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Contributions of the Monkey Inferior Temporal Areas TE and TEO to Visual Categorization

Lookup NU author(s): Dr Mark EldridgeORCiD

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Abstract

© 2021 Published by Oxford University Press 2021. The ability to categorize images is thought to depend on neural processing within the ventral visual stream. Recently, we reported that after removal of architectonic area TE, the terminal region of the ventral stream, monkeys were still able to categorize images as cats or dogs moderately well. Here, we investigate the contribution of TEO, the architectonically defined region located one step earlier than area TE in the ventral stream. Bilateral removal of TEO caused only a mild impairment in categorization. However, combined TE + TEO removal was followed by a severe, long-lasting impairment in categorization. All of the monkeys tested, including those with combined TE + TEO removals, had normal low-level visual functions, such as visual acuity. These results support the conclusion that categorization based on visual similarity is processed in parallel in TE and TEO.

Publication metadata

Author(s): Setogawa T, Eldridge MAG, Fomani GP, Saunders RC, Richmond BJ

Publication type: Article

Publication status: Published

Journal: Cerebral Cortex

Year: 2021

Volume: 31

Issue: 11

Pages: 4891-4900

Print publication date: 01/11/2021

Online publication date: 14/05/2021

Acceptance date: 14/04/2021

ISSN (print): 1047-3211

ISSN (electronic): 1460-2199

Publisher: Oxford University Press

URL: https://doi.org/10.1093/cercor/bhab129

DOI: 10.1093/cercor/bhab129

PubMed id: 33987672

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