What Does Electroencephalography Coherence Tell Us about Memory Encoding in Adolescents at High Risk of Suicide?
- Authors
- Kim, Yujin; Kwon, Jeongeun; Yongtawee, Atcharat; Woo, Jihwan; Woo, Minjung
- Issue Date
- Oct-2019
- Publisher
- KARGER
- Keywords
- Suicide; Depression; Working memory; Adolescence; Electroencephalography coherence
- Citation
- PSYCHOPATHOLOGY, v.52, no.4, pp.265 - 270
- Journal Title
- PSYCHOPATHOLOGY
- Volume
- 52
- Number
- 4
- Start Page
- 265
- End Page
- 270
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/18088
- DOI
- 10.1159/000503374
- ISSN
- 0254-4962
- Abstract
- Background: Suicide is known to be closely related to depression, which is accompanied by cognitive decline. Objective: This study examined whether memory performance and cortical networking differ between high suicide risk and control groups depending on task difficulty. Methods: The participants were 28 high school students consisting of 14 suicide risk and 14 control subjects. Real-time electroencephalography signals were collected during a working memory task. Inter- and intrahemispheric coherences were analyzed. Results: Higher cortical networking during memory encoding was found in suicide risk adolescents compared to the control group. An increase in task difficulty heightened interhemispheric coherence. Conclusions: Higher cortical networking in suicide risk adolescents seems to reflect activation of compensatory mechanisms in an attempt to minimize behavioral decline.
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