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Negative effects of testosterone on visuospatial ability in 35 to 80 year old men.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2006 (English)In: Cortex, Vol. 42, no 3, 376-386 p.Article in journal (Refereed) Published
Abstract [en]

Androgens have been linked to visuospatial ability. We examined the relationship between serum free testosterone (T) levels and spatial visualization ability in a population-based sample of 450 healthy men between the ages of 35 and 80 years. They were tested on block design and Mini Mental State of Examination (MMSE) draw-a-figure, as well as tasks assessing episodic memory, semantic memory, procedural memory, and verbal fluency. Blood was analyzed for free T and estradiol. Participants were grouped into high or low free T based on age-specific median values. Participants with low free T performed at a superior level on both the block design task and draw-a-figure task as compared to participants with high free T. The results are discussed within the scant body of research on androgens and cognition in men.

Place, publisher, year, edition, pages
2006. Vol. 42, no 3, 376-386 p.
Keyword [en]
memory, testosterone, block design
National Category
URN: urn:nbn:se:su:diva-19971OAI: diva2:186496
Available from: 2007-11-21 Created: 2007-11-21 Last updated: 2011-01-11Bibliographically approved

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Nilsson, Lars-Göran
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