Beta (β) waves (13-30 Hertz) , are ________.
A) fast, irregular, low-intensity waves typical of brains that are awake and active
B) more regular or consistent in their shape found in awake, but drowsy brains
C) low-intensity sleep waves that are found in stage 1 sleep
D) are even lower-frequency sleep waves found in slow-wave sleep (SWS)
Correct Answer:
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Q21: Sleep signs can be observed using a
Q22: A polysomnograph involves the combined recording of
Q23: An _ assesses brain wave activity.
A) EKG
B)
Q24: An _ assesses eye movements.
A) EKG
B) EEG
C)
Q25: An _ assesses muscle tension.
A) EKG
B) EEG
C)
Q27: Alpha (α) waves (8-12 Hertz), are _.
A)
Q28: Theta (θ) waves (3-7 Hertz), are _.
A)
Q29: Delta (δ) waves (0.5-3 Hertz), are _.
A)
Q30: Toward morning, non-REM sleep is characterized mostly
Q31: _ is a seasonal rhythm characterized by
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