Hypnotic Analgesia - Is it True
Hypnotherapy is becoming a respectable alternative for an array of clinical and social conditions. This work aims to scientifically verify the hypnotic analgesia phenomenon and to develop methods for the automatic monitoring for hypnotic analgesia of patients in a clinical environment.
Galvanic Skin Response (GSR) was used as a pain indicator and EEG frequency bands were used to determine the
hypnotic status of the subjects. Two types of experiments were conducted namely
These experiments were carried in two different conditions:
Pain Stimulus using a needle applied to a patient during the HPG experiment is shown in the above figure.
In HPG experiment, the conductivity of skin remained same at Pre "Pain without Hypnosis" and "During Pain with Hypnosis" stages. The spectral analysis of EEG during hypnosis shows the frequency bands in lower theta and alpha range.
The results of HPG experiment show that the subjects do not feel pain during hypnotic analgesia. In both PG and HPG experiments we used induced pain, in stead of real pain. As the induced pain may not be the representative of all types of pains but only some type of pains, the further work includes experiment with more subjects in a clinical setup with actual pain.
|Last Updated: May 26, 2008 4:45 PM||Comments: Manivannan M|