Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in value between...
Signal Sequences and Sorting Receptors01:41

Signal Sequences and Sorting Receptors

Signal sequences are short amino acid sequences that guide newly synthesized proteins to their proper location within the cell. Classical signal sequences are fifteen to sixty amino acids long and present at the N-terminus of a polypeptide chain. Each signal sequence has a conserved segment of basic residues towards their N terminus, a hydrophobic core, and a C-terminus rich in polar residues. The C-terminus also contains a signal cleavage site and features a -3 -1 sequence motif. The -3-1...
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
Wilcoxon Signed-Ranks Test for Matched Pairs01:09

Wilcoxon Signed-Ranks Test for Matched Pairs

The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...
Classification of Signals01:30

Classification of Signals

In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
Generalization, Discrimination, and Extinction01:24

Generalization, Discrimination, and Extinction

Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
Generalization occurs when a behavior reinforced in one context is performed in similar situations. For instance, a student who studies diligently for calculus and receives excellent grades might apply the same study habits to psychology and history, expecting similar results. Generalization shows how learning in one setting can influence behavior in...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Connecting process models to response times through Bayesian hierarchical regression analysis.

Behavior research methods·2024
Same author

Solving Bongard Problems With a Visual Language and Pragmatic Constraints.

Cognitive science·2024
Same author

Influence of reinforcement and its omission on trial-by-trial changes of response bias in perceptual decision making.

Journal of the experimental analysis of behavior·2024
Same author

Working memory performance is tied to stimulus complexity.

Communications biology·2023
Same author

Measuring metacognition of direct and indirect parameters of voluntary movement.

Journal of experimental psychology. General·2021
Same author

Auditory cortex reflects goal-directed movement but is not necessary for behavioral adaptation in sound-cued reward tracking.

Journal of neurophysiology·2020

Related Experiment Video

Updated: Jul 17, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Reconciling Signal-Detection Models of Criterion Learning with the Generalized Matching Law.

Christina Koß1, Luis de la Cuesta-Ferrer2, Maik C Stüttgen2

  • 1Centre for Cognitive Science, Institute of Psychology, Technical University of Darmstadt, Darmstadt, Germany.

Computational Brain & Behavior
|July 16, 2026
PubMed
Summary

Animals balance perceptual uncertainty and reinforcement outcomes when making decisions. This study integrates signal detection and learning theories to model how animals learn decision criteria, aligning behavior with established matching laws.

Keywords:
Criterion learning modelDecision makingMatching lawSignal detection theory

Related Experiment Videos

Last Updated: Jul 17, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Area of Science:

  • Cognitive Neuroscience
  • Animal Behavior
  • Decision Theory

Background:

  • Animals must manage perceptual uncertainty and action outcome uncertainty for optimal decision-making.
  • Existing models struggle to reconcile reinforcement learning with perceptual uncertainty in behavior.

Purpose of the Study:

  • To integrate signal detection theory and matching laws to understand joint effects of reinforcement and uncertainty on behavior.
  • To develop a computational model for adaptive decision-making under uncertainty.

Main Methods:

  • Derived optimal decision criterion aligned with matching laws.
  • Developed a trial-by-trial criterion updating model.
  • Validated the model against empirical data and simulations.

Main Results:

  • The integrated model successfully predicts behavior consistent with matching laws.
  • Simulations demonstrate alignment with both perceptual matching laws and empirical subject behavior.
  • The model provides a unified framework for decision-making under uncertainty.

Conclusions:

  • This work bridges signal detection and animal learning theories.
  • The developed model offers a mechanistic explanation for how reinforcement and perceptual uncertainty jointly shape behavior.
  • The findings advance our understanding of adaptive decision-making strategies.