Multisensory temporal processing in early deaf.

Multisensory temporal processing in early deaf.
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DOI:
10.1016/j.neuropsychologia.2021.108069
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发表时间:
2021-12-10
期刊:
影响因子:
2.6
通讯作者:
Jiang F
Jiang F
中科院分区:
心理学3区
文献类型:
--
作者:
Whitton S;Kim JM;Scurry AN;Otto S;Zhuang X;Cordes D;Jiang F

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在世界上航行依赖于理解多感官事件随时间推移的渐进序列。早期耳聋(艾德)的个人更精确的视觉检测空间和运动比他们的正常听力(NH)的同行。然而,艾德个体是否表现出改变的多感觉时间处理能力尚不清楚。根据连接体模型,大脑的发育取决于经验,因此听觉的缺乏可能会影响大脑对剩余感官的反应以及它们的功能连接。我们使用时间顺序判断(TOJ)任务,以检查多感觉(视觉触觉)的时间处理艾德和NH组。我们量化了两组的BOLD反应和功能连接(FC)。艾德和NH组在视觉触觉TOJ任务中的表现相似。在TOJ任务中,艾德组的双侧后上级颞上沟(pSTS)BOLD反应显著大于NH组。使用解剖学定义的pSTS种子,我们的FC分析显示,在TOJ任务中,艾德组比NH组的躯体运动更强,视觉区域连接更弱。这些结果表明,缺乏听觉输入可能会改变触觉和视觉区FC与pSTS的平衡时,涉及到多感官的时间任务。
Navigating the world relies on understanding progressive sequences of multisensory events across time. Early deaf (ED) individuals are more precise in visual detection of space and motion than their normal hearing (NH) counterparts. However, whether ED individuals show altered multisensory temporal processing abilities is less clear. According to the connectome model, brain development depends on experience, and therefore the lack of audition may affect how the brain responds to remaining senses and how they are functionally connected. We used a temporal order judgment (TOJ) task to examine multisensory (visuotactile) temporal processing in ED and NH groups. We quantified BOLD responses and functional connectivity (FC) in both groups. ED and NH groups performed similarly for the visuotactile TOJ task. Bilateral posterior superior temporal sulcus (pSTS) BOLD responses during the TOJ task were significantly larger in the ED group than in NH. Using anatomically defined pSTS seeds, our FC analysis revealed stronger somatomotor and weaker visual regional connections in the ED group than in NH during the TOJ task. These results suggest that a lack of auditory input might alter the balance of tactile and visual area FC with pSTS when a multisensory temporal task is involved.
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