Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study
Abnormal cognitive conflict resolution has been considered as a critical element of executive dysfunctions inpatient with major depression (MD). Further clarifying whether there was a deficit at perceptual encoding stage or the early response-execution stage in conflict control function by event-rel...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2022-09-01
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| Series: | Frontiers in Psychiatry |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpsyt.2022.989924/full |
| _version_ | 1797999062065086464 |
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| author | Ru-hong Sun Jia-zhao Zhang Sha-yu Jin Chen-guang Jiang Xue-zheng Gao Jun Wang Zhen-he Zhou |
| author_facet | Ru-hong Sun Jia-zhao Zhang Sha-yu Jin Chen-guang Jiang Xue-zheng Gao Jun Wang Zhen-he Zhou |
| author_sort | Ru-hong Sun |
| collection | DOAJ |
| description | Abnormal cognitive conflict resolution has been considered as a critical element of executive dysfunctions inpatient with major depression (MD). Further clarifying whether there was a deficit at perceptual encoding stage or the early response-execution stage in conflict control function by event-related potential (ERP) technique in MD would be helpful in understanding the neural mechanism of MD. Participants included twenty-six depressed patients and twenty-six healthy controls (HCs). All participants measured with Hamilton Depression Scale (17-item edition, HAMD) and a Simon task. Electroencephalograms were synchronously recorded when performing the Simon task. The method of residue iteration decomposition was used to analyze the lateralized readiness potential (LRP) and P300 components, which contributed to divides ERP components into a stimulus-locked component (S-cluster), a response-locked component (R-cluster) and an intermediate component cluster (C-cluster) by using latency variability and time markers. Results showed that reactive times (RTs) for both groups were fastest in congruent trials, and slowest in incongruent trials; however, there is no difference in RTs under the three conditions between two groups. Accuracy Rate (ACC) for both groups were the highest in neutral trials, and the lowest in incongruent trials; ACC in MD group were all lower than that of HC group under three conditions. ERP data analyses showed that depressed patients had a deficit in activating the correct response, as reflected by reduced amplitudes of R-LRP, but no abnormality in LRP-S and P300-C. In conclusion, patients with MD present conflict control dysfunction (i.e., abnormal cognitive conflict resolution) at the early response-execution stage, not at perceptual encoding stage, which may be reflected by the reduced R-LRP amplitudes. The abnormal cognitive conflict resolution in activating the correct response might constitute an interesting treatment target. |
| first_indexed | 2024-04-11T10:57:16Z |
| format | Article |
| id | doaj.art-5223795d007647009838254e1236a26f |
| institution | Directory Open Access Journal |
| issn | 1664-0640 |
| language | English |
| last_indexed | 2024-04-11T10:57:16Z |
| publishDate | 2022-09-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Psychiatry |
| spelling | doaj.art-5223795d007647009838254e1236a26f2022-12-22T04:28:43ZengFrontiers Media S.A.Frontiers in Psychiatry1664-06402022-09-011310.3389/fpsyt.2022.989924989924Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential studyRu-hong Sun0Jia-zhao Zhang1Sha-yu Jin2Chen-guang Jiang3Xue-zheng Gao4Jun Wang5Zhen-he Zhou6Department of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, China3 Grade 2019 Class 6, Basic Medicine College of Jinzhou Medical University, Jinzhou, Liaoning, ChinaDepartment of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, ChinaDepartment of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, ChinaDepartment of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, ChinaDepartment of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, ChinaDepartment of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi, Jiangsu, ChinaAbnormal cognitive conflict resolution has been considered as a critical element of executive dysfunctions inpatient with major depression (MD). Further clarifying whether there was a deficit at perceptual encoding stage or the early response-execution stage in conflict control function by event-related potential (ERP) technique in MD would be helpful in understanding the neural mechanism of MD. Participants included twenty-six depressed patients and twenty-six healthy controls (HCs). All participants measured with Hamilton Depression Scale (17-item edition, HAMD) and a Simon task. Electroencephalograms were synchronously recorded when performing the Simon task. The method of residue iteration decomposition was used to analyze the lateralized readiness potential (LRP) and P300 components, which contributed to divides ERP components into a stimulus-locked component (S-cluster), a response-locked component (R-cluster) and an intermediate component cluster (C-cluster) by using latency variability and time markers. Results showed that reactive times (RTs) for both groups were fastest in congruent trials, and slowest in incongruent trials; however, there is no difference in RTs under the three conditions between two groups. Accuracy Rate (ACC) for both groups were the highest in neutral trials, and the lowest in incongruent trials; ACC in MD group were all lower than that of HC group under three conditions. ERP data analyses showed that depressed patients had a deficit in activating the correct response, as reflected by reduced amplitudes of R-LRP, but no abnormality in LRP-S and P300-C. In conclusion, patients with MD present conflict control dysfunction (i.e., abnormal cognitive conflict resolution) at the early response-execution stage, not at perceptual encoding stage, which may be reflected by the reduced R-LRP amplitudes. The abnormal cognitive conflict resolution in activating the correct response might constitute an interesting treatment target.https://www.frontiersin.org/articles/10.3389/fpsyt.2022.989924/fullcognitive conflict resolutionmajor depressionlateralized readiness potentialP300simon task |
| spellingShingle | Ru-hong Sun Jia-zhao Zhang Sha-yu Jin Chen-guang Jiang Xue-zheng Gao Jun Wang Zhen-he Zhou Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study Frontiers in Psychiatry cognitive conflict resolution major depression lateralized readiness potential P300 simon task |
| title | Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study |
| title_full | Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study |
| title_fullStr | Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study |
| title_full_unstemmed | Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study |
| title_short | Neural correlates of abnormal cognitive conflict resolution in major depression: An event-related potential study |
| title_sort | neural correlates of abnormal cognitive conflict resolution in major depression an event related potential study |
| topic | cognitive conflict resolution major depression lateralized readiness potential P300 simon task |
| url | https://www.frontiersin.org/articles/10.3389/fpsyt.2022.989924/full |
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