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Mental rotation of objects versus hands: Neural mechanisms revealed by positron emission tomography
Abstract
Twelve right-handed men participated in two mental rotation tasks as their regional cerebral blood flow (rCBF) was monitored using positron emission tomography. In one task, participants mentally rotated and compared figures composed of angular branching forms; in the other task, participants mentally rotated and compared drawings of human hands. In both cases, rCBF was compared with a baseline condition that used identical stimuli and required the same comparison, but in which rotation was not required. Mental rotation of branching objects engendered activation in the parietal lobe and Area 19. In contrast, mental rotation of hands engendered activation in the precentral gyrus (M1), superior and inferior parietal lobes, primary visual cortex, insula, and frontal Areas 6 and 9. The results suggest that at least two different mechanisms can be used in mental rotation, one mechanism that recruits processes that prepare motor movements and another mechanism that does not.
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Self-citationDo imagined and executed actions share the same neural substrate?
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Encoding words and pictures: a positron emission tomography study
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Cited by
Imaging Cognition II: An Empirical Review of 275 PET and fMRI Studies
Cabeza, R., & Nyberg, L. (2000) · Journal of Cognitive Neuroscience · doi:10.1162/08989290051137585 · Cited by 3,598
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Self-citationContributions of memory circuits to language: the declarative/procedural model
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Sources of Mathematical Thinking: Behavioral and Brain-Imaging Evidence
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A dissociation between mental rotation and perspective-taking spatial abilities
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Metadata
- Authors
- Kosslyn, S. M., Digirolamo, G. J., Thompson, W. L., & Alpert, N. M.
- Venue
- Psychophysiology
- Publisher
- Wiley
- Published
- 1998-03
- Volume
- 35
- Issue
- 2
- Pages
- 151-161
- ISSN
- 0048-5772 (ISSN-L)
- OpenAlex
- W2130126515
- Cited by
- 590
- References
- 6
- FWCI
- 45.75
- Type
- journal article
- Language
- en
- Open access
- closed
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