Johansson Jan, Möller Marika, Franzon Kristina, Stenberg Jonas, Godbolt Alison K
Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Department of Clinical Sciences, Division of Rehabilitation Medicine, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden; Department of Rehabilitation Medicine, Danderyd Hospital, Stockholm, Sweden.
J Rehabil Med. 2025 Jan 3;57:jrm41324. doi: 10.2340/jrm.v57.41324.
To investigate if eye tracking can support detection of covert voluntary eye movements and to compare these findings with a simultaneously performed clinical assessment according to the Coma Recovery Scale manual regarding visual stimuli.
Observational case series.
Twelve outpatients with prolonged disorders of consciousness recruited from the rehabilitation clinic of a regional rehabilitation unit.
Eye movements were recorded with a wearable eye tracker while performing 4 test items from the Coma Recovery Scale Revised. The clinical assessment and recorded eye movement responses were analysed for agreement.
Response data was obtained from 238 out of 288 trials. Eye-tracking data were obtained in median 89.6% of the trials (37.5-100%). The eye tracking assessment judged a significantly higher percentage of trials as a response (46.2%) compared with the clinical assessment (18.1%), mainly in test items "visual pursuit" and "visual fixation".
Eye tracking showed potential to be more effective in the detection of putative voluntary eye movements compared with conventional examination. Based on the findings in this and previous studies, eye tracking may serve as a useful complementary tool when examining patients with prolonged disorders of consciousness.
研究眼动追踪是否有助于检测隐蔽的自主眼球运动，并将这些结果与根据《昏迷恢复量表手册》对视觉刺激同时进行的临床评估结果进行比较。
观察性病例系列研究。
从某地区康复机构的康复门诊招募的12名长期意识障碍门诊患者。
使用可穿戴式眼动追踪仪记录在执行《修订版昏迷恢复量表》中的4个测试项目时的眼球运动。分析临床评估和记录的眼球运动反应之间的一致性。
在288次试验中的238次获得了反应数据。眼动追踪数据在试验中的中位数为89.6%（37.5%-100%）。与临床评估（18.1%）相比，眼动追踪评估判定为反应的试验百分比显著更高（46.2%），主要体现在“视觉追踪”和“视觉注视”测试项目中。
与传统检查相比，眼动追踪在检测假定的自主眼球运动方面显示出更有效的潜力。基于本研究及先前研究的结果，眼动追踪在检查长期意识障碍患者时可能是一种有用的辅助工具。
