Category Archives: Evolution/Human Body

Time Perception and Dopamine

An interesting New Scientist article that talks about the links between dopamine, time-perception and ADHD, as well as other mental illnesses:
“Rubia believes this is evidence that faulty time perception causes the major symptoms of ADHD, by making children perceive even short periods of inactivity as inordinately long and boring. Because novelty-seeking and risky behaviour increase […]

Oww…

I went to give blood yesterday, after spending years and years wanting to and thinking I wouldn’t be allowed. But it’s all good and despite a phone call down to the Medical Officer, and some checking of the official weight limit, it was all good. Hooray! But now I have a funny bruise on my […]

Bodies

Here’s an interesting article about how our brains deal with using tools:
Tool Use Is Just a Trick of the Mind
It basically says that our brains just treat the tool as an extension of the body. We obviously still have to learn to use it, but once our brains have got the hang of it they […]

Political Orientation and the Brain (And Some Evolution)

This is a timely and interesting link:
Is political orientation wired in the brain?
I wouldn’t go so far as to say it’s “hard-wired”, but political orientation seems that it might be at least partly related to brain hardware. I wonder which way round the causality goes? If older people tend to be more conservative, and us […]