Journal
VISION RESEARCH
Volume 47, Issue 4, Pages 474-478Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2006.11.013
Keywords
vividness; visualization; fMRI; psychophysics
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Funding
- NIDA NIH HHS [R01 DA011723] Funding Source: Medline
- NINDS NIH HHS [T32 NS007467, 5 T32 NS07467, R01 NS045790] Funding Source: Medline
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When asked to imagine a visual scene, such as an ant crawling on a checkered table cloth toward ajar of jelly, individuals subjectively report different vividness in their mental visualization. We show that reported vividness can be correlated with two objective measures: the early visual cortex activity relative to the whole brain activity measured by functional magnetic resonance imaging (fMRT) and the performance on a novel psychophysical task. These results show that individual differences in the vividness of mental imagery are quantifiable even in the absence of subjective report. (c) 2006 Elsevier Ltd. All rights reserved.
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