|Alternative Title||The Inflluence of Negative Stimulus Expectation on Individual Stress and Self-control Ability|
|Place of Conferral||中国科学院心理研究所|
|Keyword||负性 预期强度 预期时一长 情绪 HRV 认知控制 反应抑制|
1.在主观情绪感受方面，高强度预期条件下，个体恐惧情绪显著增强(P=0.040 ) 。 而预期时长对个体情绪的影响效应不显著。
3.在停止信号任务中，高强度预期条件下，信号执行错误率、执行反应时、250ms 停止信号错误率和400ms停止信号错误率均高于低强度预期组。其中，信号执 行错误率差异具有统计学意义;250ms, 400ms停止信号错误率的差异呈边缘显 著。预期时长方面，短时间预期情况下，被试信号执行反应时显著高于长时间预 期组，400ms停止信号错误率则显著低于长时间预期组。
Expectation and preparation for future events are the basic cognitive functions of human beings. In the process of expectation, individuals will make decisions on some issues, forming behavioral strategy, so that to cope with the needs of existence and development in future. In recent years, quite a little behavioral research has discussed the influence of expectation on individual emotions and cognitive skills. However, there are very few researches on the influence of expectation on self-control ability. In this research, by applying between-subjects design with 2 (expectation with high strength and low strength) X 2 (expectation for a long time and short time), with the test method of real stimulation, the author tested emotional feelings, HRV and response inhibition ability of 60 patients of a tertiary hospital before medical examination, and explored the influence of expectation on individual stress and self-control ability from two aspects of expectation strength and time. The results are as follows:
1 .In temps of subjective emotional feelings, the feeling of fear of individuals significantly increased under high strength expectation (P=0.040). While the influence of expectation time on the feeling of fear of individuals was not significant.
2. Measurement results of each HRV index showed that the main effect of expectation strength presented marginal significant in single index of LF/HF (P=0.085), and other indexes had no significant influence. Besides, expectation time had no significant differences on each HRV index.
3. In stop signal task, under high strength expectation, error rate and reaction time of signal execution and error rate of stop signal at 250ms and 400ms were all higher than that of low strength expectation group. Wherein difference of signal execution error rate had statistical significance; difference of error rate of stop signal at 250ms and 400ms presented marginal significant. In terms of expectation time, under expectation for a short time, reaction time of signal execution was significantly higher than that of expectation group with a long time; while their error rate of stop signal at 400ms was significantly lower than the other group.
4 .When testing degree of adaptability and tolerance of testees, low strength expectation group was better than high strength expectation group; and the influence of expectation time on the degree of adaptability and tolerance was not significant.
|孙健芳. 负性刺激预期对个体应激及自我控制能力的影响[D]. 中国科学院心理研究所. 中国科学院大学,2016.|
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