When an individual's arousal level is high, their performance quality on a task drops significantly. This state of overarousal is characterized by high anxiety.

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Performance on a task is maximized at a medium, optimal level of arousal. Performance quality tapers off during states of underarousal and overarousal.

Optimal Arousal Level and Performance

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

When an individual's arousal level is low, their performance quality on a task is also low. This state of underarousal is characterized by feelings of boredom or apathy.

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