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Related Concept Videos

Factors Affecting Perception01:25

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Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
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The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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Related Experiment Video

Updated: Jul 13, 2025

An Automated T-maze Based Apparatus and Protocol for Analyzing Delay- and Effort-based Decision Making in Free Moving Rodents
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Explicit effort may not influence perceptuomotor decision-making.

Joseph X Manzone1, Timothy N Welsh2

  • 1Faculty of Kinesiology and Physical Education, Centre for Motor Control, University of Toronto, 55 Harbord Street, Toronto, ON, M5S 2W6, Canada. joseph.manzone@mail.utoronto.ca.

Experimental Brain Research
|October 13, 2023
PubMed
Summary
This summary is machine-generated.

Explicit effort differences did not bias perceptuomotor decisions in this study. Action effort may not influence decision-making in biomechanical contexts, suggesting context is key.

Keywords:
EffortMovement costPerceptual decision-makingPerceptuomotor decision-makingReaching

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Area of Science:

  • Cognitive Neuroscience
  • Motor Control
  • Human Decision-Making

Background:

  • Perceptuomotor decisions involve selecting actions based on sensory input.
  • Previous research suggested a potential bias against high-effort actions when effort is not explicitly known.
  • Understanding the role of effort in decision-making is crucial for explaining action selection.

Purpose of the Study:

  • To investigate whether explicit differences in reaching effort influence perceptuomotor decisions.
  • To determine if participants exhibit a bias away from high-effort movement choices.
  • To explore the impact of response context on effort-based decision-making.

Main Methods:

  • Neurotypical participants performed reaching movements to indicate judgments of random dot motion stimuli.
  • Movement effort was manipulated using resistance bands, creating differential effort requirements for different choices.
  • Experiments varied response context, including within-limb and between-limb selections.

Main Results:

  • Across all experiments, no significant bias was observed against the perceptuomotor decision associated with higher effort.
  • The explicit manipulation of reaching effort did not alter participants' choices.
  • Response context did not interact with effort differences to influence decision-making.

Conclusions:

  • Explicit reaching effort does not appear to influence perceptuomotor decision-making in this biomechanical context.
  • These findings suggest that the influence of action effort on decisions may be highly context-dependent.
  • Further research is needed to fully elucidate the relationship between action, effort, and decision-making.