| Four methamphetamine dependent patients received halt a month, a total of 12 Neuro-biofeedback sessions, exploring a Neuro-biofeedback training suitable for methamphetamine dependent patients. Neuro-biofeedback training included 6 times of SMR-Beta training and 6 times of Alpha-Theta training. In order to verify the effects of the training, SCL-90, 16PF, WHOQOL - BREF and Stroop test were used to test the 4 subjects before and after the training. The Stroop test of color word interference was used to evaluate the effect of SMR-Beta training on attentional control. In the biofeedback training, music was added as the background music of the SMR-Beta training stage, and the relaxation music as the background music of the Alpha-Theta training phase. Music was added in the biofeedback training in which exciting music was as the background music of the SMR-Beta training, and relaxing music as the background music of the Alpha-Theta training.Results: (1) The total score of SCL-90 was significantly lower than that of pretest scores, and the scores of anxiety factor and hostility factor were significantly lower than that of pretest scores. (2)The post test score of the fantasy factor in 16PF was significantly lower than the pretest score. (3)In WHOQOL - BREF, the score of psychological field was significantly higher than that of pretest scores.(4)The post reaction time ratio of Stroop test was significantly lower than that of pretest, which showed that after SMR-Beta training, the attention level of the subjects had been improved.A case study on the training of 4 methamphetamine dependent patients:(1) The EEG results in the SMR-Beta training phase showed that SMR and low frequency Beta wave of Case 2 and Case 3 had increased;In Case 1 and Case 4,SMR increased while the changes of low frequency Beta was not obvious.Comparing the results of Stroop test before and after the SMR-Beta test of 4 subjects, it was found that the consistency effect ratio of the posttest was significantly lower than that of the pre-test, which shoued that the aim of the SMR-Beta phase had been achieved, and the level of attention of methamphetamine dependent patients had improved.(2) In Alpha-Theta training phase, Alpha, Theta wave of Case 1 and Case 2 had increased,while Alpha, Theta changes of Case 3 and Case 4 were not obvious. In the imaginary part of Alpha-Theta training, Casel and Case 3 had a better change,determined to enhance drug treatment, longing for the future life.Conclusion: Mental health, personality characteristics and life quality of these 4 methamphetamine dependent patients were improved after the Neuro-biofeedback combined with music. In the training phase of SMR-Beta, SMR and low frequency Beta wave of 2 methamphetamine dependent patients increased; In the other two cases, SMR increased while the changes of low frequency Beta was not obvious. In Alpha-Theta training phase, Alpha, Theta wave of two subjects were upward trend,the other two subjects' did not change significantly. SMR-Beta training can help to improve the level of attention and cognitive deficits of methamphetamine dependent patients, and the training of the Alpha-Theta phase can guide subjects imagine to transform into positive aspects. This experiment provided a set of training programs for the treatment of methamphetamine dependent patients with the combination of biofeedback and music. However, to promote the application of this scheme to the treatment, it is necessary to increase the subjects, extend the training cycle, set up the control group to improve this training program. |
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