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
You might also like to view...
Theoretically, why should a face with average features seem attractive?
a. Average features suggest good health and good genes b. Average features suggest youth. c. Seeing an average face makes the viewer feel good by comparison. d. A face with average features is easy to recognize in a crowd.
Changing one's behavior just because other people are nearby is the gentlest form of social influence known as __________
Fill in the blank(s) with correct word
A) Describe the functions of the sympathetic and parasympathetic divisions of the autonomic nervous system. b) Provide a real-life example that demonstrates the effects of these two systems in humans
What will be an ideal response?
The stimulation of the senses is known as sensation
a. True b. False