What changes in sleep may be associated with lowered levels of serotonin in depressed people?
a) increased REM sleep
b) decreased REM sleep
c) REM period ending later in the sleep cycle
d) REM sleep beginning later in the sleep cycle
a
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In class, evidence was presented about how 2-year-olds requested that their caregivers retrieve a toy that was placed on a high shelf. The key manipulation was whether the caregiver had been in the room when the toy was initially put on the shelf. Results of this study were used as evidence to support which of the following arguments:
a. young children are not always egocentric in the way they communicate b. young children usually show evidence of being egocentric in their communication c. young children have a greater capacity to engage in selective attention than was suggested by Piaget's theory d. young children have substantial difficulty engaging in selective attention
The tendency to recall things that are presented at the beginning of a sequence is called the __________ effect
a) serial position b) recency c) primacy d) sequence order