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Results and Discussions (1/6)

Results and Discussions (1/6). Table 1. Average theta EEG on good and poor sleepers. Results and Discussions (2/6 ) . Mean theta amplitude for each task exhibited a lower value on the good sleepers as compared to the poor sleepers

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Results and Discussions (1/6)

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  1. Results and Discussions (1/6) Table 1. Average theta EEG on good and poor sleepers

  2. Results and Discussions (2/6) • Mean theta amplitude for each task exhibited a lower value on the good sleepers as compared to the poor sleepers • First and last tasks good sleepers tend to have a suppressed theta after the experiment • Pre- vs. post- (14.72%) • Smaller change for poor sleepers • Pre- vs. post- (4.32%)

  3. Results and Discussions (3/6) Fig. 3. Mean theta μV values for good versus poor sleepers on six tasks

  4. Results and Discussions (4/6) • Lowest theta amplitude at third test • Highest theta while listening to clip • Poor sleepers reflect higher mean theta amplitude • Poor sleepers have harder time to focus during auditory test

  5. Results and Discussions (5/6) Auditory stimulation vs. Visual stimulation Poor sleeperGood sleeper 13.54% vs. 3.19%

  6. Results and Discussions (6/6) • Poor sleepers demonstrated: • Almost 25% difference in peak amplitude in comparison to its good sleeper counterpart • 23.51% increasein amplitude after task 3 (eyes close) • 13.54% decrease in task 5 (visual stimulation) as compared to task 4 (audio stimulation). Fig. 4. Analysis of the audio and visual biofeedback for good and poor sleepers.

  7. Conclusions • The current research confirms that there can be significant differences between good and poor sleepers using the prefrontal EEG by measuring and studying their EEG • Prefrontal EEG can be conveniently used for future measurements of attention, poor sleep, or fatigue research • Significant differences can easily be detected after audio stimulation

  8. Acknowledgments: We would like to thank National Science Council, for providing financial support for this project through NSC99-2221-E-218-012.

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