Pulserepetitionfrequency PRF or Pulserepetition rate PRR common term in radar sonar is the number ... 18.explanations ex36.en.html title PulseRepetitionFrequency publisher Radartutorial ref . Conversely ... e.g. a cliff . Definition Pulserepetitionfrequency PRF is the number of times a pulsed activity occurs ... higher frequency radar systems. See also Radar Pulse Doppler radar Weather radar References Reflist DEFAULTSORT PulseRepetitionFrequency Category Units of frequency Category Radar Tech stub ar .... The Multiplicative inverse reciprocal of PRF or PRR is called the PulseRepetition Time PRT , PulseRepetition Interval PRI , or Inter Pulse Period IPP , which is the elapsed time from the beginning of one pulse to the beginning of the next pulse. Within radar technology PRF is important since ... within various technical disciplines e.g. Radar technology to avoid confusion with the unit of frequency hertz Hz or cycles per second &mdash mainly used for describing the continuous wave base frequency of the transmitted electromagnetic signal. That electronic frequency may be thought of as switched on and off to form the pulse train of an active sonar or radar system, and if the radar has a characteristic ... cases, a particular unit. Electromagnetic radio or sound waves are conceptually pure single frequency ... which sum and nullify in interactions creating a pulse train of the specific amplitudes, PRRs ... has a pulse period, math Tau math , which is the length of time between pulses. math Tau frac 1 PRF math PRF is usually associated with pulse spacing, which is the distance that the pulse travels before the next pulse occurs. math Pulse Spacing frac Propagation Speed PRF math Physics PRF is crucial ... system determines range through the time delay between pulse transmission and reception by the relation math text Range frac c tau 2 math For accurate range determination a pulse must be transmitted and reflected before the next pulse is transmitted. This gives rise to the maximum unambiguous ... more details
The Critical RepetitionFrequency CRF is a term used in gambling research to distinguish games of skill from games of chance . It is defined as the threshold of repetitions at which a mixed game becomes predominantly influenced by skill rather than by chance. Calculation and interpretation of the CRF The CRF is based on the idea that skill adds up while the chance elements cancel out in the long run. File Importance Skill Chance.JPG The CRF is the quantitative threshold at which the skill to chance ratio of the outcome of a game is exactly 50 . If a game is repeated more often than the CRFi, it is a game of skill, and, if it is repeated less often, it is a game of chance for the individual player i . If the statistical spread and the expected value of the player are known, it is possible to calculate the CRF by the following formula math CRF i lambda sigma 1i 2 over E 1i A x 2 . math The expression in the numerator describes the chance by using the variance of the scoring per game repetition for player i, being the confidence coefficient. The expression in the denominator is the expected value of a game x played by individual i, adjusted for any fees and represents the relative skill of this player against his opponents. Implementation The CRF is of particular interest to mixed games, e.g. poker , because the regulations of games depend on the predominance of skill or chance. For the legislator s decision, whether a game is to be classified as a game of skill or a game of chance, the CRF acts as an objective indicator which can also be converted into the playing time a player needs to reach the threshold of a skill game by multiplying the repetitions with its length. References Ingo Fiedler, Jan Philipp Rock, 2009, Quantifying Skill in Games Theory and Empirical Evidence for Poker, Gaming Law Review and Economics, February 2009 13 , p. 50 57. Jan Philipp Rock, Ingo ... Institute of Commercial Law, University of Hamburg DEFAULTSORT Critical RepetitionFrequency ... more details
Merge to Pulse density modulation date May 2011 PulseFrequency Modulation PFM is a modulation method for representing an analog signal using only two levels 1 and 0 . It is analogous to pulse width modulation PWM , to which the reader may refer for more detailed information, as the magnitude of an analog signal is encoded in the duty cycle of a square wave . If a pulse rate is set to 8000 pulses per second at 0 signal voltage then when the signal voltage reaches maximum the pulse rate will step up to 9000 but when the negative maximum voltage is reached the pulse rate will step down to 7000. A stable oscillator that is frequency modulated is used to create the pulse rate because of this PFM is not as widely used. ref http www.andreas schwope.de ASIC s Schnittstellen Data Lines body modulation.html ref Unlike PWM, in which the width of square pulses is varied at constant frequency , PFM is accomplished using fixed duration pulses and varying the repetition rate thereof. In other words, the frequency of the pulse train is varied in accordance with the instantaneous amplitude of the modulating signal at sampling intervals. The amplitude and width of the pulses is kept constant. The advantage of pulsefrequency modulation is better immunity to noise interference than PAM. The disadvantage is more complex transmitter and receiver design. ref http www.aubraux.com dsp dsp modulation pulsefrequency pfm.php ref Potential applications It has been proposed that PFM could serve as a suitable Visual prosthesis retinal prosthesis device. PFM s ability to operate independently and asynchronously promotes the flow of nutrient nutrients through the chip which is essential for living Cell biology cells . Cell stimulation would be accomplished through the output of pulse streams by PFM. A large ... 