中国科学院心理研究所机构知识库

Objective To investigated processes underlying the development of the visual attention skills from younger children to adults. Methods Psychometric intelligence was measured using Raven Progressive Matrices before the experiment. The participants were 120 children from 5 to 15 years of age and 20 adults whose IQ was average. The experimental material was adopted on the standard visual search paradigm, and the stimuli were presented and the participants＇reaction was recorded through the DMDX system. Results Search RTs underwent analyses of variance （ANOVAs） with age group as a between-subjects factor. There was a main effect of age group, indicating that the 5-years-old participants＇ RT was significantly slower than older children and adults. The RTs of the 5, 7, 9, 11, 13, 15-years-old participants were 2122.58 ± 574. 50,1350.64 ± 279.38,1148.03 ± 248.87, 977.63 ± 183.92,789.36 ± 154.93,778.72 ± 147.53,803.93 ± 146.83ms respectively, and the developmental difference was significantly （ P〈 0.01 ）. RTs decreased with increasing age from 5 years up to 13 - 15 years. There was no significantly difference between 15-years-old children and 13-years-old. Conclusion The results suggested that visual attention performance improved with the increasing age from 5 years up to 13 - 15 years;and indicated that searches for color feature and conjunctions were treated similarly for older children and adults; but the improved amount of the visual attention performance was decreased with age increasing.

国家自然科学基金资助项目（30370489,30670716）