Doctor insights on:
Yes, see below: People with down's syndrome (trisomy 21) have genetically impaired intellectual function, i.e., low iq, and are also at greater risk to develop alzheimers type dementia, including at younger ages than others. Dementia is not the same as low iq, it's primarily a memory problem. Worsening memory in an adult with trisomy 21 can be evaluated with psychological testing. ...Read more
Yes: Hypothyroidism is one of the most important metabolic causes of reversible cognitive impairment. The term refers to thyroid under function within adults, which results in deficits of the thyroid hormones, thyroxine T4 and triodothyronine t3 (liothyronine). This underfunction may originate in the thyroid itself or in the pituitary or hypothalamus which controls the thyroid gland. ...Read more
I do psychology and when I tested a number of young people using the MOCA cognitive assessment they failed? Do they have dementia?
Neuropsychologist : Dementia is a very serious diagnosis and should NOT be based on the findings of one single test. The MOCA has only been validated for mild cognitive impairment, not full dementia. The patient needs a full evaluation administered by a neuropsychologist who specializes in geriatric issues. A comprehensive battery of tests will be administered to indicate a much more comprehensive clinical picture. ...Read moreSee 1 more doctor answer
Many factors: such as inherited predisposition as in Alzheimer's Dementia , Vascular Dementia is caused by hardening of the arteries with decreased blood flow to the brain causing microvascular changes as in strokes, repeated blows to the brain as in those incurred in sports, boxing, football . Accidents causing concussions or traumatic brain injuries like explosions in war. Diseases like Parkinson's Disease ...Read more
Yes and no: If there is an illness that runs in your family you should speak to your doctor about it. There are many many types of dementia. Some of them are genetically passed on while others aren't. The most common type of dementia is alzheimers disease and there are 2 forms. The early onset form is highly heritable. Alcoholic dementia is not inherited though a propensity for alcohol dependence can be. ...Read moreSee 2 more doctor answers
Common: Dementia is fairly common and the biggest risk factor is age. More than 1 out of 100 people aged 65 or less have dementia. Roughly 5 out of 100 of those aged 70, 10 of 100 aged 75, 25 of 100 aged 80 and roughly 45-50 out of 100 of those 85 years old and older have dementia. ...Read moreSee 1 more doctor answer