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Optogenetic Stimulation of the Auditory Nerve

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The Effect of a Regular Auditory Context on Perceived Interval Duration.

Silvia Zeni¹, Nicholas P Holmes¹

¹School of Psychology, University of Nottingham, Nottingham, United Kingdom.

Frontiers in Psychology

|September 27, 2018

Summary

Auditory context significantly impacts time interval perception. Regular auditory contexts enhance the precision of duration discrimination compared to non-regular ones, influencing how we perceive time.

Keywords:

attention audition duration perception rhythm temporal regularity time perception

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Area of Science:

Auditory perception
Psychophysics
Cognitive neuroscience

Background:

Perceived time duration is affected by auditory context, even ignored background sounds.
Previous studies suggest regular auditory contexts improve interval discrimination due to attention and anticipation.

Purpose of the Study:

To re-examine the effect of auditory context regularity on time interval discrimination.
To investigate the relationship between context intervals and the interval being estimated.

Main Methods:

A two-interval forced choice task was used.
Participants discriminated between the durations of two time intervals.
Auditory contexts (regular vs. non-regular) preceded the intervals.

Main Results:

Duration perception was more precise with a regular auditory context than a non-regular one.
The enhancing effect of the regular context was not specific to the duration of the first interval.

Conclusions:

Regular auditory contexts improve the precision of time interval discrimination.
The findings challenge previous explanations suggesting context effects are selective for specific interval durations.