Live face-to-face interaction during fMRI: a new tool for social cognitive neuroscience.
Live face-to-face interaction during fMRI: a new tool for social cognitive neuroscience.
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DOI：
10.1016/j.neuroimage.2010.01.052
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发表时间：
2010-05-01
期刊：
影响因子：
5.7
通讯作者：
Saxe, Rebecca
中科院分区：
文献类型：
--
作者：
Redcay, Elizabeth;Dodell-Feder, David;Pearrow, Mark J.;Mavros, Penelope L.;Kleiner, Mario;Gabrieli, John D. E.;Saxe, Rebecca
合作性社会互动对人类社会发展和学习至关重要。尽管社会互动的重要性，以前的神经影像学研究缺乏日常面对面互动的两个基本组成部分：应急反应和联合注意力。在目前的研究中，功能性MRI数据是在参与者通过现场视频与人类实验者面对面互动时收集的，因为他们参与了简单的合作游戏。在实验1中，参与者与实验者进行现场互动（“现场”）或观看相同互动的视频（“录制”）。在“现场”的互动，相比记录的条件下，更大的激活被认为是在大脑区域参与社会认知和奖励，包括右颞顶叶交界处（rTPJ），前扣带皮层（ACC），右上级颞沟（rSTS），腹侧纹状体，杏仁核。实验2孤立的联合注意，社会互动的一个重要组成部分。参与者要么跟随现场实验者的目光去关注一个共同的注意目标（“联合注意”），要么在实验者可见但不分享注意力的情况下单独找到注意目标（“单独注意”）。右颞顶叶交界处和右后STS差异招募联合，相比，独奏，注意。这些发现表明rpSTS和rTPJ是社会互动和共同注意的关键区域。这种在扫描仪中允许在线的、偶然的社会互动的方法可以为社会认知神经科学的研究开辟新的途径，无论是在典型人群还是非典型人群中。
Cooperative social interaction is critical for human social development and learning. Despite the importance of social interaction, previous neuroimaging studies lack two fundamental components of everyday face-to-face interactions: contingent responding and joint attention. In the current studies, functional MRI data were collected while participants interacted with a human experimenter face-to-face via live video feed as they engaged in simple cooperative games. In Experiment 1, participants engaged in a live interaction with the experimenter (“Live”) or watched a video of the same interaction (“Recorded”). During the “Live” interaction, as compared to the Recorded conditions, greater activation was seen in brain regions involved in social cognition and reward, including the right temporo-parietal junction (rTPJ), anterior cingulate cortex (ACC), right superior temporal sulcus (rSTS), ventral striatum, and amygdala. Experiment 2 isolated joint attention, a critical component of social interaction. Participants either followed the gaze of the live experimenter to a shared target of attention (“Joint Attention”) or found the target of attention alone while the experimenter was visible but not sharing attention (“Solo Attention”). The right temporo-parietal junction and right posterior STS were differentially recruited during Joint, as compared to Solo, attention. These findings suggest the rpSTS and rTPJ are key regions for both social interaction and joint attention. This method of allowing online, contingent social interactions in the scanner could open up new avenues of research in social cognitive neuroscience, both in typical and atypical populations.
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