Psychology & Psychiatry

Formation of habitual use drives cannabis addiction

A shift from brain systems controlling reward-driven use to habit-driven use differentiates heavy cannabis users who are addicted to the drug from users who aren't, according to a study in Biological Psychiatry: Cognitive ...

Psychology & Psychiatry

Personality and mood affect brain response to personal choice

Personality traits and mental health affect how people value personal control in decision making, according to a new study in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. Our brain's reward and motivation ...

Neuroscience

How the brain responds to injustice

Punishing a wrongdoer may be more rewarding to the brain than supporting a victim. That is one suggestion of new research published in JNeurosci, which measured the brain activity of young men while they played a "justice ...

Neuroscience

Brain activity buffers against worsening anxiety

Boosting activity in brain areas related to thinking and problem-solving may also buffer against worsening anxiety, suggests a new study by Duke University researchers.

Psychology & Psychiatry

Generous people live happier lives

Generosity makes people happier, even if they are only a little generous. People who act solely out of self-interest are less happy. Merely promising to be more generous is enough to trigger a change in our brains that makes ...

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