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Dementia's "Lost" Memories May Return: New Hope
16 Aug
Summary
- Dementia patients can experience "paradoxical lucidity" moments.
- New research network aims to define and understand lucid episodes.
- Understanding lucidity could lead to memory recovery methods.
Individuals with dementia can experience periods of "paradoxical lucidity," brief moments where their cognitive function appears to temporarily improve. Carers frequently observe these episodes, which can last from minutes to hours, offering a glimpse of preserved selfhood.
The upcoming Lucidity in Alzheimer's and Dementia (LEAD) Network, commencing this autumn, aims to formally define lucidity. It will also study its effects on caregivers and families, and explore the biological mechanisms behind these clearer spells.
Researchers hypothesize that lucidity may stem from the brain's underlying "substrate," a part that retains the capacity for normal or even enhanced function. Understanding these moments could unlock pathways to protect against dementia and potentially recover lost memories.
