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Related Concept Videos

Reason and Intuition01:37

Reason and Intuition

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 brain can only use...
Decision Making: Traditional Method01:14

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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.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
Decision Making01:20

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Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
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Decision Making: P-value Method01:09

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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can have a...
Fundamental Attribution Error01:14

Fundamental Attribution Error

According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is called the fundamental attribution...
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Related Experiment Video

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Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
13:04

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

Taking a gamble or playing by the rules: dissociable prefrontal systems implicated in probabilistic versus

Jamil P Bhanji1, Jennifer S Beer, Silvia A Bunge

  • 1Department of Psychology, University of Texas at Austin, TX 78712, USA. bhanji@mail.utexas.edu

Neuroimage
|September 29, 2009
PubMed
Summary

This study reveals how brain regions process complex decisions. It found specific areas like the lateral prefrontal cortex and anterior insula are key for decision rule complexity and certainty.

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Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Decision Science

Background:

  • Decision-making complexity arises from intricate information processing and uncertainty in probabilistic outcomes.
  • Previous research investigated decision rule complexity or certainty independently, lacking a combined analysis.
  • Disambiguating factors like decision rule complexity and certainty is crucial for understanding decision-making processes.

Purpose of the Study:

  • To investigate the neural correlates of decision rule complexity and decision certainty within a unified experimental framework.
  • To differentiate the effects of choice certainty (confidence in selecting an option) from outcome certainty (confidence in the result of a choice).

Main Methods:

  • Employed functional magnetic resonance imaging (fMRI) to observe brain activity during decision tasks.
  • Systematically varied decision rule complexity and decision certainty (choice and outcome) independently.
  • Utilized comparable decision tasks to isolate the neural modulations of each factor.

Main Results:

  • Lateral prefrontal cortex, dorsal anterior cingulate cortex, and anterior insula were significantly modulated by decision rule complexity.
  • Anterior insula activity correlated positively with lower choice certainty, while ventromedial prefrontal cortex showed the opposite pattern.
  • Outcome certainty did not independently influence the activity in the observed brain regions.

Conclusions:

  • The findings clarify the distinct roles of decision rule complexity, choice certainty, and outcome certainty in brain regions associated with decision-making.
  • Lateral prefrontal cortex is implicated in executing deterministic rules, ventromedial prefrontal cortex in probabilistic rules, and anterior insula in both.
  • This research provides a more nuanced understanding of the neural underpinnings of complex decision-making processes.