Sydney, Sep 13 : Lifestyle changes may help to improve cognition in older adults experiencing a cognitive decline that precedes dementia, according to a new study.
“We’ve known for some time that lifestyle changes such as these can reduce dementia risk in the general population,” said study lead author Mitchell McMaster from the Australian National University.
“What this study adds is that with the right intervention, people experiencing cognitive decline may retain sufficient neuroplasticity for their brain to ‘bounce back’ from decline,” McMaster added.
In the study published in the Journal of the American Geriatrics Society, 119 individuals older than 65 years of age who were experiencing cognitive decline were randomised to a control group or an intervention group for 8 weeks.
The control group received online information related to dementia and lifestyle risk factors, Mediterranean diet, physical activity, and cognitive engagement.
Participants were instructed to implement this information into their own lifestyles.
The intervention group received the same online information, plus active components to assist with implementing this information into their lifestyles: dietitian sessions, an exercise physiologist session, and online brain training.
Over 6 months of follow-up, investigators noted that participants in the intervention group were able to improve their lifestyle and had higher cognition scores than those in the control group.
The results suggest that lifestyle-based changes may modify the course of cognitive decline.
“Results support the hypothesis that improvements in lifestyle risk factors for dementia can lead to improvements in cognition over a short time frame with a population experiencing cognitive decline,” the study authors wrote.
“Outcomes from this trial support the conduct of a larger and longer trial with this participant group,” they noted.
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