Specific neurological processes occur during the sensation of revulsion
Specific neurological processes and brain regions, such as the insula and limbic structures, are consistently activated during the sensation and processing of revulsion or disgust.
The retrieved papers provide substantial empirical evidence detailing specific neurobiological mechanisms, brain activations, and physiological correlates associated with the emotion and sensation of disgust (revulsion). Multiple studies highlight the involvement of structures like the insula, amygdala, and specific cortical or motor regions during disgust processing, supporting the claim without contradictory evidence.
Y. Aizawa, T. Harada, H. Nakata, Mizuki Tsunakawa, N. Sadato, K. Nagashima. Assessment of brain mechanisms involved in the processes of thermal sensation, pleasantness/unpleasantness, and evaluation. 2019. https://doi.org/10.1016/j.ibror.2019.01.003
Identifies specific neural regions and hemispheric responses involved in the evaluation of unpleasant and aversive sensory stimuli.
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Vicario CM, Rafal RD, di Pellegrino G, Lucifora C, Salehinejad MA, Nitsche MA, Avenanti A. Indignation for moral violations suppresses the tongue motor cortex: preliminary TMS evidence.. 2022. https://doi.org/10.1093/scan/nsaa036
Demonstrates neurophysiological changes (such as altered motor cortex excitability) during the experience of disgust and moral indignation.
Jayashankar A, Aziz-Zadeh L. Disgust Processing and Potential Relationships with Behaviors in Autism.. 2023. https://doi.org/10.1007/s11920-023-01445-5
Reviews differences in neural activity and physical processing associated with disgust in clinical and neurotypical populations.
Lim L, Rubia K, Lukito S. Common neural correlates of disgust processing in childhood maltreatment and peer victimisation.. 2024. https://doi.org/10.1192/bjo.2024.767
Shows specific patterns of limbic and insular activation and underactivation during the neurological processing of disgust.
Berretz G, Dutschke C, Leonard E, Packheiser J. Ewww-Investigating the neural basis of disgust in response to naturalistic and pictorial nauseating stimuli.. 2022. https://doi.org/10.3389/fpsyt.2022.1054224
Investigates the neural and EEG correlates of disgust processing in response to naturalistic and pictorial nauseating stimuli.
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