Cortical Potentials Associated with the Detection of Visual Events

A positive-going potential, which reaches a maximum at the vertex and midline parietal scalp electrodes, occurs in the human being when an infrequent, significant event occurs in a continuously observed visual display. It is not time locked to eye movements or operant response and appears to be gene...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1977-04, Vol.196 (4285), p.74-77
Main Authors: Cooper, R., McCallum, W. C., Newton, P., Papakostopoulos, D., Pocock, P. V., Warren, W. J.
Format: Article
Language:English
Subjects:
Amplifiers
Automobiles
Cerebral Cortex - physiology
Display devices
Electrodes
Electroencephalography
Evoked Potentials
Eye Movements
Eyes
Humans
Space life sciences
Trucks
Vehicles
Vertices
Visual fixation
Visual Perception - physiology
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Summary:A positive-going potential, which reaches a maximum at the vertex and midline parietal scalp electrodes, occurs in the human being when an infrequent, significant event occurs in a continuously observed visual display. It is not time locked to eye movements or operant response and appears to be generated when the observer recognizes an event that he has been instructed to detect.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.841343