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Atypical sensory processing pattern following median or ulnar nerve injury - a case-control study
Pernilla Vikström1, Anders Björkman1, Ingela K Carlsson1
1Department of Translational Medicine - Hand Surgery, Skåne University Hospital and Lund University, Jan Waldenströms gata 5, SE-205 03, Malmö, Sweden.
BMC Neurology
|September 21, 2018
Summary
Peripheral nerve injury alters sensory processing, leading to a higher incidence of low sensory registration in patients. This finding aids in developing personalized rehabilitation strategies.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Sensory Processing
Background:
- Peripheral nerve injuries, such as median or ulnar nerve transection, induce significant neuroplastic changes in somatosensory brain areas.
- Permanent sensory deprivation following nerve injury can impact intersensory integration.
- Investigating altered sensory processing patterns post-nerve injury is crucial for understanding long-term functional consequences.
Purpose of the Study:
- To determine if median and/or ulnar nerve injuries result in altered sensory processing patterns.
- To assess the influence of age at injury, specific nerve injured, and time since injury on sensory processing.
Main Methods:
- Fifty patients with median and/or ulnar nerve injuries completed the Adolescent/Adult Sensory Profile (AASP) questionnaire.
- AASP categorizes sensory processing into four behavioral quadrants: low registration, sensory seeking, sensory sensitivity, and sensory avoiding.
- Patient data was compared to 209 healthy controls using Anova Matched Design to identify atypical sensory processing.
Main Results:
- A significant difference was observed in the 'low registration' quadrant (Q1), with 40% of patients exhibiting atypical processing compared to 16% of controls.
- No correlation was found between atypical sensory processing patterns and age at injury or time elapsed since injury.
- The study identified a higher prevalence of atypical sensory processing, specifically low registration, in individuals with peripheral nerve injuries.
Conclusions:
- Peripheral nerve injury is associated with altered sensory processing, characterized by an increased proportion of individuals with low registration to sensory stimuli.
- These findings underscore the need for tailored rehabilitation strategies that address altered sensory processing in patients with nerve injuries.
- Understanding these sensory changes can optimize patient-centered care and improve functional recovery outcomes.
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