Correlated Multiplicative Modulation in Coupled Oscillator Systems: A Model of Selective Attention | Zendy

Hideaki Shimazaki | Zendy; Ernst Niebur | Zendy

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Correlated Multiplicative Modulation in Coupled Oscillator Systems: A Model of Selective Attention

Author(s) -

Hideaki Shimazaki,

Ernst Niebur

Publication year - 2006

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.161.336

Subject(s) - communication source , multiplicative function , stimulus (psychology) , local oscillator , physics , control theory (sociology) , topology (electrical circuits) , mathematics , computer science , phase noise , telecommunications , mathematical analysis , optics , psychology , artificial intelligence , control (management) , combinatorics , psychotherapist

We develop an oscillator model of selective attention based on spread spectrum communication. Stimulus intensity and attention are differentially encoded in the time average of phase velocities of sender oscillators and their temporal structure respectively. Receiver oscillators are driven by a mixture of phase velocities of the sender oscillators. With the aid of top-down modulatory signals that do not change the mean rotational velocity of sender oscillators, our proposed communication scheme allows the receiver oscillators to selectively correlate their velocity with the attended stimulus.

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