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A simple technique for lateralizing visual input that allows prolonged viewing

Myers, Jay J. and Sperry, R. W. (1982) A simple technique for lateralizing visual input that allows prolonged viewing. Behavior Research Methods and Instrumentation, 14 (3). pp. 305-308. ISSN 1554-3528. doi:10.3758/BF03203220.

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A simplified technique is described for obtaining lateralization of visual input with prolonged viewing. This technique is based on the presence of constant normal lateral limits for horizontal rotation of the eyes with reference to the head. With head movement prevented by use of a standard bite bar, and the eyes rotated to the left and held at their lateral limit, the temporal half of the visual field of the left eye may be used for lateralized input to the right hemisphere or vice versa for input to the left hemisphere. Any form of visual stimuli or visually monitored task can be used if confined within one of the extreme temporal hemifields. In comparison to previous methods, this technique is technically simple, inexpensive, without significant risk or discomfort to the subject, readily applicable to normal and various brain-lesioned subjects, and permits prolonged in-depth viewing. An alternative version of this technique uses a stabilized spectacle frame fitted with adjustable central occluders set to allow vision through only one or both of the extreme temporal hemifields.

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Additional Information:© 1982 Psychonomic Society, Inc. This work was supported by U.S. Public Health Service Grant MH 3372 from the National Institute of Mental Health. National Research Service Award 5 T32 GM07737 from the National Institute of General Medical Sciences, the PEW Memorial Trust, and the F. P. Hixon Fund.
Funding AgencyGrant Number
NIH Predoctoral Fellowship5 T32 GM07737
Pew Charitable TrustUNSPECIFIED
Subject Keywords:Visual Input; Blind Spot; Left Visual Field; Lateral Limit; Vertical Midline
Issue or Number:3
Record Number:CaltechAUTHORS:20181107-081543987
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Official Citation:Myers, J.J. & Sperry, R.W. Behavior Research Methods & Instrumentation (1982) 14: 305.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90688
Deposited By: Tony Diaz
Deposited On:07 Nov 2018 20:58
Last Modified:16 Nov 2021 03:34

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