Broca's area - Broca's area is a region of the hominid brain with functions linked to speech production.
Dyslexia - Dyslexia is a learning disability that impairs a person's ability to read, and which can manifest itself as a difficulty with phonological awareness, phonological decoding, orthographic coding...
Semantic pragmatic disorder - Pragmatic language impairment is an impairment in understanding pragmatic areas of language.
Specific language impairment - Specific language impairment is a developmental language disorder that can affect both expressive and receptive language.