Passive visual stimulation induces fatigue under conditions of high arousal elicited by auditory tasks.

What is it about?

In order to prove that fatigue in the brain results from overwork of specific, task-relevant neuronal populations, in this work visual fatigue is induced in an experimental setting as a result of extended stimulation. Across experiments, various measures of subjective feeling, objective task performance and physiological indices are related one to another to shed light on this fundamental aspect of everyday life.

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Why is it important?

It contributes to understanding how agents become fatigued, which has many implications for the optimal management of this pervasive phenomenon in the long run. Moreover, we report for the first time the presence of behavioral consequences of visual stimulation which interacts with the demands of concurrent auditory stimuli, a situation we find ourselves in daily.