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Normal ageing presents subtle cognitive changes that can be detected before meeting the criteria for Mild cognitive impairment (MCI). Older people with low cognitive reserve and who receive limited cognitive stimulation are at greater risk of deterioration. In this regard, cognitive stimulation (CS) has been identified as an intervention that reduces this risk, provided that its design considers the differences in the level of cognitive reserve (CR) acquired throughout life and the baseline level of cognitive functioning. The general objective of this study is to evaluate, through a randomized clinical trial, the effectiveness of a computerized cognitive stimulation program, designed and adapted from Occupational Therapy based on the level of cognitive reserve in older adults in Primary Care. 100 participants will be randomized in a stratified manner according to the level of cognitive reserve (high/low), assigning 50 participants to the control group and 50 participants to the intervention group. The intervention group will carry out a computerized cognitive stimulation intervention designed and adapted from occupational therapy according to the level of cognitive reserve, through the "stimulus" platform. The main result expected to be achieved is the improvement of higher brain functions. As secondary results, the investigators expect that those cognitive aspects most vulnerable to ageing will decrease more slowly (in areas such as memory, executive function, attention and processing speed) and that the cognitive reserve of the participants will increase, in addition to being able to balance gender differences in these aspects. The investigators think that these results can positively impact the creation of adapted, meaningful and stimulating CS programs in older adults to prevent MCI and experience healthier ageing.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cognitive Stimulation program | Experimental |
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| Control Group | Active Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Computerized cognitive stimulation program | Behavioral |
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| Measure | Description | Time Frame |
|---|---|---|
| MEC-35 (Spanish version of Folstein's Mini-Mental) | The primary outcome variable is MEC-35 (Spanish version of Folstein's Mini-Mental): the most widely used cognitive test in Primary Care, adapted by Lobo to the Spanish population (Lobo, A., et al 1979). It evaluates 8 components: temporal orientation, spatial orientation, fixation memory, attention, calculation, short-term memory, language and praxis. Its sensitivity is 85-90% and its specificity 69% (Lobo, A. et al 1999). Although its cut-off point for detecting cognitive impairment is 24, in NC, scores between 28-35 points are considered (Friedman et al., 2012; Vinyoles Bargalló et al., 2002). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| Cognitive Reserve Questionnaire (CRQ) | To determine the level of cognitive reserve (Landenberger et al., 2019) the most suitable questionnaire is the Cognitive Reserve Questionnaire (CRQ) (Rami et al., 2011). It has eight items with between three and six response options. Each item relieves a CR factor: schooling, parental schooling, courses, occupation, musical training, languages, reading and intellectual games. The maximum score is 25 points. Between 7 and 9 points is considered a medium-low range of CR. Between 10-14 points medium-high range, and ≥15 points, high CR. It is an instrument with high reliability and acceptable convergent validity (Martino et al., 2021). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| Measure | Description | Time Frame |
|---|---|---|
| Set-Test | -Set-Test (Pascual, L., Martinez, J., Modrego, P., Mostacero, E., Lopez del Val, J., & Morales, 1990): measures verbal fluency of categorical type: colors, animals, fruits and cities, asking the patient to say elements of the 4 categories in one minute. It presents a sensitivity of 87% and a specificity of 67%. | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Rosa Magallón Botaya | Contact | +34 622 71 97 59 | gaiap.contacto@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Centro de Salud Arrabal | Recruiting | Zaragoza | Zaragoza | 50015 | Spain |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41060253 | Derived | Calatayud E, Olivan-Blazquez B, Aguilar-Latorre A, Cuenca-Zaldivar JN, Magallon-Botaya RM, Gomez-Soria I. Digital Competence and Cognitive Reserve in Relation to Different Domains of Cognitive Functioning in Older Adults and Factors Modulating This Association: A Cross-Sectional Study of a Randomized Clinical Trial. Geriatr Gerontol Int. 2025 Nov;25(11):1525-1535. doi: 10.1111/ggi.70199. Epub 2025 Oct 8. |
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The primary objective of this plan is to disseminate individual participant data (IPD) from our research study to a wide audience of researchers and stakeholders. By publishing in open-access journals and presenting at conferences, the investigators aim to maximize the visibility and accessibility of our data, fostering collaboration and advancing scientific knowledge in our field.
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| Face-to-face training-explanatory session | Behavioral | The CG will undergo a group and face-to-face training-explanatory session, where the importance of maintaining the usual level of cognitive activity will be emphasized. |
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| The SDMT or Symbols and Digits Test | The SDMT or Symbols and Digits Test measures EF, processing speed and attention. It is a test with good accuracy, sensitivity and specificity, useful for predicting future MCI. The SDMT card consists of a header with a key that relates the numbers from 1 to 9 with different symbols; the participant has 90 seconds to match a specific number with a particular geometric figure. The response can be written or verbal, and the maximum total response time is five minutes. The ideal cut-off point is 44 points, although 38 points can be used for a more specific result (Baudouin et al., 2009). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| Color Word Stroop Test (CWST) | Color Word Stroop Test (CWST) (Cheng et al., 2012) assesses perseveration, cognitive flexibility, EF and attention (Uttl & Graf, 1997). It consists of naming a color with and without the presence of conflicting or incongruent stimuli. The test consists of three sheets: in the first one, colors written in black ink are repeated, in the second one colors with their geometric figure, and in the third one colors written in different ink. The correct answers in the three sheets are collected. This test shows a decrease by age and gender (the most impaired EF in men) (Periáñez et al., 2021; Van der Elst et al., 2008). The limits considered normal are 35-65 points (Graf et al., 1995). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| Verbal Learning Test (TAVEC) | Verbal Learning Test (TAVEC) Spanish version of the California Verbal Learning Test (CVLT). It evaluates learning and episodic memory capacity. The test consists of memorizing a list of 16 words (list A), belonging to four semantic categories, and their subsequent recall. Five trials are repeated and a second list of 16 words (list B) is administered. Subsequently, recall of list A and recall by semantic categories is requested. After about 20 minutes, free recall of word list A and recall by semantic categories is requested again. Both Spearman's coefficient and Cronbach's α indicate high reliability (Nieto Barco et al., 2014). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| Mobile Device Proficiency Questionnaire in Short Form (MDPQ-16) | Mobile Device Proficiency Questionnaire in Short Form (MDPQ-16). Tests experience and aptitude for using mobile devices in eight domains: mobile device basics, communication, data and file storage, Internet, calendar, entertainment, privacy, troubleshooting, and software management. Each of the domains is scored on a 5-point scale (e.g., 1 = never tried , 2 = not at all , 3 = not very easily , 4 = somewhat easily , 5 = very easily). The total score ranges from 8 to 40, with higher scores reflecting greater competence. Internal consistency is excellent (Cronbach's α=.96).(Roque & Boot, 2018). | An initial evaluation (pre), post-intervention (in a period of 2 to 7 days after the last intervention session) and two follow-up evaluations (at 6 and 12 months) will be carried out. |
| ID | Term |
|---|---|
| D060825 | Cognitive Dysfunction |
| ID | Term |
|---|---|
| D003072 | Cognition Disorders |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |
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