Neuroscience

Traveling brain waves help detect hard-to-see objects

Imagine that you're late for work and desperately searching for your car keys. You've looked all over the house but cannot seem to find them anywhere. All of a sudden you realize your keys have been sitting right in front ...

Neuroscience

Dendrites may help neurons perform complicated calculations

Within the human brain, neurons perform complex calculations on information they receive. Researchers at MIT have now demonstrated how dendrites—branch-like extensions that protrude from neurons—help to perform those ...

Neuroscience

How visual attention affects the brain

New work at the University of California, Davis, shows for the first time how visual attention affects activity in specific brain cells. The paper, published June 26 in the journal Nature, shows that attention increases the ...

Neuroscience

Neurons in visual cortex of the brain 'drift' over time

New research from Washington University in St. Louis reveals that neurons in the visual cortex—the part of the brain that processes visual stimuli—change their responses to the same stimulus over time.

Neuroscience

Distinguishing REM sleep from other conscious states

(Medical Xpress)—Despite decades of research, little is known about the function of REM sleep, or the dreams that often accompany it. Rapid eye movements occur in most mammals, with a few exceptions like echidnas and dolphins. ...

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