TABLE 1.
Study | Task | EEG measure | FB | Behavioral results |
Oscillatory results |
|||
Encoding | Maintenance | Retrieval | Load | |||||
Van Dijk et al., 2010 | aDMS | Power | α | – | ↑α (T) | ↑α (T) | – | – |
Grimault et al., 2009 | vSTM | Power | α | – | – | ↑α | – | ↑Load = ↑α (F, P) |
Haegens et al., 2009 | DMS | Power | αβγ | 73.7% correct responses | ↑γ (contralateral, somatosensory) ↑α (contralateral, somatosensory) ↓β (contralateral, somatosensory) |
↑γ (bilateral SII) ↑α (O) |
– | – |
Herrmann et al., 2004 | vDMS | Power | α | – | – | ↑α (P) | – | – |
Jensen and Tesche, 2002 | Sternberg | Power | θ | ↑ Load = ↑ RT | – | ↑Load = ↑θ(F) ↑Load = ↓θ(C, P) |
– | ↑Load = ↑θ(F) ↑Load = ↓θ(C, P) |
Kaiser et al., 2003 | DMS | Power, coherence | γ | – | – | ↑γ (LT) ↑γ (Coh. LT - F) |
– | – |
Meltzer et al., 2007 | Sternberg | θα | ↑ Load = ↑ RT | – | – | ↑Load = ↑(θ(FM) | ||
Moran et al., 2010 | vDMS | Frequency | θ | Items remembered: 1.5 - 5 | – | ↑θ(F, P) | – | ↑Load = ↑θ(F, P) |
Palva et al., 2011 | vDMS | Power | βγ | ↑Load = ↓Accuracy | – | ↑Load = ↑γ (O) ↑Load = ↑β (O) |
– | ↑Load = ↑γ (O) ↑Load = ↑β (O) |
Roux et al., 2012 | vDMS | Power | αγ | No difference in RT. | – | ↑γ(P) | – | ↑Load = ↑γ(P) |
Samuel et al., 2018 | vDMS | Frequency | α | – | ↓α (Freq.) | ↑α (Freq.) | ↑α (Freq.) | – |
Tallon-Baudry et al., 2004 | vDMS | Phase synchrony | β | – | – | ↑β (P) | – | – |
DMS, delay match-to-sample task; aDMS, auditory DMS; vDMS, visual DMS; F, frontal; C, central; T, temporal; P, parietal; O, occipital; M, medial; L, left; R, right. SII, supplementary somatosensory; RT, reaction time. Frequency bands: δ, delta (1–4Hz); θ, theta (4–8 Hz); α, alpha (8–12 Hz); β, beta (12–30 Hz); γ, gamma (>30 Hz).