Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Effects of feedback

Effects of feedback

Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...

Feedback Inhibition

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!

Feedback control systems

Feedback control systems

Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...

Information Processing Approach

Information Processing Approach

The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...

First Impression

First Impression

First impressions play a crucial role in social perception, shaping how individuals assess others in professional, academic, and interpersonal contexts. Psychological research highlights the significance of cognitive biases, such as the primacy and recency effects, which influence how people interpret and recall information.The Primacy Effect and Cognitive AnchoringThe primacy effect describes the tendency for initial information to impact judgment disproportionately. When individuals encounter...

Impact of Schemas

Impact of Schemas

Schemas are cognitive structures that provide a framework for interpreting and organizing social information. They help individuals navigate complex environments by offering expectations about people, events, and behaviors. Schemas influence attention, encoding, and retrieval processes, thereby shaping the entire trajectory of information processing in social contexts.Attention and Cognitive LoadDuring initial attention, schemas function as filters that prioritize schema-consistent information,...

You might also read

Related Articles

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

Sort by

Same author

Significance of Lipoprotein(a) in Coronary Artery Disease: A Comparative Study of Patients Undergoing Percutaneous Coronary Intervention and Healthy Individuals.

Circulation reports·2026

Same author

Multicenter Real-World Analysis of Glofitamab in Relapsed/Refractory Primary CNS Lymphoma: Clinical Activity, CNS Penetration, and ctDNA Dynamics.

American journal of hematology·2026

Same author

Distinct perceptual-metacognitive profiles of interoceptive and exteroceptive timing.

Consciousness and cognition·2026

Same author

A Cysteine-Specific Cationization Strategy for Versatile Antibody Production against Intrinsically Disordered Proteins.

Bioconjugate chemistry·2026

Same author

Intelligibility of interrupted and checkerboard speech with two talkers: Further evidence for four speech cue channels.

Attention, perception & psychophysics·2026

Same author

Prognostic genes related to mitochondrial dynamics and mitophagy in diffuse large B-cell lymphoma are identified and validated using an integrated analysis of bulk and single-cell RNA sequencing.

Frontiers in immunology·2025

Search research articles

Related Experiment Video

Updated: May 26, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Diffusive feedback influences on hierarchical information processing.

Ai Miyamoto¹, Jun Hasegawa, Meihong Zheng

¹Department of Psychology, University of Victoria, Victoria, BC V8W 3P5, Canada. aicanada@uvic.ca

Neural Computation

|December 16, 2011

Summary

Diffused feedback projections from the secondary to primary visual cortex (V2-to-V1) accelerate visual processing. This neural pathway enhances reaction times for shape perception by influencing early V1 cell activity.

More Related Videos

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients

Published on: June 12, 2020

Force and Position Control in Humans - The Role of Augmented Feedback

Force and Position Control in Humans - The Role of Augmented Feedback

Published on: June 19, 2016

Related Experiment Videos

Last Updated: May 26, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients

The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients

Published on: June 12, 2020

Force and Position Control in Humans - The Role of Augmented Feedback

Force and Position Control in Humans - The Role of Augmented Feedback

Published on: June 19, 2016

Area of Science:

Neuroscience
Computational Neuroscience
Visual Processing

Background:

The feedforward pathway from primary to secondary visual cortex (V1-to-V2) is crucial for shape perception.
Feedback projections (V2-to-V1) include clustered and diffused pathways, with the role of diffused projections being unclear.

Purpose of the Study:

To investigate the functional role of diffused feedback projections from V2 to V1 in visual information processing.
To understand how V2-to-V1 signaling impacts V1 cell responses and reaction times.

Main Methods:

Simulated a minimal, functional neural network model of the V1-V2 pathway.
Analyzed the effects of diffused feedback on V1 cell membrane oscillations and response latencies.

Main Results:

Diffused feedback projections induced spontaneous subthreshold membrane oscillations in V1 cells.
These oscillations reduced V1 cell reaction times to stimuli representing angular information.
Feedback effects were observed even before V2 responses, potentially due to spontaneous V2 signaling.

Conclusions:

Diffused V2-to-V1 feedback accelerates visual processing by enhancing V1 cell responsiveness.
This mechanism may play a significant role in the rapid extraction of angular information for object shape recognition.