EEG B1 y o Fac Lesson A. Complete Table 4.1 with the amplitudes of the recorded

Question

EEG B1 y o Fac Lesson A. Complete Table 4.1 with the amplitudes of the recorded data in the control and experimental conditions. Calculate the difference for the Alpha-RMS Mean between the Experimental Conditions and the Control, and then summarize whether the Experimental Mean was larger (+.) smaller (-or the same (as the Control Mean. Table 4.1 Alpha-RMS Alpha-RMS Summary EEG Alpha Alpha-RMS Difference (Exp.-Control) Condition 411 L Mean-_1 |0.122.02. 10.14450 tyrerenaatin41.46704 0.41380.52242 10.30113 Eyes closed (Control) 1-1519 10.48069 12.8102 |0.15 b1) 0.05458 Mental arithmetic Recovering from 12.02 7021012995 lo13424|-0.031551 Eyes open uency Hz hat is the frequency of an alpha rhythm from "Eyes closed" data? es this agree with the expected values? Yes No 140

Explanation / Answer

Alpha-RMS mean for the control is 0.21519. Alpha RMS difference between experimental and control for mental arithmetic is -0.059 and eyes open is - 0.031 indicating control values are higher than experimental. During recovery from hyperventilation, alpha RMS difference is + 0.30 indicating experimental value is higher than normal value. Frequency of alpha rhythm from eyes closed data is 0. 215.

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