Examlex
What is the total number of valence electrons in one molecule of H₂O₂?
Sleep Spindles
Sudden bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of sleep, associated with learning, memory consolidation, and synaptic plasticity.
REMs
Rapid Eye Movements, referring to the quick, darting movements of the eyes during certain stages of sleep associated with dreaming.
Psychoactive Drug
A chemical substance that changes brain function and results in alterations in perception, mood, or consciousness.
Withdrawal
The process of reducing dependence on or quitting a substance, activity, or habit, often leading to uncomfortable symptoms.
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