Hippocampus

• Sex differences in maze performance have been associated with sex differences in brain structure--hippocampus.

• Study by Jacobs et al. (1990) compared the size of the hippocampus in two species of prarire voles that show sex differences in performance on spatial tasks.

meadow

vole

pine

vole

Spatial Task

Hippocampus

males perform

better than

females

no sex

difference

in performance

on task

11% larger

in males than

in females

no sex

difference

in size of

hippocampus

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