Examlex
The smallest living units of structure and function in the body are:
Reticular Activating System
A network of neurons in the brainstem that plays a key role in regulating wakefulness and sleep-wake transitions.
Cerebral Cortex
The outer layer of the cerebrum composed of gray matter and consisting mainly of nerve cell bodies.
Alpha Rhythm
A pattern of smooth, regular electrical oscillations in the human brain typically occurring when a person is awake but relaxed, usually in the frequency range of 8-12 Hz.
Theta Rhythm
A pattern of brainwave activity, typically in the range of 4-8 Hz, associated with stages of sleep and meditative states.
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