國家衛生研究院 NHRI:Item 3990099045/11931

NHRI > National Institute of Environmental Health Sciences > Yue-Liang Guo > Periodical Articles > Item 3990099045/11931

Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/11931

Title:	Neuroimaging signatures of brain plasticity in adults with prenatal exposure to polychlorinated biphenyls: Altered functional connectivity on functional MRI
Authors:	Chu, CP;Wu, SW;Huang, YJ;Chiang, MC;Hsieh, ST;Guo, YL
Contributors:	National Institute of Environmental Health Sciences
Abstract:	Prenatal exposure to polychlorinated biphenyls (PCBs), persistent organic pollutants in food chains and environment, exerts negative effects on children's cognitive function. To study the long-term effects, we examined cognitive functions in the male children of women with substantial PCB exposure in Taiwan during 1978-1979 and investigated neural basis of cognitive function changes through structural magnetic resonance imaging (MRI) and functional MRI (fMRI), which included resting-state and task-activated fMRI with two paradigms: a 2-back task and a picture rotation task. Ten men aged 30.0+/-3.7 years with prenatal exposure to PCBs and 11 unexposed controls aged 28.1+/-3.1 years participated. Both groups had similar cognitive phenotypes and behavioral results. Structural MRI analysis results showed that the PCB group had increased cortical thickness over the right inferior parietal lobule. In the resting-state study, the PCB group showed alterations in the default mode network. During the tasks, the PCB group showed decreased task-induced deactivation signals in cognition-associated brain areas during the 2-back task but enhanced deactivations during the picture rotation task. This study demonstrated altered structural MRI as well as resting and task-related fMRI in men with prenatal PCB exposure, suggesting altered brain plasticity and compensatory neuropsychological performance.
Date:	2019-07
Relation:	Environmental Pollution. 2019 Jul;250:960-968.
Link to:	http://dx.doi.org/10.1016/j.envpol.2019.04.105
JIF/Ranking 2023:	http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0269-7491&DestApp=IC2JCR
Cited Times(WOS):	https://www.webofscience.com/wos/woscc/full-record/WOS:000471088200103
Cited Times(Scopus):	https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85064994802
Appears in Collections:	[Yue-Liang Guo] Periodical Articles

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