Journal
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES
Volume 357, Issue 1424, Pages 1063-1072Publisher
ROYAL SOC LONDON
DOI: 10.1098/rstb.2002.1107
Keywords
attention; visual cortex; single unit; macaque monkey; performance
Categories
Funding
- NEI NIH HHS [R01 EY005911, R01 EY05911] Funding Source: Medline
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Attention to a visual stimulus typically increases the responses of cortical neurons to that stimulus. Because many studies have shown a close relationship between the performance of individual neurons and behavioural performance of animal subjects, it is important to consider how attention affects this relationship. Measurements of behavioural and neuronal performance taken from rhesus monkeys while they performed a motion detection task with two attentional states show that attention alters the relationship between behaviour and neuronal response. Notably, attention affects the relationship differently in different cortical visual areas. This indicates that a close relationship between neuronal and behavioural performance on a given task persists over changes in attentional state only within limited regions of visual cortex.
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