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Related Experiment Videos

Disorders of higher cortical visual function.

James Goodwin1

  • 1University of Illinois Eye & Ear Infirmary, 1855 West Taylor Street, Chicago, IL 60612, USA. jamegood@uic.edu

Current Neurology and Neuroscience Reports
|August 10, 2002
PubMed
Summary

Recent advances in magnetic resonance imaging (MRI) enhance our understanding of higher cortical functions. MRI techniques now precisely map brain regions involved in visual perception and cognitive tasks.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Neuroimaging

Background:

  • Higher cortical functions are complex processes involving distributed brain networks.
  • Understanding the neural basis of these functions is crucial for diagnosing and treating neurological disorders.
  • Advances in neuroimaging have revolutionized the study of brain organization.

Purpose of the Study:

  • To review recent advancements in understanding higher cortical functions.
  • To highlight the role of magnetic resonance imaging (MRI) in mapping these functions.
  • To discuss the application of MRI in both patient and normal subject studies.

Main Methods:

  • Utilizing magnetic resonance imaging (MRI) for lesion localization in patients.
  • Employing functional MRI (fMRI) to investigate neural networks in healthy individuals.
  • Correlating anatomical brain regions with specific visual perceptual and cognitive tasks.

Main Results:

  • MRI enables precise identification of brain regions affected in visual perceptual deficits.
  • fMRI provides insights into the neural networks underlying higher cortical functions during tasks.
  • Significant progress has been made in mapping cognitive functions to specific brain areas.

Conclusions:

  • Neuroimaging, particularly MRI, has greatly improved the localization of brain functions.
  • These advancements are critical for understanding neurological conditions and cognitive processes.
  • Future research will continue to refine our understanding of the brain's complex architecture.

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