It was said in the first part that newborn boys look more at mechanical things, and newborn girls look more at human faces. I have heard that newborn children have difficulty to see things; at least their eye movements do not follow moving objects. Could someone give me a better information on this?
EDIT: By the way, I found a study that male and female monkeys prefer different toys. This seems like a more solid evidence for the biological differences. Still curious about the newborns' eyesight, though.
EDIT2: Use the Wikipedia, duh! Seems like newborns have poor eye coordination and depth perception, but are still very good at recognizing a face of their mother.
Though look at this clip out of the documentary "no more boys and girls", showing how when adults think babies are the opposite sex than they actually are, they give them toys that match the stereotype.
Thing is, even little babies have environmental influence (There's even prenatal environmental influence), so just showing behavioral changes in babies doesn't cut it, that's why i always wonder how studies suggesting genetic influence are done.
(searched for LW posts on documentaries and found this one, hopefully commenting on old comments is well received :) )
Related: The Blank Slate, The Psychological Diversity of Mankind, Admitting to Bias
"Hjernevask" a well known (in Norway at least) documentary series that I am sure will be interesting to rationalists here is now available with English subtitles online. Produced by Ole Martin Ihle and Harald Eia a Norwegian documentarian and comedian, it casts a light on both ways in which we know people to be different as well as the culture that is academia in the Nordic country and probably elsewhere as well.
The Series
The link go to the YouTube videos with English subtitles. Because linkrot sucks I'm providing another source for the videos.
Some Commentary
There was very little in the series that I found new and disagreed with some presentations. But this is not surprising given my eccentric interest in humans. (^_^) I found the interviews with the scientists and academics interesting and think that overall the series presents a good overview something well worth watching especially considering some of the debates I've seen taken place here recently. (;_;)
The latter wrote that in a 2010 article on the documentary series that I would also recommend reading. HT to iSteve where it is quoted in full.