Published: 4 June 2021| Version 1 | DOI: 10.17632/pngx6w89h7.1
Wiebke Herrmann,


Experimental Design: - 200 male participants who either received a capsule with 200 mg of the DA D2-receptor antagonist sulpiride or a non-distinguishable placebo for oral consumption - randomized, double-blind between-subjects design with balanced substance conditions - inclusion criteria of male sex, right-handedness, physical and mental health, age between 18 and 35 years - further details in the preregistration: https://osf.io/eazuh Main Variables: - AX-CPT: Mean reaction times per within-subject condition from the AX-continuous performance task - Switching task: Mean reaction times per within-subject condition - 3-back task: Mean reaction times and percentage of correctly identified targets per within-subject condition - Mean values for personality (Big Five) measured with the German version of the NEO-PI-3 - Mean values for fluid and crystalllized intelligence measured with the intelligence structure battery (INSBAT)