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Having a phone conversation delays but does not disrupt cognitive mechanisms.
Journal of Experimental Psychology: Applied ( IF 2.813 ) Pub Date : 2019-08-29 , DOI: 10.1037/xap0000239
Daniel O A Gunnell 1 , Melina A Kunar 1 , Derrick G Watson 1
Affiliation  

Previous research has shown that talking on a mobile phone leads to impairments in a number of cognitive tasks. However, it is not yet known whether the act of conversation disrupts the underlying cognitive mechanisms (the Cognitive Disruption hypothesis) or leads to a delay in response due to a limit on central cognitive resources (the Cognitive Delay hypothesis). We investigated this here using two cognitive search tasks that investigate spatial learning and time-based selection: Contextual Cueing and Visual Marking. In Contextual Cueing, responses to repeated displays are faster than those to novel displays. In Visual Marking, participants prioritize attention to new information and deprioritize old, unimportant information (the Preview Benefit). Experiments 1 to 3 investigated whether Contextual Cueing occurred while people were engaged in a phone conversation, whereas Experiments 4 to 6 investigated whether a Preview Benefit occurred, again while people were engaged in conversation. The results showed that having a conversation did not interfere with the mechanisms underlying spatial learning or time-based selection. However, in all experiments there was a significant increase in response times. The results are consistent with a Cognitive Delay account explaining the dual-task cost of having a phone conversation on concurrent cognitive tasks. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

中文翻译:

进行电话交谈会延迟但不会破坏认知机制。

先前的研究表明,在手机上通话会导致许多认知任务受损。但是,尚不清楚谈话行为是否会破坏潜在的认知机制(认知障碍假设)或由于中央认知资源的限制而导致响应延迟(认知延迟假设)。我们在这里使用两个认知搜索任务对此进行了调查,这些任务调查了空间学习和基于时间的选择:上下文提示和视觉标记。在上下文提示中,对重复显示的响应要比对新颖显示的响应更快。在视觉标记中,参与者将注意力集中在新信息上,而将旧的,不重要的信息放在优先位置(预览优势)。实验1到3调查了在人们进行电话交谈时是否发生了上下文提示,而实验4到6研究了在人们进行通话时是否发生了预览好处。结果表明,进行对话不会干扰空间学习或基于时间的选择的机制。但是,在所有实验中,响应时间都显着增加。结果与认知延迟帐户一致,该帐户解释了在并发认知任务上进行电话交谈的双重任务成本。(PsycInfo数据库记录(c)2020 APA,保留所有权利)。结果表明,进行对话不会干扰空间学习或基于时间的选择的机制。但是,在所有实验中,响应时间都显着增加。结果与认知延迟帐户一致,该帐户解释了在并发认知任务上进行电话交谈的双重任务成本。(PsycInfo数据库记录(c)2020 APA,保留所有权利)。结果表明,进行对话不会干扰空间学习或基于时间的选择的机制。但是,在所有实验中,响应时间都显着增加。结果与“认知延迟”帐户一致,该帐户解释了在并发认知任务上进行电话交谈的双重任务成本。(PsycInfo数据库记录(c)2020 APA,保留所有权利)。
更新日期:2019-11-01
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