Adults across the lifespan including younger adults, mid- to late-adulthood, and memory clinic patients
Care Setting
Remote assessment suitable for clinical screening and large-scale research
Key Highlights
OCTAL provides validated, cross-cultural cognitive assessments with equivalent performance in English- and Chinese-speaking adults.
A brief 5-minute OCTAL screen distinguishes Alzheimer's disease dementia from subjective cognitive decline with high accuracy (AUC=0.92), and a 20-minute subset improves accuracy (AUC=0.97).
Test-retest reliability is very good (ICC ≥ 0.79), supporting OCTAL's clinical utility and sustainability as an evolvable digital tool.
Guideline-Based Recommendations
Diagnosis
Use OCTAL as a remote cognitive screening tool to differentiate Alzheimer's disease dementia from subjective cognitive decline.
Consider OCTAL as an alternative or complement to standard paper-based cognitive tests.
Management
Implement OCTAL for scalable cognitive monitoring in clinical and research settings.
Leverage OCTAL's modular architecture for ongoing updates and adaptation to diverse populations.
Monitoring & Follow-up
Employ OCTAL for repeated cognitive assessments due to its demonstrated test-retest reliability.
Use normative data stratified by age, with future adjustments for gender and education as data become available.
Risks
Patient-level data privacy must be maintained; patient data are not publicly available.
Ensure appropriate licensing and academic use permissions when deploying OCTAL.
Patient & Prescribing Data
Memory clinic patients and adults undergoing cognitive screening for dementia
OCTAL enables early and accurate detection of cognitive impairment, facilitating timely diagnosis and intervention planning.
Clinical Best Practices
Incorporate OCTAL into routine cognitive assessments to enhance early dementia detection.
Use OCTAL's open-access normative data to interpret individual test results accurately.
Apply OCTAL in multilingual and multicultural populations given its validated cross-cultural applicability.
by Sijia Zhao, Sofia Toniolo, Qian-Yuan Tang, Anna Scholcz, Akke Ganse-Dumrath, Claudia Gendarini, M. John Broulidakis, Sian Thompson, Sanjay G. Manohar, Masud Husain
