Effects of irregular preparatory intervals on reaction time in schizophrenia.
Effects of irregular preparatory intervals on reaction time in schizophrenia.
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不规则的准备时间间隔对精神分裂症反应时间的影响。
DOI：
10.1037/h0049269
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发表时间：
1963
期刊：
影响因子：
--
通讯作者：
D. Shakow
中科院分区：
文献类型：
--
作者：
T. Zahn;D. Rosenthal;D. Shakow
2个实验试图(A)证实先前的观察结果，即精神分裂症患者的反应时(RT)与准备间期长度(PI)之间的负相关关系的斜率比正常SS组更陡峭，(B)考察一次试验的PI对反应时(RT)到后续试验(PPI)的影响。结果表明，即使控制了“基线”RT水平的差异，患者的PI与RT之间的关系曲线也明显陡峭。此外，长PPI对精神分裂症患者的有害影响要大得多。数据表明，精神分裂症SS不是建立一个通用的准备集，而是通过将他们的准备模式主要建立在刚刚进行的试验的基础上来简化任务。
2 experiments attempted to (a) confirm previous observations that the slope of the negative relationship between reaction time (RT) and the length of the preparatory interval (PI) was steeper in schizophrenic than in normal Ss, and (b) investigate the effects of the PI on one trial on RT to the subsequent trial (PPI). The results show that the curves relating the PI with RT are significantly steeper for the patients even when differences in" baseline" RT level are controlled. Also, the detrimental effects of long PPIs are much greater for the schizophrenics. The data suggest that instead of establishing a generalized preparatory set, the schizophrenic Ss simplify the task by basing their pattern of preparation largely on the just preceding trial.(17 ref.)(PsycInfo Database Record (c) 2022 APA, all rights reserved)