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Reinforcement
Reinforcement . A purely behavioral and descriptive term for the relationship between the occurrence of a stimulus and changes in the subsequent probability of the behavior that preceded it. Reinforcement denotes a change in the probability of a behavior (increased or decreased) that is contingent on presentation of stimuli.
Author: Valery Yevarouski
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Reinforcement
In behavioral psychology, reinforcement is a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus. This strengthening effect may be measured as a higher frequency of behavior (e.g., pulling a lever more frequently), longer duration (e.g., pulling a lever for longer periods of time), greater magnitude (e.g., pulling a lever with greater force), or shorter latency (e.g., pulling a lever more quickly following the antecedent stimulus).
Author: Valery Yevarouski
Reward
Reward -- the process of reward is essentially equivalent to the process of incentive motivation; that is, reward refers to the process of creating incentives (or, as a noun, a stimulus that triggers this process). Rewards (or incentives) cause future behavior to be changed in a goal-directed fashion so as to obtain again the situation or stimulus that triggered the process. This process normally requires three separate stages. The first stage is the activation of pleasure by the consequences of a particular act or event. In the second stage pleasure is associated with a mental representation of the object, act, event or place in which pleasure occurred, by the process of classical (associative) conditioning. The third stage involves the attribution of incentive salience to subsequent perceptions and representations of the associated object, act, event or place, which causes them to become ‘wanted’
Author: Valery Yevarouski
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reward system
The reward system is a group of neural structures responsible for incentive salience (i.e., "wanting" or desire), pleasure (i.e., "liking" or hedonic value), and positive reinforcement (i.e., learning). Reward is the attractive and motivational property of a stimulus that induces appetitive behavior – also known as approach behavior – and consummatory behavior.[1] In its description of a rewarding stimulus (i.e., "a reward"), a review on reward neuroscience noted, "any stimulus, object, event, activity, or situation that has the potential to make us approach and consume it is by definition a reward."[1] In operant conditioning, rewarding stimuli function as positive reinforcers;[1] the converse statement is also true: positive reinforcers are rewarding
Author: Valery Yevarouski
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rumination
rumination

obsessive thinking about an idea, situation, or choice especially when it interferes with normal mental functioning; specifically :  a focusing of one's attention on negative or distressing thoughts or feelings that when excessive or prolonged may lead to or exacerbate an episode of depression.

Rumination, or recursive self-focused thinking, has important implications for understanding the development  and maintenance of depressive episodes. Rumination is associated with the worsening of negative mood states,  greater affective responding to negative material, and increased access to negative memories.
Author: Valery Yevarouski
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