Coincidence of auditory brainstem inputs as a possible substrate for improving sound localisation

By Sukant Khurana, Srijoni Basu, Shail Adrian Jagmag

auditory brainstem medial superior olive lateral superior olive inferior colliculus

Lateral superior olive and medial superior olive are two brainstem nuclei that compare auditory inputs from the two ears to calculate the direction of azimuthal source of sound. While the level and delay processing has been considered individually, there has been evidence of convergence of information from the two nuclei in the low frequency [domain] (http://www.ncbi.nlm.nih.gov/pubmed/23509001). We posit that the convergence of this information helps with improvement of sound localisation abilities.

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