People may have trouble understanding language (receptive language) or talking (expressive language).
Aphasia is a communication disorder that results from damage to the parts of the brain that contain language (typically in the left half of the brain). Aphasia may causes difficulties in speaking, listening, reading, and writing, but does not affect intelligence. Individuals with aphasia may also have other problems, such asdysarthria, apraxia, or swallowing problems.
Dementia is a group of symptoms related to memory loss and overall cognitive impairment. People with dementia often need help taking care of themselves. They may have difficulty communicating with others.
• Learning disability
Language-based learning disabilities are problems with age-appropriate reading, spelling, and/or writing. Example- dyslexia
• Childhood language disorder
Some children have problems with understanding, also called receptive language. They may have trouble:
• Understanding what gestures mean
• Following directions
• Answering questions
• Identifying objects and pictures
• Taking turns when talking with others
Some children have problems talking, also called expressive language. They may have trouble:
• Asking questions
• Naming objects
• Using gestures
• Putting words together into sentences
• Learning songs and rhymes
• Using correct pronouns, like "he" or "they"
• Knowing how to start a conversation and keep it going
Many children have problems with both understanding and talking. It is also commonly seen in children having ADHD, autism, Hearing loss etc.