Biological Psychiatry

Psychology & Psychiatry

Psychiatric symptoms in Alzheimer´s disease

In addition to memory problems and other cognitive symptoms, most people with Alzheimer's disease also suffer from mental health issues. It has long been unclear whether these occur because of tissue changes in the brain, ...

Psychology & Psychiatry

Acute stress leads to dynamic changes in the brain

Did math problems make you stressed at school? That's what happened to participants in a study of the brain's reaction to stress. For the first time, researchers looked at the entire duration of such a situation. They found ...

Genetics

Depression and Alzheimer's disease share genetic roots

Epidemiological data have long linked depression with Alzheimer's disease (AD), a neurodegenerative disease characterized by progressive dementia that affects nearly 6 million Americans. Now, a new study identifies common ...

Neuroscience

Microglial methylation "landscape" in human brain

In the central nervous system, microglial cells play critical roles in development, aging, brain homeostasis, and pathology. Recent studies have shown variation in the gene-expression profile and phenotype of microglia across ...

Psychology & Psychiatry

Addiction relapse driven by drug-seeking habit, not just drug

Why are some individuals able to use recreational drugs in a controlled way, whereas others switch to the compulsive, relapsing drug-seeking and -taking habits that characterize substance use disorder (SUD)? Despite more ...

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