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Updated: Feb 12, 2026

Assessing Pupil-linked Changes in Locus Coeruleus-mediated Arousal Elicited by Trigeminal Stimulation
Published on: November 26, 2019
James Danckert1, Tina Hammerschmidt1, Jeremy Marty-Dugas1
1Department of Psychology, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, Ontario, Canada.
This study investigated boredom as a high or low arousal state. Findings indicate boredom is linked to increased mind-wandering and sleepiness, suggesting it may be a low arousal state.
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