Perseverance, also commonly referred to as grit or industriousness, is the continued effort exerted to complete goal-directed tasks. Many factors, such as stress, can contribute to perseverative ...

The current experiments examined the effects of acute or repeated, intermittent administrations of cocaine on the acquisition and reversal of object discriminations by Vervet monkeys in order to test ...

Depression and anxiety are mediated by rumination and worry. They are perseverative and negative towards oneself, and demand attention. Rumination is past-oriented, repetitive thoughts concerning ...