Alexia, also known as dyslexia, acquired, is related to progressive non-fluent aphasia and inclusion body myopathy with paget disease of bone and frontotemporal dementia, and has symptoms including scanning speech and aprosodia. An important gene associated with Alexia is CBS (Cystathionine Beta-Synthase), and among its related pathways/superpathways are Signaling by Receptor Tyrosine Kinases and Alzheimer's disease and miRNA effects. The drugs Levodopa and Dopamine have been mentioned in the context of this disorder. Affiliated tissues include brain and cortex, and related phenotypes are nervous system and homeostasis/metabolism