Neuroscience

Dopamine primes the brain for enhanced vigilance

Imagine a herd of deer grazing in the forest. Suddenly, a twig snaps nearby, and they look up from the grass. The thought of food is forgotten, and the animals are primed to respond to any threat that might appear.

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 ...

Medical research

Morphine and cocaine affect reward sensation differently

(Medical Xpress)—A new study by scientists in the US has found that the opiate morphine and the stimulant cocaine act on the reward centers in the brain in different ways, contradicting previous theories that these types ...

Medical research

Brain works best when cells keep right rhythms

It is said that each of us marches to the beat of a different drum, but new Stanford University research suggests that brain cells need to follow specific rhythms that must be kept for proper brain functioning. These rhythms ...

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