Changing the sensitivity setting in EEG causes what effect?

Dive into the Spriggs Essentials Sleep Technicians Exam. Familiarize yourself with multiple-choice questions, hints, and explanations to ace your test and advance your skills in sleep technology!

Changing the sensitivity setting in EEG primarily affects the alteration in pen movement. Sensitivity in an EEG refers to the scale used to record electrical activity from the brain. By adjusting this setting, you modify how much brain electrical activity is amplified on the recording paper or screen, which directly impacts how the waveform is presented visually.

Higher sensitivity makes smaller electrical signals more pronounced, resulting in taller peaks and deeper troughs in the recorded waveforms. This adjustment allows clinicians to better visualize the signals for accurate analysis. Conversely, lowering the sensitivity compresses the waveform features, which can make it harder to discern subtle changes in brain activity.

This aspect of sensitivity is crucial for technicians as it provides a clearer depiction of brain signals, allowing for improved interpretation and diagnosis when analyzing the EEG data.

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