In remote Italian villages nestled between the Mediterranean Sea and mountains lives a group of several hundred citizens over the age of 90. Researchers at the University of Rome La Sapienza and University of California San Diego School of Medicine have identified common psychological traits in members of this group.
The study, publishing in International Psychogeriatrics, found participants who were 90 to 101 years old had worse physical health, but better mental well-being than their younger family members ages 51 to 75.
"There have been a number of studies on very old adults, but they have mostly focused on genetics rather than their mental health or personalities," said Dilip V. Jeste MD, senior author of the study, senior associate dean for the Center of Healthy Aging and Distinguished Professor of Psychiatry and Neurosciences at UC San Diego School of Medicine. "The main themes that emerged from our study, and appear to be the unique features associated with better mental health of this rural population, were positivity, work ethic, stubbornness and a strong bond with family, religion and land."
There were 29 study participants from nine villages in the Cilento region of southern Italy. The researchers used quantitative rating scales for assessing mental and physical health, as well as qualitative interviews to gather personal narratives of the participants, including topics such as migrations, traumatic events and beliefs. Their children or other younger family members were also given the same rating scales and additionally asked to describe their impressions about the personality traits of their older relatives.
"The group's love of their land is a common theme and gives them a purpose in life. Most of them are still working in their homes and on the land. They think, 'This is my life and I'm not going to give it up,'" said Anna Scelzo, first author of the study with the Department of Mental Health and Substance Abuse in Chiavarese, Italy.
Interview responses also suggested that the participants had considerable self-confidence and decision-making skills.
"This paradox of aging supports the notion that well-being and wisdom increase with aging even though physical health is failing," said Jeste, also the Estelle and Edgar Levi Chair in Aging and director of the Sam and Rose Stein Institute for Research on Aging at UC San Diego.
Some direct quotes from the study's interviews include:
"We also found that this group tended to be domineering, stubborn and needed a sense of control, which can be a desirable trait as they are true to their convictions and care less about what others think," said Scelzo. "This tendency to control the environment suggests notable grit that is balanced by a need to adapt to changing circumstances."
The researchers plan to follow the participants with multiple longitudinal assessments and compare biological associations with physical and psychological health.
"Studying the strategies of exceptionally long-lived and lived-well individuals, who not just survive but also thrive and flourish, enhances our understanding of health and functional capacities in all age groups," said Jeste.
Study co-authors include: Salvatore Di Somma, University of Rome La Sapienza; David Brenner, Nicholas Schork and Lori Montross, UC San Diego; and Paola Antonini, 3B Biotech Research.
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