| MRI | Magnetic Resonance Imaging |
| BOLD response | blood-oxygen-level-dependent response |
| WS group | Water supplementation group |
| NW group | No water supplementation group |
| H | Height |
| W | Weight |
| WC | Waist circumference |
| BP | Blood pressure |
| BG | Blood glucose |
| BC | Body composition |
| CP | Cognitive performance |
| VAS | Visual analogue |
| POMS | Profile of mood state |