social behaviors

Recent articles

A young child in a blue shirt sits in a red chair and speaks to an adult at the edge of the frame.

AI tool estimates social ability by analyzing speech

The system’s code and training data—drawn from one of the largest databases of speech recordings from autistic people—are openly available.

By Charles Q. Choi
13 February 2025 | 5 min read

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Image of a disintegrating dollar bill.

About-faces in U.S. federal science funding put neuroscientists on edge

“It’s hard to know what’s real,” says neuroscientist Josh Dubnau after a dizzying week in which diversity-related grant applications were pulled from study sections only to be reinstated five days later, among other reversals.

By Angie Voyles Askham
12 February 2025 | 5 min read

Dmitri Chklovskii outlines how single neurons may act as their own optimal feedback controllers

From logical gates to grandmother cells, neuroscientists have employed many metaphors to explain single neuron function. Chklovskii makes the case that neurons are actually trying to control how their outputs affect the rest of the brain.

By Paul Middlebrooks
12 February 2025 | 99 min listen

Dopamine ‘gas pedal’ and serotonin ‘brake’ team up to accelerate learning

Mice learn fastest and most reliably when they experience an increase in dopamine paired with an inhibition of serotonin in their nucleus accumbens, a new study shows, helping to resolve long-standing questions about the neuromodulators’ relationship.

By Angie Voyles Askham
12 February 2025 | 5 min read