Neuroscience

How junk food primes the brain's food-seeking behavior

(Medical Xpress)—The current epidemic of obesity in developed countries should be a warning for health officials in the developing world with newly opened markets. Food manufacturers, restaurant franchising companies, food ...

Neuroscience

'VIP' treatment for jet lag

A small molecule called VIP, known to synchronize time-keeping neurons in the brain's biological clock, has the startling effect of desynchronizing them at higher dosages, says a research team at Washington University in ...

Psychology & Psychiatry

Study finds 'frozen' fear response may underlie PTSD

Learned fear responses enable animals—including humans—to flee or freeze in the face of a perceived threat. But if these behaviors persist after the danger lifts, they can become paralyzing and disabling. That's a key ...

Neuroscience

Brain circuit enables split-second decisions when cues conflict

When animals hunt or forage for food, they must constantly weigh whether the chance of a meal is worth the risk of being spotted by a predator. The same conflict between cost and benefit is at the heart of many of the decisions ...

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