探测任务知觉负荷对注意促进效应的影响

The Influence of Perceptual Load of Detection Tasks on the Attentional Boost Effect

双任务交互作用模型认为探测任务知觉负荷对注意促进效应(the attentional boost effect,ABE)不存在影响。基于对这一观点的质疑,本研究以场景图片为实验材料,结合学习-测验经典范式和目标探测任务,实验一探讨高、低知觉负荷探测任务对ABE的影响;实验二验证探测任务知觉负荷对ABE的影响是否受探测目标与非目标相似性调节,进一步验证双任务交互作用模型的观点。结果发现,低知觉负荷探测任务中存在ABE,但高知觉负荷探测任务中却不存在;探测目标与非目标不相似条件下的高知觉负荷探测任务中不存在ABE,但相似条件下的高知觉负荷探测任务中依然存在。由此可见,探测任务知觉负荷对ABE存在影响,且这一影响受探测目标与非目标相似性调节,双任务交互作用模型的观点不合理。

The dual-task interaction model considers that the perceptual load of detection task does not have an impact on theattentional boost effect(ABE).Based on the questioning of this viewpoint,present study uses the scene picture as the experimental materials,combined with the learning-testing classic paradigm and target detection tasks,the experiment 1 discusses the influence of the high and low perceptual load detection task on ABE;Experiment 2 explores whether the similarity between the targets and non-targets of detection task has an impact on the detection task’s perceptual load which adjusts the ABE,in order to further validate the viewpoint of the dual-task interaction model and to explore the generation mechanism of ABE.The results show that ABE exists in low-load detection tasks but not in high-load detection tasks,and ABE does not exist in the high perceptual load detection task under the condition of dissimilarity between the target and the non-target,but it still exists in the high perceptual load detection task under similar conditions.It can be seen that the perceptual load of detection task has a regulating effect on ABE,and this effect is affected by the similarity between detection target and non-target.The viewpoint of dual-task interaction model is not completely reasonable.