Auditory DUM neurons in a bush ‐cricket: A filter bank for carrier frequency

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Local prothoracic neurons responding to sound have been studied in a bush‐cricket. The neurons belong to the Dorsal Unpaired Median‐Neurons (DUM) and come in at least 15 copies. These share main branching patterns, but differ in details of branches and projections inside and outside of the auditory neuropile. When pure tones are presented, DUM‐neurons differ in the preferred frequency in a way that the whole set of DUM‐cells provides a filter bank for carrier frequency between at least 4 and 46 kHz. This is of importance, since bush‐crickets produce and recognize songs differing in carrier frequency between species and sometimes even between sexes.

Source: The Journal of Comparative Neurology - January 30, 2018 Category: Neurology Authors: Paule Chlo é Lefebvre, Marvin Seifert, Andreas Stumpner Tags: Research Article Source Type: research