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Brain size of human ancestors evolved gradually over 3 million years

Modern humans have brains that are more than three times larger than our closest living relatives, chimpanzees and bonobos. Scientists don’t agree on when and how this dramatic increase took place, but new analysis of 94 hominin fossils shows that aver…

Brain liquefaction after stroke is toxic to surviving brain

Researchers suggest liquefied brain fluid may be one cause of dementia after stroke.

Brain immune system is key to recovery from motor neuron degeneration

Researchers engineered mice in which the damage caused by a mutant human TDP-43 protein could be reversed by one type of brain immune cell. TDP-43 is a protein that misfolds and accumulates in the motor areas of the brains of ALS patients. They found t…

Stroke drug demonstrates safety in clinical trial

A preliminary Phase 2 clinical trial has demonstrated that patients with acute ischemic stroke, the most common type of stroke, can safely tolerate high doses of 3K3A-APC, a promising anti-stroke drug.

Brain aging may begin earlier than expected

Physicists have devised a new method of investigating brain function, opening a new frontier in the diagnoses of neurodegenerative and aging related diseases.

Punishing a wrongdoer more rewarding to brain than supporting a victim

Punishing a wrongdoer may be more rewarding to the brain than supporting a victim. That is one suggestion of new research which measured the brain activity of young men while they played a ‘justice game.’

Mouse model of intellectual disability isolates learning gene

Adult male mice lacking a gene linked to intellectual disability have trouble completing and remembering mazes, with no changes in social or repetitive behavior, according to new research. This animal model provides a new way to study the role of this …

It’s official: Pets benefit our mental health

A systematic review of existing studies lists the many ways in which pets provide people with mental health issues some much-needed comfort.

How making fun of yourself can make you happy

A new study has examined the psychological benefits and disadvantages of self-deprecating humor. The findings may come as a surprise for many.

Newborn babies who suffered stroke regain language function in opposite side of brain

A stroke in a baby — even a big one — does not have the same lasting impact as a stroke in an adult. A study found that a decade or two after a ‘perinatal’ stroke damaged the left ‘language’ side of the brain, affected teenagers and young adults used…