“perceptual-magnet” that exerts its attraction force on neighboring auditory representations [7]. Stimuli producing auditory representations in that neighborhood are attracted to the prototype. In contrast, non-prototypical sounds are not supposed to exhibit the magnetic effect. In other words, discrimination, as a function of the

effect is present in 6-month-old infants, the magnet effect is sensitive to early linguistic experience, monkeys tested with the same technique fail to provide evidence of a perceptual magnet

In recent years there has been a great deal of interest in demonstrations of the so-called 'Perceptual-Magnet Effect' (PME). In these studies, AX-discrimination tasks purportedly reveal that discriminability of speech sounds from a single category varies with judged phonetic 'goodness' of the sounds. claimed shrinking of perceptual space around prototypes has been termed the perceptual magnet effect (see Kuhl, 1991). This effect, if reliable, has important implications for how we categorize speech information. The perceptual magnet effect suggests that category centers are the basis for speech representation.

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The effect is characterized by a warping of percep­ tual space near phonemic category centers. Previous explanations have … The results show that individual listeners behaved differently in categorization and goodness rating but in the same way in attentive (AX) discrimination, being the poorest at about the same F2 location. The perceptual magnet effect was indicated in the good categorizers both by behavioral and psychophysiological (MMN) discrimination data. Perceptual magnet effect in the light of behavioral and psychophysiological data Olli Aaltonen Centre for Cognitive Neuroscience and Department of Phonetics, University of Turku, FIN-20014 Turku, Finland Osmo Eerola Centre for Cognitive Neuroscience, University of Turku, FIN-20014 Turku, Finland A˚ke Hellstro¨m Department of Psychology, Stockholm University, S-106 91 Stockholm, Sweden and Previous research has demonstrated an apparent warping of the perceptual space whereby the best exemplars or ‘prototypes’ of speech sound categories minimize the perceptual distance between themselves and neighboring stimuli in the same category. This phenomenon has been termed the ‘perceptual magnet effect’ (PME). In recent years there has been a great deal of interest in demonstrations of the so-called 'Perceptual-Magnet Effect' (PME). In these studies, AX-discrimination tasks purportedly reveal that discriminability of speech sounds from a single category varies with judged phonetic 'goodness' of the sounds.

claimed shrinking of perceptual space around prototypes has been termed the perceptual magnet effect (see Kuhl, 1991). This effect, if reliable, has important implications for how we categorize speech information. The perceptual magnet effect suggests that category centers are the basis for speech representation. This claim is contrary to previous

(1995) by P K Kuhl, P Iverson Venue: Speech perception and linguistic experience. Timonium, Add To The notion of aperceptual magnet was introduced. The prototype of the category functioned like a perceptual magnet for other category members; it assimilated neighboring stimuli, effectively pulling them toward the prototype. In Experiment 3, the ontogenetic origins of the perceptual magnet effect were explored by testing 6-month-old infants.

perceptual magnets o L1-Finnish listeners show the perceptual magnet effect for the Finnish /t/ and /tt/ categories (Heeren & Schouten, 2008) o But speakers of languages that lack (exclusively) length-based contrasts do not show any perceptual magnets along the length dimension: " no magnet for vowel tokens along the length

(1995) by P K Kuhl, P Iverson Venue: Speech perception and linguistic experience. Timonium, Add To The notion of aperceptual magnet was introduced. The prototype of the category functioned like a perceptual magnet for other category members; it assimilated neighboring stimuli, effectively pulling them toward the prototype. In Experiment 3, the ontogenetic origins of the perceptual magnet effect were explored by testing 6-month-old infants. The "perceptual magnet" effect: A model based on self-organizing feature maps J. Michael Herrmann The \Perceptual Magnet" E ect: A Model Based on Self{Organizing Feature Maps M. Herrmann NORDITA DK{2200 Copenhagen, Denmark H.{U. Bauer Institut f ur theor.

