Study objectives: To assess spindle activity as possible markers for neurocognitive consequences in children with mild obstructive sleep apnea. Methods: Children aged 6–11 years diagnosed with mild OSA (i.e., an apnea hypopnea index
Background: Childhood generalized anxiety disorder (GAD), characterized by uncontrollable worry, is associated with long-term psychopathology risk, yet understanding of developmental trajectories is limited. Despite common complaints about sleep, ‘macro’ sleep abnormalities have not been identified. Emerging findings suggest micro-architectural features of sleep, including sleep spindles, differentiate various psychiatric populations.
The existence of two different types of sleep spindles (slow and fast) is well-established, according to their topographical distribution at scalp- and cortical-level. Our aim was to provide a systematic investigation focused on the temporal evolution of sleep spindle sources during non-rapid eye movement (NREM) sleep. Spindle activity was recorded and automatically detected in 20 healthy subjects. Low resolution brain electromagnetic tomography (LORETA) was applied for the EEG source localization.
Sleep has a crucial role in memory processes, and maturational changes in sleep electrophysiology
are involved in cognitive development. Albeit both sleep and memory alterations have
been observed in Developmental Dyslexia (DD), their relation in this population has been scarcely
investigated, particularly concerning topographical aspects. The study aimed to compare sleep
topography and associated sleep-related declarative memory consolidation in participants with DD
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