Prenatal_Brain_Folding

Prenatal_Brain_Folding - Neuroscience in the News Brain...

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Neuroscience in the News Brain Folding in Prenatal Development Presenter Names: Elaine Alasagas, Carla Hammar, Kristina Mustacich, Sarah Corwin Source 1 Autism.  Scientific American  300(2): 66-71. Source 2:  Wisco J et al. 2009. Abnormal cortical folding patterns within Broca’s area in  schizophrenia: Evidence from structural MRI.  Schizophrenia Research  94: 317-327. (1.) Development of cortical folding: Cortical Surface : Cortex = sheet of neurons 6 layers thick; total cortical surface area = ~ 1m 2 Braincase = ~1/3 this size: gyri and sulci necessary. Prenatal Development Stages : 5 - 6 weeks: Cerebral hemispheres differentiate; 18 weeks:  Primary sulci (Sylvian fissure) form; 18 - 24 weeks: division into lobes ; 24 weeks: Secondary  sulci form ; 28-37 weeks: Tertiary sulci form. Neuronal connections in gyri and sulci
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Prenatal_Brain_Folding - Neuroscience in the News Brain...

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