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The Paradoxical Effect of Deep Brain Stimulation on Memory
Shawn Zheng Kai Tan1, Man-Lung Fung1, Junhao Koh1
1School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.
Aging and Disease
|February 4, 2020
Summary
Deep brain stimulation (DBS) can paradoxically enhance or disrupt memory. This review explores how DBS timing influences its effects on memory, proposing a model for its bidirectional impact.
Area of Science:
- Neuroscience
- Neuromodulation
- Cognitive Science
Background:
- Deep brain stimulation (DBS) shows potential for treating memory-related disorders like dementia, anxiety, and addiction.
- DBS presents a paradox: treatments for dementia aim to improve memory, while those for anxiety/addiction aim to suppress maladaptive memories.
Purpose of the Study:
- To review hypotheses on how DBS influences memory.
- To consolidate current research on DBS effects on memory.
- To explain the bidirectional nature of DBS in memory disruption and enhancement.
Main Methods:
- Literature review of existing studies on DBS and memory.
- Analysis of key hypotheses regarding DBS mechanisms.
- Synthesis of findings to identify patterns in DBS effects.
Main Results:
- DBS exhibits bidirectional effects, capable of both enhancing and disrupting memory functions.
- The timing of DBS application appears critical in determining its impact on memory.
Conclusions:
- A consolidated model is proposed where DBS timing is a key factor in its dual role in memory.
- Understanding DBS timing is crucial for optimizing its therapeutic application in memory-related disorders.
