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sleep spindle
physiology
Also known as: transient beta oscillation
Learn about this topic in these articles:
neural oscillation
- In neural oscillation: Types of brain rhythms
…the absence of movement, while transient beta oscillations (or sleep spindles) are present in the thalamocortical system during the early stages of sleep. Gamma oscillations (30–120 Hz) are present in nearly all structures and all brain states, although they dominate in the aroused, attentive brain. The transient ripple pattern (130–200…
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study of sleep
- In sleep: NREM sleep
…waves of 11–15 Hz (“sleep spindles”). Some research suggests that stage 2 represents the genuine first stage of sleep and that the appearance of spindles, resulting from specific neural interactions between central (thalamus) and peripheral (cortex) brain structures, more reliably represents the onset of sleep. Stage 2 is also…
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