2001 0012 VIEW 033.HTM See also Pulse amplitude modulation Pulse code modulation Pulse density modulation Pulse position modulation References reflist Lenk, John D. 1999 . Circuit Troubleshooting ... more details
Wiktionary Repetition For notification about needless repetition in Wikipedia articles, see Template Repetition . Repetition may refer to Repetition rhetorical device , rhetorical device Repetition music , use of repetition in musical compositions Rote learning Repetition learning , learning by repetitionRepetition Kierkegaard Repetition , book by the Danish philosopher S ren Kierkegaard published in 1843 Repetition novel Repetition novel , a 1986 novel by the Austrian writer Peter Handke Repetition song Repetition , a song by David Bowie on his 1979 album Lodger La reprise Repetition , English translated name of Alain Robbe Grillet s 2001 novel La reprise Repetition , song by Helmet from their 1990 album Strap It On album Strap It On Repetition , song by Quasi from their 1998 album Featuring Birds Repetition Information Society song Repetition , song by synth pop band Information Society Repetition , bonus track on Live at the Witch Trials by The Fall Repetition album Repetition , 1996 album by Unwound A single cycle of lifting and lowering a weight in Strength training Terminology strength training disambiguation de Wiederholung fr R p tition he nl Herhaling sv Repetition olika betydelser ... more details
theory , the repetition code is one of the most basic error correcting code s. In order to transmit a message over a noisy channel that may corrupt the transmission in a few places, the idea of the repetition ... since the received data stream is not the repetition of a single message, and moreover, the receiver ... most often. The repetition code is generally a very naive method of encoding data across a channel ... the present error performance. Repetition codes generally offer a poor compromise between data rate .... The chief attraction of the repetition code is the ease of implementation. There are two parts to the repetition code, as for any other code the encoder and decoder, which will be described in detail. Repetition Coder The encoder is a simple device that repeats, math r math times, a particular ... have a math 3,1 math repetition code, then encoding the signal math m 1 0 1 0 0 1 math yields a code math c 111 000 111 000 000 111 math . Repetition Decoder Repetition decoding is usually done .... For example, suppose we have a math 3,1 math repetition code and we are decoding the signal math .... Repetition Codes on Fading Channel Image Repetition Code On Fading Channel Graph.jpg For fading channels repetition codes perform well with increasing repetition factor. In this figure, the coding gains for various repetition factors are seen. Repetition Codes on Gaussian Channel Image Repetition Code On AWGN Channel Graph.jpg For the AWGN channels perform worse for longer repetition factors. In this figure ... The minimum Hamming distance math d min math is math r math for an math r,1 math repetition code, and there are two .... This gives the repetition code an error correcting capacity of math tfrac r 2 math i.e. it will correct ... encoding and decoding for repetition codes, they find applications in fading channels and non AWGN environments. Repetition codes can be viewed as a method of space time diversity as well. Most ... pass filter used to average the relevant parameter amplitude, phase, or frequency over the entire ... more details
Motivic repetition in Ludwig van Beethoven Beethoven s Piano Sonata No. 6 Beethoven Sonata in F Major, op. 10 no. 2 . Jonas 1982, p.3 audio Beethoven Sonata in F Major, op. 10 no. 2.mid Play Repetition ... often stated idea is that repetition should be in balance with the initial statements and Variation ... tones lying along a spectrum from irregular to frequency periodic sounds, Moravcsik, 114 Rajagopal, page needed date May 2011 it is especially prominent in specific styles. A literal repetition of a musical ... . quote Repetition is a part and parcel of Symmetry Symmetry in music symmetry and of establishing ... repeat it through out the course of the melody or song . This sort of repetition...helps to unify .... As scores of theorists and philosophers have noted...music is based on repetition. Music works ... that tickles our memory system at the same time as it activates our emotional centers...Repetition ... music.PNG thumb 100px Repeat sign with