Genetics

Social stress affects immune system gene expression in monkeys

The ranking of a monkey within her social environment and the stress accompanying that status dramatically alters the expression of nearly 1,000 genes, a new scientific study reports. The research is the first to demonstrate ...

Psychology & Psychiatry

Are people with high social status more prone to depression?

The Alpha is the "king" of a horde of mice. While meeting another mouse in the pipeline, Alpha can scare it away with merely a glance. But one day the situation changes. With unexpected courage, the little "mouse brother" ...

Psychology & Psychiatry

Why do we like to play violent video games?

Video games aren't just a hobby for kids or teens. People of all ages and genders from all walks of life play them, and they're available in nearly every home, handbag and pocket around the world.

Neuroscience

Knowing one's place in a social hierarchy

When you start a new job, it's normal to spend the first day working out who's who in the pecking order, information that will come in handy for making useful connections in the future. In an fMRI study published December ...

Psychology & Psychiatry

Babies have logical reasoning before age one, study finds

Human infants are capable of deductive problem solving as early as 10 months of age, a new study by psychologists at Emory University and Bucknell finds. The journal Developmental Science is publishing the research, showing ...

Health

Understanding the current decline in youth drinking

Striking differences in the way high school students socialize may be one of the reasons behind a dramatic drop in youth drinking over the last 20 years, a study from the University of Otago, Wellington, has found.

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