If the clock is drawn correctly, that’s a pass if there are mistakes, the person drawing has failed. There can be elaborate scoring methods, assigning points based on the positioning of numbers and hands, but simple pass/fail scoring has been shown as effective. For more on the difference between pre-drawing the circle and not, see below.) If the clock is drawn abnormally, for example, if the numbers are in the wrong places, this indicates the possibility of dementia and a need for further evaluation by a qualified doctor. (Both methods have been shown as effective. ![]() Other times, the tester will not provide the circle, nor say the words “number” or “hands,” to avoid giving hints. Someone who may have dementia is asked to draw a clock showing the time as “10 minutes past 11.” Sometimes the subject is provided a pre-drawn circle and asked to fill in the numbers and hands. It simply means you need to make a doctor’s appointment so your loved one can be evaluated by an expert and receive a medical diagnosis. If the clock is drawn incorrectly, that is not cause for despair. It’s important to remember that no true diagnosis can be made without further tests from a doctor. Although the test may not seem scientific, it is backed by science and has contributed to earlier diagnoses and improved quality of life for persons with dementia. The Alzheimer’s Clock-Drawing Test also provides a powerful visual for families to see that something is wrong with their loved ones. ![]() While a true diagnosis of Alzheimer’s or dementia requires more than a few minutes of drawing with a pencil and paper, the Alzheimer’s Clock-Drawing Test is useful for identifying issues in thinking ability that might indicate the presence of these illnesses. The Alzheimer’s Clock-Drawing Test also known as a CDT, is a fast and simple way of spotting warning signs for Alzheimer’s disease and other related dementias that can be administered by non-professionals in the comfort of one’s home. ![]() Get Help Qualifying for Medicaid What is the Alzheimer’s Clock-Drawing Test? "Positive Approach" for Emotional Distress.How to Converse with People with Dementia.
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