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A model of rate adaptation at the synapse between inner hair cells and auditory-nerve
(AN) fibers that includes both exponential and power-law dynamics is presented here.
Exponentially
adapting components with rapid and short-term time constants, which are mainly responsible for
shaping onset responses, are followed by two parallel paths with power-law adaptation that provide
slowly and rapidly adapting responses.
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The proposed model is capable of accurately predicting several sets of AN data,
including amplitude-modulation transfer functions, long-term adaptation, forward masking, and
adaptation to increments and decrements in the amplitude of an ongoing stimulus.
Reference:
1 .
Zilany MS, Bruce IC, Nelson PC, Carney LH (2009) A phenomenological model of the synapse between the inner hair cell and auditory nerve: long-term adaptation with power-law dynamics. J Acoust Soc Am 126:2390-412 [PubMed]
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