Cognitive rehabilitation in MS remains a cornerstone for managing the cognitive decline often seen in progressive disease stages. However, clinical outcomes often vary significantly between patients. Consequently, a secondary analysis of the landmark CogEx trial investigated which training modules drive the most benefit. The researchers also examined which baseline characteristics predict a positive response to computerized training using the RehaCom platform.

Optimizing Cognitive Rehabilitation in MS Through Module Selection

The study found that not all training modules provide the same level of cognitive benefit. Specifically, the Attention/Concentration module showed the strongest correlation with improvements in processing speed. Furthermore, significant gains were also noted in modules focusing on Alertness and Divided Attention. Because processing speed is a primary deficit in progressive MS, focusing on these specific modules may enhance the efficiency of rehabilitation programs.

Predictors of Treatment Response

Identifying potential responders allows clinicians to tailor interventions more effectively. According to the findings, younger age and lower baseline disability, measured by the Expanded Disability Status Scale (EDSS), were significant predictors of success. Interestingly, the baseline cognitive score on the Symbol Digit Modalities Test (SDMT) did not predict whether a patient would improve. Therefore, even patients with lower initial scores might still experience meaningful gains if they are younger and have lower physical disability.

In summary, the specific choice of rehabilitation modules plays a vital role in patient outcomes. Clinicians should prioritize attention-based training to maximize processing speed improvements. Additionally, starting cognitive interventions earlier in the disease course may yield better results before disability levels increase. Consequently, these insights provide a roadmap for more personalized care in progressive MS management.

Frequently Asked Questions

Which RehaCom module is most effective for improving processing speed?

The Attention/Concentration module showed the strongest link to improvements in information processing speed among participants with progressive MS.

Does a low baseline cognitive score mean a patient won\'t benefit?

No, the study indicated that baseline SDMT scores do not predict responsiveness. Patients with lower initial scores can still achieve significant improvements.

How do age and disability affect the success of cognitive training?

The research found that younger patients and those with lower EDSS scores (lower physical disability) are more likely to respond positively to cognitive rehabilitation.

Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or a professional relationship. Always seek the advice of a qualified healthcare provider for any questions regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

1. Meza C et al. Looking Beyond Dose: Identifying Responders and Non-Responders to RehaCom Computerized Cognitive Rehabilitation in Progressive MS-The CogEx Study. Neurorehabil Neural Repair. 2026 Apr 25. doi: 10.1177/15459683261432556. PMID: 42033185.


2. Feinstein A et al. Cognitive rehabilitation and aerobic exercise for cognitive impairment in people with progressive multiple sclerosis (CogEx): a randomised, blinded, sham-controlled trial. Lancet Neurol. 2023.


3. Nauta I et al. Neurophysiological brain function predicts response to cognitive rehabilitation and mindfulness in multiple sclerosis: a randomized trial. J Neurol. 2024.