Agnosia is a neurological condition characterized by the inability to recognize or interpret sensory information, despite having intact sensory functions. Individuals with agnosia may struggle to identify objects, faces, or sounds, depending on the type of agnosia they have. This condition can result from brain damage, often due to stroke, head injury, or neurodegenerative diseases. There are several types of agnosia, including visual agnosia, where a person cannot recognize objects by sight, and prosopagnosia, which specifically affects the ability to recognize faces. Treatment typically involves rehabilitation strategies to help individuals adapt to their condition and improve their recognition skills.