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Altruism could be increased by reducing specific brain activity

Researchers suggest it may be possible to make people more altruistic by reducing activity in certain areas of the brain linked to behavior and impulsivity.

Sleep suppresses brain rebalancing

Why humans and other animals sleep is one of the remaining deep mysteries of physiology. A study shows that homeostatic mechanisms are indeed gated by sleep and wake, but in the opposite direction from that theorized previously.

Psychiatric diagnoses in young transgender women

About 41 percent of young transgender women had one or more mental health or substance dependence diagnoses and nearly 1 in 5 had two or more psychiatric diagnoses in a study of participants…

Tracing the scent of fear

A new study has identified nerve cells and a region of the brain behind this innate fear response. With a new technique that uses specially-engineered viruses to uncover the nerve pathway involved, a research team has pinpointed a tiny area of the mous…

Autism: early death risk a ‘hidden crisis’

A study by Swedish researchers finds individuals with autism may die up to 30 years earlier than people without the disorder, which one charity says highlights a ‘hidden crisis.’

Beyond Alzheimer’s: Study reveals how mix of brain ailments drives dementia

An analysis based on long-term studies of nuns and Japanese American men provides compelling new evidence that dementia often results from a mix of brain pathologies, rather than a single condition.

Studying human brain using 3D printing technology

At two percent of our body weight, and made up of 100 billion nerve cells, the brain is a hugely complex organ. Scientists can study the brain using animal models, but in recent years much work has gone in to seeking alternatives. A team of researchers…

Stem cells used to identify cellular processes related to glaucoma

Using stem cells derived from human skin cells, researches have successfully demonstrated the ability to turn stem cells into retinal ganglion cells, the neurons that conduct visual information from the eye to the brain. Their goal is the development o…

The smell of alcohol can affect behavior

Just smelling alcohol on a face mask can make it harder for people to control their behavior, says a new study with implications for addiction and substance use.

High standards could make or break a marriage, study finds

Couples who have high standards for their marriage may experience reduced marital satisfaction over time if they already have relationship problems, a new study suggests.