Neural representation of consciously imperceptible speech sound differences
نویسندگان
چکیده
منابع مشابه
Neural representation of consciously imperceptible speech sound differences.
The concept of subliminal perception has been a subject of interest and controversy for decades. Of interest in the present investigation was whether a neurophysiologic index of stimulus change could be elicited to speech sound contrasts that were consciously indiscriminable. The stimuli were chosen on the basis of each individual subject's discrimination threshold. The speech stimuli (which va...
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Biologic processes underlying speech sound perception and learning have been addressed using the mismatch negativity (MMN) evoked response. First is a consideration of how the acoustic properties of the signal affect the neural mechanisms and brain regions engaged. Because the MMN differs depending on the acoustic characteristics of the stimuli used to elicit the response, it has been used to p...
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This commentary reviews some of the main findings in speech sound perception using the brain imaging techniques and comments briefly on the recent findings by the session contributors. The main emphasis is on the experimental settings used in these studies. The aim is to demonstrate how the search for the neural correlates for abstract linguistic units has resulted in various types of experimen...
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Intelligibility predictors tell us a great deal about human speech perception, in particular which acoustic factors strongly effect human behavior, and which do not. A particular intelligibility predictor, the Articulation Index (AI), is interesting because it models human behavior in noise, and its form has implications about representation of speech in the brain. Specifically, the Articulatio...
متن کاملNeural representation of amplified speech sounds.
OBJECTIVE To determine if (1) evoked potentials elicited by amplified speech sounds (/si/ and /[symbol: see text]/) can be recorded reliably in individuals, (2) amplification alters neural response patterns, and (3) different amplified speech sounds evoke different neural patterns. DESIGN Cortical evoked potentials were recorded in sound field from seven normal-hearing young adults in respons...
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ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 2000
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03212140