Narcolepsy is characterized by ______
a. absence of REM sleep b. unusually low levels of oxygen in the blood during REM sleep
c. unusually high muscle tension during NREM sleep
d. unexpected periods of sleep during the day
D
Psychology
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A 3-month-old infant who sucks her thumb, discovers that it is pleasurable, and sucks it again is demonstrating Piaget's concept of ______ circular reactions
Fill in the blank with correct word
Psychology
Dr. Oliver Sacks is well known for use of the scientific method of
A) case study B) survey C) correlational study D) SES
Psychology