UKMLA PLAB AMC USMLE Prometric MCQ

a) they are the result of an interference in the migration of the periventricular germinal matrix between the 26th and 32nd weeks of gestation
b) in polymicrogyria the surface of the brain appears bumpy
c) in schizencephaly the clefts are lined by gray matter
d) the most common location of polymicrogyria is around the interhemispheric fissure
e) in type 1 lissencephaly the cortex has six layers