All are true about Huntington's disease except:
Answer is C (Early onset memory loss): 'Memory loss is frequently not impaired until late in the disease' Memory loss is frequently not impaired until late in the disease, although attention judgement & executive functions may be seriously deficient at an early stage. Involvement of extrapyramidal system (caudate nucleus) may explain cog wheel rigidity.
Chorea
Behavioral disturbance
Early onset of memory loss
Cog-wheel rigidity.