taboo or generally unsuitable for acceptable social use; it is usually expressed out of social or emotional context, and may be spoken in a louder tone or different cadence or pitch than normal conversation. the phrases uttered by a person with coprolalia do not necessarily reflect the thoughts or opinions of the person, and are embarrassing to the person uttering them. a german psychiatrist examined the question of mozart's diagnoses and concluded that "tourette’s syndrome is an inventive but implausible diagnosis in the medical history of mozart". evidence of motor tics was found lacking and the notion that involuntary vocal tics are transferred to the written form was labeled "problematic". neurologist and author oliver sacks published an editorial disputing simkin's claim, and the tourette syndrome association pointed out the speculative nature of this information. no tourette's syndrome expert or organization has voiced concurrence that there is credible evidence to conclude that mozart had tourette's. one ts specialist stated that, "although some web sites list mozart as an individual who had tourette's and/or ocd, it's not clear from the descriptions of his behavior that he actually had either."