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New insights into how the brain perceives and processes odors

New research makes advances in understanding how smells are perceived and represented in the brain.

Combination of more hospitalizations and brain pathologies linked to faster cognitive decline

Older people who experienced more hospitalizations and also had more Alzheimer’s pathology in their brain experienced the fastest rates of cognitive decline, according to a new study.

Q-suite motor assessment tool promising for evaluating Huntington’s disease

In clinical trials of adults with Huntington’s disease (HD) the Q-Suite Motor Assessment Tool (Q-Motor) has proven to be helpful to detect and quantitate subtle motor abnormalities. With the anticipated arrival of preventive gene therapies that will mo…

Unique brain cells linked to OCD and anxiety

Scientists have discovered a new lineage of specialized brain cells, called Hoxb8-lineage microglia, and established a link between the lineage and OCD and anxiety in mice. Their experiments proved that Hoxb8-lineage microglia prevent mice from display…

Doctors’ beliefs about treatment affect patients’ experience of pain

New research suggests that the placebo effect can transmit from doctors to patients through subtle social cues, lessening the latter’s experience of pain.

A blood factor involved in weight loss and aging

Aging can be delayed through lifestyle changes (physical exercise, restricting calorie intake, etc.). Researchers have elucidated the properties of a molecule in the blood – GDF11 – whose mechanisms were previously unknown. In a mouse model, they showe…

Monkeys: Past social stress impacts genes, health

New research suggests socially stressful experiences that occurred in the past leave a long lasting print on genes and health in monkeys and humans.

How the brain dials up the volume to hear someone in a crowd

Our brains have a remarkable ability to pick out one voice from among many. Now, a team has uncovered the steps that take place in the brain to make this feat possible. Today’s discovery helps to solve a long-standing scientific question as to how the …

New way to think about brain’s link to postpartum depression

Chronic stress during pregnancy triggers an immune response in the brain that has potential to alter brain functions in ways that could contribute to postpartum depression, new research in animals suggests.

Animal study shows how stress and mother’s abuse affects infant brain

A new study in rats shows the extent of brain damage in newborn rodents from even short-term abuse by their mother.