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Cited by 634Visual perception and processing mechanismsMultisensory perception and integrationMotor Control and Adaptation

Pathways for motion analysis: Cortical connections of the medial superior temporal and fundus of the superior temporal visual areas in the macaque

Boussaoud, Driss, Ungerleider, Leslie G., Desimone, Robert·1990·Journal of Comparative Neurology
DOI 10.1002/cne.902960311
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Abstract

To identify the cortical connections of the medial superior temporal (MST) and fundus of the superior temporal (FST) visual areas in the extrastriate cortex of the macaque, we injected multiple tracers, both anterograde and retrograde, in each of seven macaques under physiological control. We found that, in addition to connections with each other, both MST and FST have widespread connections with visual and polysensory areas in posterior prestriate, parietal, temporal, and frontal cortex. In prestriate cortex, both areas have connections with area V3A. MST alone has connections with the far peripheral field representations of V1 and V2, the parieto-occipital (PO) visual area, and the dorsal prelunate area (DP), whereas FST alone has connections with area V4 and the dorsal portion of area V3. Within the caudal superior temporal sulcus, both areas have extensive connections with the middle temporal area (MT), MST alone has connections with area PP, and FST alone has connections with area V4t. In the rostral superior temporal sulcus, both areas have extensive connections with the superior temporal polysensory area (STP) in the upper bank of the sulcus and with area IPa in the sulcal floor. FST also has connections with the cortex in the lower bank of the sulcus, involving area TEa. In the parietal cortex, both the central field representation of MST and FST have connections with the ventral intraparietal (VIP) and lateral intraparietal (LIP) areas, whereas MST alone has connections with the inferior parietal gyrus. In the temporal cortex, the central field representation of MST as well as FST has connections with visual area TEO and cytoarchitectonic area TF. In the frontal cortex, both MST and FST have connections with the frontal eye field. On the basis of the laminar pattern of anterograde and retrograde label, it was possible to classify connections as forward, backward, or intermediate and thereby place visual areas into a cortical hierarchy. In general, MST and FST receive forward inputs from prestriate visual areas, have intermediate connections with parietal areas, and project forward to the frontal eye field and areas in the rostral superior temporal sulcus. Because of the strong inputs to MST and FST from area MT, an area known to play a role in the analysis of visual motion, and because MST and FST themselves have high proportions of directionally selective cells, they appear to be important stations in a cortical motion processing system.

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Authors
Boussaoud, D., Ungerleider, L. G., & Desimone, R.
Affiliations
  • National Institute of Mental Health (US)
  • National Institutes of Health (US)
Corresponding author
Ungerleider, Leslie G.
ORCID
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1990-06-15
Volume
296
Issue
3
Pages
462-495
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
DOI
10.1002/cne.902960311
OpenAlex
W1989600183
Cited by
634
References
108
Citations by year
2026: 5 · 2025: 14 · 2024: 8 · 2023: 11 · 2022: 10 · 2021: 19 · 2020: 14 · 2019: 12 · 2018: 13 · 2017: 20 · 2016: 15 · 2015: 15 · 2014: 11 · 2013: 13 · 2012: 14
FWCI
11.74
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor, 5230 d)
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
Keywords
medial superior temporal area, motion analysis, cortical connectivity, extrastriate cortex, superior temporal sulcus, parietal cortex, frontal eye field, area MT, area V4, V2, cortical hierarchy, directionally selective neurons, macaque visual system
MeSH terms
Animals, Fluorescent Dyes, Macaca, Macaca fascicularis, Motion Perception, Visual Cortex, Visual Pathways

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