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Individual differences in white matter of the uncinate fasciculus and inferior fronto-occipital fasciculus: possible early biomarkers for callous-unemotional behaviors in young children with disruptive behavior problems / P. A. GRAZIANO in Journal of Child Psychology and Psychiatry, 63-1 (January 2022)
[article]
Titre : Individual differences in white matter of the uncinate fasciculus and inferior fronto-occipital fasciculus: possible early biomarkers for callous-unemotional behaviors in young children with disruptive behavior problems Type de document : Texte imprimé et/ou numérique Auteurs : P. A. GRAZIANO, Auteur ; D. GARIC, Auteur ; A. S. DICK, Auteur Article en page(s) : p.19-33 Langues : Anglais (eng) Mots-clés : Biomarkers Child Child, Preschool Diffusion Tensor Imaging Female Humans Individuality Male Problem Behavior Uncinate Fasciculus White Matter/diagnostic imaging Callous-unemotional behaviors Dti conduct problems imaging preschool uncinate fasciculus Index. décimale : PER Périodiques Résumé : BACKGROUND: Callous-unemotional (CU) behaviors are important for identifying severe patterns of conduct problems (CP). One major fiber tract implicated in the development of CP is the uncinate fasciculus (UF), which connects amygdala and orbitofrontal cortex (OFC). The goals of the current study were to (a) explore differences in the white matter microstructure in the UF and other major fiber tracks between young typically developing (TD) children and those with a disruptive behavior disorder (DBD) and (b) explore, within the DBD group, whether individual differences in these white matter tracts relate to co-occurring CP and CU behaviors. METHODS: Participants included 198 young children (69% boys, M(age) ?=?5.66?years; 80% Latinx; 48.5% TD). CU behaviors and CP were measured via a combination of teacher/parent ratings. Non-invasive diffusion-weighted imaging (DWI) was used to measure fractional anisotropy (FA), an indirect indicator of white matter properties. RESULTS: Relative to TD children, children in the DBD group had reduced FA on four out of the five fiber tracks we examined (except for cingulum and right ILF), even after accounting for whole brain FA, sex, movement, parental income, and IQ. Within the DBD group, no associations were found between CP and reduced white matter integrity across any of the fiber tracks examined. However, we found that even after accounting for CP, ADHD symptomology, and a host of covariates (whole brain FA, sex, movement, parental income, and IQ), CU behaviors were independently related to reduced FA in bilateral UF and left inferior fronto-occipital fasciculus (IFOF) in the DBD group, but this was not the case for TD children. CONCLUSIONS: Alterations in the white matter microstructure within bilateral UF and left IFOF may be biomarkers of CU behaviors, even in very young children. En ligne : http://dx.doi.org/10.1111/jcpp.13444 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456
in Journal of Child Psychology and Psychiatry > 63-1 (January 2022) . - p.19-33[article] Individual differences in white matter of the uncinate fasciculus and inferior fronto-occipital fasciculus: possible early biomarkers for callous-unemotional behaviors in young children with disruptive behavior problems [Texte imprimé et/ou numérique] / P. A. GRAZIANO, Auteur ; D. GARIC, Auteur ; A. S. DICK, Auteur . - p.19-33.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-1 (January 2022) . - p.19-33
Mots-clés : Biomarkers Child Child, Preschool Diffusion Tensor Imaging Female Humans Individuality Male Problem Behavior Uncinate Fasciculus White Matter/diagnostic imaging Callous-unemotional behaviors Dti conduct problems imaging preschool uncinate fasciculus Index. décimale : PER Périodiques Résumé : BACKGROUND: Callous-unemotional (CU) behaviors are important for identifying severe patterns of conduct problems (CP). One major fiber tract implicated in the development of CP is the uncinate fasciculus (UF), which connects amygdala and orbitofrontal cortex (OFC). The goals of the current study were to (a) explore differences in the white matter microstructure in the UF and other major fiber tracks between young typically developing (TD) children and those with a disruptive behavior disorder (DBD) and (b) explore, within the DBD group, whether individual differences in these white matter tracts relate to co-occurring CP and CU behaviors. METHODS: Participants included 198 young children (69% boys, M(age) ?