Prosopagnosia diagnosis is not standardized. Doctors must use neuropsychological assessments including BFRT and RMF. The Benton Facial Recognition Test is a three-part test to match unfamiliar faces. The Warrington Recognition Memory for Faces is a subset of the Recognition Memory Test, which involves testing patients on verbal and nonverbal items. Some specialists strongly contest both tests, but they inform a physician's evaluation and do not act as an absolute diagnostic tool.

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