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Related Experiment Videos

Spatial hemineglect in humans.

G Kerkhoff1

  • 1EKN-Clinical Neuropsychology Research Group, Department of Neuropsychology, Hospital Bogenhausen, Dachauerstr. 164, D-80992, Munich, Germany. georg.kerkhoff@extern.lrz-muenchen.de

Progress in Neurobiology
|October 21, 2000
PubMed
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Hemispatial neglect, a deficit in processing stimuli on one side of space, often follows right-sided brain lesions. This review covers its causes, symptoms, and recovery, including sensory, motor, and representational issues.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurology

Background:

  • Hemispatial neglect is a neurological disorder characterized by a deficit in responding to stimuli on one side of space.
  • It frequently results from acquired brain lesions, particularly in the right parieto-temporal regions.
  • Neglect manifests as sensory, motor, and representational deficits, affecting awareness and action.

Purpose of the Study:

  • To review the main findings from studies on hemispatial neglect in humans and animals.
  • To explore the etiological and anatomical basis of neglect.
  • To discuss various aspects including recovery, different types of neglect, and rehabilitation techniques.

Main Methods:

  • Review of behavioral studies in humans with acquired brain lesions.

Related Experiment Videos

  • Consideration of animal models with experimentally induced lesions.
  • Inclusion of electrophysiological studies to understand the neural underpinnings.
  • Synthesis of findings on sensory, motor, and representational deficits.

    • Main Results:

    • Neglect involves deficits in processing sensory stimuli, responding to the contralesional side, or acting with contralesional limbs.
    • Right parieto-temporal lesions are commonly associated with a multicomponent syndrome of neglect.
    • Findings cover allocentric, egocentric, object-centered, and representational neglect, alongside motor neglect and directional hypokinesia.

    Conclusions:

    • Hemispatial neglect is a complex disorder with diverse manifestations and underlying mechanisms.
    • Understanding its various components, anatomical basis, and recovery is crucial for effective rehabilitation.
    • Further research in human and animal models, including sensory stimulation, can inform treatment strategies.