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Moral Traits Form the Core of How We Perceive Individual Identity

by Dr. Trupti Shirole on  August 19, 2015 at 11:26 AM Mental Health News   - G J E 4
Neurodegenerative diseases such as frontotemporal dementia and Alzheimer's disease can affect moral behavior. A new study suggests that while we may consider our memory as being essential to who we are, others consider our moral traits to be the core component of our identity. The study findings suggest that moral capacities form the core of how we perceive individual identity. Data collected from family members of patients suffering from neuro-degenerative disease revealed that it was changes in moral behavior, not memory loss, that caused loved ones to say that the patient was not 'the same person' anymore.
 Moral Traits Form the Core of How We Perceive Individual Identity
Moral Traits Form the Core of How We Perceive Individual Identity
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Lead researcher Nina Strohminger of the Yale University School of Management in Connecticut, US, said, "Contrary to what you might think -- and what generations of philosophers and psychologists have assumed, memory loss itself does not make someone seem like a different person. Nor do most other factors, such as personality change, loss of higher-level cognition, depression, or the ability to function in daily activities. This is interesting because it shows that someone can change quite a bit and still seem like basically the same person. On the other hand, if moral faculties are compromised, a person can be rendered unrecognizable."

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The research team recruited 248 participants with family members suffering from one of three types of neurodegenerative disease- frontotemporal dementia, Alzheimer's disease, and amyotrophic lateral sclerosis (ALS). Both frontotemporal dementia and Alzheimer's disease are associated with cognitive changes, and frontotemporal dementia is specifically associated with changes to frontal lobe function that can affect an individual's moral behavior. ALS is primarily associated with loss of voluntary motor control.

The study participants, mostly spouses or partners of the patients, reported the extent to which their loved one showed various symptoms typical of their disease (rating each symptom as none, mild, moderate, or severe). The findings revealed that both Alzheimer's disease and frontotemporal dementia were associated with a greater sense of identity disruption than ALS, with frontotemporal dementia leading to the greatest deterioration in identity. The research team determined that perceived identity change was strongly linked with change in moral traits.

These findings are published in Psychological Science.

Source: IANS
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