The effects of delayed auditory feedback revealed by bone conduction microphone in adult zebra finches

Scientific Reports
Makoto Fukushima, D Margoliash

Abstract

Vocal control and learning are critically dependent on auditory feedback in songbirds and humans. Continuous delayed auditory feedback (cDAF) robustly disrupts speech fluency in normal humans and has ameliorative effects in some stutterers; however, evaluations of the effects of cDAF on songbirds are rare. We exposed singing young (141-151 days old) adult zebra finch males to high-amplitude cDAF. cDAF exposure was achieved by the recording of bone-conducted sounds using a piezoelectric accelerometer, which resulted in high-quality song recordings that were relatively uncontaminated by airborne sounds. Under this condition of cDAF, birds rapidly (2-6 days) changed their song syllable timing. The one bird for which we were able to maintain the accelerometer recordings over a long period of time recovered slowly over more than a month after cDAF was discontinued. These results demonstrate that cDAF can cause substantial changes in the motor program for syllable timing generation over short intervals of time in adult zebra finches.

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Citations

Sep 1, 2015·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Makoto FukushimaDaniel Margoliash
Aug 1, 2015·Current Neurology and Neuroscience Reports·Nicole E NeefAngela D Friederici
Jan 15, 2017·Neuroscience and Biobehavioral Reviews·Jonathan F PratherJohan J Bolhuis
Oct 7, 2016·Physiology·Marc F Schmidt, Franz Goller
Aug 5, 2017·Brain Structure & Function·Jed D BurgessPeter G Enticott
Feb 23, 2020·Nature Communications·Arij Daou, Daniel Margoliash
Feb 26, 2021·Neurobiology of Learning and Memory·Arij Daou, Daniel Margoliash

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