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Autobiographic memory impairment following acute cortisol administration
Claudia Buss1, Oliver Tobias Wolf, Joern Witt
1Department of Psychobiology, University of Trier, Johanniterufer 15, 54290 Trier, Germany.
Psychoneuroendocrinology
|June 29, 2004
Summary
Cortisol administration impairs autobiographical memory retrieval in healthy students. This finding suggests elevated cortisol levels may contribute to autobiographical memory deficits observed in depression.
Area of Science:
- Neuroscience
- Psychology
- Endocrinology
Background:
- Cortisol is known to impair episodic memory retrieval, including word recall.
- Autobiographical memory is a subcategory of hippocampal-dependent episodic memory.
Purpose of the Study:
- To investigate the effect of cortisol on autobiographical memory retrieval.
- To determine if cortisol impacts mood and attention alongside memory.
Main Methods:
- A placebo-controlled, double-blind crossover study involving 22 male students.
- Administration of 10 mg hydrocortisone or placebo.
- Assessment using the Autobiographical Memory Test (AMT).
Main Results:
- Hydrocortisone significantly reduced the generation of specific autobiographical memories compared to placebo.
- Cortisol administration did not significantly affect mood or attention levels.
- This indicates a specific impairment in autobiographical memory retrieval.
Conclusions:
- Cortisol administration impairs autobiographical memory retrieval in healthy individuals.
- Elevated cortisol levels may partially explain autobiographical memory impairments in depression.
- Further research is warranted to explore the clinical implications.