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Why do people laugh in their sleep?

A person may laugh in their sleep due to odd dreams or sleep disorders. Rarely, the cause is a neurological condition. Sleep laughing can also be normal, especially in babies. Learn more about laughing during sleep here.

What is learned helplessness?

In this article, we discuss the psychology behind learned helplessness — a state in which a person feels unable to change a stressful situation, even when change becomes possible. We look at the background of the theory and ways to overcome this state.

A small electrical zap to the brain could help you retrieve a forgotten memory

Psychologists have provided strong evidence that a certain region of the brain plays a critical role in memory recall. The research also shows for the first time that using an electrical current to stimulate that region, the left rostrolateral prefront…

Searching for the origins of the depressive symptoms in Huntington’s disease

An altered function of Cdk5 kinase — an essential enzyme in several cell signalling pathways — could explain the physiopathology of the depressive-like behavior in Huntington’s disease.

Childhood adversity linked to early puberty, premature brain development and mental illness

Growing up in poverty and experiencing traumatic events like a bad accident or sexual assault were linked to accelerated puberty and brain maturation, abnormal brain development, and greater mental health disorders, such as depression, anxiety, and psy…

Circadian clocks: Body parts respond to day and night independently from brain, studies show

Researchers have suspected that the body’s various circadian clocks can operate independently from the central clock in the hypothalamus of the brain. Now, they have found a way to test that theory.

Concussion symptoms reversed by magnetic therapy

Concussion symptoms — such as loss of balance and ability to walk straight — can be reversed by a new type of magnetic stimulation.

Brain activity in teens predicts future mood health

An imbalance of functioning in attention-related brain systems may help forecast the course of teen depression, according to a new study.

Seeing disfigured faces prompts negative brain and behavior responses

A new study finds that people have implicit negative biases against people with disfigured faces, without knowingly harboring such biases.

When drug treatment for social anxiety is insufficient

A study group clarified that cognitive therapy maintained its effects more than a year after the end of therapy for patients with a social anxiety disorder even for those who did not respond to antidepressant drugs.