Latest Issue of Science News

5/2/15 Cover

Neuroscience

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brain activity

GHOSTLY RINGING  A phantom noise prompted widespread changes in brain activity (circles; colors represent different frequencies of nerve cell activity) in the left side of a man’s brain, including the primary auditory cortex. The black dots represent electrodes implanted in his brain.

sunset

Our bodies’ internal clocks may interpret twilight’s bluish hue as a signal to get some rest.

Mouse map

MOUSE MAP  As a mouse meanders farther away from a border (one path highlighted in blue), a grid cell’s pattern of behavior (red) becomes less regular, distorting the animal’s internal map. Hitting the border can reset it, a study suggests.

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