Related topics: brain

Chimpanzee 'mini-brains' hint at secrets of human evolution

At some point during human evolution, a handful of genetic changes triggered a dramatic threefold expansion of the brain's neocortex, the wrinkly outermost layer of brain tissue responsible for everything from language to ...

Discovery of the neural circuit for fear conditioning of fish

Animals are often noted sensing signs of danger and reacting. A simple form of this phenomenon is called fear conditioning, which is a type of learning commonly seen in every animal. By manipulating the activity of specific ...

Humans don't use as much brainpower as we like to think

For years, scientists assumed that humans devote a larger share of their daily calories to their brains than other animals. Although the human brain makes up only 2 percent of body weight, it consumes more than 25 percent ...

Why do we have large brains?

In recently published article from Proceedings of the Royal Society B, the relationship between brain size and behavioural ecology was found to be highly sensitive to small data changes, and widely championed hypotheses such ...

Cognitive scientist calls for integration in language sciences

In a new opinion piece in a major publication, Morten Christiansen, professor of psychology, describes how the study of language has fragmented into many highly-specialized areas of study that tend not to talk to each other. ...

In brain evolution, size matters—most of the time

Which came first, overall bigger brains or larger brain regions that control specialized behaviors? Neuroscientists have debated this question for decades, but a new Cornell University study settles the score.

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