| （School of Physical Education，Linyi Normal University，Linyi 276005，China） Abstract: By using NDI-200 (Nereus) neuroelectric diagnostor, the authors recorded and analyzed visually evoked potentials (VEP) produced before and after exercising with a quantitative load done by 63 healthy on-campus vol-unteer college students at Shandong Normal University, observed the effects of exercising with a quantitative load on various indexes of visually evoked potentials, and revealed the following findings: 1) the average exercising time was (9.22±1.89) min, the average maximum oxygen intake was (37.52±6.30) mL•min-1•kg-1; 2) the latent period of P100 was shorten (to (97.82±6.32) ms) immediately after exercising as compared to the same before exercising ((100.89±6.63) ms), which showed a significant difference (P<0.01); the peak value of N75-P100 was reduced (to (4.87±1.95) μV) immediately after exercising as compared to the same before exercising ((5.78±2.22) μV), which showed a significant difference (P<0.05); there was no significant difference between the VEP after recovery and the VEP before exercising, which indicated that exercising with a quantitative load (PWC170) can only produce temporary changes to various indexes of visually evoked potentials, but has no long term effects on them.
Key words: visual neurophysiology；exercising with a quantitative load；exercising state；visually evoked potentials |
