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The mammalian cerebral cortex is characterized by complex patterns of anatomical and functional areas that differ markedly between species, but the molecular basis for this functional subdivision is largely unknown. Here, we show that mutations in GPR56, which encodes an orphan G protein-coupled receptor (GPCR) with a large extracellular domain, cause a… (More)
Polymicrogyria is a common malformation of cortical development characterized by an excessive number of small gyri and abnormal cortical lamination. Multiple syndromes of region-specific bilateral symmetric polymicrogyria have been reported. We previously have described two families with bilateral frontoparietal polymicrogyria (BFPP), an autosomal recessive… (More)
Clinico-radiological assessment of three mentally retarded members of a large Bedouin kindred showed lissencephaly, spastic paraparesis, myoclonic epilepsy and cerebellar hypoplasia. It seems that the familial association of lissencephaly/myoclonic epilepsy/cerebellar hypoplasia represents a new entity.