Abstract:
:Puberty is a time of striking changes in cognition and behavior. To indirectly assess the effects of puberty-related influences on the underlying neuroanatomy of these behavioral changes we will review and synthesize neuroimaging data from typically developing children and adolescents and from those with anomalous hormone or sex chromosome profiles. The trajectories (size by age) of brain morphometry differ between boys and girls, with girls generally reaching peak gray matter thickness 1-2 years earlier than boys. Both boys and girls with congenital adrenal hyperplasia (characterized by high levels of intrauterine testosterone), have smaller amygdala volume but the brain morphometry of girls with CAH did not otherwise significantly differ from controls. Subjects with XXY have gray matter reductions in the insula, temporal gyri, amygdala, hippocampus, and cingulate-areas consistent with the language-based learning difficulties common in this group.
journal_name
Mol Cell Endocrinoljournal_title
Molecular and cellular endocrinologyauthors
Giedd JN,Clasen LS,Lenroot R,Greenstein D,Wallace GL,Ordaz S,Molloy EA,Blumenthal JD,Tossell JW,Stayer C,Samango-Sprouse CA,Shen D,Davatzikos C,Merke D,Chrousos GPdoi
10.1016/j.mce.2006.04.016subject
Has Abstractpub_date
2006-07-25 00:00:00pages
154-62eissn
0303-7207issn
1872-8057pii
S0303-7207(06)00174-2journal_volume
254-255pub_type
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