| Attributes | Distribution of controls by gender (n = 22) | |
| Male | Female | |
| Gender | 10 | 12 |
| Age range | 23 - 34 | 22 - 34 |
| Age mean/SD | 9.84/3.86 | 26.8/3.65 |
| R Handed | 8 | 9 |
| L Handed | 1 | 2 |
| Ambidextrous | 1 | 1 |