Neurogenic communication disorders are a group of disorders that occur as a result of illness, damage, or progressive disease that affects the structure or function of the nervous system. The subsequent brain damage can affect a person’s communication abilities including speech, language, and/or cognitive abilities. Neurogenic disorders that affect the linguistic system result in aphasia. Those that affect cognitive–language functions include right hemisphere disorder (RHD), traumatic brain injury (TBI), and dementia. Neurogenic disorders that impair speech output result in motor speech disorders. Speech–language pathologists (SLPs) work with individuals with neurogenic communication disorders and their families to rehabilitate or maintain communicative functioning.