Psychology & Psychiatry

Study helps explain why motivation to learn declines with age

As people age, they often lose their motivation to learn new things or engage in everyday activities. In a study of mice, MIT neuroscientists have now identified a brain circuit that is critical for maintaining this kind ...

Psychology & Psychiatry

War songs and lullabies behind origins of music

Love is not the reason why we sing and create symphonies—at least not the primary reason, according to a new evolutionary theory of the origins of music.

Psychology & Psychiatry

Happiness and the evolution of brain size

During human evolution, the size of the brain increased, especially in a particular part called the neocortex. The neocortex enables us to speak, dream and think. In search of the causes underlying neocortex expansion, researchers ...

Psychology & Psychiatry

Workplace interruptions lead to physical stress

Using an experiment conducted in a simulated group office environment, ETH researchers have proved for the first time that repeated workplace interruptions cause the body to increase the release of stress hormones. And they ...

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