Search strings and purposes
| Search strings | Purpose |
| Part 1: (percept* OR attention* OR cogniti* OR workload OR “mental load*” OR “dual task” OR “dual-task”) | Limits the query to cognitive measures. |
| Part 2: (((prosthe* OR amput*) AND (“lower-limb” OR “lower limb” OR “lower extremity” OR transfemoral OR “above knee” OR “above-knee”)) OR “microprocessor knee” OR “prosthetic knee” OR “passive knee” OR “c-leg” OR “total knee” OR “power knee” OR “hydraulic knee”) | Limits population to lower-limb amputee with prosthesis. |
| Part 3: (“walk*” OR “gait”) | Limits study setting to walking. |
| Part 4: (cochlear OR “hearing loss” OR teeth OR dentures OR arthro* OR “hip replacement” OR fracture OR exoskeleton) | Limits population to lower-limb amputee with prosthesis. |
| Part 5: (assessment OR task OR measure* OR test) | Further limits the query to the cognitive measures. |