MedPuddle

January 3, 2011

Losing Sleep? Losing Brain.

Filed under: Uncategorized — DoNP @ 11:41 pm

Excerpt from ScienceDaily January 29, 2010:

“We show, for the first time, that insomnia patients have lower grey matter density in brain regions involved in the evaluation of the pleasantness of stimuli, as well as in regions related to the brain’s ‘resting state’. The more severe the sleeping problems of insomniacs, the less grey matter density they have in the region involved in pleasantness evaluation, which may also be important for the recognition of optimal comfort to fall asleep,” explained Altena. She added, “Our group previously showed that insomniacs have difficulties with recognizing optimal comfort. These findings urge further investigation into the definition of subtypes of insomnia and their causal factors, for which we have now initiated the Netherlands Sleep Registry.”

Dr. John Krystal, Editor of Biological Psychiatry, commented, that “insomnia is a common feature of nearly every psychiatric condition associated with reduced cortical volume; in fact, it is a common symptom of psychiatric disorders or high levels of life stress, generally. The study by Altena and colleagues suggests that there are additional risks of not treating insomnia, such as detrimental effects on the microstructure of the brain.”

 

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