Psychology & Psychiatry

Two key brain systems are central to psychosis, study finds

Inside the brains of people with psychosis, two key systems are malfunctioning: a "filter" that directs attention toward important external events and internal thoughts, and a "predictor" composed of pathways that anticipate ...

Genetics

Newly found genetic variant defends against Alzheimer's disease

Columbia researchers have discovered a genetic variant that reduces the odds of developing Alzheimer's disease by up to 70% and may be protecting thousands of people in the United States from the disease. The study, "Rare ...

Neuroscience

Untangling the threads of early onset dementia

Changes in personality, behavior and language are hallmarks of frontotemporal dementia (FTD), the most common form of dementia in patients under the age of 65, which is associated with degeneration of the frontal and temporal ...

Alzheimer's disease & dementia

Immunotherapy for Alzheimer's disease shows promise in mouse study

Alzheimer's disease starts with a sticky protein called amyloid beta that builds up into plaques in the brain, setting off a chain of events that results in brain atrophy and cognitive decline. The new generation of Alzheimer's ...

Neuroscience

Understanding the role of microglia in Alzheimer's disease

Microglia are specialized immune cells in the brain. While they normally protect our brains, they can also contribute to neurodegenerative diseases such as Alzheimer's. The exact mechanism behind this contribution is not ...

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