Mobile Sensorimotor Integration Assessment Following Repetitive Sub-Concussive Loading

Sub-concussive head impacts produce measurable neurophysiological impairments, despite lacking clinically observable symptoms. Repeated exposure to sub-concussive loading increases the risk of neurological dysfunction. Measuring sensorimotor integration shows promise in identifying dysfunction following mild traumatic brain injury (mTBI). The long-term goal of this work is to establish the degree to which sensorimotor integration impairment occurs following exposure to repetitive sub-concussive loading (RSCL). This study seeks to establish metrics that work in the field to evaluate sensorimotor integration impairment incurred by RSCL. We hypothesize that wireless sensorimotor integration measurements can be used to objectively assess impairment in the field following exposure to RSCL. Oculomotor control, postural control, and cortical activation assessments provide an overview of sensorimotor integration function. In Aim 1, we will establish a mobile testing unit to assess sensorimotor integration. Through Aims 2 and 3, we will determine in the field if alterations in sensorimotor integration are evident in postural control and oculomotor control measures with their accompanying cortical activation measurements following a period of exposure to RSCL (such as contact-sport). With more individuals suffering neurological injury than are being detected, it is imperative to establish an objective, in-field measure to identify impairment following RSCL.

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