AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

BIOLOGY OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What brain waves are produced when one is awake but relaxed?
A
Alpha Waves
B
Beta Waves
C
Theta Waves
D
Delta Waves
Explanation: 

Detailed explanation-1: -Alpha waves are seen in the electroencephalogram (EEG) during a normal wakeful state where the subject is quietly resting. Beta EEG are present when a person is alert/attentive and thinking actively. Theta rhythm (Stage 1) of sleep is present during the transition from wakefulness to sleep.

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: -Just below gamma waves on the spectrum are the beta waves. These waves fall into the 12-38 Hz range. These are the brain waves that dominate when you’re awake, alert, and engaged.

Detailed explanation-4: -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-5: -THETA (4-8 Hz) Theta waves are strong during internal focus, meditation, prayer, and spiritual awareness. It reflects the state between wakefulness and sleep and relates to the subconscious mind. It is abnormal in awake adults but is perfectly normal in children up to 13 years old. It is also normal during sleep.

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