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EXE RCISE ADDI CTION: PSYCHOPHYSI OLOGICAL MARKERS OF WITHDRAWAL SYNDROME

O. N. LUSHNIKOV, S. G. KRIVOSHCHEKOV RESEARCH INSTITUTE OF PHYSIOLOGY AND FUNDAMENTAL MEDICINE, NOVOSIBIRSK, RUSSIA

Objective: to define markers of a pathological state in the period of an exercise deprivation on the basis of EEG-research, condition of vegetative balance, anxiety and depression level (psychological tests). Materials and methods: professional-level football players (N=50) volunteered to participate in the study. The development of modern approaches to the visualization of brain activity (EEG) and displaying of the basic physiological signals: (EMG, cardiac rhythm variability) allows studying the physiological parameters of subjects with exercise addiction and objectifies the picture of the "withdrawal syndrome". All participants completed the EIA – Exercise Addiction Inventory, Hospital Anxiety and Depression Scale.
Results: analyzed results demonstrated that condition of sportsmen with addiction is characterized by low bioelectric brain-activity (amplitude an alpha-rhythm of the right frontal area decreases) and as increase in an indicator of a vegetative index of tension, increase the score of anxiety and depression.
Conclusions: exercise deprivation is an important factor in predicting withdrawal symptoms in the exercise addicted athletes. Prolonged abstinence is almost certain to produce intense psychophysiological changes of sportsmen with exercise addiction.
Keywords: 
deprivation; electroencephalogram; anxiety; depression; exercises addiction; alpha-rhythm.