It Can Be Difficult to Determine the Cause of Intellectual Decline

Experts report that as people age, dementia and depression are both common conditions and may be confused with one another. Additionally, one may lead to the other as depression is linked to a higher risk for dementia, and dementia can cause depression.

The Harvard Medical School explains depression in the elderly can lead to a “phenomenon called pseudodementia—an apparent intellectual decline that stems from a lack of energy or effort.” They say individuals with this problem are often forgetful, move slowly, exhibit low motivation and signs of slowing mental prowess. If a loved one experiences these types of symptoms, their doctor may treat it with the same medications used to treat depression. As the person’s mood improves, they typically begin to function at their previous level.

Professionals share a few ways depression and dementia differ to help families and healthcare providers determine what is going on. One important difference is the time span of the decline. A person with depression typically shows a faster decline in mental functioning than those suffering from Alzheimer’s or other dementia-related diseases. Also, Alzheimer’s disease causes confusion and disorientation as well as problems with short-term memory. Depression causes problems with concentration.

People suffering from depression do not have more than the usual difficulties with writing, speaking and motor skills, and are more aware of any memory problems they are experiencing. People suffering from Alzheimer’s disease seem indifferent to those types of changes. However, to determine the cause of the problem, it is important to make an appointment with the person’s healthcare provider.

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Source: health.harvard.edu/mind-and-mood/is-it-dementia-or-depression