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Orthogonal adaptation improves orientation discrimination

journal contribution
posted on 2023-05-17, 18:50 authored by Clifford, CWG, Ma Wyatt, A, Arnold, D, Smith, ST, Wenderoth, P
We investigated the effect of adaptation on orientation discrimination using two experienced observers, then replicated the main effects using a total of 50 naïve subjects. Orientation discrimination around vertical improved after adaptation to either horizontal or vertical gratings, but was impaired by adaptation at 7.5 or 15 degrees from vertical. Improvement was greatest when adapter and test were orthogonal. We show that the results can be understood in terms of a functional model of adaptation in cortical vision.

History

Publication title

Vision Research: An International Journal for Functional Aspects of Vision

Volume

41

Pagination

151-159

ISSN

0042-6989

Department/School

School of Health Sciences

Publisher

Pergamon-Elsevier Science Ltd

Place of publication

The Boulevard, Langford Lane, Kidlington, Oxford, England, Ox5 1Gb

Repository Status

  • Restricted

Socio-economic Objectives

Other health not elsewhere classified

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