What are the different classes of brain waves and their characteristics? I - Alpha waves are rhythmic waves observed in the occipital cortex, corr...
What are the different classes of brain waves and their characteristics?
I - Alpha waves are rhythmic waves observed in the occipital cortex, correlating with calm and relaxation moments in wakefulness.
II - Beta waves are rhythmic waves with higher frequency, occurring in moments of alertness and attention in visual stimuli.
III - Gamma waves also demonstrate cortical activation and alertness.
IV - Theta waves are considered abnormal in adults during wakefulness, but are physiological in children.
V - Delta waves are high amplitude and slow, representing deep sleep or states of anesthesia.
a) I, II, III, IV and V are correct.
b) I, II, III and V are correct.
c) II, III, IV and V are correct.
d) I, II, IV and V are correct.
I - Alpha waves are rhythmic waves observed in the occipital cortex, correlating with calm and relaxation moments in wakefulness.
II - Beta waves are rhythmic waves with higher frequency, occurring in moments of alertness and attention in visual stimuli.
III - Gamma waves also demonstrate cortical activation and alertness.
IV - Theta waves are considered abnormal in adults during wakefulness, but are physiological in children.
V - Delta waves are high amplitude and slow, representing deep sleep or states of anesthesia.
a) I, II, III, IV and V are correct.
b) I, II, III and V are correct.
c) II, III, IV and V are correct.
d) I, II, IV and V are correct.
💡 1 Resposta
Ed 
A resposta correta é a alternativa "b) I, II, III e V estão corretas". I - As ondas alfa são ondas rítmicas observadas no córtex occipital, correlacionando-se com momentos de calma e relaxamento na vigília. II - As ondas beta são ondas rítmicas com frequência mais alta, ocorrendo em momentos de alerta e atenção em estímulos visuais. III - As ondas gama também demonstram ativação cortical e alerta. IV - As ondas teta são consideradas anormais em adultos durante a vigília, mas são fisiológicas em crianças. V - As ondas delta são de alta amplitude e lentas, representando sono profundo ou estados de anestesia.
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