Cognition in Patients With Hypoglycemia, Without Diabetes

Inclusion Criteria

• •1. Age 18-70 years of age, inclusive, at screening.
• •2. Willingness to provide informed consent and attend one study visit.
• •3. For hypoglycemia after upper GI surgery group: Males or females diagnosed with ongoing post upper GI surgery hypoglycemia, with prior episodes of neuroglycopenia, unresponsive to dietary intervention.
• •4. For hypoglycemia without a history of upper gastrointestinal surgery group: Males or females diagnosed with ongoing hypoglycemia with prior episodes of neuroglycopenia, and without a history of prediabetes, diabetes, or upper GI surgery.
• •5. For post-bariatric without hypoglycemia group: Males or females with history of bariatric surgery, and no history of symptomatic hypoglycemia.
• •6. For non-surgical controls only: Males or females with no history of upper GI surgery and no history of hypoglycemia, prediabetes, or diabetes.