RESUMEN
Objective To study the characteristics of the deficits of switching function in video game addicts .Methods A total of 21 game addicts and 21 normal participants were performed a classic task switch task ,then the switching cost between two groups was compared .Results The results showed that the switching cost was significant greater for game addicts (372 ms) than that for health participants(180 ms) ,t=3 .63 ,P<0 .05 .Conclusion The present study suggested that the switching function was impaired to a certain extent for video game addicts ,and it might be one of the cognitive mechanisms for causing the game addicts .
RESUMEN
Objective To discuss family environment and parent's education pattern of violent online games addictive disorder in junior middle school students. Methods From August to December at 2008,6000 students were randomly drown from 8 junior middle schools in Dalian. All subjects were investigated with the self-made internet game survey form and the Chen internet addiction scale (CLAS). 149(2.5% ) internet game addicts were screen out from 6000 students, and then were divided into the violence and entertainment game addicted group (66 students in per group, and the male 55, female 11). No-game group 66 students were matched according tothe sex and the age. All subjects were evaluated with Egma Minnen av Bardndosnauppforstran ( EMBU) and Moss's Family Environment Scale of Chinese version. Results Lower mother's understand and warm were observed in violence internet online game addictive student group than other two groups( (46. 37 ± 13. 93,49. 80 ± 7.13,53. 16 ± 14. 89) , F = 4.88, P<0.01) ,and the mother understand and warm were remarkably lower in the violence online game addictive group than the non-game addicted group(P<0.01) ,and mothers rejection and the denial are obviously higher in entertainment online game addictive group than the non-game group(P = 0. 038). In family environment survey results suggested there were significant different during the 3 groups (F1-3 = 13. 99, 12.24,10.56; P<0.05)in emotion expression(4. 74 ± 1. 32,6. 06 ± 1. 97,5. 80 ± 1. 11) ,and conflict (5. 57 ± 1.85,5.28 ± 1.41,3.63 ± 1.50) .independence (3.96 ± 1. 87,4.56 ± 1.84,4.63 ± 1. 85). In the violence online game addictive group, emotion expression was lower than other two groups (P<0. 01) ,the conflict score was higher than other two groups (P<0.01). The controlling was lower than other two groups ( all P<0. 01) ; family function and total score are lower in online game addictive groups than other groups (P<0. 01, P<0. 05). Conclusion -Lower emotion expression,higher conflict,lacks of mother's love and warm,and lower controlling are found in violence online game addictive junior middle school students.