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Related Experiment Videos

Spatial neglect.

A Kirk1

  • 1Division of Neurology, University of Saskatchewan, Royal University Hospital, 103 Hospital Drive, Saskatoon, Saskatchewan S7N 0W8, Canada. kirk@skyway.usask.ca

Current Neurology and Neuroscience Reports
|March 20, 2002
PubMed
Summary
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Neglect, a brain disorder affecting spatial attention, presents diverse signs and symptoms. Understanding its sensory, motor, and anatomical underpinnings is crucial for effective treatment.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurology

Background:

  • Neglect is a frequent consequence of cerebral lesions, impacting spatial awareness and action.
  • It manifests as a failure to attend or respond to stimuli in a specific part of space.
  • Understanding neglect is vital for patients with brain injuries.

Purpose of the Study:

  • To outline the signs and symptoms of neglect.
  • To explore sensory/attentional versus motor/intentional aspects of neglect.
  • To discuss lesion anatomy and theoretical models of neglect.

Main Methods:

  • Review of clinical signs and symptoms of neglect.
  • Analysis of recent research differentiating sensory/attentional and motor/intentional components.

Related Experiment Videos

  • Examination of neglect beyond the horizontal plane and in normal subjects.
  • Review of neuroanatomical correlates of neglect lesions.
  • Discussion of theoretical models of neglect.

    • Main Results:

    • Neglect exhibits varied signs and symptoms, affecting spatial attention and action.
    • Distinctions between sensory/attentional and motor/intentional aspects are being clarified.
    • Neglect can occur in non-horizontal dimensions, with directional biases also present in healthy individuals.
    • Specific cerebral lesion locations are associated with neglect.
    • Theoretical models attempt to explain the underlying cerebral mechanisms.

    Conclusions:

    • Neglect is a complex disorder with multifaceted manifestations.
    • Further research is needed to fully understand its sensory, motor, and anatomical basis.
    • Theoretical models provide frameworks for comprehending the neural mechanisms of neglect.