| ASD | Autism Spectrum Disorder |
| EEG | Electroencephalography |
| SWT | Stationary Wavelet Transform |
| DWT | Discrete Wavelet Transform |
| FLDA | Fisher’s Linear Discriminant Analysis |
| LDA | Linear Discriminant Analysis |
| Db4 | Daubechies-4 (mother wavelet) |
| BCI | Brain–Computer Interface |
| BCI2000 | Brain–Computer Interface 2000 platform (software) |
| STFT | Short-Time Fourier Transform |
| CWT | Continuous Wavelet Transform |
| CSP | Common Spatial Pattern |
| LBP | Local Binary Pattern |
| k-NN | k-Nearest Neighbors |
| SVM | Support Vector Machine |
| RF | Random Forest |
| CNN | Convolutional Neural Network |
| RNN | Recurrent Neural Network |
| LSTM | Long Short-Term Memory (network) |
| GRU | Gated Recurrent Unit |
| ANN | Artificial Neural Network |
| VMD | Variational Mode Decomposition |
| AUC | Area Under the Curve |
| ROC-AUC | Area Under the Receiver Operating Characteristic Curve |
| LOSO | Leave One Subject Out |
| MCI | Mild Cognitive Impairment |
| KAU | King Abdulaziz University |