Sarah picks up her spoon, turns over her cup and begins to tap on it. According to Piaget, this
experimentation is typical of toddlers from 12-18 months of age who are in which substage of
sensorimotor?
a. Primary circular reactions
b. Secondary circular reactions
c. Tertiary circular reactions
d. Beginning of mental representation
c. Tertiary circular reactions
Psychology
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What relatively rare sleep disorder involves people acting out the movements and events of their dreams?
A) Insomnia B) Narcolepsy C) REM behavior disorder D) Sleep apnea
Psychology
Which of the following types of physical activation have been found to occur during REM sleep?
A) The muscles of the middle ear become active. B) The salivary glands in the mouth become active. C) The Raffini corpuscles in the nose become active. D) The ciliary muscles of the lungs become active.
Psychology