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Dissociable relations between amygdala subregional networks and psychopathy trait dimensions in conduct-disordered juvenile offenders
Department of Child and Adolescent Psychiatry, Curium, Leiden University Medical Center, Leiden, the Netherlands; Leiden Institute for Brain and Cognition (LIBC), Leiden, the Netherlands; Department of Psychiatry, VU University Medical Center, Amsterdam, the Netherlands.
Department of Child and Adolescent Psychiatry, Curium, Leiden University Medical Center, Leiden, the Netherlands; Leiden Institute for Brain and Cognition (LIBC), Leiden, the Netherlands; School of Law, Psychology, and Social Work, Örebro University, Örebro, Sweden.
Department of Child and Adolescent Psychiatry, Curium, Leiden University Medical Center, Leiden, the Netherlands; Leiden Institute for Brain and Cognition (LIBC), Leiden, the Netherlands.
Division of Mind and Brain Research, Department of Psychiatry and Psychotherapy, Charité Universitätsmedizin, Berlin, Germany.
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2016 (English)In: Human Brain Mapping, ISSN 1065-9471, E-ISSN 1097-0193, Vol. 37, no 11, p. 4017-4033Article in journal (Refereed) Published
Abstract [en]

Psychopathy is a serious psychiatric phenomenon characterized by a pathological constellation of affective (e.g., callous, unemotional), interpersonal (e.g., manipulative, egocentric), and behavioral (e.g., impulsive, irresponsible) personality traits. Though amygdala subregional defects are suggested in psychopathy, the functionality and connectivity of different amygdala subnuclei is typically disregarded in neurocircuit-level analyses of psychopathic personality. Hence, little is known of how amygdala subregional networks may contribute to psychopathy and its underlying trait assemblies in severely antisocial people. We addressed this important issue by uniquely examining the intrinsic functional connectivity of basolateral (BLA) and centromedial (CMA) amygdala networks in relation to affective, interpersonal, and behavioral traits of psychopathy, in conduct-disordered juveniles with a history of serious delinquency (N = 50, mean age = 16.83 ± 1.32). As predicted, amygdalar connectivity profiles exhibited dissociable relations with different traits of psychopathy. Interpersonal psychopathic traits not only related to increased connectivity of BLA and CMA with a corticostriatal network formation accommodating reward processing, but also predicted stronger CMA connectivity with a network of cortical midline structures supporting sociocognitive processes. In contrast, affective psychopathic traits related to diminished CMA connectivity with a frontolimbic network serving salience processing and affective responding. Finally, behavioral psychopathic traits related to heightened BLA connectivity with a frontoparietal cluster implicated in regulatory executive functioning. We suggest that these trait-specific shifts in amygdalar connectivity could be particularly relevant to the psychopathic phenotype, as they may fuel a self-centered, emotionally cold, and behaviorally disinhibited profile.

Place, publisher, year, edition, pages
Hoboken, USA: Wiley-Blackwell, 2016. Vol. 37, no 11, p. 4017-4033
Keywords [en]
Amygdala, conduct disorder, intrinsic functional connectivity, psychopathy
National Category
Neurology
Research subject
Neurology
Identifiers
URN: urn:nbn:se:oru:diva-51523DOI: 10.1002/hbm.23292ISI: 000386075900024PubMedID: 27453465Scopus ID: 2-s2.0-84990216203OAI: oai:DiVA.org:oru-51523DiVA, id: diva2:951033
Note

Funding Agencies:

Netherlands Organization for Scientific Research - National Initiative Brain and Cognition (NWO-NIHC) 056-23-011

LIBC starting grant

Available from: 2016-08-05 Created: 2016-08-02 Last updated: 2017-11-28Bibliographically approved

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Andershed, Henrik

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