Tags » Brain Size

Of shrinking brains and modern anxieties

A recent piece in Discover magazine highlights research on changes in brain size over the last 20 000 years. Contrary to what you might expect, the findings seem to point to decreasing size up until very recently (the last century or so, when better nutrition and public health measures became available). 909 more words

Size does matter: Larger brains can hold more!

A long time ago in a galaxy far, far away, people didn’t have mobile phones to store their phone numbers in. People actually had to use their own memory to store these long numbers. 672 more words

Cognitive Neuroscience

The small gain in SAT scores suggests a huge drop in genetic IQ

A major theme of this blog has been investigating some mysterious changes to human intelligence that have occurred since the 19th century. Since intelligence is highly genetic, and genetic change tends to be extremely slow, it was shocking to find evidence that intelligence significantly changed since the 19th century, and it’s especially shocking to find evidence of it going dramatically up and down at the same time. 1,019 more words