Cognitive Judgment Bias Interacts with Risk Based Decision Making and Sensitivity to Dopaminergic Challenge in Male Rats.

Interrelation Between Cognitive Judgement Bias and Sensitivity to Dopaminergic Stimulation in the Apomorphine Test After the administration of APO, the intensity of stereotyped climbing (Mann-Whitney U = 82) and licking behaviors (Mann-Whitney U = 85) did not differ between the “optimists” and “pessimists”; however, “optimism” was associated with significantly (Mann-Whitney U = 62.5, p ≤ 0.05) more intense gnawing behavior (Figure 6A ) and a statistical trend (Mann-Whitney U = 66.5, p = 0.088) towards less intense sniffing (Figure 6A ).

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