L. A. Anderson and M. S. Malmierca The effect of auditory cortex deactivation on stimulus-specific adaptation in the inferior colliculus of the rat European Journal of Neuroscience 37
Stimulus-specific adaption (SSA), where a neuron responds less strongly to standard stimuli than deviant occurs in the inferior colliculus. We cooled the auditory cortex to investigate the contribution of descending cortical pathways on SSA. Changes to SSA sensitivity occurred in 52% of the population and could be in either direction; 48% remained unchanged. Thus, the auditory cortex is not essential for the generation of SSA in the inferior colliculus, but may play a role in its modulation.
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