SURFING IN THE BRAIN Paul
نویسندگان
چکیده
Vision provides us with an ever-changing neural representation of the world from which we must extract stable object categorisations. We argue that visual analysis involves a fundamental interaction between the observer's top-down categorisation goals and the incoming stimulation. Specifically, we discuss the information available for categorisation from an analysis of different spatial scales by a bank of flexible, interacting spatial-frequency (SF) channels. We contend that these channels' activity is not simply determined " bottom-up " by
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