Reports

Response of cat inferior colliculus neurons to binaural beat stimuli: possible mechanisms for sound localization

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Science  02 Nov 1979:
Vol. 206, Issue 4418, pp. 586-588
DOI: 10.1126/science.493964

Abstract

The interaural phase sensitivity of neurons was studied through the use of binaural beat stimuli. The response of most cells was phase-locked to the beat frequency, which provides a possible neural correlate to the human sensation of binaural beats. In addition, this stimulus allowed the direction and rate of interaural phase change to be varied. Some neurons in our sample responded selectively to manipulations of these two variables, which suggests a sensitivity to direction or speed of movement.

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