Examlex
Concrete Operational Thought
A stage of cognitive development in children, as defined by Piaget, where they can think logically about concrete events but struggle with abstract concepts.
Sleep Terrors
Intense episodes of fear that occur during sleep, often accompanied by screaming, kicking, or panicking, without the sleeper fully waking up.
Nightmares
Disturbing dreams that cause the dreamer to wake up feeling stressed, scared, or anxious, often recalling the dream vividly.
REM Sleep
A stage of sleep characterized by rapid eye movements, during which dreaming often occurs and brain activity closely resembles that of being awake.
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