Evaluating person-centered factors associated with brain-computer interface access to a commercial augmentative and alternative communication paradigm.
Evaluating person-centered factors associated with brain-computer interface access to a commercial augmentative and alternative communication paradigm.
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DOI：
10.1080/10400435.2021.1872737
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发表时间：
2022-07-04
期刊：
影响因子：
--
通讯作者：
Brumberg JS
中科院分区：
文献类型：
--
作者：
Pitt KM;Brumberg JS
目前的BCI-AAC系统在很大程度上使用了定制的软件和显示器，这些软件和显示器可能不为AAC利益相关者所熟悉。此外，探索可能使用BCI-AAC的个体的异质性档案的可用信息有限。因此，在这项研究中，我们旨在评估肌萎缩侧索硬化症(ALS)患者如何学会在行-列AAC扫描模式中控制基于运动的BCI开关，以及与BCI-AAC表现相关的以人为中心的因素。4名肌萎缩侧索硬化症患者完成了12次BCI-AAC训练，3名无神经损伤的患者完成了3次BCI-AAC训练。为了评估与BCI-AAC表现相关的以人为中心的因素，参与者完成了初始和重复的评估测量，包括认知水平、运动能力、疲劳和动机。四名参与者中有三名要么在神经典型同龄人的范围内表现出BCI-AAC表现，要么证明了BCI-AAC学习轨迹的改善。然而，BCI-AAC的学习轨迹是不同的。评估措施显示，两名参与者被怀疑患有认知障碍，但达到了最高水平的BCI-AAC准确性，他们提高的表现水平可能得到了基本未受损的运动技能的支持。对于肌萎缩侧索硬化症患者来说，基于电机的BCI开关接入商业AAC行-列扫描可能是可行的，并可能得到及时干预的支持。
Current BCI-AAC systems largely utilize custom-made software and displays that may be unfamiliar to AAC stakeholders. Further, there is limited information available exploring the heterogenous profiles of individuals who may use BCI-AAC. Therefore, in this study we aimed to evaluate how individuals with amyotrophic lateral sclerosis (ALS) learned to control a motor-based BCI switch in a row-column AAC scanning pattern, and person-centered factors associated with BCI-AAC performance. Four individuals with ALS completed 12 BCI-AAC training sessions, and three individuals without neurological impairment completed 3 BCI-AAC training sessions. To assess person-centered factors associated with BCI-AAC performance, participants completed both initial and recurring assessment measures including levels of cognition, motor ability, fatigue, and motivation. Three of four participants demonstrated either BCI-AAC performance in the range of neurotypical peers, or an improving BCI-AAC learning trajectory. However, BCI-AAC learning trajectories were variable. Assessment measures revealed that two participants presented with a suspicion for cognitive impairment yet achieved the highest levels of BCI-AAC accuracy with their increased levels of performance being possibly supported by largely unimpaired motor skills. Motor-based BCI switch access to a commercial AAC row-column scanning may be feasible for individuals with ALS and possibly supported by timely intervention.
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