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Related Experiment Video

Updated: May 1, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Recognizing improved Complex Figure memory assessment: The Emory 4-choice Complex Figure recognition task.

David W Loring^1,2, Felicia C Goldstein¹, James J Lah¹

¹Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA.

Journal of the International Neuropsychological Society : JINS

|July 16, 2025

Summary

This summary is machine-generated.

The Emory Rey Complex Figure (CF) Recognition task shows better accuracy in identifying cognitive impairment than the Meyers and Lange (M&L) task. This makes the Emory CF task more suitable for diagnosing cognitive decline in patients.

Keywords:

Neuropsychological tests diagnostic techniques memory neurological neuropsychology / methods psychometrics recognition (psychology)short-term

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Area of Science:

Neuropsychology
Cognitive Assessment
Psychometrics

Background:

Rey Complex Figure (CF) Recognition tasks are used to assess cognitive function.
Existing tasks like the Meyers and Lange (M&L) 24-item yes/no format and the Emory 10-item, 4-choice format differ in design and item characteristics.
Understanding the comparative efficacy of these recognition tasks is crucial for accurate cognitive assessment, particularly in clinical populations.

Purpose of the Study:

To compare the psychometric properties and diagnostic sensitivity of the Emory 10-item CF Recognition task and the M&L 24-item CF Recognition task.
To evaluate the performance of both tasks in distinguishing between healthy individuals and patients with movement disorders.

Main Methods:

A large cohort of 1056 healthy participants (Emory Healthy Brain Study) and 223 patients with movement disorders were included.
Both the Emory 10-item, 4-choice CF Recognition task and the M&L 24-item, yes/no CF Recognition task were administered.
Statistical analyses included effect size calculations (Cohen's d), d-prime scoring, and item response theory (IRT) analysis.

Main Results:

Both tasks successfully differentiated between healthy and clinical groups.
The Emory task exhibited a larger effect size (Cohen's d = 1.02) compared to the M&L task (Cohen's d = 0.79).
IRT analysis revealed that many M&L items had poor discrimination and extreme difficulty parameters, reducing sensitivity, especially at lower cognitive proficiency levels. Response sets also influenced item performance.

Conclusions:

The Emory CF Recognition task demonstrates superior psychometric properties and greater sensitivity to cognitive impairment compared to the M&L task.
The Emory task's ability to precisely measure lower levels of cognitive functioning and its brevity make it potentially more effective for diagnostic use.
This suggests the Emory task may be particularly valuable in clinical settings for identifying cognitive decline in patient populations.