380 PSYCHOTHERAPY : SCIENTIFIC AND RELIGIOUS csap.
occasionally two or three periods may seem to serve the purpose. In conditions that have persisted for years, the period of treatment varies greatly. Some require months, or a year or longer. In others, where the individual shows aptitude, a practical therapeutic purpose is sometimes accomplished with perhaps a dozen sessions, followed by diligent practice. Where thorough work is to be done, periods of treatment or instruction last about half an hour to one hour and take place about three or four times a week or daily. In addition, the individual practises by himself each day for an hour or two, or more.
Jacobson advises the physician or investigator who is being trained in his method to become familiar with suggestive procedures ' in order that he may avoid them when applying' relaxation, because, he says, ' He who gives such suggestions has no proper sense of the technique of progressive relaxation \ In the first of his thirty-two points of difference between relaxation and suggestion he maintains that: ' In the method of relaxation, no technical suggestions are given. For instance, the physician would never suggest, " Now your arm is becoming limp 1 " or " You will feel better after this treatment 1 " or " This will help you to be quiet! " He simply directs the patient, in the same manner as when prescribing diet or exercise.' It is quite obvious that the only form of suggestion which is absent here is the direct verbal one, while it is well recognized that suggestion can be induced even by silence. The second point that, * It is not possible to arouse during progressive relaxation suggestive anaesthesia, paralysis, illusions, or delusions' with some subsequent points illustrate this confusion between hypnosis and suggestion and make it clear that the distinction in this respect is between relaxation and hypnosis. This is evident from the third point that,