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Published on: June 19, 2019
Sleep, cognition, and electrophysiology: Intersecting pathways in childhood cancer
Andrea Sanchez-Corzo1, Zachary Loschinskey2, Miguel Navarrete3
1Department of Radiology, St. Jude Children's Research Hospital, Memphis, TN, United States.
Insights
Pediatric cancer survivors often experience cognitive dysfunction and poor sleep quality. This review explores how electrophysiology may link sleep disturbances and cognitive impairments, suggesting neuromodulation therapies for improved outcomes.
Area of Science:
- Neuroscience
- Pediatric Oncology
- Sleep Medicine
Background:
- Pediatric cancer survivors face significant long-term cognitive dysfunction.
- Poor sleep quality is prevalent in this population, impacting well-being.
- Sleep's role in memory consolidation and cognitive function is established.
Purpose of the Study:
- To review the convergence of sleep disturbances and cognitive impairments in pediatric cancer survivors.
- To propose electrophysiology as a mechanistic link between sleep and cognition in this group.
- To identify potential therapeutic interventions for sleep and cognitive enhancement.
Main Methods:
- Literature synthesis on sleep, cognition, and electrophysiology in general and pediatric populations.
- Identification of knowledge gaps regarding electrophysiological differences in pediatric cancer survivors.
- Review of neuromodulation techniques for potential therapeutic applications.
Main Results:
- The relationship between sleep disturbances and cognitive impairments in pediatric cancer survivors requires further investigation.
- Electrophysiological anomalies are suspected but not yet characterized in this population.
- Neuromodulation techniques show promise for future interventions.
Conclusions:
- Electrophysiology may serve as a bridge to understand the link between sleep and cognitive deficits in pediatric cancer survivors.
- Characterizing electrophysiological anomalies is crucial for developing targeted therapies.
- Further research is essential to improve care and quality of life for childhood cancer survivors.
Abstract:
Survivors of pediatric cancer are at high risk of long-term cognitive dysfunction. This problem is exacerbated as this population often reports poor sleep quality, which can negatively affect well-being. Sleep-related brain activity is known to influence cognitive development by regulating memory consolidation and cognitive functioning. However, the differences in sleep-related brain activity between healthy controls and pediatric cancer survivors are unclear. This review examines how sleep disturbances and cognitive impairments converge in survivors of childhood cancer, and proposes electrophysiology as a possible mechanistic bridge between these domains. We synthesize what is known from the general population and pediatric samples, highlight the critical need to investigate electrophysiological anomalies in pediatric cancer survivors, and suggest that neuromodulation techniques such as transcranial direct stimulation, transcranial magnetic stimulation, and sensory stimulation may be viable therapeutic interventions to enhance both sleep quality and cognitive function once possible anomalies are characterized in this population. Our review emphasizes the need for additional research to understand the complex relationship between sleep and cognition in pediatric cancer survivors to improve patient care and quality of life.
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