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Hoof, M.J. van; Riem, M.M.E.; Garrett, A.S.; Wee, N.J.A. van der; IJzendoorn, M.H. van; Vermeiren, R.R.J.M. (2019)

Unresolved-disorganized attachment adjusted for a General Psychopathology Factor associated with atypical amygdala resting-state functional connectivity

Article / Letter to editor
Abstract Background: Recent research has identified a general psychopathology factor (GPF), which explains overlap in presentation of psychopathological symptoms. Unresolved-disorganized attachment (Ud) is another transdiagnostic risk factor that may be relevant to explain differences in patient characteristics within diagnostic classifications. Objective: In the current study, we examined unique relations of resting state functional connectivity with Ud and GPF. Method: Resting state functional connectivity (RSFC) data were collected from a mixed group of adolescents (N =74) with and without psychiatric disorder, part of the Emotional Pathways’ Imaging Study in Clinical Adolescents study. Ud was measured using the Adult Attachment Interview (AAI). Associations between Ud, GPF, and RSFC of the amygdala and anterior cingulate cortex (dACC) and with amygdala- medial frontal connectivity were examined. Results: Ud was positively associated with greater functional connectivity...Show moreAbstract Background: Recent research has identified a general psychopathology factor (GPF), which explains overlap in presentation of psychopathological symptoms. Unresolved-disorganized attachment (Ud) is another transdiagnostic risk factor that may be relevant to explain differences in patient characteristics within diagnostic classifications. Objective: In the current study, we examined unique relations of resting state functional connectivity with Ud and GPF. Method: Resting state functional connectivity (RSFC) data were collected from a mixed group of adolescents (N =74) with and without psychiatric disorder, part of the Emotional Pathways’ Imaging Study in Clinical Adolescents study. Ud was measured using the Adult Attachment Interview (AAI). Associations between Ud, GPF, and RSFC of the amygdala and anterior cingulate cortex (dACC) and with amygdala- medial frontal connectivity were examined. Results: Ud was positively associated with greater functional connectivity between the left amygdala and the left lateral occipital cortex, precuneus, and superior parietal lobule. Furthermore, Ud was negatively associated with left amygdala-medial frontal cortex connectivity. GPF was not significantly associated with dACC or amygdala connectivity. Conclusions: Atypical amygdala connectivity may reflect a vulnerability factor rather than a biomarker of psychopathology. The unique association of Ud and amygdala RSFC connectivity, adjusted for a GPF, across participants with and without various classifications of psychopathology illustrates that dimensional approaches based on the AAI may complement psychiatric classifications in clinical research and practice.   Keywords: General psychopathology factor; unresolved– disorganized attachment; amygdala; resting-state functional connectivity; dorsal anterior cingulate cortex; medial prefrontal cortex; psychopathology; adolescentsShow less
All authors
Hoof, M.J. van; Riem, M.M.E.; Garrett, A.S.; Wee, N.J.A. van der; IJzendoorn, M.H. van; Vermeiren, R.R.J.M.
Date
2019-03-14
Journal
European Journal of Psychotraumatology
Volume
10
Issue
1
DOI
doi:10.1080/20008198.2019.1583525