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A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
Published on: November 13, 2016
Reliable change indices and regression-based measures for the Rey-Osterreith Complex Figure test in partial epilepsy
L Nakhutina1, P Pramataris, C Morrison
1New York University Langone Medical Center, Comprehensive Epilepsy Center, 223 East 34th Street, New York, NY 10016, USA. luba_ny@hotmail.com
The Clinical Neuropsychologist
|July 17, 2009
Summary
The Rey-Osterreith Complex Figure (ROCF) provides reliable change indices for epilepsy surgery patients. This study establishes cutoffs for evaluating long-term outcomes using ROCF test-retest performance.
Area of Science:
- Neuropsychology
- Epilepsy Surgery Evaluation
Background:
- The Rey-Osterreith Complex Figure (ROCF) is a standard tool for assessing cognitive function in epilepsy surgery candidates.
- Reliable change indices are crucial for interpreting longitudinal changes in neuropsychological assessments.
Purpose of the Study:
- To determine reliable change indices (RCIs) and regression-based measures for the ROCF in partial epilepsy patients.
- To establish benchmarks for evaluating long-term outcomes after epilepsy surgery using the ROCF.
Main Methods:
- Assessed ROCF test-retest performance in 30 partial epilepsy patients over a mean interval of 33.7 months.
- Calculated inter-rater reliability for ROCF scoring (Copy: 0.963, Delayed Recall: 0.986).
- Derived adjusted RC (90% CI) cutoff values for ROCF Copy and Delayed Recall.
Main Results:
- Established ROCF Copy adjusted RC cutoffs at (
or=8.4) and Delayed Recall at ( or=10.0). - Regression analyses indicated baseline ROCF score significantly predicted follow-up scores.
- Demographic and clinical variables (age, education, seizure duration, age of onset) were not significant predictors.
Conclusions:
- The derived RCIs and cutoffs offer a method for assessing long-term changes in epilepsy patients using the ROCF.
- These findings aid in the interpretation of ROCF performance for monitoring outcomes in epilepsy surgery evaluations.
- The study provides valuable psychometric data for the clinical application of the ROCF in long-term epilepsy patient care.

