Superior parietal cortices and varieties of mental rotation

@article{Parsons2003SuperiorPC,
  title={Superior parietal cortices and varieties of mental rotation},
  author={Lawrence M. Parsons},
  journal={Trends in Cognitive Sciences},
  year={2003},
  volume={7},
  pages={515-517}
}
  • L. Parsons
  • Published 1 December 2003
  • Biology, Psychology
  • Trends in Cognitive Sciences
View on Elsevier
p.u-tokyo.ac.jp
74 Citations
Background Citations
42
Methods Citations
2
Results Citations
4

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74 Citations

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Although the reviewed studies differ in terms of used stimuli, mental rotation procedure, or brain imaging method, there is consistency for the core regions, which are involved in mental rotation (superior parietal lobe and the intraparietal sulcus).
Differential activation of the human brain during mental rotation paradigms, an fMRI study
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It is concluded that men and women use a very similar motor strategy during egocentric mental rotation with a potential gender-specific accent, and men outperform women on several spatial ability measures and the Mental Rotations Test (MRT) shows a robust sex difference.
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The event-related potentials measure supported the idea that amplitude modulation in the parietal cortex is a psychophysiological marker of the mental rotation of hand and the rotation-direction-dependent modulation of a positive wave was identified as possible neural correlate for the egocentric nature of such mental rotation.
Parietal Lobe Contribution to Mental Rotation Demonstrated with rTMS
TLDR
The results indicate that the right superior posterior parietal lobe plays an essential role in mental rotation, consistent with its involvement in a variety of visuospatial and visuomotor transformations.
TMS of supplementary motor area (SMA) facilitates mental rotation performance: Evidence for sequence processing in SMA
The role of dorsal premotor cortex in mental rotation: A transcranial magnetic stimulation study
Role of motor processes in extrinsically encoding mental transformations
Cortical Activation in Mental Rotation and the Role of the Corpus Callosum: Observations in Healthy Subjects and Split-Brain Patients
TLDR
The results suggest that performing MR requires activation of opercular cortex and inferior parietal lobule in either hemispheres, and likely the integrity of the CC, thus confirming that the main brain commissure is involved in cognitive functions.
Does egocentric mental rotation elicit sex differences?
Is the Imitative Competence an Asymmetrically Distributed Function?
TLDR
The results strongly point to the conclusion that AI and MR competence requires interhemispheric communication, mainly occurring through the corpus callosum, which is the largest white matter structure in the human brain.
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