Examlex
In the presence of an ovum, sperm become hyperactivated and they swim more vigorously
Electroencephalography
A method of recording electrical activity of the brain through electrodes placed on the scalp.
Reticular Formation
A network of neurons located in the brainstem that plays a key role in controlling arousal, wakefulness, and focusing attention.
Sleep
A state of rest characterized by altered consciousness, reduced activity, and a decreased response to external stimuli.
Arousal
A physiological and psychological state of being awake or reactive to stimuli, often associated with increased heart rate, alertness, and energy.
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