Comparison samples general table
| Publication | Definition | Sample size | Age in years (SD) | Males (%) | Right handed (%) | Years of education (SD) |
| Ahrendts 201... | Healthy individuals | 31 | 31.50 (8.60) | 20 (65%) | 31 (100%) | 12.48 (1.10) |
| Almeida Mont... | Healthy individuals | 20 | 27.57 (2.60) | 10 (50%) | 20 (100%) | N/A |
| Amico 2011... | Healthy individuals | 20 | 34.70 (10.70) | 15 (75%) | 19 (95%) | N/A |
| Brieber 2007... | Healthy individuals | 15 | 13.30 (1.80) | 15 (100%) | 15 (100%) | N/A |
| Carmona 2005... | Healthy individuals | 25 | 11.18 (3.21) | 21 (84%) | 23 (92%) | N/A |
| Depue 2010... | Healthy individuals | 21 | 19.30 (1.10) | 8 (38%) | 21 (100%) | 14.24 (1.34) |
| Kobel 2010... | Healthy individuals | 12 | 10.92 (1.62) | 12 (100%) | 10 (83%) | N/A |
| McAlonan 200... | Healthy individuals | 31 | 9.60 (1.80) | 31 (100%) | 31 (100%) | 3.90 (1.60) |
| Overmeyer 20... | Healthy individuals | 16 | 10.30 (2.20) | 15 (94%) | 15 (94%) | N/A |
| Rubia 2010... | Healthy individuals | 13 | 13.90 (1.60) | 13 (100%) | 13 (100%) | N/A |
| Sasayama 201... | Healthy individuals | 17 | 10.00 (2.40) | 12 (71%) | 17 (100%) | N/A |
| Seidman 2010... | Healthy individuals | 54 | 34.30 (11.30) | 25 (46%) | 48 (89%) | N/A |
| Wang 2007... | Healthy individuals | 12 | 13.50 (0.40) | 12 (100%) | 12 (100%) | N/A |
| Yang 2008... | Healthy individuals | 57 | 11.70 | 34 (60%) | N/A | N/A |