first and second endings Theodor Adorno criticized repetition ... repetition is a feature of all music, of any sort, a high level of repetition may be a specific ... p. 139 . There is no universal norm or convention for the amount or type of repetition, all music contains repetition but in differing amounts and of an enormous variety of types. This is influenced ... Segno Segno Thus Middleton also 1999 distinguishes between discourse discursive and musematic repetition. A museme is a minimal unit of meaning, analogous to morpheme in linguistics, and musematic repetition ... form structural framework . Discursive repetition is at the level of the phrase or section music section ... and the phrase music phrase . Musematic repetition includes circularity, synchronic relations, and open ness. Discursive repetition includes linearity, rational control, and self sufficiency. Discursive repetition is most often nested hierarchically in larger repetitions and may be thought of as sectional, while musematic repetition may be thought of as Additive function additive . p. ... more details
The Pulse may refer to tocright Radio The Pulse Sirius XM , a hot AC channel on Sirius XM Radio The Pulse Sirius , The original Sirius incarnation on channel 9 until November 12, 2008 The Pulse of West Yorkshire , a UK radio station originally known as Pennine Radio 94.7 The Pulse , an Australian community radio station from Geelong, Victoria formerly known as 3YYR The Pulse program , an Australian radio program The Pulse ESPN Radio , a college basketball program airing on ESPN Radio Comics The Pulse comics , a Marvel comic book about a section of the Daily Bugle newspaper focusing on superheroes The Pulse comics news , a comic book news website at Comicon.com Novels The Pulse, the signal transmitted from cell phones that made people go crazy in Stephen King s novel Cell novel Cell Other Central Pulse , a New Zealand netball team based in Wellington that compete in the trans Tasman ANZ Championship The Pulse , a lifestyle and entertainment magazine in Worcester, MA The Pulse , a weekly local music and entertainment magazine in Minneapolis, MN The Pulse Journal , a weekly broadsheet newspaper founded in Mason, Ohio and owned by Cox Enterprises The Pulse, A Social Experiment, a voluntary experiment to do without electronics for a period of time See also Pulse disambiguation disambig ... more details
other uses Merge from Heart rate discuss Talk Pulse date March 2012 Refimprove date December 2008 File Pulse evaluation.JPG thumb Pulse evaluation at the radial artery. In medicine , one s pulse represents the tactile arterial palpation of the Cardiac cycle heartbeat by trained fingertips. The pulse ... of the elbow brachial artery , and near the ankle joint posterior tibial artery . The pulse can also ... . Physiology The pulse is a decidedly low tech high yield and antiquated term still useful at the bedside ... physiologist to describe the pulse. ref Temkin 165 BBC a ref The pulse is an expedient tactile ... to create a palpable pressure wave. The heart rate may be greater or lesser than the pulse rate depending ... sounds at the heart apex, in which case it is not the pulse. The pulse deficit difference between ... and auscultation at the heart apex. Pulse velocity, pulse deficits and much more physiologic data ... since the 1970s. The rate of the pulse is observed and measured by tactile or visual means on the outside of an artery and is recorded as beats per minute or BPM. The pulse may be further indirectly ... under oxygenated vs. deoxygenated conditions allows the technology of pulse oximetry . Normal pulse rates Normal pulse rates Heart rate At rest at rest , in beats per minute BPM ref http www.nlm.nih.gov ... of Health Pulse ref class wikitable style text align center newborn br 0 3 months old infants br ... 40 60 The pulse rate can be used to check overall heart health and fitness level. Generally lower is better ..., loss of energy and fainting. ref cite web title Pulse Rate Measurement url http www.webmd.com heart disease pulse measurement work Healthwise publisher WebMD accessdate 14 March 2011 ref Evaluation Several pulse patterns can be of clinical significance. These include Pulsus alternans an ominous ... notes a pattern of a strong pulse followed by a weak pulse over and over again. This pulse signals ... in the tactile pulse caused by an increasingly stiff aortic valve. Loss of compliance in the aortic ... more details
