The Sleep-Deprived Brain Can Mistake Friends for Foes

If you can’t tell a smile from a scowl, you’re probably not getting enough sleep. A new UC Berkeley study shows that sleep deprivation dulls our ability to accurately read facial expressions. This deficit can have serious consequences, such as not noticing that a child is sick or in pain, or that a potential mugger…

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Training Boys to Recognize Another’s Fear Reduces Violent Crime

Written by Jessica Hamzelou for New Scientist Magazine Wide eyes and mouth agape – you might think a fearful face is easy to recognize. That doesn’t seem to be the case for people who repeatedly commit antisocial offences. For the first time, training offenders to better read facial expressions has reduced violent crime. The computer-based…

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The Trustworthiness of an Inmate’s Face May Seal His Fate

The perceived trustworthiness of an inmate’s face may determine the severity of the sentence he receives, according to new research using photos and sentencing data for inmates in the state of Florida. The research, published in Psychological Science, a journal of the Association for Psychological Science, reveals that inmates whose faces were rated as low…

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Do Apes Laugh When Tickled?

Apes often make weird sounds when they’re tickled, and some researchers now say these pants and hoots truly are related to human laughter. That’s the conclusion of a new study in the journal Current Biology that analyzed the “tickle-induced vocalizations” of infant and juvenile apes as well as human infants.