Physically, the Brains of Children with Down Syndrome Are

Physically, the brains of children with Down syndrome are

A) smaller than normal and contain plaques and neurofibrillary tangles, which are structures normally found in patients with Alzheimer's disease.
B) larger than normal and contain plaques and neurofibrillary tangles, which are structures normally found in patients with Alzheimer's disease.
C) smaller than normal and contain enlarged ventricles similar to those found in patients with schizophrenia.
D) larger than normal and contain enlarged ventricles similar to those found in patients with schizophrenia.