Cited by 458Visual perception and processing mechanismsPhilosophy and Theoretical ScienceMemory Processes and Influences

Visual mental imagery induces retinotopically organized activation of early visual areas

Slotnick, Scott D., Thompson, William L., Kosslyn, Stephen M.·2005·Cerebral Cortex

Abstract

There is a long-standing debate as to whether visual mental imagery relies entirely on symbolic (language-like) representations or also relies on depictive (picture-like) representations. We sought to discover whether visual mental imagery could evoke cortical activity with precise visual field topography (retinotopy). Participants received three conditions: the perception condition consisted of a standard retinotopic mapping procedure, where two flickering checkerboard wedges rotated around a central fixation point. The imagery and attention conditions consisted of the same stimulus, but only the outer arcs of the wedges were visible. During imagery, participants mentally reproduced the stimulus wedges, using the stimulus arcs as a guide. The attention condition required either distributed attention or focused attention to where the stimulus wedges would have been. Event-related analysis revealed that the imagery (greater than either form of attention) retinotopic maps were similar to the perception maps. Moreover, blocked analysis revealed similar perception and imagery effects in human motion processing region MT+. These results support the depictive view of visual mental imagery.

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Crossref · 10.1093/cercor/bhi035

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  • The results are unlikely to be caused by the same neural mechanisms as those suggested in earlier studies on visual mental imagery.

    “The successful classification in experiments 1 and 2 was driven by differential patterns of deactivation rather than activation, and, thus, our results are unlikely to be caused by the same neural mechanisms as those suggested in earlier studies on visual mental imagery [17, 18].”

    From Decoding sound and imagery content in early visual cortex (2014) · cites this paper as [17]

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Authors
Slotnick, S. D., Thompson, W. L., & Kosslyn, S. M.
Affiliations
Boston College (US)
Corresponding author
Slotnick, Scott D.
Venue
Cerebral Cortex
Published
2005-02-02
Volume
15
Issue
10
Pages
1570-1583
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2129849327
Cited by
458
References
54
Citations by year
2026: 16 · 2025: 15 · 2024: 15 · 2023: 48 · 2022: 19 · 2021: 11 · 2020: 47 · 2019: 20 · 2018: 22 · 2017: 31 · 2016: 15 · 2015: 20 · 2014: 13 · 2013: 17 · 2012: 24
FWCI
5.63
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (R01MH060734, 5 R01 MH60734-03)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Philosophy and Theoretical Science
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
visual imagery, retinotopic mapping, symbolic representation, early visual cortex, MT, motion processing, visual attention, visual perception, event-related potentials
MeSH terms
Adult, Attention, Brain Mapping, Cerebrovascular Circulation, Data Interpretation, Statistical, Evoked Potentials, Visual, Female, Fixation, Ocular, Humans, Imagination, Functional Laterality, Magnetic Resonance Imaging, Male, Photic Stimulation, Psychomotor Performance, Reaction Time, Retina, Visual Cortex, Visual Perception, Signal Detection, Psychological

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