Behavioral Changes Could Signal Early Alzheimer’s

Closeup of elderly woman's clasped handsChanges in mood or behavior could be early warning signs of Alzheimer’s, a form of dementia that affects cognition, memory, and daily functioning. At the Alzheimer’s Association International Conference in Toronto, a team of researchers proposed a 34-point checklist assessing for behavioral changes that often signal Alzheimer’s.

The Link Between Personality Changes and Alzheimer’s

For decades, doctors have focused on mild cognitive impairments—such as forgetting birthdays or losing keys—as early signals of Alzheimer’s. Researchers now say behavioral changes could also warn of Alzheimer’s. People with moderate and advanced Alzheimer’s often display behavioral changes, but until recently, doctors thought these changes appeared after cognitive disruptions.

The new proposal encourages doctors to focus on mood and personality as early signals of Alzheimer’s. If doctors use this criteria, mild behavioral impairment could join mild cognitive impairment as a diagnostic tool for dementia.

The checklist questions allow doctors not only to answer yes or no, but also to rank the severity of behavioral changes. Questions include:

  • Is the person less affectionate, and/or lacking in emotions?
  • Has the person lost interest in friends, family, or home activities?
  • Has the person become more impulsive?
  • Has the person lost motivation to act on their obligations or interests?
  • Does the person no longer find food tasteful or enjoyable? Are they eating less?

The Mental Health Impact of Alzheimer’s

More than 5 million Americans live with Alzheimer’s, and 1 in 3 seniors dies with some form of dementia. The mental health effects of this condition can also extend beyond those with a diagnosis. According to the Alzheimer’s Association, more than 15 million Americans provide unpaid care to a loved one with Alzheimer’s, spending an average of $5,000 each year.

Caregiving itself is a risk factor for mental health issues, with caregivers often displaying higher levels of anxiety and depression than non-caregivers.


  1. Belluck, P. (2016, July 25). Personality changes may be early signs of dementia, experts say. Retrieved from
  2. Caregiver health. (n.d.). Retrieved from
  3. Latest Alzheimer’s facts and figures. (2013, September 17). Retrieved from

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  • Leave a Comment
  • sam


    August 4th, 2016 at 11:20 AM

    Sometimes I think that I would very much want to know ahead of time if this was what was destined to befall me, and then there are other times when I just don’t think that I would want to know because the possibilities are just too terrible.

  • Zara


    August 6th, 2016 at 7:50 AM

    But all of these sound like the things that we already know that most Alzheimer’s patients do, having memory loss, they stop eating. Is there anything that is new or that happens even earlier in life that would be a predictor?

  • Betty M

    Betty M

    August 6th, 2016 at 11:38 AM

    The lack of affection was definitely evident with my mother, long before the forgetfulness set in.

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