Abstract：
:Magnetoencephalography (MEG) was used to investigate the response to speech sounds that differ in onset dynamics, parameterized as words that have initial stop consonants (e.g., /b/, /t/) or do not (e.g., /m/, /f/). Latency and amplitude of the M100 auditory evoked neuromagnetic field, recorded over right and left auditory cortices, varied as a function of onset: stops had shorter latencies and higher amplitudes than no-stops in both hemispheres, consistent with the hypothesis that M100 is a sensitive indicator of spectral properties of acoustic stimuli. Further, activation patterns in response to stops/no-stops differed in the two hemispheres, possibly reflecting differential perceptual processing for the acoustic-phonetic cues at the onset of spoken words.
journal_name
Brain Resjournal_title
Brain researchauthors
Gage N,Poeppel D,Roberts TP,Hickok Gdoi
10.1016/s0006-8993(98)01058-0subject
Has Abstractpub_date
1998-12-14 00:00:00pages
236-9issue
1-2eissn
0006-8993issn
1872-6240pii
S0006-8993(98)01058-0journal_volume
814pub_type
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