Presentation 1995/7/22
A NEURAL MODEL FOR AUDITORY INFORMATION PROCESSING IN THE TIME DOMAIN DERIVED FROM EXPERIMENTAL RESULTS
Jufang He, Tsutomu Hashikawa, Yohsuke Kinouchi,
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Abstract(in English) We found a group of neurons in the dorsal region of the auditory cortex of cats which have long minimum-latency responses between 50 and 200 ms to auditory stimuli. According to their neuronal responses to noise bursts of varied duration and chick sounds, they were divided into two subgroups : 1,phase tuning neurons, 2,temporal integration processing neurons including temporal summation, temporal suppression and complicated integration neurons. Verifying by a computer simulation, we suggest that 1,a time axis exists in the auditory system, and 2,sound information is divided into serial short phases in the time domain ; such phasic signals are transmitted in parallel with varied time delays and integrated in the auditory cortex with varying synaptic weights.
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Keyword(in English) Auditory cortex / Temporal information processing / Time axis representation / Neural model / phase tuning / parallel transmission
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Committee MBE
Conference Date 1995/7/22(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
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Title (in English) A NEURAL MODEL FOR AUDITORY INFORMATION PROCESSING IN THE TIME DOMAIN DERIVED FROM EXPERIMENTAL RESULTS
Sub Title (in English)
Keyword(1) Auditory cortex
Keyword(2) Temporal information processing
Keyword(3) Time axis representation
Keyword(4) Neural model
Keyword(5) phase tuning
Keyword(6) parallel transmission
1st Author's Name Jufang He
1st Author's Affiliation Department of Electrical and Electronic Engineering, The University of Tokushima:Laboratory for Neural Systems, Frontier Research Program, RIKEN()
2nd Author's Name Tsutomu Hashikawa
2nd Author's Affiliation Laboratory for Neural Systems, Frontier Research Program, RIKEN
3rd Author's Name Yohsuke Kinouchi
3rd Author's Affiliation Department of Electrical and Electronic Engineering, The University of Tokushima
Date 1995/7/22
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Volume (vol) vol.95
Number (no) 177
Page pp.pp.-
#Pages 8
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