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Related Experiment Videos

Emotion processing in Alzheimer's disease

N L Cadieux1, K W Greve

  • 1Department of Psychology, University of New Orleans, LA 70148, USA.

Journal of the International Neuropsychological Society : JINS
|October 10, 1997
PubMed
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Alzheimer's disease patients show emotion processing deficits. Right hemisphere dysfunction in Alzheimer's disease specifically impacts visuoperceptual skills for static emotional stimuli.

Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Emotion processing deficits significantly impact Alzheimer's disease (AD) patients' quality of life.
  • Limited research exists on the causes of these deficits in AD.

Purpose of the Study:

  • To investigate right hemisphere emotion processing systems in AD.
  • To compare vulnerability of emotional facial expression vs. prosody processing in AD.
  • To test if right hemisphere dysfunction (low spatial AD) impairs emotion processing more than left hemisphere dysfunction (low verbal AD).

Main Methods:

  • Comparison of emotion processing in low spatial AD patients vs. low verbal AD patients.
  • Assessment of deficits independent of language and memory.

Main Results:

Related Experiment Videos

  • Both low spatial and low verbal AD patients exhibited emotion processing impairments.
  • Low verbal patients' deficits were linked to language and memory issues with task instructions.
  • Low spatial patients showed emotion processing deficits independent of language/memory, possibly due to visuoperceptual issues.

    • Conclusions:

    • Alzheimer's disease pathology affects emotion processing through different mechanisms depending on hemisphere involvement.
    • Visuoperceptual deficits in low spatial AD patients contribute to impaired perception of static emotional stimuli.