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Cited by 2,061Motor Control and AdaptationVisual perception and processing mechanismsMultisensory perception and integration

Posterior parietal association cortex of the monkey: command functions for operations within extrapersonal space

Mountcastle, V. B., Lynch, J. C., Georgopoulos, A., Sakata, H., Acuna, C.·1975·Journal of Neurophysiology
DOI 10.1152/jn.1975.38.4.871
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Abstract

Experiments were made on the posterior parietal association cortical areas 5 and in 17 hemispheres of 11 monkeys, 6 M. mulatta and 5 M. arctoides. The electrical signs of the activity of single cortical cells were recorded with microelectrodes in waking animals as they carried out certain behavioral acts in response to a series of sensory cues. The behavioral paradigms were one for detection alone, and a second for detection plus projection of the arm to contact a stationary or moving target placed at arm's length. Of the 125 microelectrode penetrations made, 1,451 neurons were identified in terms of the correlation of their activity with the behavioral acts and their sensitivity or lack of it to sensory stimuli delivered passively; 180 were studied quantitatively. The locations of cortical neurons were identified in serial sections; 94 penetrations and 1,058 neurons were located with certainty. About two-thirds of the neurons of area 5 were activated by passive rotation of the limbs at their joints; of these, 82% were related to single, contralateral joints, 10% to two or more contralateral joints, 6% to ipsilateral, and 2% to joints on both sides of the body. A few of the latter were active during complex bodily postures. A large proportion of area 5 neurons were relatively insensitive to passive joint rotations, as compared with similar neurons of the postcentral gyrus, but were driven to high rates of discharge when the same joint was rotated during an active movement of the animal...

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  • The dorsal component of the SLF (SLF I) connects the dorsal and medial part of the frontal lobe with the cingulate and cingulum of the superior and medial parietal cortex.

    “More specifically, the dorsal component of the SLF (SLF I) connects the dorsal and medial part of the frontal lobe (i.e., right middle frontal gyrus in Table 2) with the cingulate (Table 3) and cingulum (Table 5) of the superior and medial parietal cortex [56, 57].”

    From The brain anatomy of attention-deficit/hyperactivity disorder in young adults—a magnetic resonance imaging study (2017) · cites this paper as [57]

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Authors
Mountcastle, V. B., Lynch, J. C., Georgopoulos, A., Sakata, H., & Acuna, C.
ORCID
Lynch, J. C.
Venue
Journal of Neurophysiology
Publisher
American Physiological Society
Published
1975-07-01
Volume
38
Issue
4
Pages
871-908
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
DOI
10.1152/jn.1975.38.4.871
OpenAlex
W2177960617
Cited by
2,061
References
40
Citations by year
2026: 11 · 2025: 10 · 2024: 13 · 2023: 17 · 2022: 21 · 2021: 28 · 2020: 32 · 2019: 51 · 2018: 25 · 2017: 31 · 2016: 32 · 2015: 37 · 2014: 29 · 2013: 43 · 2012: 39
FWCI
23.34
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
Keywords
area 5, extrapersonal space, single-unit recording, joint rotation, passive limb movement, arm reaching, target detection, postcentral gyrus, macaque, marmoset
MeSH terms
Animals, Haplorhini, Brain Mapping, Exploratory Behavior, Eye Movements, Joints, Macaca, Mechanoreceptors, Models, Neurological, Motor Skills, Neural Pathways, Neurons, Orientation, Parietal Lobe, Posture, Proprioception, Skin, Space Perception, Time Factors, Visual Perception

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