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Electroencephalography Lab Exam with correct Answers
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Electroencephalography Lab Exam with correct Answers
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Electroencephalography Lab Exam withcorrect Answers
What iiare iiEEG iisignals iiaffected iiby? ii- iiAnswers ii-the iistate iiof iiarousal iiof iithe iicerebral
iicortex, iiand iistimulation iifrom iiexternal iienvironment
What iido iiEEG iisignals iishow? ii- iiAnswers ii-Characteristic iichanges iiin iidifferent iistages
iiof iisleep
What iidoes iiEEG iirecord? ii- iiAnswers ii-electricity iiactivity iiin iithe iibrain
What iidoes iiEEG iiresult iifrom? ii- iiAnswers ii-slow iichanges iiin iithe iimembrane iipotentials
iiof iicortical iineurons, iiespecially iiEPSPS iiand iiIPSP.
What iidoe iithe iiEEG iireflect? ii- iiAnswers ii-the iialgebraic iisum iiof iithe iielectrical iipotential
iichanges iioccurring iifrom iilarge iipopulations iiof iicells
When iiare iialpha iiwaves iiseen? ii- iiAnswers ii-subject iirelaxed, iieyes iiclosed., iithus
iithought iito iiindicate iicorticol iiactivation.
How iidoes iigreater iicortical iiactivation iiaffect iialpha iiactivity? ii- iiAnswers ii-lowers iiit
When iiare iibeta iiwaves iiseen? ii- iiAnswers ii-awake, iialert, iieyes iiopen.
When iiare iitheta iiwaves iiseen? ii- iiAnswers ii-not iiin iiadults, iimore iiin iichildren. iiNormal
iiduring iisleep iiat iiall iiages
When iiare iigamma iiwaves iiseen? ii- iiAnswers ii-higher iimental iiactivity.
What iiare iithe iitwo iistages iiof iisleep? ii- iiAnswers ii-Non-REM iiand iiREM
What iiis iiNon-REM iisleep iidescribed iiin? ii- iiAnswers ii-four iistages, iiprogressive
iiincrease iiin iisensory iithresholds, iiincrease iiin iiEEG iiwave iiamplitude, iiand iidecrease iiin
iiEEG iiwave iifrequency.
What iiis iistage ii1 iiof iinon-rem iisleep iimarked iiby? ii- iiAnswers ii-drowsiness iiand iidrifting
iiin iiand iiout iiof iiconsciousness
When iidoes iiREM iisleep iioccur? ii- iiAnswers ii-After iiall iifour iistages iiof iinon-rem
iihappen.
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