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Automated and Quantitative Assessment of Tactile Mislocalization After Stroke
Mike D Rinderknecht1, Julio A Dueñas1, Jeremia P Held2,3
1Rehabilitation Engineering Laboratory, Department of Health Sciences and Technology, Institute of Robotics and Intelligent Systems, ETH Zurich, Zurich, Switzerland.
Frontiers in Neurology
|June 28, 2019
Summary
A new automated tool precisely quantifies tactile mislocalization (topesthesia) deficits in stroke patients. This method is more sensitive than standard clinical assessments, aiding in understanding and monitoring recovery.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
Background:
- Topesthesia, or tactile localization, is vital for daily activities but often impaired after neurological injury.
- Current clinical assessments lack the sensitivity to accurately quantify topesthesia deficits, hindering understanding and treatment.
Observation:
- A novel automated assessment tool was developed to measure tactile mislocalization in neurological patients.
- Two ischemic stroke patients with somatosensory deficits were evaluated using the tool and compared to standard clinical methods.
Findings:
- The automated tool successfully identified, located, and quantified topesthesia deficits with high precision.
- The automated assessment demonstrated superior sensitivity compared to manual clinical evaluations, detecting deficits missed by standard methods.
- MRI analysis correlated lesion location with observed somatosensory deficits.
Implications:
- This quantitative tool can improve the understanding and clinical awareness of topesthesia impairments.
- It offers objective monitoring of recovery during rehabilitation and aids in treatment design and efficacy evaluation.
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