Dyslexia is one kind of learning disability. Although there are many definitions, dyslexia is most widely used to refer to problems with reading or decoding words and with spelling. If one cannot de code words, it is unlikely that he or she will be able to spell. There is not a single pattern that classifies a child as dyslexic. Some dyslexies show reversals of letters, but others do not. The child with dyslexia may or may not show related problems with spoken language or with other areas of learning or behavior. Some dyslexies will have problems with attention, referred to as attention deficit disorder, which may or may not include hyperactivity. Treatment may include behavior management, psychotherapy, and/or medication. Problems with auditory or visual memory may coexist with dyslexia. An auditory memory deficit will make it difficult to carry out instructions, follow oral directions, remember assignments, take class notes, and profit from verbal lectures without visual aids. Weak visual memory may impede memory for the sequence of letters in printed words or for retaining visual nonverbal images for such tasks as reading maps. If the dyslexic has problems with comprehending spoken lan guage, he or she may need additional help understanding words after they are decoded. Comprehension problems in spoken language will cause difficulty with reading comprehension. Some dyslexies may in terpret language well but have problems with retrieving words to recall them quickly for use, even though the words are in their vocabularies. A word-finding problem can affect conversation, saying letter names or sounds, naming colors, and completing tests where specific informa tion is needed such as filling in the blanks.