Superior temporal activation in response to dynamic audio-visual emotional cues.

Superior temporal activation in response to dynamic audio-visual emotional cues.
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响应动态视听情绪提示的卓越时间激活。

DOI:
10.1016/j.bandc.2008.08.007
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发表时间:
2009-03
影响因子:
2.5
通讯作者:
Schultz, Robert T.
Schultz, Robert T.
中科院分区:
心理学3区
文献类型:
--
作者:
Robins, Diana L.;Hunyadi, Elinora;Schultz, Robert T.

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对情绪的感知对于成功的社会互动至关重要,然而,对动态视听情绪线索的感知背后的神经机制却知之甚少。来自语言和感觉范式的证据表明,颞上沟和上回(STS/STG)在听觉和视觉线索的整合中起着关键作用。情绪知觉的研究主要集中在静态的面部线索上;然而,动态视听线索比静态和/或单峰刺激更能准确地模拟现实世界的社交线索。在两项fMRI研究中,采用区组设计提出了新的动态房室刺激,比较了双峰刺激和单峰刺激,以及情绪刺激和中性刺激。结果表明,双侧上颞区在情绪知觉和听觉与视觉线索的整合中起着明显的作用。考虑到为这项研究开发的刺激具有更大的生态有效性,这一范式可能有助于阐明临床人群经历的情绪感知缺陷。
Perception of emotion is critical for successful social interaction, yet the neural mechanisms underlying the perception of dynamic, audiovisual emotional cues are poorly understood. Evidence from language and sensory paradigms suggests that the superior temporal sulcus and gyrus (STS/STG) play a key role in the integration of auditory and visual cues. Emotion perception research has focused on static facial cues; however, dynamic audiovisual (AV) cues mimic real-world social cues more accurately than static and/or unimodal stimuli. Novel dynamic AV stimuli were presented using a block design in two fMRI studies, comparing bimodal stimuli to unimodal conditions, and emotional to neutral stimuli. Results suggest that the bilateral superior temporal region plays distinct roles in the perception of emotion and in the integration of auditory and visual cues. Given the greater ecological validity of the stimuli developed for this study, this paradigm may be helpful in elucidating the deficits in emotion perception experienced by clinical populations.
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