Research On The Characteristics Of Motor Imagery ERPs Of Table Tennis,Badminton And Tennis Players Under The Video Stimulation Of Hand Movements

Table tennis,badminton and tennis belong to the adversarial events of the net.The characteristics of the event require that the athletes should have good physical quality and solid technical skills.With the rapid development of competitive sports and the increasingly fierce competition trend,the gap of competitive level is becoming smaller and smaller.So far,most researchers have focused on how to strengthen specific skills training methods,and few have studied the cognitive processing ability and the degree of brain activation of athletes with different skill levels.This study selected table tennis,badminton and tennis players with three years or more of professional training experience and college students with no professional sports training background each as five experimental subjects.The main research methods were literature,interview,experiment and mathematical statistics.The experiment used expert---novice research paradigm.The Study of Professional Athletes and Beginners in Sports Appearance from the Perspective of Cognitive Psychology and Brain Science event-related potential characteristics.The following results are obtained :(1)when making decision judgment,the reaction time of novice group is longer than that of expert group,and the correct rate of reaction is not significant.(2)At the beginning of visual observation,the activation of the frontal lobe was higher than that of the novice group.(3)There was significant difference in N100 amplitude between the two groups.The average amplitude of the group was larger than that of the novice group.(4)The P300 components of the two groups were significantly different,and the average amplitude of the expert group was significantly smaller than that of the novice group.(5)There was significant difference in LRP latency between the expert group and the novice group,and LRP potential of the expert group subjects the latent period was shorter than that in the novice group.The results are as follows :(1)The responses of table tennis,badminton and tennis professional players to sport appearance under video stimulation are faster than that of novice players,and the efficiency of cognitive processing is significantly faster than that of novice players.(2)In the early stage of visual attention(amplitude of N100component),the amplitude of N100 component is significantly correlated with trainingyears and sports experience.It is inferred that the training years and sports experience of ping,feather and tennis may affect the early visual attention mechanism,so the event-related potential(ERP)can be used to evaluate table tennis Attention characteristics and training level of ping-pong,badminton and tennis players.(3)In the late stage of visual search(wave amplitude of P300 components),professional athletes invest less psychological resources in cognitive processing than novice players,which indicates that the existing sports experience of table tennis,badminton and tennis professionals has a significant impact on information input processing.(4)When making response decisions,the latency of table tennis,badminton and tennis professionals is shorter than that of novice players,indicating that professional players react faster.(5)Table tennis,badminton and tennis are all off-grid games,and they all share In the case of forehand batting,early visual attention stage,their EEG features are similar.