Object-Centered Direction Selectivity in the Macaque Supplementary Eye Field

Object-centered spatial awareness-awareness of the location, relative to an object, of its parts-plays an important role in many aspects of perception, imagination, and action. One possible basis for this capability is the existence in the brain of neurons with sensory receptive fields or motor acti...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1995-08, Vol.269 (5226), p.985-988
Main Authors: Olson, C. R., Gettner, S. N.
Format: Article
Language:English
Subjects:
Animal spatial behavior
Animals
Biological and medical sciences
Brain
Brain Mapping
Cognitive Development
Eye
Eye and associated structures. Visual pathways and centers. Vision
Eye Movements
Eye Movements - physiology
Eyes & eyesight
False positive errors
Frontal Lobe - physiology
Fundamental and applied biological sciences. Psychology
Hemispheres
Horizontal bar
Macaca
Macaques
Male
Monkeys
Monkeys & apes
Motor Reactions
Movements
Neurons
Neurons - physiology
Neuroscience
Perceptions
Photic Stimulation
Physiological aspects
Propagation delay
Spatial Ability
Spatial behavior in animals
Statistical Analysis
Stimuli
Vertebrates: nervous system and sense organs
Visual fields
Visual Perception
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Summary:Object-centered spatial awareness-awareness of the location, relative to an object, of its parts-plays an important role in many aspects of perception, imagination, and action. One possible basis for this capability is the existence in the brain of neurons with sensory receptive fields or motor action fields that are defined relative to an object-centered frame. In experiments described here, neuronal activity was monitored in the supplementary eye field of macaque monkeys making eye movements to the right or left end of a horizontal bar. Neurons were found to fire differentially as a function of the end of the bar to which an eye movement was made. This is direct evidence for the existence of neurons sensitive to the object-centered direction of movements.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.7638625