Tuesday, January 11, 2011

Gay or Straight - same brain regions activated by love partner.

Here is an interesting bit from Semir Zeki, a well know vision scientist who has also studies brain correlates of artistic appreciation and brain systems and networks that are critical for the sentiment of romantic love. The article contains useful references. The abstract:
We pursued our functional magnetic resonance imaging (fMRI) studies of the neural correlates of romantic love in 24 subjects, half of whom were female (6 heterosexual and 6 homosexual) and half male (6 heterosexual and 6 homosexual). We compared the pattern of activity produced in their brains when they viewed the faces of their loved partners with that produced when they viewed the faces of friends of the same sex to whom they were romantically indifferent. The pattern of activation and de-activation was very similar in the brains of males and females, and heterosexuals and homosexuals. We could therefore detect no difference in activation patterns between these groups.

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