Acetylcholine (ACh) levels in the brain are high during _______________ sleep but lower during ______________ sleep.
A. REM; wakefulness and NREM
B. NREM; wakefulness and REM
C. wakefulness and REM; NREM
D. wakefulness and NREM; REM
Answer: C
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As a behavioral geneticist, Juan would most likely be studying a. the maze-learning behavior of rats
b. the evolution of intelligence. c. a gene that is believed to cause shyness. d. the physiological structure of a gene.
One disadvantage associated with mind wandering is:
A) a greater propensity to hallucinate. B) lowered levels of creativity. C) feelings of unhappiness. D) a greater propensity to abuse drugs and alcohol.
Children with learning disabilities will face obstacles throughout their entire lives
Indicate whether this statement is true or false.
Most standardized tests of intelligence have a distribution of scores that __________
a) follows the normal curve. b) has a positive skew. c) has a negative skew. d) appears bimodal with two peaks of high frequency.