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.
Fast for eight to 12 hours before you have your first blood taken. The glucose tolerance test includes a blood draw before you drink a sugary liquid, and an hour after that as well. If you're doing a three-hour glucose tolerance test, then it's one blood draw every hour for three hours.ast for eight to 12 hours before you have your first blood taken. The glucose tolerance test includes a blood draw before you drink a sugary liquid, and an hour after that as well. If you're doing a three-hour glucose tolerance test, then it's one blood draw every hour for three hours.