Neuropsychological and Neuroanatomical Studies of Young Children With and Without Type 1 Diabetes Mellitus

Inclusion Criteria:

Inclusion Criteria for study subjects:

   - To be between ages 3 to 10 years

   - Have been diagnosed with type 1 diabetes for at least 6 months; and

   - Do not have plans to move out of the area within the next 36 months.

Inclusion Criteria for control subjects:

   - To be between ages 3 to 10 years

Exclusion Criteria:

   - No history of head trauma with any loss of consciousness,

   - Cystic fibrosis,

   - Prematurity (born less than 30 weeks of gestation),

   - Significant developmental delay (lack of single word speech or ability to walk
   independently by 18 months of age),

   - Neurologic disease independent of diabetes (eg seizure disorder); or

   - Medical contraindication to MRI procedure (eg metal appliances such as braces).