Related Experiment Video
Updated: Mar 30, 2026
06:46
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.6K
Modulation of Saccade Vigor during Value-Based Decision Making
Thomas R Reppert1, Karolina M Lempert2, Paul W Glimcher2
1Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, and treppert@jhu.edu.
Summary
Eye movement vigor reflects subjective value during decision-making. As people deliberate, saccade vigor increases for their preferred option, revealing real-time valuation processes in the brain.
Area of Science:
- Neuroscience
- Cognitive Science
- Decision-Making
Background:
- Value-based decision-making involves selecting options based on subjective value.
- Eye movements (saccades) during deliberation may reflect this valuation process.
- Saccade vigor, or peak velocity, is potentially influenced by associated rewards.
Purpose of the Study:
- To investigate if saccade vigor during free viewing of options is influenced by their subjective valuation.
- To determine if motor system activity (saccade vigor) reflects real-time value assignment during decision-making.
Main Methods:
- Participants chose between immediate small and delayed larger monetary rewards.
- Saccade vigor was measured during the deliberation period.
- The relationship between saccade vigor and the difference in subjective values was analyzed.
Main Results:
- Saccade vigor was initially similar for both options but diverged before decision time.
- Vigor became greater for the preferred option as deliberation progressed.
- The increase in vigor correlated with the difference in subjective values assigned to the options.
Conclusions:
- Saccade vigor reflects real-time stimulus evaluation during decision-making.
- Diverging saccade vigor indicates a shared neural network for value assignment and motor control.
- Motor system activity provides insights into the subjective valuation process.
More Related Videos
Related Concept Videos
01:20Decision Making
1.2K
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.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
1.2K
01:09Decision Making: P-value Method
7.2K
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...
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...
7.2K
01:14Decision Making: Traditional Method
5.7K
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...
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...
5.7K
01:25Motivational Bias
473
Cognitive bias results from limitations in thinking and information processing, leading to systematic errors in judgment. Conversely, motivational bias stems from personal desires or emotions, causing distortions in perception to align with self-interest. Motivational bias influences how individuals perceive and attribute causes to events, often shaped by personal needs, goals, and self-esteem preservation. This bias can distort judgment, leading to inaccurate assessments of success, failure,...
473
01:25The Anchoring-and-Adjustment Heuristic
7.9K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.9K
01:20Lazarus's Cognitive Appraisal Theory
2.7K
Cognitive psychologist Richard Lazarus proposed the cognitive-mediational theory of emotions, which emphasizes how individuals' assessments of stressors significantly affect their experience of stress. According to Lazarus, the stress response is determined by a two-step appraisal process: primary appraisal and secondary appraisal. These cognitive appraisals help individuals evaluate the potential impact of a stressor and determine the adequacy of their coping resources.
Primary Appraisal:...
Primary Appraisal:...
2.7K