EEG Troubleshooting Quiz

Froggy Jumps

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EEG issues & artifacts

anis syazwana

Malaysia

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EEG Troubleshooting Quiz


Froggy Jumps EEG Troubleshooting QuizVersion en ligne EEG issues & artifacts par anis syazwana 1 Which issue often causes poor EEG signal due to poor connection? a High amplifier gain b Brain rhythm changes c Poor electrode contact 2 High electrode impedance leads to which outcome? a Reduced signal quality b Increased signal clarity c Faster data processing 3 Which artifact is caused by facial muscles? a Movement artifact b Muscle artifact c Power line interference 4 Movement artifact is primarily due to what? a Subject movement b Electrode gel saturation c Environmental noise 5 What indicates a weak or absent EEG signal? a Perfect alpha rhythm b Very low amplitude or flatline c High-frequency bursts 6 Abnormal baseline in EEG often indicates? a Drift or artifact affecting baseline b Normal sleep stage pattern c Improved signal stability 7 A common source of EEG signal noise is? a Neural synchrony b Baseline drift c Power line interference 8 How can electrode impedance be reduced during setup? a Re-prepare skin and reapply gel b Delay recording until later c Increase amplifier gain 9 Baseline drift in EEG is often caused by? a Artifact affecting baseline b Increased skull capacitance c Sudden voltage spikes 10 Intermittent contact with scalp is an indicator of which issue? a Muscle artifact b Power line interference c Poor electrode contact