Swimming exercise decreases the absence-like epileptic activity in WAG/Rij rats

Publication date: Available online 1 February 2019

Source: Behavioural Brain Research

Author(s): Hatice Aygun, Mustafa Ayyildiz, Erdal Agar

Abstract

Aim

The aim of the present study was to evaluate the effects of long (60 min/day), moderate (30 min/day) and short (15 min/day) term daily swimming exercise programs for 90 days on durations and the spike-wave discharges (SWDs) seen in the electrocorticographic (ECoG) recordings of WAG/Rij rats with absence epilepsy.

Materials and Methods

Thirty-five adult male rats were divided into 5 groups as; Group 1: Control, Group 2: Sham (daily exposed to shallow water), Group 3: 15 min/day swimming exercise, Group 4: 30 min/day swimming exercise, Group 5: 60 min/day swimming exercise. After 90 days of swimming exercise program; ECoG recordings were taken for 2 hours. Total number and cumulative length of SWDs in the recordings were used for evaluation of the seizures.

Results

Both of the SWD parameters were significantly decreased in all swimming exercise groups compared to control and sham groups. The moderate swimming group (30 min/day) was found the most effective exercise program considering both of the SWD parameters of absence epilepsy.

Conclusion

The results of the present study provide electrophysiologic evidence for the role of swimming exercise on the modulation of genetic absence epilepsy seizures in WAG/Rij rats.

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