ListarPSB_Articles por tema "motivation"
Mostrando ítems 1-12 de 12
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Changes in nucleus accumbens and neostriatal c-Fos and DARPP-32 immunoreactivity during different stages of food-reinforced instrumental training
Blackwells Publishing (2012)Nucleus accumbens is involved in several aspects of instrumental behavior, motivation and learning. Recent studies showed that dopamine (DA) release in the accumbens shell was significantly increased on the first day of ... -
Dopamine and Food Addiction: Lexicon Badly Needed
Elsevier (2013-05-01)Over the last few years, the concept of food addiction has become a common feature in the scientific literature, as well as the popular press. Nevertheless, the use of the term addiction to describe pathological aspects ... -
Effort-related motivational effects of the pro-inflammatory cytokine interleukin 1-beta: studies with the concurrent fixed ratio 5/ chow feeding choice task
Springer (2014-02)Rationale. Effort-related motivational symptoms such as anergia and fatigue are common in patients with depression and other disorders. Research implicates pro-inflammatory cytokines in depression, and administration of ... -
Energizing effects of bupropion on effortful behaviors in mice under positive and negative test conditions: modulation of DARPP-32 phosphorylation patterns
Springer (2021-09-09)Motivational symptoms such as anergia, fatigue, and reduced exertion of effort are seen in depressed people. To model this, nucleus accumbens (Nacb) dopamine (DA) depletions are used to induce a low-effort bias in rodents ... -
El fenómeno del sexting en chicos jóvenes que están en el sistema judicial juvenil: prevalencia y motivación
Asociación INFAD (2023)El sexting es un fenómeno basado en la recepción, envío y reenvío de mensajes de texto, fotos y/o vídeossexualmente sugerentes o explícitos a través de Internet y teléfonos móviles. Con el uso en expansión de las redessociales, ... -
Forebrain circuitry involved in effort-related choice: Injections of the GABAA agonist muscimol into ventral pallidum alter response allocation in food-seeking behavior
Elsevier (2008-03)Organisms often make effort-related choices based upon assessments of motivational value and work requirements. Nucleus accumbens dopamine is a critical component of the brain circuitry regulating work output in ... -
Impact of Fluoxetine on Behavioral Invigoration of Appetitive and Aversively Motivated Responses: Interaction With Dopamine Depletion
Frontiers Media (2021)Impaired behavioral activation and effort-related motivational dysfunctions like fatigue and anergia are debilitating treatment-resistant symptoms of depression. Depressed people show a bias towards the selection of low ... -
Insulin and Ventral Tegmental Dopamine: What's Impaired and What's Intact?
Elsevier (2013-04-02)Manipulations affecting mesolimbic dopamine transmission exert specific effects on normal and pathological aspects of motivation, altering some functions while sparing others. Labouèbe et al. (2013) show that insulin induced ... -
Motivational factors modulate left frontoparietal network during cognitive control in cocaine addiction
Wiley (2019)Cocaine addiction is characterized by alterations in motivational and cognitiveprocesses involved in goal‐directed behavior. Recent studies have shown thataddictive behaviors can be attributed to alterations in the activity ... -
Nucleus accumbens and effort-related functions: behavioral and neural markers of the interactions between adenosine A2A and dopamine D2 receptors
Elsevier (2010-04)Nucleus accumbens dopamine (DA) is a critical component of the brain circuitry regulating work output in reinforcement-seeking behavior and effort-related choice behavior. Moreover, there is evidence of an interaction ... -
Sex differences in lever pressing and running wheel tasks of effort-based choice behavior in rats: Suppression of high effort activity by the serotonin transport inhibitor fluoxetine
Elsevier (2021)Selective serotonin transport (SERT) inhibitors such as fluoxetine are the most commonly prescribed treatments for depression. Although efficacious for many symptoms of depression, motivational impairments such as psychomotor ... -
The mysterious motivational functions of mesolimbic dopamine
Cell Press (2012-11)Nucleus accumbens dopamine is known to play a role in motivational processes, and dysfunctions of mesolimbic dopamine may contribute to motivational symptoms of depression and other disorders, as well as features of substance ...