A model of expectation effects in inferior temporal cortex

Reutimann, Jan; Fusi, Stefano; Senn, Walter; Yakovlev, Volodya; Zohary, Ehud (2001). A model of expectation effects in inferior temporal cortex. Neurocomputing, 38-40, pp. 1533-1540. Elsevier 10.1016/S0925-2312(01)00551-3

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Preliminary experimental data suggests that primate inferior temporal cortex implements an automatic mechanism of expectation: inter-stimulus delay activity often increases or decreases monotonically. The slope of the activity is such that the maximum/minimum is always reached at the time of the onset of the second stimulus, adapting to the length of the interval. This mechanism could play an important role for a variety of neural computations that act on a time scale of a few seconds. We developed a model that reproduces such monotonically increasing activity by making use of short-term synaptic facilitation and network effects.

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