=?5.66?years; 80% Latinx; 48.5% TD). CU behaviors and CP were measured via a combination of teacher/parent ratings. Non-invasive diffusion-weighted imaging (DWI) was used to measure fractional anisotropy (FA), an indirect indicator of white matter properties. RESULTS: Relative to TD children, children in the DBD group had reduced FA on four out of the five fiber tracks we examined (except for cingulum and right ILF), even after accounting for whole brain FA, sex, movement, parental income, and IQ. Within the DBD group, no associations were found between CP and reduced white matter integrity across any of the fiber tracks examined. However, we found that even after accounting for CP, ADHD symptomology, and a host of covariates (whole brain FA, sex, movement, parental income, and IQ), CU behaviors were independently related to reduced FA in bilateral UF and left inferior fronto-occipital fasciculus (IFOF) in the DBD group, but this was not the case for TD children. CONCLUSIONS: Alterations in the white matter microstructure within bilateral UF and left IFOF may be biomarkers of CU behaviors, even in very young children. En ligne : http://dx.doi.org/10.1111/jcpp.13444 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456 Long-term Cognitive and Behavioral Therapies, Combined with Augmentative Communication, are Related to Uncinate Fasciculus Integrity in Autism / Matteo PARDINI in Journal of Autism and Developmental Disorders, 42-4 (April 2012)
[article]
Titre : Long-term Cognitive and Behavioral Therapies, Combined with Augmentative Communication, are Related to Uncinate Fasciculus Integrity in Autism Type de document : Texte imprimé et/ou numérique Auteurs : Matteo PARDINI, Auteur ; Maurizio ELIA, Auteur ; Francesco GARACI, Auteur ; Silvia GUIDA, Auteur ; Filadelfo CONIGLIONE, Auteur ; Frank KRUEGER, Auteur ; Francesca BENASSI, Auteur ; Leonardo EMBERTI GIALLORETI, Auteur Année de publication : 2012 Article en page(s) : p.585-592 Langues : Anglais (eng) Mots-clés : Diffusion Tensor Imaging Autism Uncinate fasciculus Cognitive therapy Long-term rehabilitation Index. décimale : PER Périodiques Résumé : Recent evidence points to white-matter abnormalities as a key factor in autism physiopathology. Using Diffusion Tensor Imaging, we studied white-matter structural properties in a convenience sample of twenty-two subjects with low-functioning autism exposed to long-term augmentative and alternative communication, combined with sessions of cognitive and behavioral therapy. Uncinate fasciculus structural properties correlated significantly with therapy length and early onset, as well as to clinical outcome, independently from IQ, age or symptoms severity at therapy onset. Moreover, adherence to therapy was linked with better clinical outcome and uncinate fasciculus structural integrity. The results point to the capability of a long-term rehabilitation of subjects with low-functioning autism to produce white-matter structural modifications, which could thus play a role in the rehabilitative outcome. En ligne : http://dx.doi.org/10.1007/s10803-011-1281-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=153
in Journal of Autism and Developmental Disorders > 42-4 (April 2012) . - p.585-592[article] Long-term Cognitive and Behavioral Therapies, Combined with Augmentative Communication, are Related to Uncinate Fasciculus Integrity in Autism [Texte imprimé et/ou numérique] / Matteo PARDINI, Auteur ; Maurizio ELIA, Auteur ; Francesco GARACI, Auteur ; Silvia GUIDA, Auteur ; Filadelfo CONIGLIONE, Auteur ; Frank KRUEGER, Auteur ; Francesca BENASSI, Auteur ; Leonardo EMBERTI GIALLORETI, Auteur . - 2012 . - p.585-592.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 42-4 (April 2012) . - p.585-592
Mots-clés : Diffusion Tensor Imaging Autism Uncinate fasciculus Cognitive therapy Long-term rehabilitation Index. décimale : PER Périodiques Résumé : Recent evidence points to white-matter abnormalities as a key factor in autism physiopathology. Using Diffusion Tensor Imaging, we studied white-matter structural properties in a convenience sample of twenty-two subjects with low-functioning autism exposed to long-term augmentative and alternative communication, combined with sessions of cognitive and behavioral therapy. Uncinate fasciculus structural properties correlated significantly with therapy length and early onset, as well as to clinical outcome, independently from IQ, age or symptoms severity at therapy onset. Moreover, adherence to therapy was linked with better clinical outcome and uncinate fasciculus structural integrity. The results point to the capability of a long-term rehabilitation of subjects with low-functioning autism to produce white-matter structural modifications, which could thus play a role in the rehabilitative outcome. En ligne : http://dx.doi.org/10.1007/s10803-011-1281-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=153