| A central issue in cognitive science is understanding how learning induces cognitive and neural plasticity,which helps illuminate the biological basis of learning.Nowadays,with the development of computer technology,video games have become a new factor affecting brain health.Studies have shown that certain special types of video games(such as action video games,referred to as AVG)can be transformed into ecological brain-computer interaction research carriers,and provide new research for neural plasticity related to learning experience.However,it is still unclear whether cognitive and neural plasticity is observable after a brief AVG session.Using behavioral and electrophysiological measures,this study examined the plasticity of visual selective attention(VSA)associated with a 1-hour AVG session.Based on this,this study recruited 14 high-level AVG players(the AVG expert group)and 15 low-level players(the AVG non-expert group).Using the Useful Field of View Paradigm,both the AVG expert group and the AVG non-expert group were asked to complete a 1-hour AVG session and their VSA was assessed prior to(the pre-AVG phase)and after(the post-AVG phase)the AVG session.This study analyzed ERPs(e.g.,N1,P2,N2 and P3 components),the EEG power spectrum energy,and behavioral measures.The main work and research results of this study are as follows:(1)Behavioral data is analyzed based on the Useful Field of View paradigm.From the results of correct rate and response time,the response of the AVG expert group in the pre-AVG phase was lower than that of the AVG non-expert group,which was attributed to the long-term experience of the AVG game in the AVG expert group.And in the post-AVG phase,the response time of the AVG non-expert group was significantly shortened,resulting in no significant difference in the response between the two groups.At the same time,this study found that after 1-hour of AVG training,the response time of the AVG expert group and the AVG non-expert group decreased,which just verified that the short-term effect of Action Video Game helps to improve visual selective attention.In addition,there is no difference between the two groups in the correct rate,which shows that the short-term AVG game experience will not instantly improve the correct rate of VSA.(2)The electrophysiological results further showed that after 1-hour of AVG phase,the amplitude of P2 in the AVG non-expert group was enhanced in the post-AVG phase,which indicates that AVG can also improve the processing efficiency of the subject's attention to the UFOV task in a short period of time.At the same time,this study didn't found that an increased P3 amplitude of the AVG non-expert group in the post-AVG phase was related to the top-down modulation of attention resource allocation.On the other hand,in the pre-AVG phase performance,the between-group comparisons showed that the experts had greater P2 and P3 amplitudes than the non-experts,reflecting that the more advanced selective attention ability of the AVG expert group is related to the long-term AVG game experience.In the post-AVG phase UFOV task,the difference between the two components in the between-group comparisons was not significant.This helps to prove that the short-term game effect has an improved effect on neural plasticity.Finally,the N2 component,as a component related to spatial attention suppression,verifies that under the premise of limited cognitive resource allocation,the AVG non-expert group subjects have to suppress the influence on independent variables in order to improve VSA to target features.Therefore,N2 amplitude of the AVG non-expert group was significantly reduced in the post-AVG phase.In addition,the change in the relative power spectrum index ?/? ratio is consistent with the ERPs results. |
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