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Individual differences in human eye movements: an oculomotor signature?

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posted on 2023-06-09, 06:15 authored by Gary Bargary, Jenny BostenJenny Bosten, Patrick T Goodbourn, Adam J Lawrance-Owen, Ruth E Hogg, J D Mollon
Human eye movements are stereotyped and repeatable, but how specific to a normal individual are the quantitative properties of his or her eye movements? We recorded saccades, anti-saccades and smooth-pursuit eye movements in a sample of over 1000 healthy young adults. A randomly selected subsample (10%) of participants were re-tested on a second occasion after a median interval of 18.8 days, allowing us to estimate reliabilities. Each of several derived measures, including latencies, accuracies, velocities, and left-right asymmetries, proved to be very reliable. We give normative means and distributions for each measure and describe the pattern of correlations amongst them. We identify several measures that exhibit significant sex differences. The profile of our oculomotor measures for an individual constitutes a personal oculomotor signature that distinguishes that individual from most other members of the sample of 1000.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Vision Research

ISSN

0042-6989

Publisher

Elsevier

Volume

141

Page range

157-169

Department affiliated with

  • Psychology Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-05-11

First Open Access (FOA) Date

2018-04-13

First Compliant Deposit (FCD) Date

2017-05-11

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