Functional near infrared imaging of college students on speech fluency tasks in traumatized

ZHENG Minxiao; ZHU Dongmei; WEI Qiang; XIANG Nian; QIU Min; XIAO Qiang; LI Xiaonan; ZHANG Yan

doi:10.16835/j.cnki.1000-9817.2024068

Volume 45 Issue 3

Mar. 2024

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ZHENG Minxiao, ZHU Dongmei, WEI Qiang, XIANG Nian, QIU Min, XIAO Qiang, LI Xiaonan, ZHANG Yan. Functional near infrared imaging of college students on speech fluency tasks in traumatized[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(3): 375-378. doi: 10.16835/j.cnki.1000-9817.2024068

Citation:

ZHENG Minxiao, ZHU Dongmei, WEI Qiang, XIANG Nian, QIU Min, XIAO Qiang, LI Xiaonan, ZHANG Yan. Functional near infrared imaging of college students on speech fluency tasks in traumatized[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(3): 375-378. doi: 10.16835/j.cnki.1000-9817.2024068

Citation:

ZHENG Minxiao, ZHU Dongmei, WEI Qiang, XIANG Nian, QIU Min, XIAO Qiang, LI Xiaonan, ZHANG Yan. Functional near infrared imaging of college students on speech fluency tasks in traumatized[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(3): 375-378. doi: 10.16835/j.cnki.1000-9817.2024068

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Functional near infrared imaging of college students on speech fluency tasks in traumatized

doi: 10.16835/j.cnki.1000-9817.2024068

1.
School of Education Science, Huazhong University of Science and Technology, Wuhan (430074), Hubei Province, China

Received Date: 2023-08-23
Rev Recd Date: 2023-12-25

Available Online: 2024-03-29

Publish Date: 2024-03-25

Abstract

Abstract

Objective The study aims to explore the neural mechanism of cognitive differences in college students with posttraumatic stress disorder under verbal fluency task based on functional near-infrared spectroscopy (fNIRS), so as to provide neuroimaging support for the evaluation, diagnosis and treatment of posttraumatic stress disorder(PTSD). Methods Posttaumatic Stress Disorder Checklist-Combat(PCL-C) was used to screen the subjects, including 21 students in PTSD group (PCL-C≥38) and 30 students in control group from September to Novenber in 2020. A 53-channel near-infrared spectroscopy device was used to collect cerebral blood oxygen signals under the verbal fluency task, and correlation analysis, Mann-Whitney U test and independent sample t test were performed on the results. Results The difference in the total average score of PCL-C Scale between PTSD group and the control group(46.38±6.96, 25.57±6.09) was statistically significant (t=11.33, P < 0.05). Correlation analysis showed that Avg-HbO in left dorsolateral prefrontal lobe was negatively correlated with PCL-C Score (r=-0.37, P < 0.05). Mann-Whitney U test showed that in the left dorsolateral prefrontal lobe (Ch6), the Avg-HbO change in PTSD group [0.19(-0.09, 0.86)mmol/(L ·mm)] was significantly lower than the control group [0.79(0.37, 1.47)mmol/(L ·mm)] (Z=2.16, P < 0.05), which was statistically significant. Conclusions The degree of PTSD was negatively correlated with the index of oxygenated hemoglobin in the left dorsolateral prefrontal lobe, and the oxygenated hemoglobin content in the PTSD group was lower than that in the normal group. In the future, fNIRS may be used to collect blood oxygen signals from the left dorsolateral prefrontal lobe in cognitive tasks to provide imaging evidence for the identification of PTSD.
- Speech,
- Spectroscopy, near-infrared,
- Mental health,
- Stress disorders, post-traumatic,
- Students

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References(20)

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