The perceptual magnet effect in Australian English vowels The perceptual magnet effect in Australian English vowels. Perceptual magnet and phoneme boundary effects in speech perception: Do they arise from a common mechanism?
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Michael C. Stern will present work from the SLA Lab at the 27th Manchester Phonology Meeting on perceptual magnet effects in monolingual and bilingual perception. Session Title: Recent auditory research has raised fundamental questions about the perceptual magnet effect (PME), where discrimination performance is poorer for stimuli that approach best exemplars of a phonetic category. It has been suggested that the effect reflects inter-categorical comparisons, and might not generalize to nonspeech. Three experiments addressed these concerns. 1995-01-01 The goals of this study were (i) to assess the replicability of the 'perceptual magnet effect' [Iverson and Kuhl, J. Acoust.

“perceptual-magnet” that exerts its attraction force on neighboring auditory representations [7]. Stimuli producing auditory representations in that neighborhood are attracted to the prototype. In contrast, non-prototypical sounds are not supposed to exhibit the magnetic effect.
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The perceptual magnet effect is one of the earliest known language-specific phenomena arising in infant speech development. The effect is characterized by a warping of perceptual space near phonemic category centers. Previous explanations have been formulated within the theoretical framework of cognitive psychology.

Guenther FH. perceptual magnet effect for speech prototypes 95 assertsthatthesethreevowels areacousticallymorestabilethan othervowels.Second,previousdatafromourlabhadshown that application to the perceptual magnet effect Romain Brasselet and Angelo Arleo CNRS-UPMC Univ. Paris 6, UMR 7102 F75005, Paris, France romain.brasselet@upmc.fr ABSTRACT In this paper, we propose an extension of the recently introduced metrical information [1]. We give a local version of it, where the similarity between two events PERCEPTUAL MAGNET EFFECT FOR SPEECH PROTOTYPES 95 asserts that these three vowels are acoustically more stabile than other vowels. Second, previous data from our lab had shown that infants correctly categorize perceptually diverse instances of hi! vowels, ones spoken by men, women, and children (Kuhl, 1979; KuhI, 1985a, for review). The perceptual magnet effect is one of the earliest known language-specific phenomena arising in infant speech development.

“perceptual-magnet” that exerts its attraction force on neighboring auditory representations [7]. Stimuli producing auditory representations in that neighborhood are attracted to the prototype. In contrast, non-prototypical sounds are not supposed to exhibit the magnetic effect. In other words, discrimination, as a …

The effect is characterized by a warping of perceptual space near phonemic category centers. Previous explanations have been formulated within the theoretical framework of cogn … The perceptual magnet effect describes an increased generalization capability for the perception of vowels, if the perceived vowels are prototypical. We here propose an unsupervised, adaptive neural network model which allows to control the relation between stimulus density and generalization capability, and which can account for the perceptual “perceptual-magnet” that exerts its attraction force on neighboring auditory representations [7]. Stimuli producing auditory representations in that neighborhood are attracted to the prototype.

Similar categorical ef-fects have been described in other domains, including color perception (Davidoff, Davies, & Roberson, 1999) and ar- The "perceptual magnet" effect: A model based on self-organizing feature maps J. Michael Herrmann The \Perceptual Magnet" E ect: A Model Based on Self{Organizing Feature Maps M. Herrmann NORDITA DK{2200 Copenhagen, Denmark H.{U. Bauer Institut f ur theor. “perceptual-magnet” that exerts its attraction force on neighboring auditory representations [7]. Stimuli producing auditory representations in that neighborhood are attracted to the prototype. In contrast, non-prototypical sounds are not supposed to exhibit the magnetic effect. In other words, discrimination, as a function of the PERCEPTUAL MAGNET EFFECT 875 arise because of experience-related distortions in auditory processing (Guenther & Gjaja, 1996) or because of cate-gorization processes based on multiple stored exemplars (Lacerda, 1995). The term perceptual magnet effect refers to the perceptual phenomenon of sensitivity minima near Linguistic experience and the ‘perceptual magnet effect’.