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首页> 外文期刊>Journal of the International Neuropsychological Society: JINS >Patients with posttraumatic stress disorder show decreased cognitive control: evidence from dichotic listening.
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Patients with posttraumatic stress disorder show decreased cognitive control: evidence from dichotic listening.

机译：创伤后应激障碍患者表现出降低的认知控制：来自二重听的证据。

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摘要

The influence of posttraumatic stress disorder (PTSD) on cognitive control and auditory attention modulation was examined with the use of a dichotic-listening (DL) task. The participants were 45 war-exposed refugees. The PTSD group comprised 22 participants meeting the DSM-IV criteria for PTSD, and the Control group comprised 23 war-exposed participants without PTSD. Both groups were tested with a consonant-vowel syllables DL task under three different attentional instructions. The two groups did not differ in the non-forced and forced-right conditions and showed, as expected, right-ear advantages. The Control group showed, as expected, a left-ear advantage in the forced-left (FL) condition. However, the PTSD group continued to show a right-ear advantage--and only minor modulation of the performance during the FL condition. This finding suggests that PTSD is associated with a reduced capacity for top-down attentional control of a bottom-up or stimulus-driven effect. The result shows that participants with PTSD have impaired cognitive control functions when tested on information processing of neutral stimuli.
机译：创伤后应激障碍（PTSD）对认知控制和听觉注意调节的影响通过使用二重听（DL）任务进行了检查。参加者是45名战争暴露的难民。 PTSD组包括22名符合DSM-IV PTSD标准的参与者，而对照组则包括23名没有PTSD的战争暴露参与者。两组都在三个不同的注意说明下用辅音元音节DL任务进行了测试。两组在非强迫和强迫右的条件下没有差异，并且如预期的那样显示了右耳优势。如预期的那样，对照组在强迫左（FL）情况下显示出左耳优势。但是，PTSD小组继续显示出右耳的优势-在FL状态下仅对性能进行了较小的调节。这一发现表明，PTSD与自下而上或自下而上或刺激驱动效应的自上而下的注意力控制能力降低有关。结果表明，在对中性刺激的信息处理进行测试时，患有PTSD的参与者的认知控制功能受损。

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