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Buchkapitel

fMRI Adaptation: A Tool for Studying Visual Representations in the Primate Brain

MPG-Autoren
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Kourtzi,  Z
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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http://vpnl.stanford.edu/papers/zk_kgs_bookchapter.pdf
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Zitation

Kourtzi, Z., & Grill-Spector, K. (2005). fMRI Adaptation: A Tool for Studying Visual Representations in the Primate Brain. In C. Clifford, & G. Rhodes (Eds.), Fitting the Mind to the WorldAdaptation and After-Effects in High-Level Vision (pp. 173-188). Oxford, UK: Oxford University Press.


Zitierlink: https://hdl.handle.net/21.11116/0000-0005-3ABF-4
Zusammenfassung
This chapter describes how adaptation over short time frames (seconds) can be combined with brain imaging to study visual representations in the primate brain. The fMRI-adaptation approach, developed by Grill-Spector and her colleagues, exploits the fact that the fMRI response is reduced by repeated presentation of the same stimulus, which they attribute to the suppression of stimulus-specific neurons. Therefore, if a change in a stimulus dimension causes an increased response or ‘rebound’ from adaptation, then the population of neurons must be selective for, or code, that property. If adaptation remains constant across a change, then the population coding must be invariant to that property.