Aphasia is a disorder that affects the language center of the brain. It is often caused by a stroke, trauma, or other impairments to the brain. This leads to a variety of difficulties communicating with others. There are various types of aphasia that affect language in different ways. Aphasia can affect one’s ability to speak, understand spoken language, read and/or write. Speech-language pathologists create a comprehensive language intervention plan to improve the abilities of people struggling with aphasia.