Cognition is the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.[1] It encompasses processes such as knowledge, attention, memory and working memory, judgment and evaluation, reasoning and computation, problem solving and decision making, comprehension and production of language.
Impaired glucose tolerance (IGT): A person is said to have impaired glucose tolerance when the fasting plasma glucose is less than 126 mg/dl and the two hour glucose level is between 140 and 199 mg/dl. This is sometimes referred to as prediabetes because people with IGT have a higher risk of developing diabetes.
1 One-step 2-hour oral glucose tolerance test (OGTT). 2  After a fasting glucose level is measured, a woman is given a 75-gram dose of glucose to drink and her glucose levels are measured at 1 hour and 2 hours after the dose. 3  Only one of the values needs to be above a cutoff value for diagnosis.4  Two-step. One-step 2-hour oral glucose tolerance test (OGTT). 2  After a fasting glucose level is measured, a woman is given a 75-gram dose of glucose to drink and her glucose levels are measured at 1 hour and 2 hours after the dose. 3  Only one of the values needs to be above a cutoff value for diagnosis. 4  Two-step.