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Auteur Tom F. III NUGENT |
Documents disponibles écrits par cet auteur (1)
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Dynamic mapping of cortical development before and after the onset of pediatric bipolar illness / Nitin GOGTAY in Journal of Child Psychology and Psychiatry, 48-9 (September 2007)
[article]
Titre : Dynamic mapping of cortical development before and after the onset of pediatric bipolar illness Type de document : Texte imprimé et/ou numérique Auteurs : Nitin GOGTAY, Auteur ; Liv S. CLASEN, Auteur ; Paul M. THOMPSON, Auteur ; Arthur W. TOGA, Auteur ; Tom F. III NUGENT, Auteur ; David JUNG, Auteur ; Wendy SHARP, Auteur ; Marge LENANE, Auteur ; Kiralee M. HAYASHI, Auteur ; David H. HERMAN, Auteur ; Anna ORDONEZ, Auteur ; Ellen LEIBENLUFT, Auteur ; Judith RAPOPORT, Auteur ; Deanna GREENSTEIN, Auteur ; Jay N. GIEDD, Auteur ; Catherine VAITUZIS, Auteur Année de publication : 2007 Article en page(s) : p.852–862 Langues : Anglais (eng) Mots-clés : Pediatric bipolar MRI mapping gray matter Index. décimale : PER Périodiques Résumé : Background: There are, to date, no pre-post onset longitudinal imaging studies of bipolar disorder at any age. We report the first prospective study of cortical brain development in pediatric bipolar illness for 9 male children, visualized before and after illness onset.
Method: We contrast this pattern with that observed in a matched group of healthy children as well as in a matched group of 8 children with ‘atypical psychosis’ who had similar initial presentation marked by mood dysregulation and transient psychosis (labeled as ‘multi-dimensionally impaired’ (MDI)) as in the bipolar group, but have not, to date, developed bipolar illness.
Results: Dynamic maps, reconstructed by applying novel cortical pattern matching algorithms, for the children who became bipolar I showed subtle, regionally specific, bilaterally asymmetrical cortical changes. Cortical GM increased over the left temporal cortex and decreased bilaterally in the anterior (and sub genual) cingulate cortex. This was seen most strikingly after the illness onset, and showed a pattern distinct from that seen in childhood onset schizophrenia. The bipolar neurodevelopmental trajectory was generally shared by the children who remained with MDI diagnosis without converting to bipolar I, suggesting that this pattern of cortical development may reflect affective dysregulation (lability) in general.
Conclusions: These dynamic trajectories of cortical development may explain age-related disparate findings from cross-sectional studies of bipolar illness, and suggest the importance of mood disordered non-bipolar control group in future studies.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2007.01747.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422
in Journal of Child Psychology and Psychiatry > 48-9 (September 2007) . - p.852–862[article] Dynamic mapping of cortical development before and after the onset of pediatric bipolar illness [Texte imprimé et/ou numérique] / Nitin GOGTAY, Auteur ; Liv S. CLASEN, Auteur ; Paul M. THOMPSON, Auteur ; Arthur W. TOGA, Auteur ; Tom F. III NUGENT, Auteur ; David JUNG, Auteur ; Wendy SHARP, Auteur ; Marge LENANE, Auteur ; Kiralee M. HAYASHI, Auteur ; David H. HERMAN, Auteur ; Anna ORDONEZ, Auteur ; Ellen LEIBENLUFT, Auteur ; Judith RAPOPORT, Auteur ; Deanna GREENSTEIN, Auteur ; Jay N. GIEDD, Auteur ; Catherine VAITUZIS, Auteur . - 2007 . - p.852–862.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 48-9 (September 2007) . - p.852–862
Mots-clés : Pediatric bipolar MRI mapping gray matter Index. décimale : PER Périodiques Résumé : Background: There are, to date, no pre-post onset longitudinal imaging studies of bipolar disorder at any age. We report the first prospective study of cortical brain development in pediatric bipolar illness for 9 male children, visualized before and after illness onset.
Method: We contrast this pattern with that observed in a matched group of healthy children as well as in a matched group of 8 children with ‘atypical psychosis’ who had similar initial presentation marked by mood dysregulation and transient psychosis (labeled as ‘multi-dimensionally impaired’ (MDI)) as in the bipolar group, but have not, to date, developed bipolar illness.
Results: Dynamic maps, reconstructed by applying novel cortical pattern matching algorithms, for the children who became bipolar I showed subtle, regionally specific, bilaterally asymmetrical cortical changes. Cortical GM increased over the left temporal cortex and decreased bilaterally in the anterior (and sub genual) cingulate cortex. This was seen most strikingly after the illness onset, and showed a pattern distinct from that seen in childhood onset schizophrenia. The bipolar neurodevelopmental trajectory was generally shared by the children who remained with MDI diagnosis without converting to bipolar I, suggesting that this pattern of cortical development may reflect affective dysregulation (lability) in general.
Conclusions: These dynamic trajectories of cortical development may explain age-related disparate findings from cross-sectional studies of bipolar illness, and suggest the importance of mood disordered non-bipolar control group in future studies.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2007.01747.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422