| Summary: | Previous reports have suggested that canine self-control is sensitive to fatigue and that an initial act of behavioral inhibition (sit-stay 10 min) relative to a control condition (cage 10 min) can deplete self-control, increase risk-taking, and reduce subsequent persistence on a puzzle task. Glucose, but not a calorie-free placebo drink has been shown to replenish this depletion. The current study sought to complement and extend these findings by examining whether initial exertion of self-control would also affect canine working memory as measured by search accuracy on a subsequently administered invisible displacement rotation task. The results evidenced that initial self-control exertion (relative to the control condition) resulted in poorer search accuracy. The consumption of glucose did not have a replenishing effect. If anything, glucose was associated with poorer search accuracy.
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