Multiple issues orphan April 2010 cleanup March 2011 no footnotes March 2011 http www.s pulse.eu S PULSE is the acronym of Shrink Path of Ultra Low Power Superconducting Electronics. S PULSE is a support action of the European Seventh Framework Programme FP7 that stimulates joint efforts of European academic and industrial groups in the field of superconducting technologies. The general goal is to prepare Superconductor Electronics SE technologies for the technology generation beyond the CMOS scaling limits called often beyond CMOS . S PULSE supports the Superconducting Electronics community to strengthen the vital link between research and development and industry. It also strengthens the exchange of knowledge and ideas and take charge of education. The challenge in SE is to achieve superconducting electronic circuit performance beyond the possibilities of semiconductor circuit technologies, and to make SE technologies ready to benefit to other technologies in the world markets. This support action, developed in the 2008 2010 period, is focused to prepare a Technology Roadmap and a Strategic Research Agenda SRA to enable the transition from the present scientific oriented network for SE towards an industrially guided European Technology Platform ETP . References See Wikipedia Footnotes on how to create references using ref ref tags which will then appear here automatically Reflist External links http www.s pulse.eu S PULSE http www.lahc.univ savoie.fr fluxonics FLUXONICS http www.fluxonics foundry.de FLUXONICS Foundry RSFQ DEFAULTSORT S Pulse Category Superconductivity ... more details
Pulse was a tabloid magazine published by Tower Records which contained record reviews, interviews and advertising. ref citation url http www.sfgate.com cgi bin article.cgi?f c a 2006 10 19 DDGPJLR16L32.DTL title For S.F. rockers, Tower Records was where it was all happening now the party s over author Joel Selvin authorlink Joel Selvin publisher San Francisco Chronicle date October 19, 2006 ref Initially, it was given away free in their stores to promote their record sales. ref citation url http www.statehornet.com home index.cfm?event displayArticlePrinterFriendly&uStory id 2a04805e abc4 4280 a6e5 ac16184d46d9 title Tower Records magazine full of information author Cindy Vincent date 24 April 2001 publisher The State Hornet format dead link date May 2010 ref After nine years, in 1992, the magazine began national distribution with a cover price of 2.95, ref citation url http nl.newsbank.com nl search we Archives?p product SB&p theme sb&p action search&p maxdocs 200&p topdoc 1&p text direct 0 0EB0D9B1676ACC86&p field direct 0 document id&p perpage 10&p sort YMD date D&s trackval GooglePM title Pulse gives rock lovers their money s worth publisher Sacramento Bee date January 28, 1992 ref but was cancelled when the company discontinued U.S. operations. References reflist Category American music magazines entertainment mag stub es Pulse ... more details
In advertising , repetition variation is an advertising technique in which repeated Advertisement ads contain slight variations in order to optimize their effectiveness and prevent advertising wearout . ref cite journal coauthors David W. Schumann, D. Scott Clemons year 1989 title THE REPETITION VARIATION HYPOTHESES CONCEPTUAL AND METHOLOGICAL ISSUES journal Advances in Consumer Research volume Volume 16 pages 529 534 url http www.acrwebsite.org volumes display.asp?id 6958 ref References Reflist advertising stub Category Advertising techniques ... more details
Incomplete repetition is a musical form featuring two large section music sections , the second being a partial or incomplete re presentation or Repetition music repetition of the first. ref name Nettl Bruno Nettl Nettl, Bruno 1956 . Music in Primitive Culture , page needed date February 2012 . Harvard University Press. ref This form is used throughout the traditional Plains Pueblo Native American music Traditional music cultures Native American music where the first section uses vocable s and the second uses meaningful words or lyrics . Typical formal schemes include ABC, BC, AABC, and ABC and each section uses a tile type melodic contour . ref name Nettl Source reflist music theory stub Category Musical form ... more details
A negative repetition negative rep is the repetition of a technique in weight training weight lifting in which the lifter performs the eccentric phase of a lift. Instead of pressing the weight up slowly, in proper form, a Spotting weight training spotter generally aids in the concentric, or lifting, portion of the repetition while the lifter slowly performs the eccentric phase for 3 6 seconds. Negative reps promote hypertrophy greatly because they allow the muscles to experience extreme trauma. Everyone can lift with more weight doing negative reps. Negative reps should generally not be used more than twice a week. External links http www.criticalbench.com benchpressnegatives.htm Heavy negatives are positively a good idea An overview of what negatives do, and how to perform them on the bench press. Category Weight training exercises sports stub ... more details
Repetition Priming psychology priming refers to the finding that an initial presentation of a Stimulus physiology stimulus influences the way in which an individual will respond to that stimulus when it is presented at a later time. The response to a specific item that has been encountered recently a word, for example will be faster and more accurate compared to another item that has not. Repetition priming assesses implicit memory or non declarative memory , a memory system that does not require conscious awareness . For example, the faster response to a stimulus resulting from repetition priming will occur even if the individual does not consciously recall seeing that particular stimulus. References Goldstein, E.B. 2008 . Cognitive Psychology connecting mind, research, and everyday experience 2nd ed. Wadsworth Australia. Category Experimental psychology Category Human behavior Category Social sciences Category Behavioural sciences psych stub ... more details
