Location and functional definition of human visual motion organization using functional magnetic resonance imaging

Tianyi Yan, Jinglong Wu

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

In humans, functional imaging studies have found a homolog of the macaque motion complex, MT+, which is suggested to contain both the middle temporal (MT) and medial superior temporal (MST) areas in the ascending limb of the inferior temporal sulcus. In the macaque, the motion-sensitive MT and MST areas are adjacent in the superior temporal sulcus. Electrophysiology has identified several motion-selective regions in the superior temporal sulcus (STS) of the macaque. Two of the best-studied areas include the MT and MST areas. The MT area has strong projections to the adjacent MST area and is typically subdivided into the dorsal (MSTd) and lateral (MSTl) subregions. While MT encodes the basic elements of motion, MST has higher-order motion-processing abilities and has been implicated in the perception of both object motion and self motion. The macaque MST area has been shown to have considerably larger receptive fields than the MT area. The receptive fields of MT cells typically extend only a few degrees into the ipsilateral visual field, while MST neurons have receptive fields that extend well into the ipsilateral visual field. This study tentatively identifies these subregions as the human homologs of the macaque MT and MST areas, respectively (Fig. 1). Putative human MT and MST areas were typically located on the posterior/ventral and anterior/dorsal banks of a dorsal/posterior limb of the inferior temporal sulcus. These locations are similar to their relative positions in the macaque superior temporal sulcus.

Original languageEnglish
Title of host publicationEarly Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications
PublisherIGI Global
Pages18-27
Number of pages10
ISBN (Print)9781609605599
DOIs
Publication statusPublished - 2011

Fingerprint

Magnetic Resonance Imaging
Macaca
Temporal Lobe
Visual Fields
Extremities
Aptitude
Electrophysiology

ASJC Scopus subject areas

  • Health Professions(all)

Cite this

Yan, T., & Wu, J. (2011). Location and functional definition of human visual motion organization using functional magnetic resonance imaging. In Early Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications (pp. 18-27). IGI Global. https://doi.org/10.4018/978-1-60960-559-9.ch003

Location and functional definition of human visual motion organization using functional magnetic resonance imaging. / Yan, Tianyi; Wu, Jinglong.

Early Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications. IGI Global, 2011. p. 18-27.

Research output: Chapter in Book/Report/Conference proceedingChapter

Yan, T & Wu, J 2011, Location and functional definition of human visual motion organization using functional magnetic resonance imaging. in Early Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications. IGI Global, pp. 18-27. https://doi.org/10.4018/978-1-60960-559-9.ch003
Yan T, Wu J. Location and functional definition of human visual motion organization using functional magnetic resonance imaging. In Early Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications. IGI Global. 2011. p. 18-27 https://doi.org/10.4018/978-1-60960-559-9.ch003
Yan, Tianyi ; Wu, Jinglong. / Location and functional definition of human visual motion organization using functional magnetic resonance imaging. Early Detection and Rehabilitation Technologies for Dementia: Neuroscience and Biomedical Applications. IGI Global, 2011. pp. 18-27
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