GluCog: Glycemic Variability and Fluctuations in Cognitive Status in Adults with Type I Diabetes

The purposes of this study is to understand how thinking, emotions, and blood glucose fluctuate over hours and days in people with type I diabetes. Study Commitment: 1 Month Aged ≥ 18 years Sex: Male and Female Conditions/Eligibility: Clinical diagnosis of insulin dependent presumed autoimmune type 1 for at least one year Fluent in English (capable of consenting to the study and following task instructions in English) Has 24-hour access to a smart phone with reliable internet access Able to complete cognitive assessments No clinical diagnosis of dementia No current use of real-time glucose monitoring Able to complete questionnaire assessments between 9am - 9pm through the study period Study Procedures: Medical history and medication review Vital signs Fingerstick and blood draws Cognitive questionnaire assessments 3 short questionnaires per day during enrollment Wear a blinded continuous glucose monitor for 20 days Compensation: Up to $135