Volume 4, Issue 1 (Winter 2024)
J Clin Sport Neuropsychol 2024, 4(1): 0-0 |
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Abdolmanafi V, Nejati V. Examining the Role of Cortex in the Interoception of Person With and Without Major Depressive Disorder: a Transcranial Direct Current Stimulation's Study. J Clin Sport Neuropsychol 2024; 4 (1) : 1
URL: http://jcsnp.ir/article-1-92-en.html
URL: http://jcsnp.ir/article-1-92-en.html
1- Master's degree in Clinical Psychology, Shahid Beheshti University, Tehran, Iran.
2- Professor, Department of Psychology, Faculty of Psychology and Educational Sciences, Shahid Beheshti University, Tehran, Iran.
2- Professor, Department of Psychology, Faculty of Psychology and Educational Sciences, Shahid Beheshti University, Tehran, Iran.
Abstract: (393 Views)
Background and purpose: Interoception refers to a person's perception of his visceral state and it is dysfunctional in many psychiatric disorders. However, interoception is dependent on subcortical structures, especially the insula. This research was conducted with the aim of investigating the role of the cerebral cortex in the interoception of depressed and healthy people.
Method: In this quasi-experimental study, 32 participants with and without major depressive disorder randomly and double-blindly assigned to an experimental group or a placebo control group. received real or fake stimulation. The accuracy of interoception was checked by measuring the phasic heart rate and awareness of interoception using Multidimensional Assessment of Interoceptive Awareness, Version 2 (MAIA-2). To investigate cortical control, ventromedial and dorsolateral of the prefrontal cortex, which are also involved in depression, were used.
Findings: Evidence of the role of the ventromedial of the prefrontal cortex was found in the interoception accuracy, but there was no difference in the functioning of healthy and depressed people; In addition, evidence of the role of ventromedial and dorsolateral of the prefrontal cortex was obtained in the awareness of interoception, and this function showed differences in healthy and depressed people.
Conclusion: Evidence of cortical control for interoception was observed and the function of cortical areas in depressed and healthy people showed differences in some of its dimensions.
Method: In this quasi-experimental study, 32 participants with and without major depressive disorder randomly and double-blindly assigned to an experimental group or a placebo control group. received real or fake stimulation. The accuracy of interoception was checked by measuring the phasic heart rate and awareness of interoception using Multidimensional Assessment of Interoceptive Awareness, Version 2 (MAIA-2). To investigate cortical control, ventromedial and dorsolateral of the prefrontal cortex, which are also involved in depression, were used.
Findings: Evidence of the role of the ventromedial of the prefrontal cortex was found in the interoception accuracy, but there was no difference in the functioning of healthy and depressed people; In addition, evidence of the role of ventromedial and dorsolateral of the prefrontal cortex was obtained in the awareness of interoception, and this function showed differences in healthy and depressed people.
Conclusion: Evidence of cortical control for interoception was observed and the function of cortical areas in depressed and healthy people showed differences in some of its dimensions.
Article number: 1
Keywords: Accuracy of interoception , Awareness of interoception , Cortical Control , Transcranial Direct Current Stimulation
Type of Study: Research |
Subject:
Neurpsychology
Received: 2023/09/16 | Accepted: 2023/11/6 | Published: 2024/01/1
Received: 2023/09/16 | Accepted: 2023/11/6 | Published: 2024/01/1
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