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

Perceptual Constancy01:12

Perceptual Constancy

1.3K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.3K
Decision Making01:20

Decision Making

938
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...
938
Decision Making: P-value Method01:09

Decision Making: P-value Method

6.8K
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...
6.8K
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

5.1K
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...
5.1K
Dynamic Equilibrium02:20

Dynamic Equilibrium

62.1K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
62.1K
¹H NMR of Labile Protons: Temporal Resolution01:10

¹H NMR of Labile Protons: Temporal Resolution

1.7K
Protons bonded to heteroatoms such as nitrogen and oxygen exhibit a range of chemical shift values. This is due to the varying degree of hydrogen bonding between the proton and the heteroatom in other molecules. The extent of hydrogen bonding affects the electron density around the proton, thereby giving different chemical shift values for the protons in the proton NMR spectrum.
The –OH proton in alcohols typically appears in the range of δ 2 to 5 ppm but can vary depending on the specific...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Benchmarking spatial discrimination thresholds of two-frame motion defined forms compared to luminance and stereoscopic defined forms.

Perception·2026
Same author

Reward History and Multisensory Signals Interact in a Localisation Task.

Quarterly journal of experimental psychology (2006)·2026
Same author

Two senses are better than one: Enhanced orienting to bimodal cues at short cue-target onset asynchronies.

Acta psychologica·2026
Same author

Audio-Visual Integration in 3D Space Near the Body.

Multisensory research·2025
Same author

Influence of simple crossmodal correspondence on interpretation of spoken intent.

Attention, perception & psychophysics·2025
Same author

Individual differences in affect in response to physical activity.

Frontiers in psychology·2025

Related Experiment Video

Updated: Jan 25, 2026

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
11:52

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps

Published on: February 9, 2017

6.5K

Temporal dynamics of a perceptual decision.

Mick Zeljko1, Ada Kritikos1, Philip M Grove1

  • 1School of Psychology, The University of Queensland, Brisbane, Australia.

Journal of Vision
|May 7, 2019
PubMed
Summary

Cognitive expectations influence perception. Behavioral changes before a decision predict the outcome, demonstrating how top-down cognitive factors shape sensory interpretation.

Area of Science:

  • Cognitive Neuroscience
  • Perceptual Psychology
  • Human-Computer Interaction

Background:

  • Cognitive factors influence perception of ambiguous stimuli.
  • Top-down processing plays a role in perceptual interpretation.
  • Previous methods relied on post-hoc subjective reports.

Purpose of the Study:

  • To dynamically track behavioral responses during evolving perceptual decisions.
  • To investigate the temporal unfolding of cognitive influences on perception.
  • To examine predictive behavioral changes preceding perceptual outcomes.

Main Methods:

  • A modified stream-bounce display was used.
  • Participants actively tracked a target using a trackpad.
  • Tracking speed was measured dynamically as the dependent variable.

More Related Videos

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.6K
Monitoring Protein-RNA Interaction Dynamics In Vivo at High Temporal Resolution Using χCRAC
09:15

Monitoring Protein-RNA Interaction Dynamics In Vivo at High Temporal Resolution Using χCRAC

Published on: May 9, 2020

5.7K

Related Experiment Videos

Last Updated: Jan 25, 2026

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
11:52

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps

Published on: February 9, 2017

6.5K
Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.6K
Monitoring Protein-RNA Interaction Dynamics In Vivo at High Temporal Resolution Using χCRAC
09:15

Monitoring Protein-RNA Interaction Dynamics In Vivo at High Temporal Resolution Using χCRAC

Published on: May 9, 2020

5.7K

Main Results:

  • The paradigm replicated known streaming and bouncing biases.
  • A significant behavioral change preceded perceptual decisions.
  • Slower tracking speeds were observed before audiovisual bounce events compared to stream events.

Conclusions:

  • Behavioral responses reflect cognitive expectations that bias perception.
  • Findings support predictive-coding and common-coding frameworks.
  • This method offers behavioral evidence corroborating neuroimaging studies on early brain activity in perception and action.