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Validity and Normative Data for the Biber Figure Learning Test: A Visual Supraspan Memory Measure.

Katherine A Gifford¹, Dandan Liu¹, Jacquelyn E Neal¹

¹Vanderbilt University Medical Center, Nashville, TN, USA.

|May 30, 2018

Summary

The Biber Figure Learning Test (BFLT) shows promise for assessing visuospatial learning and memory in older adults. Lower BFLT scores correlate with brain health indicators like smaller medial temporal lobe volumes and higher tau levels.

Keywords:

aging episodic memory normative data regression-based normative data visual memory

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Area of Science:

Neuroscience
Psychology
Gerontology

Background:

The Biber Figure Learning Test (BFLT) is a visuospatial serial figure learning test.
Evaluating its psychometric properties and biological correlates is crucial for clinical application in aging populations.

Purpose of the Study:

To evaluate the Biber Figure Learning Test (BFLT) for biological correlates and psychometric properties.
To generate normative data for the BFLT in a cohort of nondemented older adults.
To assess the BFLT's sensitivity to biomarkers of brain aging.

Main Methods:

Nondemented individuals (n=332) from the Vanderbilt Memory & Aging Project underwent a comprehensive neuropsychological assessment.
Structural brain MRI and cerebrospinal fluid (CSF) biomarkers of brain health were analyzed.
Adjusted regression models were used to correlate BFLT indices with neuroimaging and CSF data.

Main Results:

Lower BFLT performance (Total Learning, Delayed Recall, Recognition) was associated with smaller medial temporal lobe volumes.
Higher CSF tau concentrations, but not CSF amyloid, correlated with poorer BFLT performance.
BFLT indices demonstrated strong correlations with other measures of memory and visuospatial skills.

Conclusions:

The BFLT effectively assesses visuospatial learning and memory, sensitive to biomarkers of unhealthy brain aging.
Enhanced normative data increase the clinical utility of the BFLT for older adults.
The BFLT is a valuable tool for evaluating brain health in aging populations.