نتایج جستجو برای: reward system
تعداد نتایج: 2253502 فیلتر نتایج به سال:
BACKGROUND Drug addiction is characterized by an unhealthy priority for drug consumption with a compulsive, uncontrolled drug-intake pattern due to a disordered motivational system. However, only some individuals become addicted, whereas others maintain regular but controlled drug use. Whether the transition occurs might depend on how individuals process drug relative to nondrug reward. METHO...
Despite the high prevalence of stress exposure healthy adaptation or resilience is a common response. Theoretical work and recent empirical evidence suggest that a robust reward system, in part, supports healthy adaptation by preserving positive emotions even under exceptionally stressful circumstances. We tested this prediction by examining empirical relations among behavioral and self-reporte...
Objectives The aim of this study is to determine the role of impulsivity, sensitivity to reward and also anhedonia in distinction People with symptoms of borderline personality disorder from normal people. Methods This study uses both the descriptive and correlative method. The sampling method was sampling and targeting type. The samples comprised of students from Tabriz University (2016-2017 ...
Background: Cost-benefit decision-making is a one of the decision-making models in which the animal achieves a final benefit (reward) by evaluating the cost (effort or delay). The role of different brain regions such as nucleus accumbens in this process has been proven. Orexin is a neuropeptide expressed exclusively by lateral hypothalamus area neurons and orexin-producing neurons project their...
BACKGROUND Adolescence is associated with developments in the reward system and increased rates of emotional disorders. Familial risk for depression may be associated with disruptions in the reward system. However, it is unclear how symptoms of depression and anxiety influence the development of reward-processing over adolescence and whether variation in the severity of parental depression is a...
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