Journal
NEURON
Volume 48, Issue 1, Pages 139-148Publisher
CELL PRESS
DOI: 10.1016/j.neuron.2005.08.039
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Funding
- NIDCD NIH HHS [R01 DC003489, R01 DC05216] Funding Source: Medline
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Acoustic sequences such as speech and music are generally perceived as coherent auditory streams, which can be individually attended to and followed over time. Although the psychophysical stimulus parameters governing this auditory streaming are well established, the brain mechanisms underlying the formation of auditory streams remain largely unknown. In particular, an essential feature of the phenomenon, which corresponds to the fact that the segregation of sounds into streams typically takes several seconds to build up, remains unexplained. Here, we show that this and other major features of auditory-stream formation measured in humans using alternating-tone sequences can be quantitatively accounted for based on single-unit responses recorded in the primary auditory cortex (A1) of awake rhesus monkeys listening to the same sound sequences.
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