Learning disabilities in neurofibromatosis 1: sizing up the brain.

Achievement Adolescent Adult Astrocytes/pathology,physiology Brain/abnormalities,pathology Brain Neoplasms/complications,genetics,pathology Cell Movement/physiology Child Child, Preschool Cognition Disorders/diagnosis,etiology Female Gene Expression Genes, Neurofibromatosis 1/genetics Humans Infant Infant, Newborn Learning Disabilities/diagnosis,etiology Magnetic Resonance Imaging Male Neurofibromatosis 1/complications,genetics,pathology Neurons/pathology Neuropsychological Tests Severity of Illness Index