Neuroscience

Caffeine improves recognition of positive words

Caffeine perks up most coffee-lovers, but a new study shows a small dose of caffeine also increases their speed and accuracy for recognizing words with positive connotation. The research published November 7 in the open access ...

Psychology & Psychiatry

Exposure to violence has long-term stress effects among adolescents

Children who are exposed to community violence continue to exhibit a physical stress response up to a year after the exposure, suggesting that exposure to violence may have long-term negative health consequences, according ...

Neuroscience

Accentuating the positive memories for sleep

Sleep plays a powerful role in preserving our memories. But while recent research shows that wakefulness may cloud memories of negative or traumatic events, a new study has found that wakefulness also degrades positive memories. ...

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