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While Sitting in a Quiet Waiting Room, Ronnie at First

question 189

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While sitting in a quiet waiting room, Ronnie at first is quite distracted by the clicking sound made by an old clock ticking away the seconds. However, after a few minutes, he no longer notices the ticking. This example best highlights the concept involved in:


Definitions:

N-Sleep

Refers to non-rapid eye movement (NREM) sleep, which encompasses stages 1 through 3 of the sleep cycle, involving deepening sleep and physiological rest.

Alpha Rhythms

Brainwaves detected through EEG, associated with relaxed, wakeful states, typically with closed eyes.

Beta Rhythms

A pattern of brain wave activity with a frequency of approximately 13 to 30 Hz that is associated with active thinking, focus, and concentration.

Delta Rhythms

Slow, high-amplitude brainwaves present in deep sleep, meditative states, and under certain pathological conditions, reflecting the deepest levels of relaxation and restorative processes in sleep.

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