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Abstract:
A model of auditory grouping is described in which auditory
attention plays a key role. The model is based upon an
oscillatory correlation framework, in which neural oscillators
representing a single perceptual stream are synchronised, and are
desynchronised from oscillators representing other streams. The
model suggests a mechanism by which attention can be directed to
the high or low tones in a repeating sequence of tones with
alternating frequencies. In addition, it simulates the perceptual
segregation of a mistuned harmonic from a complex tone.
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