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通过评估对比运动技术,为儿童推广简单且引人入胜的脑电脑界面设计.

Kevin M Pitt¹, Zachary J Cole², Joshua Zosky²

¹Department of Special Education and Communication Disorders, University of Nebraska-Lincoln.

Journal of speech, language, and hearing research : JSLHR

|September 11, 2023

概括

研究了增强和替代通信 (AAC) 系统中的动作动画,特别是脑计算机接口 (BCI-AAC) AAC. 复杂和简单的动画对神经处理的影响不同,但在儿童中产生类似的BCI-AAC性能.

科学领域:

神经科学是一个神经科学.
人与计算机的交互
辅助技术辅助技术辅助技术

背景情况:

增强型和替代型通信 (AAC) 系统越来越多地纳入了运动.
大脑计算机接口 (BCI) 访问 AAC (BCI-AAC) 可能从直观的运动控制中受益.
不同类型的动画 (简单与复杂) 对BCI-AAC的影响尚不清楚.

研究的目的:

研究如何简单 (变焦) 和复杂 (功能) 的图形符号动画技术影响使用BCI-AAC的儿童的大脑活动和表现.
在BCI-AAC背景下比较简单和复杂的动画方法之间的神经和注意力处理差异.

主要方法:

16名健康儿童参与了两个条件:功能 (复杂) 动画和变焦 (简单) 动画.
测量事件相关潜能 (ERP),包括P200,P300和N400,以评估神经反应.
离线 (预测) BCI-AAC性能是根据ERP诱导进行评估的.

主要成果:

功能动画显著增加了P200/P300振幅,表明注意力提高.
变焦动画显著降低了N400的延迟时间.
虽然ERP模式不同,但这两种动画类型都支持可比的线下BCI-AAC性能.

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结论:

在BCI-AAC系统中的动画技术支持与儿童一起使用.
复杂和简单的动画引起了不同的神经和注意力处理模式.
尽管有神经差异,但这两种动画类型对于BCI-AAC性能都是有效的.