Domain Tested | Test | Description | Clinical Outcomes | Instrumented Outcomes |
---|---|---|---|---|
Symptomology | Dizziness Handicap Inventory (DHI) [54] | Questionnaire about dizziness while performing various tasks | Total symptom score | - |
 | Post-Traumatic Stress Disorder (PTSD) Checklist [55] | List of problems and complaints people have in response to stressful life experiences | Total symptom score | - |
 | Pain Location Inventory (PLI) [56] | Questionnaire about presence and location of pain | Total symptom score | - |
 | SIQR Symptom Questionnaire [57] | Rates symptoms on a sliding scale | Total symptom score | - |
 | Sport Concussion Assessment Tool 3 (SCAT3) Symptom Questionnaire [58] | Rates 22 symptoms on a scale from 0 to 6 | Total symptom score | - |
 | Becks Depression Inventory (BDI-II) [59] | Questions regarding depression and personal emotions | Total symptom score | - |
 | Short Form 36 (SF-36) [60] | 36 questions about daily living and how symptoms have or have not changed over time | Total symptom score | - |
 | Neurobehavioral Symptom Inventory (NSI) [61] | Rates common symptoms associated with TBI | Total symptom score | - |
Neurocognition | Automated Neuropsychological Assessment Metrics (ANAM) [62] | Computerized battery of neurocognitive tests | Individual component scores, Summary score | - |
Reaction Time | Clinical Reaction Time Test [63] | Consists of dropping a rod attached to a weighted disk and measuring the distance the rod falls before being caught | Average distance the disk falls | - |
Static Balance | Modified BESS [58] | 20Â s of stance with feet together, on one leg, and in tandem stance | Subjective error count | Measures of sway: RMS, jerk, total power, Mean distance, sway area |
 | Clinical Test of Sensory Organization and Balance (CTSIB) [64] | 60 s of stance in 4 conditions: eyes open on firm ground, eyes closed on firm ground, eyes open on foam, eyes closed on foam | Number of conditions completed | Multi-scale complexity (entropy) |
Dynamic Balance | Single-task gait | Walking at a comfortable pace down and back in a 16Â m hallway for 16 times. | Gait speed, time to complete | Mediolateral trunk sway, Phase-coordination index, stride length, stride variability, nonlinear local dynamic stability |
 | Dual-task gait | Walking at a comfortable pace down and back in a 16 m hallway for 16 times while verbally responding to an auditory stroop cue | Change between single-task and dual-task gait speed | Change between single-task and dual-task instrumented outcomes |
 | Turning gait | Walking at a comfortable pace around a marked course 12 times | Average time to complete the course | Head-trunk-lumbar roll angular velocity, head-trunk-lumbar-foot yaw velocity, coordination of head-trunk-lumbar-foot reorientation |
 | Fast turning gait | Walking at a fast pace around a marked course 4 times | Change in time to complete course between comfortable and fast walking speeds | Change in turning gait instrumented measures between comfortable and fast walking speeds |
Central Sensorimotor Integration | Sensory Organization Test (SOT) [65] | Calculates visual, proprioceptive, and vestibular ratio scores based on sway under varying sensory conditions | Visual, proprioceptive, and vestibular ratio scores | - |
 | Novel CSMI Test [22]a | Quantifies sway response to pseudorandom stimuli by calculating sensory weighting and neural controller parameters | - | Parameters defined in Table 2 |
Daily Activity | At-home activity monitoringb | Uses an inertial sensory worn daily to quantify the activity level | - | Activity level, number of steps per day, number of turns per day |