Research that was updated in 2013 from the quoted 1995 speculation:
"… Men and women's brains are connected in different ways which may explain why the sexes excel at certain tasks, say researchers. A US team at the University of Pennsylvania scanned the brains of nearly 1,000 men, women, boys and girls and found striking differences.
Male brains appeared to be wired front to back, with few connections bridging the two hemispheres. In females, the pathways criss-crossed between left and right. …"
"Sex differences in the structural connectome of the human brain"
November 1, 2013 (received for review September 9, 2013)
December 2, 2013
"… Men and women's brains are connected in different ways which may explain why the sexes excel at certain tasks, say researchers. A US team at the University of Pennsylvania scanned the brains of nearly 1,000 men, women, boys and girls and found striking differences.
Male brains appeared to be wired front to back, with few connections bridging the two hemispheres. In females, the pathways criss-crossed between left and right. …"
"Sex differences in the structural connectome of the human brain"
November 1, 2013 (received for review September 9, 2013) December 2, 2013
https://doi.org/10.1073/pnas.1316909110