Bruxism bruxism), but also possibly grinding, and is often associated with other semivoluntary oral habits such as cheek biting, nail biting, chewing on a pen or pencil absent mindedly, or tongue thrusting (where the tongue is pushed against the front teeth forcefully). There is evidence that sleep bruxism is caused by mechanisms related to the central nervous system, involving sleep arousal and neurotransmitter abnormalities. Underlying these factors may be psychosocial factors including daytime stress which is disrupting peaceful sleep. Sleep bruxism is mainly characterized by "rhythmic masticatory muscle activity" (RMMA) at a frequency of about once per second, and also with
American Association for the Abolition of Involuntary Mental Hospitalization American Association for the Abolition of Involuntary Mental Hospitalization The American Association for the Abolition of Involuntary Mental Hospitalization (AAAIMH) was an organization founded in 1970 by Dr. Thomas Szasz, George Alexander, and Erving Goffman for the purpose of abolishing involuntary psychiatric intervention, particularly involuntary commitment. The founding of the AAAIMH was announced by Szasz in 1971 on the "American Journal of Public Health" and "American Journal of Psychiatry". In the Platform Statement of the association, one can read: Board chairman of the association was Thomas Szasz. The association provided legal help to psychiatric patients and published a journal, "The