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Exam (elaborations)

Electroencephalography Lab Questions With Solutions

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  • Course
  • Electroencephalography
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  • Electroencephalography

Electroencephalography Lab Questions With Solutions How does greater cortical activation affect alpha activity? lowers it When are beta waves seen? awake, alert, eyes open. When are theta waves seen? not in adults, more in children. Normal during sleep at all ages When are gamma waves seen?...

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  • October 26, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Electroencephalography
  • Electroencephalography
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UpperClass
Electroencephalography Lab Questions With
Solutions

How does greater cortical activation affect alpha activity? lowers it




When are beta waves seen? awake, alert, eyes open.




When are theta waves seen? not in adults, more in children. Normal during sleep at all

ages




When are gamma waves seen? higher mental activity.




What are the two stages of sleep? Non-REM and REM




What is Non-REM sleep described in? four stages, progressive increase in sensory

thresholds, increase in EEG wave amplitude, and decrease in EEG wave frequency.




What is stage 1 of non-rem sleep marked by? drowsiness and drifting in and out of

consciousness

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