Noun
prosopagnosia (countable and uncountable, plural prosopagnosias)
(neurology, pathology, psychology) A form of visual agnosia characterized by difficulty with face recognition despite intact low-level visual processing.
It has been suggested by A. J. Larner that Carroll's Humpty Dumpty had prosopagnosia on the basis of his description of his finding faces hard to recognise. Source: Internet
For example, people with damage to a particular part of the brain suffer from the specific defect of not being able to recognize faces (prosopagnosia). Source: Internet