A comparison of auditory evoked potentials to acoustic beats and to binaural beats

Hearing Research
Hillel PrattNomi Mittelman

Abstract

The purpose of this study was to compare cortical brain responses evoked by amplitude modulated acoustic beats of 3 and 6 Hz in tones of 250 and 1000 Hz with those evoked by their binaural beats counterparts in unmodulated tones to indicate whether the cortical processes involved differ. Event-related potentials (ERPs) were recorded to 3- and 6-Hz acoustic and binaural beats in 2000 ms duration 250 and 1000 Hz tones presented with approximately 1 s intervals. Latency, amplitude and source current density estimates of ERP components to beats-evoked oscillations were determined and compared across beat types, beat frequencies and base (carrier) frequencies. All stimuli evoked tone-onset components followed by oscillations corresponding to the beat frequency, and a subsequent tone-offset complex. Beats-evoked oscillations were higher in amplitude in response to acoustic than to binaural beats, to 250 than to 1000 Hz base frequency and to 3 Hz than to 6 Hz beat frequency. Sources of the beats-evoked oscillations across all stimulus conditions located mostly to left temporal lobe areas. Differences between estimated sources of potentials to acoustic and binaural beats were not significant. The perceptions of binaural beats involve c...Continue Reading

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Citations

Dec 3, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Xiang GaoPeng Zhou
Nov 7, 2015·Hearing Research·Marco SolcàAdrian G Guggisberg
Jun 20, 2015·Frontiers in Psychiatry·Susan A ReedijkBernhard Hommel
Jun 2, 2015·Frontiers in Psychiatry·Leila ChaiebJuergen Fell
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Dec 1, 2017·Frontiers in Human Neuroscience·Fran López-Caballero, Carles Escera
Jul 11, 2014·Journal of Neurophysiology·Bernhard RossTakako Fujioka
Jul 14, 2017·Frontiers in Neuroscience·Nantawachara Jirakittayakorn, Yodchanan Wongsawat
Oct 16, 2018·Frontiers in Human Neuroscience·Nantawachara Jirakittayakorn, Yodchanan Wongsawat
Dec 19, 2019·Frontiers in Human Neuroscience·Minji LeeSeong-Whan Lee
May 31, 2017·Frontiers in Human Neuroscience·Leila ChaiebJuergen Fell
Apr 26, 2020·Scientific Reports·Bernhard Ross, Marc Danzell Lopez
Jan 12, 2021·PloS One·Michèle MoessingerMarkus Mühlensiep

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