| Research author | EEG headset model used | Brief description of electrode placements | Frequency bands recorded |
| [102] | BioSemi ActiveTwo | Prefrontal, prefrontal-frontal, frontal, frontal-central, temporal, central, central-parietal, parietal, parietal-occipital, occipital | Theta, alpha, lower-beta, upper-beta, gamma | [130] | NeuroSky MindWave | Prefrontal | Delta, theta, low-alpha, high-alpha, low-beta, high-beta, low-gamma, mid-gamma | [120] | actiChamp | Frontal, central, parietal, occipital | Delta, theta, alpha, beta, gamma | [109] | AgCl Electrode Cap | — | Delta, theta, alpha, beta, gamma | [103] | BioSemi ActiveTwo | Frontal | Delta, theta, alpha, beta, gamma | [104] | BioSemi ActiveTwo | Prefrontal, prefrontal-frontal, frontal, frontal-central, temporal, central, central-parietal, parietal, parietal-occipital, occipital | Delta, theta, alpha, beta, gamma | [105] | BioSemi ActiveTwo | Prefrontal, prefrontal-frontal, frontal, frontal-central, temporal, central, central-parietal, parietal, parietal-occipital, occipital | Delta, theta, alpha, beta, gamma | [117] | Emotiv EPOC+ | Prefrontal-frontal, frontal, frontal-central, temporal, parietal, occipital, frontal-central | Delta, theta, alpha, beta, gamma | [58] | Muse | Temporal-parietal, prefrontal-frontal | Delta, theta, alpha, beta, gamma | [107] | NeuroSky MindWave | Prefrontal | Delta, theta, alpha, beta, gamma | [119] | Emotiv EPOC+ | Prefrontal-frontal, frontal, frontal-central, temporal, parietal, occipital, frontal-central | Alpha, low-beta, high-beta, gamma, theta | [101] | BioSemi ActiveTwo | Prefrontal, prefrontal-frontal, frontal, frontal-central, temporal, central, central-parietal, parietal, parietal-occipital, occipital | Alpha, beta | [112] | Ag/AgCK Subtered Ring Electrodes | Fp1, T3, F7, O1, T4, Fp2, C3, T5, F3, P3, T6, P4, O2, F4, F8 | — | [113] | B-Alert X10 | Frontal, central, parietal | — | [100] | BioSemi ActiveTwo | Prefrontal, prefrontal-frontal, frontal, frontal-central, temporal, central, central-parietal, parietal, parietal-occipital, occipital | — |
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