目的 对孤独症谱系障碍(ASD)幼儿共同注意(JA)行为特征进行分析,为早期识别及早期诊断提供理论依据。方法 采用视频分析的方式,于2017年4—12月由两位专业人员对61例16~30月幼儿的共同注意行为进行评估,与同龄正常发育(NT,n=33)幼儿及发育迟缓(DD,n=32)幼儿进行对比,并根据有差异的行为指标进行诊断预测。结果 ASD幼儿自发性共同注意(IJA)行为出现的次数及响应性共同注意(RJA)得分均较DD组及NT组幼儿低,差异有统计学意义(P<0.05);而DD与NT幼儿在各JA行为指标方面差异均无统计学意义。当联合所有JA指标从全部幼儿中识别ASD时,受试者工作特征曲线下面积为0.891(P<0.01)。结论 ASD幼儿在各种共同注意行为方面与DD及NT幼儿均存在明显差异。共同注意在ASD幼儿的早期识别中具有重要应用价值。
Abstract
Objective To study the behavioral characteristics of joint attention(JA) among infants with autism spectrum disorders (ASD),in order to provide references for early identification and diagnosis . Method Two professionals,according to the coding guide and based on video analysis Method,evaluated the joint attention behaviors of 61 ASD infants aged 16~30 months from April to December 2017.And the results were compared with infants with developmental delays (DD,n=32) and neuro-typical (NT,n=33) infants.Finally,the diagnosis for ASD infants was predicted according to the distinguishing behavioral indicators. Results Compared with DD and NT infants,the frequency of initiating joint attention (IJA) and the score of responding to joint attention (RJA) in ASD infants was significantly lower (all P<0.05).While the difference on all JA behaviors between DD and NT children was not significant(P＞0.05). The area under the receiver operating characteristic (ROC) curve (AUC) of detecting ASD from all infants according to all indicators of JA was 0.891 (P<0.01). Conclusions There are significant differences on JA domain between ASD infants and DD or NT infants.Behavioral characteristics of JA have great application value in the early identification of ASD.
关键词
孤独症谱系障碍 /
共同注意 /
早期识别 /
视频分析
Key words
autism spectrum disorders /
joint attention /
early identification /
video analysis
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基金
公益性行业科研专项项目(201302002);广东省天河区科技计划项目(2013KW037)
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