. Speech repetition is the speech saying by one individual of the spoken Speech production ... repeat overheard words. This links to speech repetition of words being separate in the human brain brain to speech perception . Speech repetition occurs in the dorsal speech processing stream while ... of novel words and names and Second language acquisition additional languages . Such repetition ... . ref name Porter Vocal repetition can be done immediately as in speech shadowing and echolalia ... repetition was noted by Carl Wernicke , the late nineteenth century neurologist , who observed ... aspects such as fundamental frequency , ref name Kappes Kappes J, Baumgaertner A, Peschke C, Ziegler W. 2009 . Unintended imitation in nonword repetition. Brain Lang. 111 3 140 51. doi 10.1016 j.bandl.2009.08.008 ... SE. 2006 . http www.york.ac.uk res wml Gathercole06 20Applied 20PsyLinguistics.pdf Non word repetition ... K. 2008 . Non word repetition assesses phonological memory and is related to vocabulary development ... 20PsyLinguistics.pdf Nonword repetition and word learning The nature of the relationship Applied Psycholinguistics ... cortex in speech perception. Nat Rev Neurosci. 10295 302. PMID 19277052 p. 201 ref Repetition ... Gathercole SE. 1995 . Is nonword repetition a test of phonological memory or long term knowledge ... in vocal imitation. ref Bishop DV. North T. Donlan C. 1996 . Nonword repetition as a behavioral ... and Psychiatry 37, 391 403. PMID 8735439 ref Speech repetition and phones Electrical brain stimulation ... of modulations and rates and shape of frequency shifts. ref Porter RJ. 1987 . What is the relation ... used for vocal repetition. ref Wise RJ, Scott SK, Blank SC, Mummery CJ, Murphy K, Warburton EA ... in advance that a word is unfamiliar and in need of repetition which is only learnt after the opportunity .... ref name skoyles This makes the evolution of the capacity of speech repetition a critical ... by other birds. In several examples, birds show highly developed repetition abilities the Sri Lankan ... more details
Infobox musical artist See Wikipedia WikiProject Musicians background group or band name Repetition band Repetition image Repetition band.jpg caption origin United Kingdom genre New Wave music new wave years active 1979 1982 label Les Disques Du Crepuscule website http www.myspace.com repetitionband Myspace.com current members Sarah Osbourne vocals 1979 80,1982 br Tim Transe drums br Pete Petrol guitar br Nicholas bass guitar br Andy Hooper keyboards br Steve Musham vocals,1981 Repetition , were a post punk also dubbed as Belgian post punk ref http www.last.fm music Repetition wiki Last.fm Repetition ref band from London, which formed in August 1979. The band s initial line up was ex Spizzenergi SpizzOil guitarist Pete Petrol , Ex Xtraverts ref http www.boredteenagers.co.uk xtravertsglenspicer.htm High Wycome band Xtraverts ref drummer Tim Transe , keyboard player A.S.D.H. Andy Hooper , bassist AWOL Nicholas , and vocalist Sarah Osbourne. ref http www.discogs.com artist Repetition Discogs Repetition ref Career The band were signed to Factory Records offshoot Les Disques du Cr puscule after gaining the interest of Annik Honore in 1979. Their first single A Still Reflex b side Fade Out was released in January 1981 ref http www.discogs.com Repetition A Still Reflex release 386681 Discogs A Still Reflex ref was recorded at Spaceward Studios in Saffron Waldon and notably produced by Joy Division manager, Rob Gretton . ref http brainwashed.com index.php?option com content&view article&id 5881 3Afrom brussels with love&catid 72 3Abuzz bin&Itemid 1 Brainwashed From Brussels With Love ref Owing to the connection with Brussels based Les Disques du Crepuscule the band toured in Belgium ... Repetition ref The session of 4 tracks was recorded with a line up of vocalist guitarist Steve ... the 13th Repetition, Marine, Eric Random, Richard Jobson & The Swamp Children performed during ... on Red Flame Records. ref http www.discogs.com Repetition A Will To Win release 1358737 ... more details
Infobox album See Wikipedia WikiProject Albums Name Archetypes and Repetition Type Album Artist Deepfield band Deepfield Cover Archetypes and Repetition.jpg Released Jul 24, 2007 Recorded Genre Post grunge , Alternative rock Length 39 13 Label In De Goot Recordings Producer Paul Ebersold Last album This album Archetypes and Repetition br 2007 Next album Nothing Can Save Us Now br 2011 Archetypes and Repetition is the debut album from American Rock music rock band Deepfield band Deepfield . The album was released in 2007 by In De Goot Recordings. ref name RockEyez cite web title Deepfield Archetypes And Repetition CD Review url http www.rockeyez.com reviews cd deepfield rev deepfield archetypesandrepetition.html publisher Rock Eyez Webzine accessdate 15 August 2010 ref Singles Into The Flood Don t Let Go Get It