Which of the following may prevent the sleeping brain from being aroused by external stimuli, thus, marking the true boundary of sleep?
a. alpha waves
b. beta waves
c. sleep spindles
d. a hypnic jerk
ANSWER: c
Psychology
You might also like to view...
Who developed the first practical intelligence scale?
A) Alfred Binet B) Lewis Terman C) William Stern D) David Wechsler
Psychology
What technique can a researcher do to analyze data that is collected on different scales?
a. linear transformation b. summing squares c. plotting data on a scatter diagram d. calculating the means
Psychology