The extrastriate symmetry response is robust to variation in visual memory load.

The extrastriate symmetry response is robust to variation in visual memory load.
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纹外对称反应对于视觉记忆负荷的变化具有鲁棒性。

DOI:
10.1111/psyp.13941
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发表时间:
2021
期刊:
影响因子:
3.7
通讯作者:
Derpsch Y
Derpsch Y
中科院分区:
心理学3区
文献类型:
--
作者:
Derpsch Y

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无论对称是否与任务相关,也无论对称是否被参与,都会产生对视觉对称的事件相关电位反应,即持续后验负性反应(SPN)。然而,目前还没有研究检查并发记忆任务的干扰。为了回答这个基本问题,我们研究了SPN是否对视觉工作记忆(VWM)负载的变化具有鲁棒性。在实验1 (N= 24)中,每个试验包括一个样品显示、一个探针和一个测试显示。样品和测试显示包含四种颜色或四种黑色形状,探针要么是对称的,要么是随机的。我们比较了记忆任务和被动观看任务。在记忆任务中,当呈现探针时,参与者在VWM中保留颜色或形状信息。在被动观看任务中,没有记忆需求。与我们的预测相反,没有证据表明VWM干扰了对称响应。相反,与被动观看相比,在颜色和形状记忆任务中,SPN普遍增强。在实验2 (N= 24)中,我们使用对称图案本身作为样本并测试以最大化干扰。与被动观看相比,在记忆任务中,SPN再次增强。我们的结论是,视觉对称性反应不会被同时进行的VWM任务所损害,即使这些任务涉及到记忆对称性本身。似乎SPN不仅不受注意力的影响,而且也不受记忆的影响。这进一步证明了对称感知是稳健且自动的。
An Event Related Potential response to visual symmetry, known as the Sustained Posterior Negativity (SPN), is generated whether symmetry is task relevant or not, and whether symmetry is attended or not. However, no study has yet examined interference from concurrent memory tasks. To answer this fundamental question, we investigated whether the SPN is robust to variation in Visual Working Memory (VWM) load. In Experiment 1 (N= 24), each trial involved a sample display, a probe and a test display. Sample and test displays contained either four colors or four black shapes, and the probe was either a symmetrical or random pattern. We compared a memory task and a passive viewing task. In the memory task, participants held color or shape information in VWM when the probe was presented. In the passive viewing task, there were no memory demands. Contrary to our predictions, there was no evidence that VWM interfered with the symmetry response. Instead, there was a general SPN enhancement during both color and shape memory tasks compared to passive viewing. In Experiment 2 (N= 24), we used symmetrical patterns themselves as sample and test to maximize interference. Again, the SPN was enhanced in the memory task compared to passive viewing. We conclude that the visual symmetry response is not impaired by concurrent VWM tasks, even when these tasks involve remembering symmetry itself. It seems that the SPN is not only attention‐proof, but also memory‐proof. This adds to evidence that symmetry perception is robust and automatic.
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