True and Perceived Synchrony are Preferentially Associated With Particular Sensory Pairings.
True and Perceived Synchrony are Preferentially Associated With Particular Sensory Pairings.
复制标题
DOI：
10.1038/srep17467
复制
发表时间：
2015-12-01
影响因子：
4.6
通讯作者：
Van der Burg E
中科院分区：
文献类型：
--
作者：
Noel JP;Wallace MT;Orchard-Mills E;Alais D;Van der Burg E
感知和行为从根本上是由不同的感觉模式整合成独特的多感觉表征形成的，这是一个由时空对应控制的过程。先前的研究利用被试最有可能同时判断多感官刺激的时间点（PSS）和被试可能同时判断多感官刺激的时间绑定窗口（TBW）来描述时间感知。在这里，我们研究了个体内部和个体之间，以及三种感觉组合（视听、听觉和视觉）内部和之间的PSS和TBW之间的关系。我们证明tbw在个体内部和跨多感官配对中相关，但pss则不然。此外，我们发现，虽然听觉和视听配对显示出密切相关的tbw，但它们在真实和感知的多感觉同步方面也表现出不同的关系。因此，听觉和听觉时间加工具有共同的机制特征，但在功能上分别与客观和主观同步联系在一起。
Perception and behavior are fundamentally shaped by the integration of different sensory modalities into unique multisensory representations, a process governed by spatio-temporal correspondence. Prior work has characterized temporal perception using the point in time at which subjects are most likely to judge multisensory stimuli to be simultaneous (PSS) and the temporal binding window (TBW) over which participants are likely to do so. Here we examine the relationship between the PSS and the TBW within and between individuals, and within and between three sensory combinations: audiovisual, audiotactile and visuotactile. We demonstrate that TBWs correlate within individuals and across multisensory pairings, but PSSs do not. Further, we reveal that while the audiotactile and audiovisual pairings show tightly related TBWs, they also exhibit a differential relationship with respect to true and perceived multisensory synchrony. Thus, audiotactile and audiovisual temporal processing share mechanistic features yet are respectively functionally linked to objective and subjective synchrony.