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Neglect after right insular cortex infarction.

F Manes1, S Paradiso, J A Springer

  • 1Department of Psychiatry, University of Iowa College of Medicine, Iowa City, Iowa, USA.

Stroke
|May 7, 1999
PubMed
Summary
This summary is machine-generated.

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Right insular cortex damage is linked to multisensory neglect. Patients with right insular infarction showed significant visual, tactile, and auditory neglect compared to those with left insular lesions.

Area of Science:

  • Neuroscience
  • Neurology
  • Clinical Medicine

Background:

  • Previous case reports suggest a link between right insular damage and neglect.
  • Neglect is a neurological condition characterized by a lack of awareness of external stimuli.

Purpose of the Study:

  • To investigate the incidence of neglect in patients with right or left insular infarction.
  • To determine if the location of insular stroke influences the manifestation of neglect.

Main Methods:

  • Study included 9 right-handed subjects with insular stroke confirmed by CT/MRI.
  • 4 subjects had right insular cerebrovascular accident (CVA), 5 had left insular CVA.
  • Neglect was assessed using visual, tactile, and auditory perception tests 4-8 weeks post-stroke.

Related Experiment Videos

Main Results:

  • Patients with right insular lesions exhibited significant neglect across visual, tactile, and auditory modalities.
  • Patients with left insular lesions showed less pronounced or no neglect in these modalities.

Conclusions:

  • The right insular cortex plays a crucial role in processing external stimuli awareness.
  • Infarction within the right insular cortex can result in multisensory neglect.