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Related Experiment Videos

Objective and subjective memory impairment in pregnancy.

P M Brindle1, M W Brown, J Brown

  • 1Department of Psychology, University of Bristol.

Psychological Medicine
|August 1, 1991
PubMed
Summary

Pregnant women reported worse memory, but their explicit memory remained intact. However, implicit memory was impaired in first-time mothers, linking subjective memory complaints to objective findings.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Physiology

Background:

  • Subjective memory complaints are common during pregnancy.
  • Previous research has yielded mixed results on objective memory function in pregnant individuals.

Purpose of the Study:

  • To investigate objective memory performance in pregnant women compared to controls.
  • To examine the relationship between subjective memory ratings and objective memory function.

Main Methods:

  • Pregnant women (primigravidae) and non-pregnant controls were assessed.
  • Explicit memory was tested using recognition and recall tasks.
  • Implicit memory was evaluated using relevant cognitive tasks.

Main Results:

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  • Pregnant subjects reported significantly worse memory than controls.
  • Explicit memory function was unimpaired in pregnant individuals.
  • Implicit memory was significantly impaired in primigravidae.
  • Impairment in implicit memory correlated with subjective memory ratings.

Conclusions:

  • Pregnancy is associated with a specific impairment in implicit memory, not explicit memory.
  • Subjective memory complaints during pregnancy may reflect underlying changes in implicit memory processes.
  • This dissociation highlights distinct memory systems affected differently by physiological changes in pregnancy.