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Speech comprehension is correlated with temporal response patterns recorded from auditory cortex
 

Summary: Speech comprehension is correlated with temporal
response patterns recorded from auditory cortex
Ehud Ahissar*
, Srikantan Nagarajan
, Merav Ahissar§
, Athanassios Protopapas¶
, Henry Mahncke**,
and Michael M. Merzenich **
*Department of Neurobiology, Weizmann Institute of Science, Rehovot 76100, Israel; Department of Bioengineering, University of Utah, Salt Lake City, UT,
84112; §Department of Psychology, Hebrew University, Jerusalem 91905, Israel; ¶Department of Speech Technology, Institute for Language and Speech
Processing, 15125 Maroussi, Greece; **The Keck Center for Integrative Neurosciences, University of California, San Francisco, CA 94143-0732; and
Scientific Learning Corporation, 300 Frank H. Ogawa Plaza, Suite 500, Oakland, CA 94612-2040
Contributed by Michael M. Merzenich, July 31, 2001
Speech comprehension depends on the integrity of both the
spectral content and temporal envelope of the speech signal.
Although neural processing underlying spectral analysis has been
intensively studied, less is known about the processing of temporal
information. Most of speech information conveyed by the tempo-
ral envelope is confined to frequencies below 16 Hz, frequencies
that roughly match spontaneous and evoked modulation rates of

  

Source: Ahissar, Ehud - Department of Neurobiology, Weizmann Institute of Science

 

Collections: Biology and Medicine