Mental fatigue and control tasks
fatigue
We used two different Stroop tasks in the two experimental conditions to test our hypothesis of mental fatigue caused by prolonged performance of cognitively demanding or simple monotonous tasks. The first Stroop task (Stroop taskDuring the control condition, the participants watched a documentary (“When we left earth-the NASA missions” by Discovery entertainments, 2008) for 45 min. The contents of this documentary are both engaging and emotionally neutral justifying its choice in the current and several previous mental fatigue studies (Van Cutsem et al. 