Repetitive negative thinking linked to dementia in later life:Study


Researchers have discovered that repetitive negative thinking in later life could elevate the chance of Alzheimer’s illness. The findings, printed in the journal Alzheimer’s & Dementia, revealed that persistently participating in negative thinking patterns was linked to cognitive decline and higher deposits of two dangerous proteins answerable for Alzheimer’s illness.

“Here, we found that certain thinking patterns implicated in depression and anxiety could be an underlying reason why people with those disorders are more likely to develop dementia,” research lead writer Natalie Marchant from the University College London in the UK.

In the research, the analysis workforce studied 292 folks aged over 55 and located ‘repetitive negative thinking’ (RNT) is linked to subsequent cognitive decline in addition to the deposition of dangerous mind proteins linked to Alzheimer’s. Over a interval of two years, the research members responded to questions on how they usually take into consideration negative experiences, specializing in the RNT patterns like rumination concerning the previous and fear concerning the future.

The members additionally accomplished measures of despair and nervousness signs. Their cognitive perform was assessed, measuring reminiscence, consideration, spatial cognition, and language. Some (113) of the members additionally underwent the PET mind scans, measuring deposits of tau and amyloid, two proteins which trigger the most typical kind of dementia, Alzheimer’s illness, after they construct up in the mind.

The findings confirmed that individuals who exhibited increased RNT patterns skilled extra cognitive decline over a four-year interval, and declines in reminiscence (which is among the many earlier indicators of Alzheimer’s illness).They had been extra possible to have amyloid and tau deposits in their mind. Depression and nervousness had been related to subsequent cognitive decline however not with both amyloid or tau deposition, suggesting that RNT could possibly be the principle motive why despair and nervousness contribute to Alzheimer’s illness threat.“We propose that repetitive negative thinking maybe a new risk factor for dementia as it could contribute to dementia in a unique way,” Marchant stated.

The researchers recommend that RNT could contribute to Alzheimer’s threat by way of its affect on indicators of stress corresponding to hypertension, as different research have discovered that physiological stress can contribute to amyloid and tau deposition.They famous that RNT ought to now be additional investigated as a possible threat issue for dementia, and psychological instruments, corresponding to mindfulness or meditation, must be studied to see if these may cut back dementia threat.

—IANS

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