1. One can learn to control alpha brain-wave patterns through the use of _____ techniques.
A. reciprocal inhibition
B. biofeedback
C. mnemonic
D. invasive therapy
2. Kara has just fallen asleep and immediately slips into REM. Kara has probably experienced or undergone
A. sleep deprivation
B. alcohol overdose
C. NREM rebound
D. biofeedback training
3. During sleep, there is
A. no awareness of external stimuli
B. no awareness of either external or internal stimuli
C. awareness of all external stimuli
D. selective awareness of external stimuli