Pathologies list causing communication difficulties:

• - Cerebro vascular accident (CVA)
• - Cerebral palsy (CP)
• - Traumatic brain injury (TBI)
• - Multiple sclerosis (MS)
• - Cerebellar ataxia
• - Parkinson disease (PD)
• - Neuropsychology and the polyhandicap,
• - etc.

Also considered ascommunication difficulties:

• - Aphasia
• - Dysphasia
• - Dyslexia
• - Dysorthographia
• - Dysarthria