期刊
COGNITIVE NEUROSCIENCE
卷 3, 期 1, 页码 14-20出版社
PSYCHOLOGY PRESS
DOI: 10.1080/17588928.2011.578210
关键词
fMRI; Long-term memory; Visual imagery
资金
- NSF [BCS0745880]
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [0745880] Funding Source: National Science Foundation
Separate lines of research have shown that visual memory and visual mental imagery are mediated by frontal-parietal control regions and can rely on occipital-temporal sensory regions of the brain. We used fMRI to assess the degree to which visual memory and visual mental imagery rely on the same neural substrates. During the familiarization/study phase, participants studied drawings of objects. During the test phase, words corresponding to old and new objects were presented. In the memory test, participants responded remember, know, or new. In the imagery test, participants responded high vividness, moderate vividness, or low vividness. Visual memory (old-remember) and visual imagery (old-high vividness) were commonly associated with activity in frontal-parietal control regions and occipital-temporal sensory regions. In addition, visual memory produced greater activity than visual imagery in parietal and occipital-temporal regions. The present results suggest that visual memory and visual imagery rely on highly similar-but not identical-cognitive processes.
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