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The human auditory evoked responseFigures are presented of computer-averaged auditory evoked responses (AERs) that point to the existence of a completely endogenous brain event. A series of regular clicks or tones was administered to the ear, and 'odd-balls' of different intensity or frequency respectively were included. Subjects were asked either to ignore the sounds (to read or do something else) or to attend to the stimuli. When they listened and counted the odd-balls, a P3 wave occurred at 300msec after stimulus. When the odd-balls consisted of omitted clicks or tone bursts, a similar response was observed. This could not have come from auditory nerve, but only from cortex. It is evidence of recognition, a conscious process.
Document ID
19750041885
Acquisition Source
Legacy CDMS
Document Type
Other - Collected Works
Authors
Galambos, R.
(California, University La Jolla, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1974
Subject Category
Aerospace Medicine
Accession Number
75A25957
Funding Number(s)
CONTRACT_GRANT: NGR-05-009-198
Distribution Limits
Public
Copyright
Other

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