AnswersL03-F10

AnswersL03-F10 - Lesson 3 ELECTROENCEPHALOGRAPHY I EEG I...

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Lesson 3 ELECTROENCEPHALOGRAPHY I EEG I DATA REPORT ANSWER GUIDE I. Data and Calculations Subject Profile Name Height Age Weight Gender: Male or Female A. EEG Amplitude Measurements Complete Table 3.2 with Standard Deviation measurements: Table 3.2 Standard Deviation [stddev] Rhythm Channel Eyes Closed Eyes Open Eyes Re-closed Alpha CH 2 Beta CH 3 Delta CH 4 Theta CH 5 The Alpha standard deviation will be higher for eyes closed than eyes open. Beta standard deviation will not change systematically. The amplitude values are generally lower for lab situations than reported in Table 3.1 in the Introduction, repeated here for easy reference: Typical Amplitudes of Synchronized Brainwaves Rhythm Typical Amplitude ( μ V) alpha 20-200 beta 5-10 delta 20-200 theta 10
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Page 2 Biopac Student Lab B. EEG Frequency Measurements Complete Table 3.3 with the frequencies for each rhythm and calculate the mean frequency: Table 3.3 Frequency (Hz) Rhythm Channel Cycle 1 Cycle 2 Cycle 3 Mean Alpha CH 2 Beta CH 3 Delta CH 4 Theta CH 5 Frequencies were listed in Table 3.1 in the Introduction, repeated below for reference:
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AnswersL03-F10 - Lesson 3 ELECTROENCEPHALOGRAPHY I EEG I...

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