Research library
Papers about aphantasia and mental imagery, with summaries in plain words. The summaries are generated by AI and may contain errors.
Vanbuckhave and colleagues · Psychophysiology
Pupil size changes in response to imagined brightness reflected trial-level vividness but not stable trait imagery scores. This suggests pupillometry tracks temporary imagery intensity rather than serving as a marker for overall ability.
Laeng and Sulutvedt · Psychological Science
Pupils narrowed when people imagined bright shapes or scenes and widened for dark ones, even while they looked at a plain gray screen. The authors conclude that mental images carry the brightness of the original perception.
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