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Narcissism may improve school performance in teens

A new study puts a positive spin on narcissism, suggesting that the trait makes teenagers more mentally tough and boosts their academic performance.

Your brain with a migraine: Effect of electric currents

When migraine sufferers see the tell-tale squiggly lines, light flashes and blind spots of a migraine aura, they prepare for a migraine. When researchers see the brain image of an aura, they try to figure out what causes it and if there is a way to sto…

New mechanism involved in memory loss associated with aging discovered

A new study describes a new mechanism involved in memory loss associated with aging.

What causes alcohol addiction? Study investigates

Rats that persistently choose alcohol despite negative consequences have the same altered signaling mechanism in the brain as human addicts, a study shows.

Freedom from fear: Dopamine’s role in unlearning fearful associations

Researchers have discovered a circuit in the brain that is necessary for unlearning fear. The study details the role of dopamine in ensuring that rats stop being afraid when there isn’t anything to be afraid of anymore.

Why does depression make you feel tired?

Depression can lead to a lack of physical and emotional energy, in addition to causing sleep disturbances that leave a person feeling chronically fatigued. In this article, learn about the link between fatigue and depression, as well as the possible co…

Computational model analysis reveals serotonin speeds learning

A new computational-model reveals that serotonin, one of the most widespread chemicals in the brain, can speed up learning.

Serotonin enhances learning, not just mood

Serotonin levels have been linked to the regulation of mood and sexual function. Emerging research now reveals more about its role in learning processes.

Inability to recognize faces linked to broader visual recognition problems

Imagine that you’re supposed to meet colleagues for dinner, only you can’t remember what their faces look like. For some, this is a reality, as people with face blindness or developmental prosopagnosia (DP) have severe difficulties recognizing faces, i…

Nicotine alters neurotransmission in habit-forming brain region

A study of rat brain slices demonstrates how nicotine interacts with cells that regulate the output of a brain region involved in habit formation. The research could inform efforts to help people quit smoking and avoid relapse.