Gaze-shift dynamics in two kinds of sequential looking tasks

Gaze-shift dynamics in two kinds of sequential looking tasks

Gaze-shift dynamics of unrestrained seated subjects were examined. The subjects participated in two tasks. In the first task, they tapped sequences of 3-D targets located on a table in front of them. In the second task, they only looked at similar sequences of targets. The purpose of the task (tappi...

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Veröffentlicht in:Vision research (Oxford) 1997-09, Vol.37 (18), p.2597-2607
Hauptverfasser: Epelboim, Julie, Steinman, Robert M., Kowler, Eileen, Pizlo, Zygmunt, Erkelens, Casper J., Collewijn, Han
Format: Artikel
Sprache:eng
Schlagworte:
Anatomical correlates of behavior
Behavioral psychophysiology
Biological and medical sciences
Fixation, Ocular
Fundamental and applied biological sciences. Psychology
Gaze-shifts
Head Movements
Head/eye coordination
Humans
Male
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reflex, Vestibulo-Ocular
Saccades
Saccades - physiology
Space life sciences
Time Factors
Vestibulo-ocular response
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Zusammenfassung:Gaze-shift dynamics of unrestrained seated subjects were examined. The subjects participated in two tasks. In the first task, they tapped sequences of 3-D targets located on a table in front of them. In the second task, they only looked at similar sequences of targets. The purpose of the task (tapping vs only looking) affected the dynamics of gaze-shifts. Gaze and eye-in-head peak velocities were higher and gaze-shift durations were shorter during tapping than during looking-only. We conclude that task variables affect gaze-shift dynamics, altering characteristics of the so-called saccadic “main sequence”.
ISSN:0042-6989
1878-5646
DOI:10.1016/S0042-6989(97)00075-8