White matter sex development

Reframing sexual differentiation of the brain. Techniques such as functional MRI have begun to yield clues to possible biological underpinnings of gender. Neuroscience and Biobehavioral Reviews , 21, Acknowledgments Ajay Lamba placed the regions of interest. European Journal of Endocrinology , , These other health care professionals may include a specialist in genetic diseases, a specialist in brain diseases, a specialist in child development, a hearing specialist, and a physical therapist. The anatomical scan consisted of coronal slices with a 3D T1-weighted gradient-echo sequence Philips:
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Sexual Dimorphism in White Matter Developmental Trajectories Using Tract-Based Spatial Statistics

Find articles by Sebastian Jentschke. June 6, Copyright: The basis of anisotropic water diffusion in the nervous system - a technical review. American Journal of Neuroradiology , 32, Increased FA was most significant within or close to the thalamus, and corpus callosum and cingulate bundles. Correlations between diffusion tensor metrics and age for males were observed throughout white matter, as can be seen in Figures 5—8.
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Sexual Dimorphism in White Matter Developmental Trajectories Using Tract-Based Spatial Statistics

Thus far, there is no clear picture about the underlying tract-based phenotype of antisocial behavior to date. The researchers found that this region was about twice as big in cisgender men as in women, whether trans- or cisgender. Cerebral Cortex , 23, Gender Medicine , 4 Suppl. Twere segmented into gray matter, white matter and cerebrospinal fluid CSF , and normalized to a group template i. Blue regions indicate a significantly steeper negative slope in males than females.
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The observation of an effect of pubertal status on radial diffusivity in clusters showing a main effect of age underlined that known differences in pubertal onset could be a driving factor for sexual dimorphism in diffusion parameters. The analysis focused on four measures derived from the diffusion tensor: Discussion and Conclusions The primary finding in this study is that there are differences in structural development throughout the white matter in males and females between the ages of 8 and 16 years. Heritability of regional and global brain structure at the onset of puberty: Neuroscience and Biobehavioral Reviews , 21, This protocol was repeated thrice in a single scan session providing acquisitions per slice, and the data merged without averaging. Brain areas within those networks are functionally and structurally interconnected with one another by anatomical white matter tracts consisting of abundant thin myelinated axons.
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