2.1. Subjects
psychiatric
Thirty right-handed healthy adult volunteers (21 females/9 males; age range: 18–34 years old; age (mean ± standard deviation (SD)): 20.93 ± 2.14 years) with no previous psychiatric or neurological history participated in the experiment. 70% (21/30) of volunteers were students of medicine and biology, followed by 20% (6/30) engineering students and 10% (3/30) other students (pursuing degrees in law, business, etc.). The Edinburgh inventory was applied to identify hand laterality (mean ± SD: 0.77 ± 0.18) [