A bird is a bird is a bird: making reference within and without superordinate categories.
D001037:Aphasia / Q000503:physiopathology*; D002561:Cerebrovascular Disorders / Q000503:physiopathology; D007839:Functional Laterality; D006801:Humans; D008875:Middle Aged; D012660:Semantics; D013060:Speech / Q000502:physiology*