A model of expectation effects in inferior temporal cortex

Jan Reutimann*, Stefano Fusi, Walter Senn, Volodya Yakovlev, Ehud Zohary

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


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.

Original languageAmerican English
Pages (from-to)1533-1540
Number of pages8
StatePublished - Jun 2001

Bibliographical note

Funding Information:
This work is supported by the Swiss National Science Foundation, grant 21-57076.99 (WS).


  • Rising activity
  • Short-term synaptic plasticity
  • Working memory


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