Picture of the ventral and dorsal streams. The ventral stream is depicted in purple and the dorsal stream is depicted in green.<unk>  is the inability to process sensory information. Often there is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss. It is usually associated with brain injury or neurological illness, particularly after damage to the occipitotemporal border, which is part of the ventral stream.<unk>  only affects a single modality, such as vision or hearing. More recently, a top-down interruption is considered to cause the disturbance of handling perceptual information.
Agnosia
Social-emotional agnosia
Musical anhedonia
Anosognosia
Apophlegmatism
Hypersexuality
Dysgraphia
Sexual anhedonia