Media multitasking is associated with distractibility and increased prefrontal activity in adolescents and young adults

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2016-07-01 DOI:10.1016/j.neuroimage.2016.04.011

M. Moisala , V. Salmela , L. Hietajärvi , E. Salo , S. Carlson , O. Salonen , K. Lonka , K. Hakkarainen , K. Salmela-Aro , K. Alho

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引用次数: 129

Abstract

The current generation of young people indulges in more media multitasking behavior (e.g., instant messaging while watching videos) in their everyday lives than older generations. Concerns have been raised about how this might affect their attentional functioning, as previous studies have indicated that extensive media multitasking in everyday life may be associated with decreased attentional control. In the current study, 149 adolescents and young adults (aged 13–24 years) performed speech-listening and reading tasks that required maintaining attention in the presence of distractor stimuli in the other modality or dividing attention between two concurrent tasks. Brain activity during task performance was measured using functional magnetic resonance imaging (fMRI). We studied the relationship between self-reported daily media multitasking (MMT), task performance and brain activity during task performance. The results showed that in the presence of distractor stimuli, a higher MMT score was associated with worse performance and increased brain activity in right prefrontal regions. The level of performance during divided attention did not depend on MMT. This suggests that daily media multitasking is associated with behavioral distractibility and increased recruitment of brain areas involved in attentional and inhibitory control, and that media multitasking in everyday life does not translate to performance benefits in multitasking in laboratory settings.

Abstract Image

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在青少年和年轻人中，媒体多任务处理与注意力分散和前额叶活动增加有关

现在这一代的年轻人在日常生活中比老一代更沉迷于媒体多任务行为(例如，一边看视频一边发即时消息)。这可能会影响他们的注意力功能，因为之前的研究表明，日常生活中大量的媒体多任务处理可能与注意力控制能力下降有关。在当前的研究中，149名青少年和年轻人(年龄在13-24岁)进行了语音-听力和阅读任务，这些任务需要在另一种形式的干扰刺激下保持注意力，或者在两个并发任务之间分散注意力。使用功能磁共振成像(fMRI)测量任务执行过程中的大脑活动。我们研究了自我报告的每日媒体多任务(MMT)、任务绩效和任务执行过程中的脑活动之间的关系。结果表明，在干扰物刺激下，MMT得分越高，表现越差，右前额叶区域的大脑活动增加。分散注意期间的表现水平与MMT无关。这表明，日常媒体多任务处理与行为分心和涉及注意力和抑制控制的大脑区域的增加有关，并且日常生活中的媒体多任务处理并不能转化为实验室环境中多任务处理的表现优势。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.