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 ...

Neuroscience

Young brain develops activity peaks while it is still growing

After a short period of growth, cultured networks of neurons regularly exhibit major activity in the absence of external stimulation. These "bursts" are entirely related to growth. At this stage, they have little to do with ...

Health

Study documents high incidence of Pica in Madagascar

(Medical Xpress)—Pica—craving and intentionally consuming nonfood substances, such as earth—and amylophagy, eating raw starches—are widespread among people around the world, including the U.S. Some 180 species of ...

Psychology & Psychiatry

5 year olds are generous only when they're watched

Children as young as five are generous when others are aware of their actions, but antisocial when sharing with a recipient who can't see them, according to research published Oct. 31 in the open access journal PLOS ONE by ...

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