Examlex
Match the following stages of sleep with their descriptions:
A) Stage 3
B) REM
C) Stage 4
D) Stage 1
E) Stage 2
-Indicated by movement of the eyes under the lids; dreaming occurs.
Concrete Operational
In Piaget's conceptualization of cognitive progression, a period where children acquire the capacity for logical thought about actual events.
Formal Operational
A stage in Piaget's theory of cognitive development where individuals are able to think abstractly and reason logically.
Socially Deprived Monkeys
Refers to monkeys that have been subjected to isolation or lack of social interaction, leading to extensive psychological and physical abnormalities, studied in ethology and psychology.
Mating Difficulty
Challenges or obstacles faced by individuals or species in finding a suitable partner for reproduction.
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