Lateral stimulus-response compatibility effects in the oculomotor system

Eye movement reaction time (RT) was measured in simple and choice RT situations in which monaural tones were presented to the left or right ear. In the choice RT conditions, tones of one frequency signaled a left looking response and tones of another frequency signaled a right looking response. In t...

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Bibliographic Details
Published in:Acta psychologica 1975-06, Vol.39 (3), p.175-181
Main Authors: Bertera, J.H., Callan, J.R., Parsons, O.A., Pishkin, V.
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adult
Auditory Perception
Electrooculography
Eye Movements
Functional Laterality
Humans
Male
Reaction Time
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Summary:Eye movement reaction time (RT) was measured in simple and choice RT situations in which monaural tones were presented to the left or right ear. In the choice RT conditions, tones of one frequency signaled a left looking response and tones of another frequency signaled a right looking response. In the simple RT condition, tones were presented in 2 blocks signaling right or left looking responses. RTs were measured by electro-oculogram (EOG), with electrodes placed over the outer canthus of each eye. In the choice RT condition, oculomotor RTs were faster when the tones signaling right or left looking were presented in the ears corresponding to the direction of looking than when they occured in the opposite ear. No such correspondence was present in the simple RT condition. Ss also performed a manual choice RT task. The lateral stimulus- response (S-R) compatibility effects obtained confirmed previous findings and were of the same magnitude as those obtained in the oculomotor response modality. Asymmetry in correlations between oculomotor and manual compatibility effects suggests differential hemispheric mediation.
ISSN:0001-6918
1873-6297
DOI:10.1016/0001-6918(75)90032-3