Performing complex cognitive tasks leads to glutamate accumulating in a key region of the brain, a study finds, which could explain why mental labor is so exhausting.
A research group argues that a species’ number of neurons, rather than brain volume, should serve as indicator of cognitive capacity when studying brain evolution, but some experts voice doubts.
An analysis of the contours of more than 600 kids’ brains points to links between cerebral surface area and heritability in regions of the brain important in cognition.
First described in the late 19th century, then lost from the literature for more than 100 years, the vertical occipital fasciculus appears to be important in visual processing.
Scientist to Watch, Takaki Komiyama, discusses his use of chronic two-photon calcium imaging to explore how wakefulness and experience shape odor representations in the mouse olfactory bulb.