Involvement of the brain reward system in harmful situations
pleasure in suffering
DOI :
https://doi.org/10.52579/diapi.vol5.i2.a19600Mots-clés :
Neurochemistry, Motivation, NeuroanatomyRésumé
Introduction: This study represents a literature review on the participation of the brain reward system in harmful situations. Objective: The study aimed to analyze and examine the scientific literature regarding the involvement of the reward system in behaviors that generate suffering, highlighting the neurobiological influences in the process and identifying the brain structures in which dopamine plays a part. Method: This is a descriptive and qualitative literature narrative review conducted by cross-referencing the following descriptors: Neurochemistry AND Motivation; Neuroquímica AND Motivação; Neuroanatomy AND Motivation, applied in the Bvs and PubMed databases. Results: Based on the considered studies, significant neurological influences in the motivational process were observed. The brain regions with the highest involvement were identified as the nucleus accumbens followed by the shell regions of the nucleus accumbens, basolateral amygdala, prefrontal cortex, and hypothalamus, along with other areas such as the mesencephalon, anterior cingulate cortex, ventral striatum, amygdala, and ventral tegmental area. Furthermore, neurochemical substances involved in the motivation process were found, with emphasis on glutamate, dopamine, and mesolimbic dopamine. Conclusion: Through the articles included in the sample, it was observed that dopamine and the reward system play a role in behaviors of suffering or harm when associated with goal attainment. In other words, these behaviors are maintained, even if harmful, when there is an interpretation that there will be future gain to some degree and intensity. This finding supports the initial hypothesis of the article for possible confirmation.
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(c) Tous droits réservés Emanuel Santos de Araujo Filho, Helle Nice Terrivel, Taynara dos Santos Domingues, Larissa de Oliveira Ribeiro 2024
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