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Using Robotics to Quantify Impairments in Sensorimotor Ability, Visuospatial Attention, Working Memory, and Executive
Lindsey M Logan1, Jennifer A Semrau, Chantel T Debert
1Faculty of Kinesiology (Ms Logan and Dr Dukelow), Hotchkiss Brain Institute (Drs Semrau, Debert, and Dukelow and Mr Kenzie), and Clinical Neurosciences, Cumming School of Medicine (Drs Debert and Dukelow), University of Calgary, Alberta, Canada; and Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada (Dr Scott).
Robotic tools precisely measure sensorimotor and cognitive deficits after traumatic brain injury (TBI). This objective assessment aids in understanding individual impairments in TBI patients.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Traumatic brain injury (TBI) often results in sensorimotor, visuospatial attention, and executive function impairments.
- Quantifying these deficits is crucial for effective rehabilitation and patient management.
Purpose of the Study:
- To evaluate a robotic assessment tool for quantifying sensorimotor, visuospatial attention, and executive function impairments in individuals with TBI.
- To compare the performance of TBI subjects with normative data from healthy controls.
Main Methods:
- A prospective observational case series involving 23 subjects with TBI.
- Robotic assessments of upper limb reaching, position sense, bimanual motor ability, attention, and visuospatial skills.
- Comparison of TBI subject scores with normative data from 275-494 control subjects.
Main Results:
- Subjects with TBI exhibited varied deficits on robotic tasks.
- The proportion of TBI subjects with significant differences from controls ranged from 36% (dominant arm reaching) to 60% (bimanual object hitting).
Conclusions:
- Robotic measures provide an objective method for quantifying a spectrum of TBI-related impairments.
- This tool facilitates individualized assessment of sensorimotor and cognitive abilities post-TBI.
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