期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 98, 期 3, 页码 1273-1276出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.021549498
关键词
frontal eye fields; microstimulation; saccades; target selection
资金
- NIMH NIH HHS [F32 MH012336, MH-12336] Funding Source: Medline
- PHS HHS [NEI-11347] Funding Source: Medline
Several lines of evidence suggest that planning eye movements and directing visuospatial attention share overlapping brain mechanisms. This study tested whether spatial attention can be enhanced by altering oculomotor signals within the brain. Monkeys performed a spatial attention task while neurons within the frontal eye field, an oculomotor area within prefrontal cortex, were electrically stimulated below the level at which eye movements are evoked. We found that we could improve the monkey's performance with microstimulation when, but only when, the object to be attended was positioned in the space represented by the cortical stimulation site.
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