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Updated: Nov 13, 2025

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
Published on: February 1, 2012
Cognitively demanding stimuli can acquire positive valence
Jini Tae1, Christine An1, Yoonhyoung Lee2
1Department of Psychological and Brain Sciences, The George Washington University, 2125 G St. NW, Bldg. GG, Washington, DC, 20052, USA.
Cognitive effort can lead to positive emotions when tasks are successful. Stimuli associated with higher cognitive effort, like the mostly incongruent (MI) and mostly switching (MS) conditions, were perceived more positively.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Affective Science
Background:
- Individuals often avoid tasks requiring significant mental effort due to potential negative emotional outcomes.
- However, successful task completion involving cognitive effort can paradoxically lead to positive emotional experiences.
Purpose of the Study:
- To investigate the relationship between the level of cognitive effort associated with stimuli and the resulting positive or negative emotions.
- To determine if cognitive effort influences emotional perception following task engagement.
Main Methods:
- Experiment 1 utilized a gender Stroop task (mostly incongruent vs. mostly congruent conditions) followed by an emotion discrimination task.
- Experiment 2 employed a task switching paradigm (mostly switching vs. mostly repetition conditions) followed by an emotion discrimination task.
- Participants' response times to emotional stimuli were measured in a transfer phase after the association phase.
Main Results:
- In Experiment 1, participants responded faster to positive emotions from mostly incongruent (MI) actors compared to negative emotions.
- In Experiment 2, participants showed faster responses to positive emotions from mostly switching (MS) actors than negative emotions.
- No significant differences in emotion perception were found for mostly congruent (MC) or mostly repetition (MR) actors.
Conclusions:
- Stimuli associated with higher cognitive effort (MI and MS conditions) may be perceived more positively after successful task outcomes.
- These findings suggest a potential link between cognitive exertion, task success, and subsequent emotional valence.
- Further research is needed to replicate and extend these findings on cognitive effort and emotion perception.
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