A letter-digit matrix of auditory confusions.
D000161:Acoustic Stimulation; D000328:Adult; D001307:Auditory Perception; D003072:Cognition Disorders; D005260:Female; D005556:Form Perception; D006801:Humans; D007257:Information Theory; D008297:Male; D008570:Memory, Short-Term; D008875:Middle Aged; D013060:Speech; D014825:Vocabulary