Accession Number : AD0766433

Title :   A Challenge to the Concept That the Auditory System Functions as a Frequency Analyzer,

Corporate Author : AEROSPACE MEDICAL RESEARCH LAB WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Mundie,J. Ryland ; Goldstein,Allan J.

Report Date : 23 APR 1971

Pagination or Media Count : 17

Abstract : A hypothesis is presented of auditory function as a time domain analysis. The mechanical-hydrodynamic transform of the cochlea generates a spatial distribution of displacement amplitudes as a function of time. The signal is distributed spatially so that many primary cells see essentially the same portion of the signal. The low Q and poor spatial resolution of the cochlea are an advantage because they assure a large number of cells are exposed to essentially the same input. The mural transform encodes these displacement amplitudes in the form of pulse density modulation, which preserves the signal as a time function.

Descriptors :   (*AUDITORY SIGNALS, FREQUENCY ANALYZERS), AUDITORY PERCEPTION, PULSE FREQUENCY MODULATION, AUDIO FREQUENCY, EAR, HEARING, PHYSIOLOGY, PSYCHOPHYSIOLOGY

Subject Categories : Anatomy and Physiology

Distribution Statement : APPROVED FOR PUBLIC RELEASE