Complex sentence: Alexia typically occurs following damage to the left hemisphere of the brain or to the areas of the occipital and temporal lobes, which are responsible for processing auditory, phonological and visual aspects of language.
Split into simpler sentences: Alexia typically occurs following damage to the left hemisphere of the brain. It usually occurs as a result of damage to areas of the occipital and temporal lobes, which are responsible for processing auditory, phonological and visual aspects of language.