Journal
SCIENCE
Volume 294, Issue 5545, Pages 1350-1354Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1063695
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- NICHD NIH HHS [NICHD22614] Funding Source: Medline
- NIMH NIH HHS [MH25594] Funding Source: Medline
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The internal organization of a higher level visual area in the human parietal cortex was mapped. Functional magnetic resonance images were acquired while the polar angle of a peripheral target for a delayed saccade was gradually changed. A region in the superior parietal cortex showed robust retinotopic mapping of the remembered target angle. The map reversed when the direction of rotation of the remembered targets was reversed and persisted unchanged when study participants detected rare target reappearances while maintaining fixation, or when the eccentricity of successive remembered targets was unpredictable. This region may correspond to the lateral intraparietal area in macaque monkeys.
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