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Background <p>Cognitive impairment is among the most frequent and disabling non-motor symptoms of Parkinson’s disease (PD), often emerging early and substantially impacting autonomy and quality of life. While cognitive stimulation (CS) is supported in other neurodegenerative conditions, its role in PD is less explored. This study aimed to compare the efficacy of a therapist-guided, home-based CS program, delivered via a virtual reality rehabilitation system, with a conventional in-person CS intervention.</p> Methods <p>Of 123 individuals screened, 45 patients with PD and mild cognitive impairment (PD-MCI) were randomized to either the tele-rehabilitation group (TRG; n = 25) or the control group (CG; n = 20). Both groups received the same standardized 4-week CS program (20 multi-domain sessions, 5&#xa0;days/week), targeting memory, attention, executive functions, language, and visuospatial skills. The TRG trained at home via the VRRS platform under remote supervision, while the CG attended outpatient sessions. Neuropsychological and clinical outcomes were assessed at baseline (T1), post-intervention (T2), and 6-month follow-up (T3). Analyses included repeated-measures ANOVA, multivariate linear regression, and categorical comparisons based on predefined clinical cut-offs.</p> Results <p>All participants completed the intervention with adherence exceeding 90% in both groups. At T2, the TRG showed greater improvements than the CG in global cognition, working memory, and delayed recall. These effects remained significant after adjusting for age, sex, baseline performance, and cognitive reserve index, and were robust to false discovery rate correction. Regression models confirmed these improvements. Categorical analyses also showed a marked reduction in pathological scores in the TRG in the same domains.</p> Conclusion <p>A short-term, therapist-guided CS program delivered via tele-rehabilitation effectively improved cognitive functioning in PD-MCI, with partial benefits maintained at 6 months, especially in memory and executive domains. The intervention was particularly beneficial for memory and executive functions, highlighting telemedicine as a promising and accessible option for cognitive care in PD.</p>

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Cognitive stimulation in Parkinson’s disease with mild cognitive impairment

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月27日

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  • Jolanda Buonocore,
  • Noemi Iaccino,
  • Giusi Torchia,
  • Francesca Curcio,
  • Fabio Michelangelo Pirrotta,
  • Marianna Contrada,
  • Caterina Pucci,
  • Antonio Gambardella,
  • Aldo Quattrone,
  • Alberto Pilotto,
  • Loris Pignolo,
  • Gennarina Arabia

摘要

Background

Cognitive impairment is among the most frequent and disabling non-motor symptoms of Parkinson’s disease (PD), often emerging early and substantially impacting autonomy and quality of life. While cognitive stimulation (CS) is supported in other neurodegenerative conditions, its role in PD is less explored. This study aimed to compare the efficacy of a therapist-guided, home-based CS program, delivered via a virtual reality rehabilitation system, with a conventional in-person CS intervention.

Methods

Of 123 individuals screened, 45 patients with PD and mild cognitive impairment (PD-MCI) were randomized to either the tele-rehabilitation group (TRG; n = 25) or the control group (CG; n = 20). Both groups received the same standardized 4-week CS program (20 multi-domain sessions, 5 days/week), targeting memory, attention, executive functions, language, and visuospatial skills. The TRG trained at home via the VRRS platform under remote supervision, while the CG attended outpatient sessions. Neuropsychological and clinical outcomes were assessed at baseline (T1), post-intervention (T2), and 6-month follow-up (T3). Analyses included repeated-measures ANOVA, multivariate linear regression, and categorical comparisons based on predefined clinical cut-offs.

Results

All participants completed the intervention with adherence exceeding 90% in both groups. At T2, the TRG showed greater improvements than the CG in global cognition, working memory, and delayed recall. These effects remained significant after adjusting for age, sex, baseline performance, and cognitive reserve index, and were robust to false discovery rate correction. Regression models confirmed these improvements. Categorical analyses also showed a marked reduction in pathological scores in the TRG in the same domains.

Conclusion

A short-term, therapist-guided CS program delivered via tele-rehabilitation effectively improved cognitive functioning in PD-MCI, with partial benefits maintained at 6 months, especially in memory and executive domains. The intervention was particularly beneficial for memory and executive functions, highlighting telemedicine as a promising and accessible option for cognitive care in PD.