Dynamic representation of spectral edges in guinea pig primary auditory cortex

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Dynamic representation of spectral edges in guinea pig primary auditory cortex.

The central representation of a given acoustic motif is thought to be strongly context dependent, i.e., to rely on the spectrotemporal past and present of the acoustic mixture in which it is embedded. The present study investigated the cortical representation of spectral edges (i.e., where stimulus energy changes abruptly over frequency) and its dependence on stimulus duration and depth of the ...

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The role of early auditory processing may be to extract some elementary features from an acoustic mixture in order to organize the auditory scene. To accomplish this task, the central auditory system may rely on the fact that sensory objects are often composed of spectral edges, i.e., regions where the stimulus energy changes abruptly over frequency. The processing of acoustic stimuli may benef...

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ژورنال

عنوان ژورنال: Journal of Neurophysiology

سال: 2015

ISSN: 0022-3077,1522-1598

DOI: 10.1152/jn.00785.2014