Functional and anatomical properties of human visual cortical fields

Shouyu Zhang, Anthony D. Cate, Timothy J. Herron, Xiaojian Kang, E. William Yund, Shanglian Bao, David L Woods

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Human visual cortical fields (VCFs) vary in size and anatomical location across individual subjects. Here, we used functional magnetic resonance imaging (fMRI) with retinotopic stimulation to identify VCFs on the cortical surface. We found that aligning and averaging VCF activations across the two hemispheres provided clear delineation of multiple retinotopic fields in visual cortex. The results show that VCFs have consistent locations and extents in different subjects that provide stable and accurate landmarks for functional and anatomical mapping. Interhemispheric comparisons revealed minor differences in polar angle and eccentricity tuning in comparable VCFs in the left and right hemisphere, and somewhat greater intersubject variability in the right than left hemisphere. We then used the functional boundaries to characterize the anatomical properties of VCFs, including fractional anisotropy (FA), magnetization transfer ratio (MTR) and the ratio of T1W and T2W images and found significant anatomical differences between VCFs and between hemispheres.

Original languageEnglish (US)
Pages (from-to)107-121
Number of pages15
JournalVision Research
Volume109
Issue numberPA
DOIs
StatePublished - Apr 1 2015
Externally publishedYes

Fingerprint

Visual Fields
Anisotropy
Visual Cortex
Magnetic Resonance Imaging

Keywords

  • Cortex
  • Cortical surface
  • FA
  • MTR
  • T1/T2
  • Visual cortical fields

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Zhang, S., Cate, A. D., Herron, T. J., Kang, X., Yund, E. W., Bao, S., & Woods, D. L. (2015). Functional and anatomical properties of human visual cortical fields. Vision Research, 109(PA), 107-121. https://doi.org/10.1016/j.visres.2015.01.015

Functional and anatomical properties of human visual cortical fields. / Zhang, Shouyu; Cate, Anthony D.; Herron, Timothy J.; Kang, Xiaojian; Yund, E. William; Bao, Shanglian; Woods, David L.

In: Vision Research, Vol. 109, No. PA, 01.04.2015, p. 107-121.

Research output: Contribution to journalArticle

Zhang, S, Cate, AD, Herron, TJ, Kang, X, Yund, EW, Bao, S & Woods, DL 2015, 'Functional and anatomical properties of human visual cortical fields', Vision Research, vol. 109, no. PA, pp. 107-121. https://doi.org/10.1016/j.visres.2015.01.015
Zhang S, Cate AD, Herron TJ, Kang X, Yund EW, Bao S et al. Functional and anatomical properties of human visual cortical fields. Vision Research. 2015 Apr 1;109(PA):107-121. https://doi.org/10.1016/j.visres.2015.01.015
Zhang, Shouyu ; Cate, Anthony D. ; Herron, Timothy J. ; Kang, Xiaojian ; Yund, E. William ; Bao, Shanglian ; Woods, David L. / Functional and anatomical properties of human visual cortical fields. In: Vision Research. 2015 ; Vol. 109, No. PA. pp. 107-121.
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