Reception Album ratings rev1 Allmusic rev1score Rating 2 5 ref Viglione, Joe 2007 . http www.allmusic.com album archetypes and repetition r1088128 review Archetypes and Repetition , Allmusic . Retrieved 13 December 2011. ref Track listing Track listing title1 Innocence length1 00 35 title2 44 Teeth length2 03 17 title3 Get It length3 02 51 title4 Wayside length4 03 38 title5 Fall Apart length5 04 05 title6 The Bleeding length6 03 31 title7 Into The Flood length7 03 24 title8 Your Forever length8 03 42 title9 The Silence length9 03 42 title10 Dead Horse The Love Between Us length10 03 05 title11 Dreams length11 04 00 title12 Don t Let Go length12 03 03 total length 38.53 Personnel Baxter Teal lead vocals, rhythm guitar Aron Robinson drums, percussion Sean von Tersch lead guitar PJ Farley bass guitar, backing vocals References Reflist Category 2007 debut albums Category Deepfield albums ... more details
frequency top to highest frequency bottom . f is the frequency in hertz Hz , meaning the number of cycles ... are reciprocal mathematics reciprocals . Frequency is the number of occurrences of a repeating event per unit time . It is also referred to as temporal frequency . The period is the duration of one turn geometry cycle in a repeating event, so the period is the reciprocal mathematics reciprocal of the frequency. For example, if a newborn baby s heart beats at a frequency of 120 times a minute, its ... processes, such as rotation , oscillation s, or wave s, frequency is defined as a number of cycles per unit time. In physics and engineering disciplines, such as optics , acoustics , and radio , frequency ... SI units, the unit of frequency is the hertz Hz , named after the German physicist Heinrich Hertz ... by one cycle, and is the reciprocal mathematics reciprocal of the frequency f math T frac 1 f math ... than those above. The horizontal axis represents time. By counting Calculating the frequency of a repeating ... within 15 seconds the frequency is math f frac 71 15 , mbox sec approx 4.7 , mbox hertz , math If the number ... an average error in the calculated frequency of f 1 2 T sub m sub , or a fractional ... interval and f is the measured frequency. This error decreases with frequency, so it is a problem ... the frequency of rotating or vibrating objects is to use a stroboscope . This is an intense repetitively flashing light strobe light whose frequency can be adjusted with a calibrated timing circuit. The strobe light is pointed at the rotating object and the frequency adjusted up and down. When the frequency of the strobe equals the frequency of the rotating or vibrating object, the object completes ... when illuminated by the strobe the object appears stationary. Then the frequency can be read from the calibrated ... multiple of the strobing frequency will also appear stationary. By frequency counter Higher frequencies are usually measured with a frequency counter . This is an electronic instrumentation electronic ... more details
Repetition Blindness RB is a phenomenon observed in Rapid Serial Visual Presentation . Subjects are less likely to detect the repetition of a target stimulus physiology stimulus than they are to detect a second, different target. For example, a subject s chances of correctly reporting both appearances of the word cat in the RSVP stream dog mouse cat elephant cat snake are lower than their chances of reporting the third and fifth words in the stream dog mouse cat elephant pig snake . The precise mechanism underlying RB has been extensively debated. Nancy Kanwisher has argued that it involves failure to tokenize the second appearance of a repeated stimulus, leading to the second appearance being dropped from short term memory before it can be reported. However, Whittlesea and colleagues have argued that repetition blindness arises from a failure to properly reconstruct the list, both online and post list. This failure to properly reconstruct the list arises from the poor encoding cues that are the result of the RSVP task. See also Attentional blink Semantic satiation References Kanwisher, N.G. 1987 . Repetition blindness Type recognition without token individuation. Cognition, 27, 117 143. Whittlesea, W.A., Dorken, M.D., Podrouzek, K.W. 1995 . Repeated events in rapid lists Part 1. Encoding and representation. Journal of Experimental Psychology Learning, Memory and Cognition, 21,6, 1670 1688. Whittlesea, W.A., Podrouzek, K.W. 1995 . Repeated events in rapid lists Part 2. Remembering repetitions. Journal of Experimental Psychology Learning, Memory and Cognition, 21,6, 1689 1697. Category Cognition ... more details
