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Updated: Dec 8, 2025
Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
Published on: December 16, 2022
Screening for cognitive impairment with the montreal cognitive assessment at six months after stroke and transient
Xiaoling Liao1, Lijun Zuo1, Yuesong Pan2
1Department of Neurology, Beijing Tiantan Hospital, Capital Medical University , Beijing, China.
Objective:
Cognitive impairment usually occurs in the acute phase after stroke, but most stroke survivors experience some form of long-term cognitive deficit. The aim of this study was to establish the cutoff point of the Montreal Cognitive Assessment (MoCA-Beijing) in screening for cognitive impairment (CI) at 6 months of ischemic stroke or transient ischemic attack (TIA).
Methods:
A total of 301 stroke patients and 15 TIA patients were recruited. Patients were assessed at six months by the MoCA-Beijing and a formal neuropsychological battery. The 1.5 SD below the level of the norm on several tests indicated cognitive impairment (CI).
Results:
Most stroke and TIA patients were in their 60s (61.23 ± 10.60 years old). The optimal cutoff point for MoCA-Beijing in discriminating patients with CI from those with no cognitive impairment (NCI) was 24/25 (sensitivity 63.28%, specificity 71.22%, PPV = 73.68%, NPV = 60.37%, classification accuracy = 66.72%). The predominant cognitive deficits were visuospatial ability (84.85%), and then attention/executive function (79.27%).
Conclusion:
The MoCA-Beijing cutoff score for differentiating CI from NCI after stroke and TIA at six months was at 24/25, and it is important for routine clinical practice.
