Anatomical correlates of the functional organization in the human occipitotemporal cortex

Mina Kim, Mathieu Ducros, Thomas Carlson, Itamar Ronen, Sheng He, Kamil Ugurbil, Dae Shik Kim

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The connectivity between functionally distinct areas in the human brain is unknown because of the limitations posed by current postmortem anatomical labeling techniques. Diffusion tensor imaging (DTI) has previously been used to define large white matter tracts based on well-known anatomical landmarks in the living human brain. In the present study, we used DTI coupled with functional magnetic resonance imaging (fMRI) to assess neuronal connections between human striate and functionally defined extrastriate ventral cortical areas. Functional areas were identified with conventional fMRI mapping procedures and then used as seeding points in a DTI analysis to ascertain connectivity patterns between cortical areas, thus yielding the pattern of connections between human occipitoventral visual areas in vivo.

Original languageEnglish (US)
Pages (from-to)583-590
Number of pages8
JournalMagnetic Resonance Imaging
Volume24
Issue number5
DOIs
StatePublished - Jun 2006

Keywords

  • DTI
  • Fiber tracking
  • Human ventral cortex
  • fMRI

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