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时距估计是ADHD儿童认知缺陷研究的热点,对于这种现象的原因,以往的研究还没有一致结论。研究采用主观时距与客观时距差异百分比以及时距长度变异值作为反应指标,考查不同时距和通道性质对ADHD儿童时距估计的影响。研究发现ADHD混合型儿童时距估计缺陷受时距长度影响,提示不同时距长度涉及到不同认知加工过程;ADHD儿童时间感缺陷没有通道特异性。
Time-interval estimation is a hot spot in the study of cognitive deficits in ADHD children. For the reason of this phenomenon, there is no consistent conclusion in previous studies. The study used the percentage change of subjective time-to-objective distance and the variation of the time-length variation as response indexes to investigate the effect of different time-intervals and channel properties on the time-distance estimation of children with ADHD. The study found that ADHD mixed-type children with time-gap estimation of defects affected by the length of time, suggesting that different time-length involves different cognitive processes; ADHD children with no sense of time-specific channel specificity.