EEG biofeedback and relaxation training in the control of epileptic seizures
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Carmen A. Tozzoa, Lloyd F. Elfner, a and Jack G. May Jr.a
aDepartment of Psychology, Florida State University, Tallahassee, FL 32306 U.S.A.
Accepted 9 February 1988.
Available online 28 May 2002.
Abstract
Research utilizing sensorimotor rhythm (SMR) biofeedback with epileptics suggests that it is useful in decreasing seizures. Subjects were 6 young adults with a diagnosis of epilepsy of at least two years who had been unable to control their seizures with different regimens of anticonvulsant medications. Subjects ranged from severely mentally handicapped to above average functioning. Seizure type, frequency, and duration were recorded by subjects and caretakers. Measures of operant learning were percent time in SMR. The experiment utilized a single subject multiple baseline design which consisted of 6 phases: baseline one, relaxation training; baseline two, biofeedback training one; baseline three, biofeedback treatment two and follow-up. The results of this study are in agreement with other studies using SMR biofeedback. All subjects were able to significantly increase percent time in SMR. Five out of the 6 subjects demonstrated decreases in seizure frequency during the treatment phase. Two of the 6 subjects benefited from relaxation training. Four subjects demonstrated significant negative correlations between percent SMR and seizure rates. Consistent with other studies utilizing multiple baseline designs, a majority of the subjects did not follow the design of the study.
Keywords: Electroencephalogram; Epilepsy; Relaxation; Biofeedback
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