Repetition compulsion is a psychological phenomenon in which a person repeats a traumatic event or its ... be used to cover the repetition of behaviour or life patterns more broadly a key component in Freud s understanding of mental life, repetition compulsion ...describes the pattern whereby people endlessly ... and the repetition compulsion Sigmund Freud s use of the concept was articulated...for the first time ... Profession london 1988 p. 28 ref He explored the repetition compulsion further in his 1920 ... to repeat this action. ref Cite web last first title Literary Encyclopedia Repetition Compulsion ... mother to go away without protesting , but asked in puzzlement How then does his repetition of this distressing ... expression in a repetition of the same experience . ref Freud, Beyond p. 293 ref All such activities ... purely psychological explanations for the phenomena of the repetition compulsion which he had observed ... part . ref Freud Beyond p. 285 ref At the same time, the repetition of unpleasant experiences ... ref Later psychoanalytic developments It was in the latter, psychological form that the concept of the repetition ... compendium The Psychoanalytic Theory of Neurosis stressed two main kinds of neurotic repetition ... the anxiety that first brought about the repression is mobilized again and creates, together with the repetition of the impulse, a repetition of the anti instinctual measures . ref Fenichel, Neurosis .......even the repetition of the most painful failure of the Oedipus complex in the transference during ... writers would take very similar views. Eric Berne saw as central to his work the repetition compulsion ... conception reveals a purpose... in the repetition compulsion ref R. Appignanesi ed., Introducing Melanie Klein Cambridge 2006 p. 176 and p. 149 ref thus unconscious hope may be found in repetition ... view of repetition compulsion had come into increasing dialogue with a variety of other ... therapy as linked to the way in a repetition compulsion, the client will behave in ways that engender ... more details
Unreferenced date December 2011 Repetition pitch is an unexpected sensation of tonality or Pitch music pitch that often occurs in nature when a sound is reflected against a sound reflecting surface for example a brick wall , and both the original and the reflected sound arrive at the ear of an observer, but with a short time differential between the two arrivals. Echo When the delay of the repeated sound is too large, the observer perceives an Echo phenomenon echo when the delay of the repeated sound is generally smaller than 30 ms, he perceives the original sound only, but with a tonality coloration, pitch superimposed. Therefore, this perceptual phenomenon has been named Repetition Pitch RP . The perceived RP expressed in Hz equivalent is equal to the reciprocal value of the delay time T between the original and the repeated sound, or in formula RP 1 T with T expressed in seconds . RP is most salient when the original sound is wide band and does not produce pitch itself like white noise, which contains all audible frequencies in equal strength . Varied sources Probably the first written report of the phenomenon dates from 1693 when Christiaan Huygens noted such a pitch in the wide band sound from a fountain repeatedly reflected against the steps of a large stone staircase in the garden of the castle of Chantilly in France. In an open field, one might be able to hear a gliding RP when a plane flies over. In music, the phenomenon is sometimes deliberately created by electronic means delay and add to superimpose a pitch or coloration effect on the original music see Flanging . In room acoustics and sound recording, however, the phenomenon often causes an unwanted coloration of the original sound. Uses Blind people might use RP to locate obstacles by clicking the street surface with their cane, thus producing a wide band impulsive sound that is reflected against the obstacle ... December 2011 External links http xs4all.nl fabilsen Repetition Pitch Repetition pitch , from Frans ... more details
Image Ankireview.png thumb Anki , a computer program implementing spaced repetition. Spaced repetition ... include spaced rehearsal , expanding rehearsal , graduated intervals , repetition spacing , repetition ... D. Baddeley, 1997 ref Although the principle is useful in many contexts, spaced repetition is commonly ... linguistics open class words. Research and applications The notion that spaced repetition could be used ... of spaced repetition on sixth grade students in Iowa learning science facts. ref Spitzer, H. F ... 3600 students in Iowa and showed that spaced repetition was effective. This early work went unnoticed ... manipulation of repetition timing as a means to improve recall. Around the same time, Pimsleur ... repetition theory to language learning, and in 1973 Sebastian Leitner devised his Leitner system , an all purpose spaced repetition learning system based on flashcard s. At the time, spaced repetition ... computers in the 1980s, spaced repetition began to be implemented with computer assisted language learning software based solutions. The aim of these programs was to tailor the spaced repetition to learner ... e.g. 90 of all material correctly recalled at any given time point , the software adjusts the repetition .... There are several families of algorithms for scheduling spaced repetition Neural network s based ... interval recall Graduated interval recall is a type of spaced repetition published by Paul Pimsleur ... to other forms of spaced repetition which may not require such precise timings. The intervals published ... was. The program schedules pairs based on spaced repetition algorithms. Without a program, the user ... web platform instead of an installable program. Opportunities to combine spaced repetition ... the Results of Psychological Research . American Psychologist, 43 8 , 627 634. Greene R. L. 2008 . Repetition ... 18590367 doi 10.1037 1076 898X.14.2.101 References Reflist Spaced repetition DEFAULTSORT Spaced Repetition Category Memory Category Learning methods Category Language education Category Learning psychology ... more details
