Table 1.

Suggested inclusion and exclusion criteria for the diagnosis of acquired and developmental prosopagnosia

Inclusion criteria	Exclusion criteria	Clarification questions
• Difficulty with faces evident in everyday life (PI20) • Impairment on at least two measures of face familiarity (CFMT) • Confirmation of lesion by MRI or CT scan (AP cases only)	• Low-level visual impairment that could otherwise explain prosopagnosia • General visual agnosia • General memory impairment • Neuropsychological disorders associated with face recognition impairment • Visible lesion on MRI (DP cases only)	• Does the individual have associative or apperceptive subtype? (Cambridge Face Perception Test or Glasgow Face Matching Test) • Is the disorder prosopagnosia or a multimodal person recognition disorder? (Tests of name and voice familiarity)

Note: Suggested tests for adults are indicated in parentheses, and brackets indicate criteria specific to either acquired prosopagnosia (AP) or developmental prosopagnosia (DP).

Abbreviations: CFMT, Cambridge Face Memory Test; MRI, magnetic resonance imaging; CT, computed tomography.