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

Response Surface Methodology01:16

Response Surface Methodology

Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
Surface Tension01:24

Surface Tension

Surface tension is defined as the force per unit length (γ) acting along the surface of a liquid. It arises due to strong intermolecular forces of attraction. A molecule located inside the bulk of the liquid is surrounded by other molecules and experiences equal forces in all directions. However, a molecule at the surface experiences unbalanced forces because there are more neighboring molecules below than above. This creates a net inward force that pulls surface molecules toward the interior,...
Surface Tension of Fluid01:22

Surface Tension of Fluid

Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies with...
Surface Area Calculations01:22

Surface Area Calculations

Surface area calculations for a graph z = f(x, y) are fundamental in engineering applications involving curved structures such as satellite dishes. A parabolic dish reflects communication signals efficiently, but engineers must determine its exact curved surface area to estimate coating materials, fabrication costs, and structural requirements. Since the rim of the dish forms a circular boundary, the surface area is calculated over a circular domain in the xy-plane.Parametric Representation of...
Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
Transient and Steady-state Response01:24

Transient and Steady-state Response

In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state response.

You might also read

Related Articles

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

Sort by
Same author

Perceptual enhancement and suppression correlate with V1 neural activity during active sensing.

Current biology : CB·2022
Same author

Transsacadic Information and Corollary Discharge in Local Field Potentials of Macaque V1.

Frontiers in integrative neuroscience·2019
Same author

Saccade-based termination responses in macaque V1 and visual perception.

Visual neuroscience·2018
Same author

Contrast sensitivity, V1 neural activity, and natural vision.

Journal of neurophysiology·2016
Same author

Rational design and binding mode duality of MDM2-p53 inhibitors.

Journal of medicinal chemistry·2013
Same author

Computational study on the molecular structures and photoelectron spectra of bimetallic oxide clusters MW2O9(-/0) (M=V, Nb, Ta).

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2013

Related Experiment Video

Updated: Jul 4, 2026

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

V1 response timing and surface filling-in.

Xin Huang1, Michael A Paradiso

  • 1Department of Neuroscience, Brown University, Providence, Rhode Island, 02912, USA.

Journal of Neurophysiology
|May 30, 2008
PubMed
Summary

Neural filling-in processes in the brain

Area of Science:

  • Neuroscience
  • Visual Perception
  • Computational Neuroscience

Background:

  • Surface perception relies on boundary information and involves slow, scale-dependent processes.
  • Neural mechanisms underlying perceptual filling-in remain unclear.
  • Primary visual cortex (V1) is a potential substrate for visual processing.

Purpose of the Study:

  • To investigate if surface perception is linked to slow, scale-dependent neural filling-in.
  • To determine the role of primary visual cortex (V1) in perceptual filling-in.

Main Methods:

  • Recorded neural responses in macaque primary visual cortex (V1).
  • Compared responses to surface interiors versus optimal bar stimuli.
  • Analyzed response delays relative to surface borders.

More Related Videos

High-speed Particle Image Velocimetry Near Surfaces
11:59

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells
10:14

Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells

Published on: November 18, 2016

Related Experiment Videos

Last Updated: Jul 4, 2026

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

High-speed Particle Image Velocimetry Near Surfaces
11:59

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells
10:14

Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells

Published on: November 18, 2016

Main Results:

  • Neural responses in V1 were slower to surface interiors than to bars.
  • Response delays to surface interiors increased with distance from the border.
  • Findings suggest a correlation between neural response latencies and perceptual filling-in.

Conclusions:

  • V1 neural activity is consistent with a scale-dependent filling-in process.
  • Primary visual cortex (V1) may provide the neural basis for perceptual filling-in.
  • These findings advance our understanding of visual information processing.