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Cited by 187Tactile and Sensory InteractionsMotor Control and AdaptationNeural dynamics and brain function

Modular distribution of neurons with slowly adapting and rapidly adapting responses in area 3b of somatosensory cortex in monkeys

Sur, M., Wall, J. T., Kaas, J. H.·1984·Journal of Neurophysiology
DOI 10.1152/jn.1984.51.4.724
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Abstract

Recordings from the representations of the glabrous digits in area 3b of the somatosensory cortex of owl and macaque monkeys revealed two types of neurons. Rapidly adapting (RA) neurons responded only at the onset and offset of a 1-s skin indentation. Slowly adapting (SA) neurons also responded to stimulus onset and offset but, in addition, they responded throughout the 1-s skin indentation. RA neurons were found in all cortical layers while SA neurons were found only in the middle cortical layers. In electrode penetrations perpendicular to the layers, some penetrations encountered only RA neurons (RA penetrations), while other penetrations first encountered RA neurons, then SA neurons, and finally RA neurons again (SA penetrations). When closely spaced electrode penetrations were made throughout the representation of a single digit, it was apparent that RA and SA penetrations were not randomly distributed. The distribution suggested the existence of separate clusters or bands of SA and RA neurons in the middle layers of cortex. The predominant orientation of the SA and RA regions was rostrocaudally along the lengths of the digit representations. The SA and RA bands varied in width, had no systematic position in the representation of individual digits, and often crossed from the representation of one digit to another. Because of overlapping receptive fields for neurons in adjoining bands, the SA and RA bands appeared to represent the digits separately. This would allow all skin surfaces for each digit to be subserved by both types of neurons.

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Crossref · 10.1152/jn.1984.51.4.724

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  • S1 regions encode sensory information for individual digits of a hand along with different types of receptors within those digits.

    “Studies also have found evidence for S1 regions that encode sensory information for individual digits of a hand along with different types of receptors within those digits (Merzenich et al., 1983; Sur et al., 1984).”

    From Selectivity and Longevity of Peripheral-Nerve and Machine Interfaces: A Review. (2017) · cites this paper as Sur et al., 1984

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Authors
Sur, M., Wall, J. T., & Kaas, J. H.
ORCID
Venue
Journal of Neurophysiology
Publisher
American Physiological Society
Published
1984-04-01
Volume
51
Issue
4
Pages
724-744
ISSN
  • 0022-3077 (ISSN-L)
  • 1522-1598
DOI
10.1152/jn.1984.51.4.724
OpenAlex
W2135236203
Cited by
187
References
31
Citations by year
2026: 3 · 2025: 3 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 9 · 2019: 2 · 2018: 6 · 2017: 3 · 2016: 5 · 2015: 4 · 2014: 5 · 2013: 4 · 2012: 9
FWCI
4.47
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurophysiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
digit representation, receptive fields, skin indentation
MeSH terms
Animals, Aotus trivirgatus, Macaca fascicularis, Neurons, Somatosensory Cortex, Species Specificity

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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

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Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

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