Loss of ability to experience pleasure may be associated with early-onset dementia

Experts from the University of Sydney (Australia) have found that the early onset of dementia causes loss of the ability to experience pleasure from simple and everyday pleasurable events. The work was published in the journal Brain.

People with early-onset dementia are often misdiagnosed with depression. A new study has clarified that this is caused by the degeneration of centers in areas of the brain that engage pleasure mechanisms. As a result of such disorders, people develop anhedonia - the loss of the ability to enjoy simple things: a delicious meal, a beautiful sunset, listening to your favorite music, etc.

The study involved 172 volunteers who underwent brain imaging to analyze gray matter density. Decreased density in the frontal parts of the brain was indicative of disturbances in the pleasure centers.

The results showed for the first time that anhedonia is a typical symptom of early dementia.

April 13, 2021, 11:57 a.m.

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