Study on visual evoked potential in children with autism spectrum disorder.

ZHANG Kai-feng; XU Xiu; XU Qiong.

doi:10.11852/zgetbjzz2014-22-12-08

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Chinese Journal of Child Health Care ›› 2014, Vol. 22 ›› Issue (12) : 1257-1259. DOI: 10.11852/zgetbjzz2014-22-12-08

Study on visual evoked potential in children with autism spectrum disorder.

ZHANG Kai-feng,XU Xiu,XU Qiong.

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Abstract

Objective To study the Pattern Reversed Visual Evoked Potential (PRVEP )characteristics of children with autism spectrum disorder(ASD). Methods The ASD group of 12 children were diagnosed by DSM-Ⅳ.The control group were 12 normal children.They were tested by PRVEP at five levels of spatial frequency. Results 1)The latencies of P100 wave were significantly prolonged at all five spatial frequency in the ASD group compared with the control group (P<0.05).2) The amplitudes of P100 in the ASD group were significant smaller than those in the control group at all five spatial frequency (P<0.05). Conclusions The latencies of P100 wave are longer and the amplitudes are smaller in ASD group than those in control group.It is indicated that the transmission function of retinal ganglion cells to the visual centers deal difficultly and the parvocellular pathway is deficit in the children with ASD.

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autism spectrum disorder / Pattern Reversed Visual Evoked Potential / children

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ZHANG Kai-feng,XU Xiu,XU Qiong.. Study on visual evoked potential in children with autism spectrum disorder.[J]. Chinese Journal of Child Health Care. 2014, 22(12): 1257-1259 https://doi.org/10.11852/zgetbjzz2014-22-12-08

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