Abstract:
:A model is introduced for auditory adaptation based on the stochastic models that are widely documented for birth and death processes and used as a vehicle to review single unit and compound action potential studies as well as various models for adaptation and forward masking. It appears that such a model inherently incorporates a relation between the perstimulatory adaptation time constant, the poststimulatory recovery time constant and the ratio between adapted firing rate and onset firing rate. The knowledge of any two of these parameters allows the prediction of the third one. The model takes into account postsynaptic membrane properties. The model based on Markov assumptions is a linear one. Although onset firing rates depend on a nonlinear way upon stimulus level, the above mentioned time constants and the adapted rate to onset rate ratio are intensity independent. The idea is put forward and tested that a comparable situation exists for the depression effects produced by mild auditory fatigue. The apparent findings that time constants tend to be intensity dependent for auditory fatigue is explained on basis of an interaction effect of dependent exponential processes.
journal_name
Hear Resjournal_title
Hearing researchauthors
Eggermont JJdoi
10.1016/0378-5955(85)90110-8subject
Has Abstractpub_date
1985-04-01 00:00:00pages
57-71issue
1eissn
0378-5955issn
1878-5891pii
0378-5955(85)90110-8journal_volume
18pub_type
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