Often individuals diagnosed with auditory verbal agnosia are also incapable of discriminating between non-verbal sounds as well as speech.
The title of the book comes from the case study of a man with visual agnosia.
She also had object agnosia, which she overcame by touching objects to recognize them.
It is a somatosensory agnosia, or a sign of neglect syndrome.
He gave the classic definition of agnosia as a normal percept stripped of its meaning.
In order for an individual to be diagnosed with agnosia, they must only be experiencing a sensory deficit in a single modality.
The poor performance on the recognition of objects' silhouettes could indicate a mild object agnosia because it was not based on any inability to see the outline of the shapes.
In other words, this patient is apparently incapable of using her ventral system for analyzing visual input; that is, she is suffering from an extreme type of visual form agnosia.
