Examlex
When Angel was placed in a crib with an older child that immediately started to cry, Angel tried to climb out of the crib. It was clear to his father that Angel was anxious about the situation. How old must Angel be to experience this emotion?
Stage 2 Sleep
Second stage of sleep, where a person is truly asleep; EEGs show K-complexes and sleep spindles, and there is much less conscious awareness of both the external world and inner mental activity.
K-Complexes
K-Complexes are a type of brainwave pattern seen on an EEG, typically associated with stage 2 sleep, characterized by a brief upsurge in brain activity.
EEGs
Short for Electroencephalograms, these are tests that measure electrical activity in the brain.
Sleepwalks
The act of walking or performing other complex behaviors while in a state of sleep.
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