The Triple Rhythm of Brain Waves during Non-REM Deep Sleep (IMAGE)

Institute for Basic Science

The Triple Rhythm of Brain Waves during Non-REM Deep Sleep

Caption

The electrical fields of groups of neurons in a certain region of the brain give rise to specific patterns of brain waves. Different areas of the brain generate characteristic squiggles of electroencephalogram (EEG) tracings. Peaks (up-states) represent neurons firing at the same time, while minima (down-states) are the sign of neuronal silence. Depending on the origin, frequency and shape, it is possible to distinguish slow oscillations from the cortex, spindles from the thalamus, and ripples from the hippocampus.

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IBS, photo modified from Phduet, freepik.com

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