| BDI | Beck Depression Inventory |
| BZD | Benzodiazepine |
| CC BY | Creative Commons Attribution |
| CIS | Clinically Isolated Syndrome |
| CMSC | Consortium of Multiple Sclerosis Centers |
| DMN | Default Mode Network |
| DMT | Disease-Modifying Therapy |
| EDSS | Expanded Disability Status Scale |
| ERD | Event-Related Desynchronization |
| ERF | Event-Related Field |
| FC | Functional Connectivity |
| FDR | False Discovery Rate |
| fMRI | Functional Magnetic Resonance Imaging |
| FSS | Fatigue Severity Scale |
| HC | Healthy Control |
| ICA | Independent Component Analysis |
| IRB | Institutional Review Board |
| MAGNIMS | Magnetic Resonance Imaging in Multiple Sclerosis |
| MEG | Magnetoencephalography |
| MFIS | Modified Fatigue Impact Scale |
| MHI | Mental Health Inventory |
| MRI | Magnetic Resonance Imaging |
| MS | Multiple Sclerosis |
| NAIMS | North American Imaging in Multiple Sclerosis |
| NIH | National Institutes of Health |
| N-back | N-back Working Memory Task |
| PCC | Partial Cross-Correlation |
| PET | Positron Emission Tomography |
| PLI | Phase Lag Index |
| PLM | Phase Linearity Measurement |
| PLV | Phase Locking Value |
| PMBR | Post-Movement Beta Rebound |
| PPMS | Primary Progressive Multiple Sclerosis |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| RIS | Radiologically Isolated Syndrome |
| ROI | Region of Interest |
| RRMS | Relapsing-Remitting Multiple Sclerosis |
| SD | Standard Deviation |
| SDMT | Symbol Digit Modalities Test |
| SEF | Somatosensory Evoked Field |
| SI | Primary Somatosensory Cortex |
| SII | Secondary Somatosensory Cortex |
| SL | Synchronization Likelihood |
| SPMS | Secondary Progressive Multiple Sclerosis |
| TDE-HMM | Time-Delay Embedded Hidden Markov Model |
| TPJ | Temporoparietal Junction |
| VAMC | Veterans Affairs Medical Center |
| VEF | Visual Evoked Field |
| VHA | Veterans Health Administration |