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Peering into Little Foot’s 3.67-million-year-old brain

MicroCT scans of the Australopithecus fossil known as Little Foot shows that the brain of this ancient human relative was small and shows features that are similar to our own brain and others that are closer to our ancestor shared with living chimpanze…

How do anxiety and depression affect physical health?

New research investigates the physical health risks associated with anxiety and depression and compares them with those of smoking and obesity.

Two-step control mechanism identified in mouse stem cells

Scientists identified two distinct control mechanisms in the developmental transition of undifferentiated stem cells into healthy brain cells. This fundamental research using mice may inform regenerative medicine treatments for neurodegenerative diseas…

Simply receiving DNA test results can alter your physiology

A fascinating new study demonstrates that simply being told we have a genetic risk can alter the way our body behaves, even if the risk does not exist.

Depression, anxiety may take same toll on health as smoking and obesity

An annual physical typically involves a weight check and questions about unhealthy habits like smoking, but a new study suggests health care providers may be overlooking a critical question: Are you depressed or anxious?

Gently stroking babies before medical procedures may reduce pain processing

Researchers found that gently stroking a baby seems to reduce activity in the infant brain associated with painful experiences. Their results suggest that lightly brushing an infant at a certain speed — of approximately 3 centimeters per second — cou…

Communication between neural networks

Researchers are proposing a new model to explain how neural networks in different brain areas communicate with each other.

One type of brain cell may invite Alzheimer’s

Researchers found that excitatory neurons — those that are more likely to trigger an action (as opposed to inhibitory neurons, which are less likely to prompt neural activity) — are more vulnerable to accumulations of abnormal tau protein, which is i…

How marijuana may damage teenage brains in study using genetically vulnerable mice

In a study of adolescent mice with a version of a gene linked to serious human mental illnesses, researchers say they have uncovered a possible explanation for how marijuana may damage the brains of some human teens.

There’s more to blinking than meets the eye

In an unusual experiment, researchers demonstrate that the duration of a blink during conversation can influence the length of someone’s answer.