Individuals with elevated blood sugar levels are potentially at risk of developing memory problems, according to a new study presented in the latest online issue of journal Neurology, which was published by the American Academy of Neurology. The memory skills of participants were put to the test, using the Rey Auditory Verbal Learning Test, and blood samples were subsequently obtained to determine their blood sugar, or glucose, levels. The Rey Verbal Auditory Learning Test is designed to evaluate immediate memory recall, whereby participants are presented with a list of 15 entirely unrelated words and tasked with subsequent recall of as many of these words as possible.
Extensive damage to the hippocampus, affecting both hemispheres of the structure, leads to difficulty in forming new memories (anterograde amnesia) and old memories (retrograde amnesia). The hippocampus is one of the first parts of the brain to undergo significant damage in patients suffering with Alzheimer’s disease.
Participants that had low blood sugar levels, typically, showed greater aptitude for recalling words during the Rey Verbal Auditory Learning Test, yielding relatively high memory scores.
The higher the concentration of glucose within the bloodstream, the more glycated hemoglobin will be present.
The researchers go on to explain that the study is relatively limited in terms of the sample size employed, pointing out that it does not substantiate cause and effect. Speaking to USA Today, Robert Ratner, chief scientific and medical officer for the American Diabetes Association, also calls for caution in interpreting the results. Learn to easily read a normal blood sugar levels chart, A good grasp and understanding of normal blood sugar levels chart is necessary whether you have diabetes or not.
Hemoglobin a1c test : get information about the results, Hemoglobin a1c test is used as a standard tool to determine blood sugar control for patients with diabetes. Normal a1c levels for diabetics – diabetes tips — great, Knowing what normal a1c levels for diabetics is a very important way to determine if you should be worry about your blood sugar test result.

Measuring your hemoglobin a1c for average blood sugar, Your average blood sugar can be measured by a hemoglobin a1c test.
Blood sugar – wikipedia, the free encyclopedia, The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal.
Correlation between hemoglobin a1c (hba1c) and average, Correlation between hemoglobin a1c (hba1c) and average blood glucose: can hba1c be reported as estimated blood glucose concentration?.
A1c &#151 your blood sugar average for the last couple of, Sign up for free dlife newsletters . Nathan formula to calculate the average blood glucose, Nathan formula to calculate the average blood glucose level. How to translate fructosamine level to average blood sugar, Diabetics are advised to use self-monitoring devices to measure their blood glucose level daily and to try to keep their glucose in a normal range.
Participants had no history of diabetes or pre-diabetes, a condition which is witnessed in patients displaying a higher than normal blood glucose level, but not high enough to be classified as full-blown diabetes. Magnetic resonance imaging (MRI) brain scans were also performed to assess the size of a particular part of the brain, called the hippocampus, in each person.
The process is then reiterated on two further occasions, and the final score is given as the total number of words recalled from all three tests. Specifically, the hippocampus is involved in episodic and declarative memories (memories that are readily verbalized, such as simple facts). Chris Zarrow, of the University of Southern California,  and his colleagues, found a relationship between the decline in the number of neurons within a specific part of the hippocampus of Alzheimer’s patients.
As red blood cells live for an average of around 120 days, the HbA1c measurement can provide an average blood glucose level over this period.

She articulates her desire to see further investigation into the influence of reduced calorie consumption and enhanced physical activity in the brain structure and memory recall abilities of participants. Further clinical trials are mandated to ascertain whether reductions in blood sugar levels could aid in staving off dementia. He points out that the study only took a small snapshot of the blood glucose levels and memories of subjects, and does not definitively link the two factors. Indeed, in a comprehensive study, published in the New England Journal of Medicine, entitled glucose levels and risk of dementia, researchers substantiated these claims. Clare Walton, who works for the Alzheimer’s Society, argues the importance of this research in understanding more about dementia.
Looking at glycated hemoglobin levels from over 2000 subjects, the researchers found higher glucose levels to increase a person’s likelihood of developing dementia, in diabetics and non-diabetics. Maguire of the Wellcome Department of Cognitive Neurology at University College London, looked into the cognitive affects of hypoxia-induced damage on the hippocampus of a patient called Jon. Jon demonstrated severely limited episodic memory, and could remember very little in the way of past events.

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