Home / Health / Sleep Loss Rewires Brains, Affecting Decisions & Emotions
Sleep Loss Rewires Brains, Affecting Decisions & Emotions
27 Jul
Summary
- Poor sleep alters brain areas tied to attention and emotional control.
- Parasomnias linked to changes in brain regions for motivation and decision-making.
- Both dyssomnias and parasomnias reduce activity in the brain's thalamus.
New research indicates that sleep disorders, including insomnia, lead to significant structural alterations in key brain regions responsible for attention, decision-making, and emotional regulation. These changes highlight a growing urgency to understand the neurological impact of insufficient sleep.
Scientists reviewed 57 brain imaging studies, finding that parasomnias like sleepwalking and nightmare disorder are associated with changes in the posterior cingulate cortex. This region's alteration may explain mood and behavioral shifts observed in individuals with these conditions.
Furthermore, both parasomnia and dyssomnia disorders were linked to reduced activity in the thalamus, a crucial area for filtering information and supporting concentration. These findings could pave the way for earlier diagnosis and more personalized treatment strategies for millions affected by sleep disturbances.
