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Tag: "reward" at biology news

Common gene version optimizes thinking -- but with a possible downside

...izophrenia, such as motivation, working memory and reward related learning," explained Andreas Meyer-Lindenberg, M.D. "Our results raise the question of whether a gene variant favored by evolution, that would normally confer advantage, may translate into a disadvantage if the prefrontal cortex is impair...

Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle

... cycles affect the responsiveness of their brains' reward circuitry, an imaging study at the National Instit...rogesterone. However, how these hormones influence reward circuit activity in humans has remained unclear. To pinpoint hormone effects on the reward circ...

In young mice, gregariousness seems to reside in the genes

...t that genes contribute to a novel form of natural reward - the pleasure of interacting with other juveniles. At a practical level, the new findings provide a foundation for understanding the motivations that underlie acts of altruism. Moreover, the work may also help influence the development of new, more ...

Nurtured chimps rake it in

...r side made of flimsy cloth (non-functional). The reward was placed in front of the rigid side of one rake,...ke. The animals who picked the rake with the food reward on the rigid side demonstrated that they understood the causal principles behind the functionality o...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

... a token into a bucket or a pipe to receive a food reward from a separate, unrelated location. After each group of chimpanzees observed a high-ranking female member of its own group complete an action sequence, the majority of the chimpanzees followed that sequence for the remainder of the testing perio...

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