Disgust sensitivity and psychopathic behavior: A narrative review
| Autor: | Torres German, Sheikh Amina A., Carpo Beatrice G., Sood Riya A., Mourad Mervat, Leheste Joerg R. |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2024 |
| Předmět: |
olfactory processing
criminality disgust sensitivity psychopathy parasite avoidance dysbiosis emotional expression sensory integration psychiatric disorders antisocial behavior amygdala disgust prefrontal cortex insula gastrointestinal tract olfaction Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 |
| Zdroj: | Translational Neuroscience, Vol 15, Iss 1, Pp 20170208-17 (2024) |
| Druh dokumentu: | article |
| ISSN: | 2081-6936 |
| DOI: | 10.1515/tnsci-2022-0358 |
| Popis: | Humans live under constant threat from pathogenic microorganisms and minimizing such threat has been a major evolutionary selective force in shaping human behavior and health. A particular adaptive mechanism against the harm caused by parasites and their infectiousness is disgust sensitivity, which has evolved to detect and avoid poisonous foods as well as bodily secretions harboring virulent microorganisms. This ubiquitous and reflexive behavior requires the integration of several internal and external sensory signals between the brain, the autonomic nervous system (ANS), and the gastrointestinal tract. Although the emotional expression of disgust is experienced by almost all individuals, the neural mechanisms of sensory signals underlying disgust sensitivity may differ in certain psychiatric conditions. Psychopathy, for instance, is a personality disorder in which disgust sensitivity to contagious bodily secretions is apparently absent or downregulated from its atypical personality temperament. In this review, we provide convergent behavioral, anatomical, and cellular evidence to suggest that a fractured experience of disgust sensitivity might be an additional feature of psychopathic behavior. First, we discuss the neural networks of certain brain regions mediating the emotional states of disgust and then discuss the intersection of the ANS and gastrointestinal tract in the processing of disgust and its relevance to aberrant antisocial behavior. Together, this work highlights the interconnections between the brain and the bilateral body plan as an integrated cell network that is relevant for understanding common principles underlying function and dysfunction of disgust levels in psychiatric domains. |
| Databáze: | Directory of Open Access Journals |
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