Normal visual sensation in the absence of complete visual perception is best illustrated byA. prosopagnosia. B. synaesthesia. C. tinnitus. D. sensory interaction

The right answer is Prosopagnosia.

Prosopagnosia is a face recognition disorder. It is a specific visual agnosia making it difficult or impossible to identify or memorize human faces. Prosopagnosics are generally able to recognize people by using certain subterfuges, such as visual identification by the general look (gait, size, build) or details such as a familiar garment, the hairstyle, a beard, a stain. birth or glasses. He can, of course, recognize a person with other senses than sight: by his voice, his smell, his handshake, and so on.