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The importance of decision onset
Tobias Teichert1, Jack Grinband2, Vincent Ferrera3
1Department of Psychiatry and Biomedical Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Neuroscience, Columbia University, New York, New York; and teichert@pitt.edu.
Decision-making involves integrating evidence over time. New research shows that when this evidence integration starts (integration onset) can be strategically adjusted, not just fixed by delays.
Area of Science:
- Cognitive Neuroscience
- Decision Neuroscience
Background:
- Decision-making models typically focus on evidence integration until a response threshold is met.
- Response thresholds are known to be modulated by top-down control for speed-accuracy trade-offs.
Purpose of the Study:
- To review the emerging understanding of decision integration onset.
- To highlight the potential for top-down regulation of integration onset.
Main Methods:
- Review of behavioral and electrophysiological studies.
- Analysis of factors influencing decision onset.
Main Results:
- Integration onset is not solely determined by sensory delays.
- Stimulus properties, task demands, attention, and strategy influence integration onset.
- Integration onset appears to be a flexible parameter, adjustable via top-down control.
Conclusions:
- Cognitive control can be exerted by adjusting integration onset, similar to response threshold.
- Flexible adjustment of integration onset optimizes decision-making strategies for specific behavioral requirements.
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