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Aversive pavlovian responses affect human instrumental motor performance
Francesco Rigoli1, Enea Francesco Pavone, Giovanni Pezzulo
1Università di Siena Siena, Italy ; Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche Roma, Italy.
Frontiers in Neuroscience
|October 13, 2012
Summary
Pavlovian responses influence human decision-making, sometimes leading to maladaptive outcomes in performance. Understanding this instrumental-Pavlovian interaction is key to explaining irrational behaviors.
Area of Science:
- Neuroscience
- Psychology
- Behavioral Economics
Background:
- Behavioral control is categorized into instrumental (habitual, goal-directed) and Pavlovian types.
- Understanding the interplay between instrumental and Pavlovian mechanisms is crucial for decision-making research.
- While animal studies show maladaptive Pavlovian effects on instrumental performance, human evidence is limited.
Purpose of the Study:
- To investigate the impact of Pavlovian conditioned responses on human instrumental performance.
- To explore the mechanisms modulating Pavlovian influences in the aversive domain.
- To provide insights into the computational basis of the instrumental-Pavlovian interaction.
Main Methods:
- A behavioral experiment was designed to assess Pavlovian responses in humans.
- The study focused on the aversive domain to examine performance modulation.
- Key modulator variables included threat distance, task controllability, and punishment history.
Main Results:
- Pavlovian responses significantly influenced human performance.
- These responses exhibited maladaptive effects, mirroring findings in animal studies.
- Performance was impaired or enhanced based on factors like threat proximity and training amount.
Conclusions:
- Pavlovian responses can detrimentally affect human instrumental performance.
- Modulator variables critically determine the nature of Pavlovian influence.
- Findings illuminate the instrumental-Pavlovian interaction, potentially explaining irrational behaviors in various domains.
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