What Causes Sleep Spindles
Sleep Spindles Are Bursts of Neural Oscillatory Activity That Are Generated by Interplay of the Thalamic Reticular Nucleus (Trn) and Other Thalamic Nuclei...
Sleep spindles are bursts of neural oscillatory activity that are generated by interplay of the thalamic reticular nucleus (TRN) and other thalamic nuclei during stage 2 NREM sleep in a frequency range of ~11 to 16 Hz (usually 12–14 Hz) with a duration of 0.5 seconds or greater (usually 0.5–1.5 seconds).
Which sleep stage do spindles occur in?
Sleep spindles are characteristic electroencephalogram (EEG) signatures of stage 2 non-rapid eye movement sleep. Implicated in sleep regulation and cognitive functioning, spindles may represent heritable biomarkers of neuropsychiatric disease.
What are spindles in the brain?
Cognitive Psychology of Memory Sleep spindles are bursts of coherent brain activity visible on the EEG, which are most evident during stage 2 sleep. They consist of brief 11- to 16-Hz waves lasting 0.5–1.5 s.
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