Deconstructing Scene Selectivity in Visual Cortex

Reza Rajimehr, Shahin Nasr and Roger Tootell

in Scene Vision

Published by The MIT Press

Published in print November 2014 | ISBN: 9780262027854
Published online May 2015 | e-ISBN: 9780262319898 | DOI:
Deconstructing Scene Selectivity in Visual Cortex

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This chapter examines recent fMRI studies that have reported certain low-level preferences/biases in the scene-responsive areas of visual cortex. It looks at selectivity to low-level visual features in the scene-responsive areas specifically in the parahippocampal place area (PPA). Evidence shows that multiple lower-level variables affect the fMRI response properties in the PPA. This area exhibits a bias for stimuli in the peripheral visual field and a bias for the upper visual field. It is likely that PPA and other scene-responsive areas display selectivity to other low-level features such as specific line junctions or specific shapes.

Keywords: PPA; fMRI response; scene-responsive areas; visual bias

Chapter.  4837 words.  Illustrated.

Subjects: Neuroscience

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