Adaptation in sound localization processing induced by interaural time difference in amplitude envelope at high frequencies.

ABSTRACT:

Background

When a second sound follows a long first sound, its location appears to be perceived away from the first one (the localization/lateralization aftereffect). This aftereffect has often been considered to reflect an efficient neural coding of sound locations in the auditory system. To understand determinants of the localization aftereffect, the current study examined whether it is induced by an interaural temporal difference (ITD) in the amplitude envelope of high frequency transposed tones (over 2 kHz), which is known to function as a sound localization cue.

Methodology/principal findings

In Experiment 1, participants were required to adjust the position of a pointer to the perceived location of test stimuli before and after adaptation. Test and adapter stimuli were

SUBMITTER: Kawashima T 

PROVIDER: S-EPMC3407190 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature