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How choice influences risk processing: An ERP study.

Wei Yi¹, Shuting Mei¹, Qi Li²

¹Department of Psychology, Dalian Medical University, Dalian, China.

Biological Psychology

|August 18, 2018

Summary

This summary is machine-generated.

Choice enhances risk processing during anticipation and consumption phases. This effect, observed in electroencephalography (EEG) signals like stimulus-preceding negativity (SPN) and feedback-related negativity (FRN), highlights the role of perceived control in modulating risk perception.

Keywords:

Choice Feedback P3 Feedback-related negativity Perceived control Risk processing Stimulus-preceding negativity

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Area of Science:

Cognitive Neuroscience
Decision Making
Risk Perception

Background:

The experience of control influences how individuals process risks.
Electrophysiological measures like SPN, FRN, and fb-P3 can index neural activity during risk anticipation and outcome evaluation.
Understanding the neural basis of choice-related modulation of risk processing is crucial for decision-making research.

Purpose of the Study:

To investigate how the experience of choice modulates risk processing.
To examine the neural correlates of choice-related risk modulation during anticipatory and consummatory phases.
To determine if perceived control influences neural responses to risk.

Main Methods:

Twenty-four participants completed a gambling task with varying risk levels (low vs. high) and choice conditions (choice vs. no-choice).
Electroencephalography (EEG) was recorded to measure neural activity, specifically stimulus-preceding negativity (SPN), feedback-related negativity (FRN), and feedback P3 (fb-P3).
Subjective ratings of risk and feelings of control were collected.

Main Results:

Higher risk conditions were rated as riskier, and choice conditions reported greater control.
Risk processing consistently elicited larger feedback P3 (fb-P3) amplitudes, irrespective of choice.
Choice modulated neural responses: a more negative stimulus-preceding negativity (SPN) during anticipation and a more positive feedback-related negativity (FRN) during consumption were observed in the choice condition compared to the no-choice condition.

Conclusions:

The experience of choice significantly modulates risk processing during both anticipatory and consummatory phases.
Neural signatures of risk processing, including SPN and FRN, are enhanced under conditions of perceived control.
These findings suggest that motivational salience, driven by control, underlies the choice-induced modulation of risk processing.