Key result
Classic P3 event-related potential tracks decision-making and predicts choices under strong and ambiguous evidence.
Why the study?
To interact meaningfully with an environment where information is often noisy, agents must integrate external information with internal states, prompting investigation into neural correlates tracking asymmetries between competing alternatives during decision-making.
The P3 event-related potential serves as a neural marker tracking the evolution of decision-making and predicting categorical choices under varying levels of evidence uncertainty.
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P3 may index real-time decisions under uncertainty; leaves open validation as a clinical biomarker.
Parés-Pujolràs et al. (2021) studied this question. Visual evidence accumulation task was evaluated on P3 event-related potential and readiness potential. The classic P3 event-related potential tracked decision-making processes and predicted participants' categorical choices on a single trial level under both strong and ambiguous evidence conditions.
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