Document Type : Original Articles
1 MSc in Speech Therapy, Academic Member in School of Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran.
2 BS in Speech Therapy. Isfahan University of Medical Sciences, Isfahan, Iran.
3 MSc student in Speech Therapy, University of Welfare and Rehabilitation, Tehran, Iran
Abstract: Introduction: response time can be defined as the elapsed time between the appearance of the object on the screen and the first sound or movement observed from the participant as his/her answer. The aim of this study was to measure the amount of reaction time on a picture naming task among normal children with mean age of 4 years. Materials &methods: It was a descriptive cross-sectional study. Participants were 61 children (32 boys & 29 girls) recruited from randomly- selected kindergartens of Isfahan-Iran. Response time was calculated via DMDX software. Results: In general, the mean amount of response time was 1682/95 mes. The mean amount of response time in boys and in girls was 1656/5 (SD=369) and 1709/4(SD= 330/6) respectively. (P value= 0/56)Conclusion: the Mean amount of response time in boys and girls was not significantly different.Key words: Response time , picture naming , Information processing .