| VR | Virtual Reality |
| AD | Alzheimer disease |
| PD | Parkinson disease |
| MS | Multiple sclerosis |
| RCTs | Randomized Controlled Trials |
| EGs | experimental groups |
| CGs | control groups |
| BBS | Berg Balance Scale |
| IADL | Instrumental activities of daily living |
| MCI | Mild cognitive impairment |
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