Unreferenced date December 2009 Infobox song Name Repetition Artist David Bowie Album Lodger album Lodger Released May 18, 1979 track no 9 Recorded 1978 1979 Genre Art rock Length 2 59 Label RCA Records RCA Writer David Bowie Producer David Bowie and Tony Visconti prev Boys Keep Swinging prev no 8 next Red Money next no 10 Repetition is a song written by David Bowie in 1979 in music 1979 for the album Lodger album Lodger . In the song Bowie explores domestic violence from the abuser s point of view, sung in a deliberately unemotional tone that served to highlight the lyric and the unnatural slur of the bass guitar. Musicians on this song David Bowie Singing Vocals Dennis Davis Drum s George Murray musician George Murray Bass guitar Bass Carlos Alomar Guitar Simon House Violin Adrian Belew Guitar Roger Powell Synthesizer Other releases It was released as the B side of the single DJ song DJ in June 1979. The single release of Yassassin in June 1979 had this song as the B side. It also appeared as the B side of the single Look Back in Anger song Look Back in Anger in August 1979. It was released as a picture disc in the RCA Life Time picture disc set. Cover versions Au Pairs Playing with a Different Sex 1981 . This had earlier been performed for a John Peel Session broadcast 12 6 1980 and subsequently released on Equal but Different 1994 . The Emperor Machine Life Beyond Mars Bowie Covered 2008 Tearist We Were So Turned On A Tribute to David Bowie David Bowie singles DEFAULTSORT Repetition Category David Bowie songs Category 1979 songs Category Songs written by David Bowie Category Songs produced by David Bowie Category Songs produced by Tony Visconti 1970s song stub ... more details
Infobox Album Name Repetition Type Album Artist Unwound Cover Unwound Repetition.jpg Released April 1996 Recorded January 1996 Genre Post Hardcore Length 44 56 Label Kill Rock Stars Producer Steve Fisk and John Goodmanson Last album Unwound album Unwound br 1995 This album Repetition br 1996 Next album Challenge For A Civilized Society br 1998 Album ratings rev1 Allmusic rev1score Rating 4.5 5 ref Allmusic class album id r254437 ref noprose yes Repetition was the fifth album by Unwound and the fourth released on Kill Rock Stars . It was recorded in January 1996 at John and Stu s in Seattle, Washington . Track listing Message Received 3 05 Corpse Pose 3 05 Unauthorized Autobiography 2 47 Lowest Common Denominator 4 31 Sensible 3 00 Lady Elect 5 37 Fingernails on a Chalkboard 4 56 Murder Movies 1 48 Next Exit 4 30 Devoid 3 13 Go to Dallas and Take a Left 4 13 For Your Entertainment 5 39 Credits Justin Trosper Guitar, vocals Sara Lund Drums Vernon Rumsey Bass Steve Fisk Producer, additional keyboards John Goodmanson Engineer, co producer Jason Funk Photography References Reflist Unwound Category Unwound albums Category 1996 albums Category Albums produced by Steve Fisk Category Albums produced by John Goodmanson Category Kill Rock Stars albums ... more details
Infobox book name Repetition image image caption author Peter Handke translator Ralph Manheim original title Die Wiederholung country Germany language German publisher Suhrkamp Verlag pub date 1986 english pub date 1988 pages 333 isbn 3518025805 Repetition lang de Die Wiederholung is a 1986 novel by the Austrian writer Peter Handke . It tells the story of an Austrian of mixed German and Slovenian heritage, who goes to communist Yugoslavia in a search for identity. Reception David Pryce Jones of The New York Times wrote The intention is to shatter Austrian complacency, utterly to reject the national conspiracy of silence and evasion, so that the Austrian at last can be his own man. Admirable as this would be, Mr. Handke is not the writer for it. To some extent, the alienation of this novel is attributable to the deliberate distancing of its style. Pryce Jones continued More crucially, Repetition reveals one man set so implacably against his fellows that he can do nothing but pity himself and hate them. Surrender to these reactions serves to extend the Nazi legacy rather than to destroy it. New beginnings without humanity are not new beginnings at all. ref Cite web last Pryce Jones first David authorlink David Pryce Jones date 1988 08 07 url http www.nytimes.com 1988 08 07 books austria without austrians.html?src pm title Austria without Austrians work The New York Times accessdate 2012 03 17 ref See also 1986 in literature Austrian literature References reflist Category 1986 novels Category Austrian novels Category German language novels Category Literary works by Peter Handke 1980s novel stub ... more details
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