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by the cognitive reserve in modifying           analyzes different variables associated
                  the course of different neurodegenera-          with cognition, health, lifestyles, and
                  tive pathologies, including Alzheimer's         brain structure in two cohorts of peo-
                  disease. Likewise, the socioeconomic            ple over 90 from Madrid and Braga.
                  status associated with a person's area
                  of residence can be understood as an            This research program is led by the
                  environmental factor that determines            CIEN Foundation and it includes re-
                  to some extent the probability of de-           searchers from four different institu-
                  veloping a possible cognitive impair-           tions in Spain (CIEN Foundation, Ma-
                  ment.                                           drid Health Autonomous Organization,
                                                                  Complutense University of Madrid, and
                  The interest of the Department for this         Biomedical Technology Center), Portu-
                  construct focuses on analyzing diffe-           gal (University of Minho), and Denmark
                  rent variables that apparently have the         (University of Southern Denmark).
                  capacity to confer cognitive reserve
                  and therefore could play a protective           The results of PILEP+90 will allow ob-
                  role against cognitive impairment.              taining reliable data on the prevalence
                  Within the Vallecas Project, this set of        of cognitively healthy and cognitively
                  variables is being studied individually         impaired long-lived people, as well as
                  and as groups, with special emphasis            validating a battery of clinical tests to
                  on the activities of daily life performed       study the elderly. In addition, thanks
                  during mid-life. Likewise, different            to the combination and exploitation
                  variables of lifestyle are examined to          through machine learning techniques
                  classify them as risk or protective fac-        of demographic, lifestyle, clinical, cog-
                  tors against the appearance of demen-           nitive and neuroimaging data collec-
                  tia. The results have shown that both           ted in the study, PILEP+90 is expected
                  the variables associated with the indi-         to help delay the effects of cognitive
                  vidual socioeconomic level and those            aging, to reduce the risk of developing
                  associated with the neighborhood of             dementia, promote the level of func-
                  residence play a complementary role             tional independence and increase the
                  in the conversion to cognitive impair-          quality of life of all older people
                  ment.                                           Study of non-pharmacological thera-

                                                                  pies for the prevention and modifica-
                  Spain-Portugal Longevity Research
                  Program (PILEP + 90). PILEP + 90 is a           tion of the course of Alzheimer's disea-
                  research project designed to examine            se. Non-pharmacological interventions
                  the role of biological and environmen-          have usually three specific objectives:
                  tal determinants associated with lon-           to stimulate cognitive processes, pro-
                  gevity and, more specifically, demen-           mote the level of autonomy and, ulti-
                  tia-free longevity. For this, the study         mately, increase the quality of life of
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