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Using the eye-movement system to control the head

Using the eye-movement system to control the head
Using the eye-movement system to control the head
We tested the hypothesis that A.I., a subject who has total opthalmoplegia, resulting in a lack of eye movements, used her head to orientate in a qualitatively similar way to eye-based orientating of control subjects. We used four classic eye-movement paradigms and measured A.I.'s head movements while she performed the tasks. These paradigms were (i) the gap paradigm, (ii) the remote-distractor effect, (iii) the anti-saccade paradigm, and (iv) tests of saccadic suppression. In all cases, A.I.'s head saccades were qualitatively similar to previously reported eye-movement data. We conclude that A.I.'s head movements are probably controlled by the same neural mechanisms that control eye movements in unimpaired subjects.
1471-2954
1831-1836
Gilchrist, I.D.
89c2da45-f5eb-4c0f-b396-0c1841e10ab8
Brown, V.
4827cede-6668-4e3d-bded-ade4cd5e5db5
Findlay, J.M.
74165557-a6c2-4c41-ba85-cd2df70b84a9
Clarke, M.P.
ed4cde77-f167-435b-b94f-5e6297e9836f
Gilchrist, I.D.
89c2da45-f5eb-4c0f-b396-0c1841e10ab8
Brown, V.
4827cede-6668-4e3d-bded-ade4cd5e5db5
Findlay, J.M.
74165557-a6c2-4c41-ba85-cd2df70b84a9
Clarke, M.P.
ed4cde77-f167-435b-b94f-5e6297e9836f

Gilchrist, I.D., Brown, V., Findlay, J.M. and Clarke, M.P. (1998) Using the eye-movement system to control the head. Proceedings of the Royal Society B, 265 (1408), 1831-1836. (doi:10.1098/rspb.1998.0509).

Record type: Article

Abstract

We tested the hypothesis that A.I., a subject who has total opthalmoplegia, resulting in a lack of eye movements, used her head to orientate in a qualitatively similar way to eye-based orientating of control subjects. We used four classic eye-movement paradigms and measured A.I.'s head movements while she performed the tasks. These paradigms were (i) the gap paradigm, (ii) the remote-distractor effect, (iii) the anti-saccade paradigm, and (iv) tests of saccadic suppression. In all cases, A.I.'s head saccades were qualitatively similar to previously reported eye-movement data. We conclude that A.I.'s head movements are probably controlled by the same neural mechanisms that control eye movements in unimpaired subjects.

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Published date: 7 October 1998

Identifiers

Local EPrints ID: 48327
URI: https://eprints.soton.ac.uk/id/eprint/48327
ISSN: 1471-2954
PURE UUID: 11e20c50-79ba-4ff4-a69f-8a820aaec56d

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Date deposited: 24 Jan 2008
Last modified: 13 Mar 2019 20:57

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Contributors

Author: I.D. Gilchrist
Author: V. Brown
Author: J.M. Findlay
Author: M.P. Clarke

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