Neuroscience

Speed-accuracy tradeoff turns up gain in the brain

Widespread changes in neural activity enable people to quickly make a decision by "turning up the gain in the brain," suggests a human study published in eNeuro. The findings help to resolve a central issue in our understanding ...

Psychology & Psychiatry

Cannabis increases the noise in your brain

Several studies have demonstrated that the primary active constituent of cannabis, delta-9-tetrahydrocannabinol (∆9-THC), induces transient psychosis-like effects in healthy subjects similar to those observed in schizophrenia. ...

Neuroscience

A role for neural noise in animal behavior

Researchers from EPFL and UNIL have used flies to show how behaviors may be shaped by seemingly random brain activity. This study raises new questions about the role of neural noise in moment-to-moment decisions.

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