phasic motor behavior
Research Papers
Suppression of seizures in an epileptic following sensorimotor EEG feedback training
Previous studies of a 12–14 c/sec slow wave rhythm localized to sensorimotor cortex in the cat indicated its functional relationship to thalamo-cortical inhibitory discharge, suppression of phasic motor behavior and suppression of drug-induced convulsions. Investigations in man showed the presence of a similar rhythm in rolandic cortex. Biofeedback techniques for the operant conditioning of this rhythm developed in studies of the cat provided a basis for similar EEG feedback training in man. The functional characteristics mentioned above suggested that this training could be of some benefit in the treatment of epilepsy. This communication reports preliminary findings from such a study in a 23-year-old female subject with moderately controlled major motor seizures of frontoparietal origin. Biofeedback training of this sensorimotor rhythm resulted in a striking enhancement of the rhythm's occurrence, differentiation from simultaneously recorded alpha rhythm activity, and a marked suppression of seizures. Changes in sleep patterns and personality were noted also.
View Full Paper →Facilitation of spindle-burst sleep by conditioning of electroencephalographic activity while awake
A slow-wave electroencephalographic rhythm recorded from the sensorimotor cortex of the waking cat has been correlated behaviorally with the suppression of movement. Facilitation of this rhythm through conditioning selectively enhances a similar pattern recorded during sleep, the familiar spindle burst. The training also produced longer epochs of undisturbed sleep. The specific neural mechanism manipulated during wakefulness appears to function also in sleep and to be involved with the regulation of phasic motor behavior.
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