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Related Experiment Videos

Functional neuroimaging correlates of functional amnesia.

H J Markowitsch1

  • 1University of Bielefeld, Germany. hjmarkowitsch@post.uni-bielefeld.de

Memory (Hove, England)
|February 5, 2000
PubMed
Summary

Functional neuroimaging reveals how the prefrontal cortex and brain hemispheres interact during memory encoding and retrieval. Stress and depression can cause memory disturbances, potentially leading to a "mnestic block syndrome".

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuroimaging

Background:

  • Functional neuroimaging offers insights into memory encoding and retrieval.
  • Understanding anatomico-functional interactions is crucial for memory research.
  • Previous studies highlight the prefrontal cortex's role in memory processing.

Purpose of the Study:

  • To explore functional neuroimaging findings on memory processing.
  • To investigate the role of the prefrontal cortex and brain hemispheres in memory.
  • To examine memory impairments, including psychogenic forms and environmentally triggered deficiencies.

Main Methods:

  • Analysis of functional neuroimaging results.
  • Review of studies on memory encoding and retrieval.
  • Discussion of neuroanatomical correlates of amnesia.

Main Results:

  • Functional neuroimaging elucidates the prefrontal cortex's role in memory.
  • Hemispheric contributions to information processing are clarified.
  • Environmentally triggered memory deficits and subtle neuroanatomical correlates are discussed.

Conclusions:

  • Stress and depression can alter brain chemistry, impacting memory.
  • Glucocorticoids and transmitter agonists may cause selective memory disturbances.
  • A "mnestic block syndrome" can manifest due to these neurobiological changes.

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