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roughness and neural encoding
I was hoping you could suggest me some good pointers in this issue. As far as I understand, the auditory system registers the variation in the signal temporal envelope as synchrony in responses of the neurons to the amplitude modulation period. Assuming the beatings of a pure tone dyad, only two frequencies are present in the spectrum, but some neurons spike in synchrony with half the difference of the two tone frequencies. Why is roughness elicited? how is it that it only occurs for freq. between 15 ~ 300 Hz approx.? is the encoding happening in the neurons associated with the critical band centered at the average of the two tones? or is it present also in the critical band corresponding to the beating period?
Thanks in advance,
Me pregunto de un modo pensativo
Que significa ser Colombiano?
No se le respondi. Es un acto de fe