AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

BIOLOGY OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When does alpha waves occur
A
REM sleep
B
Stage 2
C
Awake, relaxed
D
Stage 4
Explanation: 

Detailed explanation-1: -Alpha waves in healthy, awake adults occur while resting with the eyes closed. They disappear during sleep and vanish when there is concentration on a specific task. The rhythm of alpha waves may have a frequency between 8 and 13 Hz. Alpha waves are maximal over the occipital region.

Detailed explanation-2: -Alpha waves are also present when a person is awake and relaxing, such as with the eyes closed. View Source or during meditation. View Source . Alpha wave production is associated with states of creativity.

Detailed explanation-3: -Alpha waves, which measure between 8 and 12 Hz, occur when people feel relaxed and when the brain is in an idle state without concentrating on anything. Beta waves, which measure between 12 and 30 Hz, are the waves that occur during most conscious, waking states.

Detailed explanation-4: -Regular meditation has been shown to increase alpha waves – your relaxation brain waves – and reduce beta waves – the brain waves of active thought and learning. That’s why it’s most commonly recommended for reducing stress.

Detailed explanation-5: -The early portion of stage 1 sleep produces alpha waves, which are relatively low frequency (8–13Hz), high amplitude patterns of electrical activity (waves) that become synchronized (Figure SC. 8). This pattern of brain wave activity resembles that of someone who is very relaxed, yet awake.

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