即使在虚拟现实头戴设备中呈现的视觉显示相互冲突的情况下,热量前庭刺激也能诱发前庭环状吸引。

IF 2.4 4区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL
I-Perception Pub Date : 2023-04-20 eCollection Date: 2023-03-01 DOI:10.1177/20416695231168093
Ramy Kirollos, Chris M Herdman
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引用次数: 0

摘要

本研究探讨了当前庭系统通过热量灌溉接收自我运动信息时的视觉-前庭感觉整合。本研究的目的是:(1) 确定使用热量前庭刺激是否能诱导健康参与者产生可测量的前庭环状牵引力;(2) 确定相互冲突的视觉显示是否会影响前庭牵引力。在实验 1(E1)中,参与者闭眼。空气热量前庭刺激冷却了水平半圆管的内淋巴液,从而诱发前庭环状牵引。参与者通过电位计旋钮报告前庭环向牵引情况,该旋钮可测量环向牵引的方向、速度和持续时间。在实验 2(E2)中,受试者在接受热量前庭刺激的同时,观看虚拟现实头盔中的静止显示屏,该显示屏没有自我运动信号。这产生了视觉-前庭冲突。在 E1 和 E2 中,有相当一部分试验中,受试者表示左耳顺时针偏转,右耳逆时针偏转。与 E1 相比,E2 的偏转速度明显更慢,偏转时间也更短。E2 的结果表明,在视觉-前庭冲突期间,视觉和前庭线索被用于确定自我运动,而不是一个系统凌驾于另一个系统之上。这些结果与最佳线索整合假说一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Caloric vestibular stimulation induces vestibular circular vection even with a conflicting visual display presented in a virtual reality headset.

Caloric vestibular stimulation induces vestibular circular vection even with a conflicting visual display presented in a virtual reality headset.

Caloric vestibular stimulation induces vestibular circular vection even with a conflicting visual display presented in a virtual reality headset.

Caloric vestibular stimulation induces vestibular circular vection even with a conflicting visual display presented in a virtual reality headset.

This study explored visual-vestibular sensory integration when the vestibular system receives self-motion information using caloric irrigation. The objectives of this study were to (1) determine if measurable vestibular circular vection can be induced in healthy participants using caloric vestibular stimulation and (2) determine if a conflicting visual display could impact vestibular vection. In Experiment 1 (E1), participants had their eyes closed. Air caloric vestibular stimulation cooled the endolymph fluid of the horizontal semi-circular canal inducing vestibular circular vection. Participants reported vestibular circular vection with a potentiometer knob that measured circular vection direction, speed, and duration. In Experiment 2 (E2), participants viewed a stationary display in a virtual reality headset that did not signal self-motion while receiving caloric vestibular stimulation. This produced a visual-vestibular conflict. Participants indicated clockwise vection in the left ear and counter-clockwise vection in right ear in a significant proportion of trials in E1 and E2. Vection was significantly slower and shorter in E2 compared to E1. E2 results demonstrated that during visual-vestibular conflict, visual and vestibular cues are used to determine self-motion rather than one system overriding the other. These results are consistent with optimal cue integration hypothesis.

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来源期刊
I-Perception
I-Perception PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.30
自引率
5.30%
发文量
39
审稿时长
12 weeks
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