Two recent studies focus on everyday behaviors that, at first glance, seem unrelated to dementia: procrastination and the deliberate avoidance of health information. Both findings suggest that such behavior can provide valuable clues about cognitive risks while simultaneously hindering access to timely support.
That lack of drive is a known precursor to cognitive impairment is considered established in research. An Irish research team from Maynooth University has now investigated whether Procrastination, persistent procrastination can serve as an early behavioral sign of cognitive decline. The study was based on the US Health and Retirement Study with 549 adults aged 60 and over, who were followed for a period of six years.
Procrastination as an early warning signal from the brain
The results show that people with mild cognitive impairment (MCI) and people with dementia procrastinated significantly more than cognitively healthy individuals. Since no significant difference was found between the MCI and dementia groups, the researchers suggest that the increase in procrastination begins very early in the neurodegenerative process. In the longitudinal analysis, procrastination also increased the probability of a transition from normal cognitive function to mild cognitive impairment, particularly pronounced in individuals aged 80 and over. The researchers suspect that this behavior is a sign of the gradual decline of executive functions and the result of anxiety- or stress-related avoidance: affected individuals do not procrastinate out of unwillingness, but because the ability for action planning in the brain is decreasing and behavioral tendencies are shifting due to the disease.
Information avoidance as a conscious defense mechanism
While procrastination is more of an involuntary signal from the brain, a second study sheds light on a conscious protective reaction: the avoidance of medical information. A systematic review by the Max Planck Institute for Human Development evaluated 92 studies with a total of over 564,000 participants from 25 countries.
The result is remarkable: around 30 percent of people tend to avoid medical information. This proportion is particularly high in Alzheimer's dementia at 41 percent, significantly higher than, for example, diabetes at 24 percent. The study identified emotional and cognitive factors as the strongest drivers: perceived stigma, information overload, lack of trust in the healthcare system, and low self-efficacy. Interestingly, gender and ethnicity did not play a reliable role as predictors, putting previous individual studies into perspective.
Two sides of the same coin
Taken together, both studies show why the path to diagnosis is often so arduous. On the one hand, the onset of the illness itself causes important errands and doctor's visits to be postponed. On the other hand, emotional anxieties build an additional wall of avoidance. For practical application, this means: Low-threshold and de-stigmatizing communication is crucial to alleviate the fear of information and facilitate early support.
Tip for practiceBe aware of changes in your daily life or in the lives of those close to you. Even seemingly harmless patterns, such as increasing procrastination, can be an indicator worth investigating. The offer digiDEM IQCODE The digiDEM Bavaria app allows patients and their relatives to systematically and easily record and review changes in daily life.
Here is the link to the study:
Procrastination as a marker of cognitive decline. Prevalence and predictors of medical information avoidance
