Cited by 1,068Neural and Behavioral Psychology StudiesVisual perception and processing mechanismsPrimate Behavior and Ecology

Dorsolateral prefrontal cortex: comparative cytoarchitectonic analysis in the human and the macaque brain and corticocortical connection patterns

Petrides, M., Pandya, D. N.·1999·European Journal of Neuroscience

Abstract

The cytoarchitecture of the human and the macaque monkey dorsolateral prefrontal cortex has been examined in a strictly comparative manner in order to resolve major discrepancies between the available segmentations of this cortical region in the human and the monkey brain. In addition, the connections of the dorsolateral prefrontal cortical areas were re‐examined in the monkey. The present analysis showed that only a restricted portion of what had previously been labelled as area 46 in the monkey has the same characteristics as area 46 of the human brain; the remaining part of this monkey region has the characteristics of a portion of the middle frontal gyrus in the human brain that had previously been included as part of area 9. We have labelled this cortical area as 9/46 in both species. These two areas (i.e. 46 and 9/46), which constitute the lower half of the mid‐dorsolateral frontal cortex, have a well‐developed granular layer IV, and can easily be distinguished from area 9, on the upper part of the mid‐dorsolateral region, which does not have a well‐developed granular layer IV. Area 9 has the same basic pattern of connections as areas 46 and 9/46, but, unlike the latter areas, it does not receive input from the lateral parietal cortex. Caudal to area 9, on the dorsomedial portion of the frontal cortex, there is a distinct strip of cortex (area 8B) which, unlike area 9, receives significant input from the prestriate cortex and the medial parietal cortex. The present results provide a basis for a closer integration of findings from functional neuroimaging studies in human subjects with experimental work in the monkey.

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Crossref · 10.1046/j.1460-9568.1999.00518.x

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  • Similar projections exist between each of these locations and the other domain-independent regions within this putative network.

    “Similar projections exist between each of these locations and the other domain-independent regions within this putative network [42, 66–69].”
  • The homologous cortical area 9L could be unambiguously identified across species upon histological observation, and stereologic counts of cell densities were confined to its borders.

    “Therefore, we were able to unambiguously identify this homologous cortical area across species upon histological observation, and our stereologic counts of cell densities were confined to its borders.”

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Authors
Petrides, M., & Pandya, D. N.
Affiliations
Montreal Neurological Institute and Hospital (CA)
Corresponding author
Petrides, M.
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
1999-03
Volume
11
Issue
3
Pages
1011-1036
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W1965597399
Cited by
1,068
References
43
Citations by year
2026: 25 · 2025: 26 · 2024: 34 · 2023: 27 · 2022: 29 · 2021: 37 · 2020: 37 · 2019: 41 · 2018: 48 · 2017: 63 · 2016: 38 · 2015: 48 · 2014: 45 · 2013: 41 · 2012: 54
FWCI
10.01
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Natural Sciences and Engineering Research Council of Canada
  • Medical Research Council
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
Keywords
dorsolateral prefrontal cortex, cytoarchitecture, human-macaque comparison, area 46, middle frontal gyrus, corticocortical connections, lateral parietal cortex, medial parietal cortex, prestriate cortex
MeSH terms
Animals, Brain Mapping, Humans, Interneurons, Macaca mulatta, Neural Pathways, Prefrontal Cortex

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