something interesting. The observation of curiosity even in the absence of novel stimuli pinpoints one of the major shortcomings in the curiosity-drive model.

Optimal-arousal theory

Optimal-arousal theory developed out of the need to explain this desire to seek out opportunities to engage in exploratory behaviors without the presence of uncertain or ambiguous situations. Optimal-arousal suggests that one can be motivated to maintain a pleasurable sense of arousal through such exploratory behaviors.

When a stimulus is

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