UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0290

Question:
After normal development up to the age of 14 months, a girl developed rapid deterioration of high brain functions. Within 1 year this deterioration progressed to severe dementia, autism, loss of purposeful use of the hands, jerky truncal ataxia, and 'acquired' microcephaly. These features are most characteristic of

a) communication disorder
b) post-traumatic stress disorder
c) Obsessive-compulsive disorder
d) Rett's disorder
e) mental retardation