Sex and the brain

I find myself reading about sex and gender recently, particularly whether there are cognitive differences between males and females. Both His Brain, Her Brain in the latest Scientific American and the debate between Steven Pinker and Elizabeth Spelke were provoked by comments made by the president of Harvard University earlier this year. Both the article and the debate bring-up some very interesting research concerning the biological contribution to the differences in behaviour between sexes, with dallies into the murkier socio-cultural issues of gender.

There are a number of interesting points made in the debate concerning not only the research on cognitive differences between sexes, but also the moral basis of feminism, discrimination and statistics, and the usefulness of common measurements of academic ability. I won’t summarize them here; I recommend reading the entire transcript. The article in SciAm summarizes a few studies about differences between sexes that are not necessarily related to sexual behaviour. While not as directly relevant to the topic as the debate, it does provide interesting talking-points.

I did notice that most everything written about the topic seems to restrict itself to a binary model of sex. Exceptions to the male-or-female dichotomy exist. There are various syndromes (androgenital, androgenic insensitivity, Turner’s syndrome, etc.) in which the afflicted can’t really be said to be exclusively or wholly male or female. Just as people must be aware that sex-specific tendencies are not absolute and invariant, it is important to note that sex itself is not categorical, but exists in varying degrees.

On a tangentially related note, yesterday’s webcast of a transsexual surgery was cancelled, or perhaps only delayed. The site was recommended to me by my grandmother, who, out of morbid curiosity, spent the morning examining the step-by-step diagrams describing the procedure. At the very least, I can be happy that my link suggestion was posted to Boing Boing (the geek equivalent of having a song request played on the radio).

Comments (2) left to “Sex and the brain”

  1. The Undersigned wrote:

    Wow, complicated blog you’ve got now. Cool. Is Scientific American any good again? For a while when it turned into flashy crap, if that doesn’t sound too snobby, or boring, uninformative and over-styled science gossip, though that’s really no less pretentious. Eh, it’s late at night. Fine.

    Anyways, the number is HALT-NOW. And I’ll update my blog links pretty soon. Why killspeak, though? And did you keep a record of the port5 blog?

    Dré

  2. Lucas wrote:

    Yeah, the default WordPress blog is pretty complicated. I’m working on a simple re-design (but God knows when that’ll be ready). Yes, I do have the old port5 archived somewhere.

    “Killspeak” because, late at night, when I was first installing WordPress, it came to mind. It’s a Coupland creation; likely not to remain my title for long.

    I’m not sure what shape “Scientific American” is in. I’ve never followed it closely. I do know that there was a bit on attentive user interfaces in the January issue which featured one of my profs, and there was a nice refutation of creation science a while back (”15 Answers to Creationist Nonsense”), both worth reading.

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