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

Weighted Mean

Weighted Mean

While taking the arithmetic, geometric, or harmonic mean of a sample data set, equal importance is assigned to all the data points. However, all the values may not always be equally important in some data sets. An intrinsic bias might make it more important to give more weightage to specific values over others.
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...

Atomic Weight

Atomic Weight

Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams. Scientists arbitrarily define this amount of mass as one atomic mass unit (amu) or one Dalton. Electrons are much smaller in mass than protons, weighing only 9.11 × 10-28 grams, or about 1/1800 of an atomic mass unit. As a result, they do not contribute much to an element's overall atomic mass. This means that, when considering atomic mass, it is customary to ignore the mass of any electrons and...

Mass and Weight

Mass and Weight

Mass and weight are often used interchangeably in everyday conversation. For example, medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the...

Apparent Weight

Apparent Weight

True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...

Cable Subjected to Its Own Weight

Cable Subjected to Its Own Weight

Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...

Polymers: Defining Molecular Weight

Polymers: Defining Molecular Weight

Unlike small molecules with definite molecular weights, polymers are a mixture of individual polymer chains of varying lengths, each with a unique molecular weight. So, the molecular weight of a polymer is expressed as an average value based on the average size of the polymer chains. The two most common forms of averages used for polymers are the number average molecular weight and weight average molecular weight.
The number average molecular weight (Mn) is the summation of the number...

You might also read

Related Articles

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

Sort by

Same author

Visual Perception of 3D Shape: From Local 2D Image Measurements to 3D Surface Properties.

Annual review of vision science·2026

Same author

Visual cues and strategies for perceiving elasticity.

Proceedings. Biological sciences·2026

Same author

Human gloss perception reproduced by tiny neural networks.

Nature human behaviour·2026

Same author

No free lunch with the binding problem.

Trends in cognitive sciences·2026

Same author

Material fingerprinting: predicting human perception of material appearance through psychophysical analysis and neural networks.

Royal Society open science·2025

Same author

Gloss discrimination: Toward an image-based perceptual model.

Journal of vision·2025

Same journal

To appear in a new light: Varying illumination colors induce dynamic transformations of perceptual qualities in still images.

i-Perception·2026

Same journal

Pseudo-slimy: A novel phenomenon to evoke stickiness perception.

i-Perception·2026

Same journal

Predictive visual uncertainty around moving trajectories influences causality judgments in launching displays.

i-Perception·2026

Same journal

Light and shape in the work of Robert Fones.

i-Perception·2026

Same journal

Sensorimotor numerosity uniquely supports arithmetic development in children.

i-Perception·2026

Same journal

In praise of anaglyphs.

i-Perception·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Feb 6, 2026

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

The Sequential-Weight Illusion.

Guido Maiello¹, Vivian C Paulun¹, Lina K Klein¹

¹Department of Experimental Psychology, University of Giessen, Germany.

|August 10, 2018

Summary

This summary is machine-generated.

We found that the perceived weight of an object can change based on the weight of a previously held object. This weight illusion transfers between hands, independent of visual cues.

Keywords:

grasping haptics/touch material perception perception/action reaching/grasping sensorimotor memory visuo-haptic interactions weight perception

More Related Videos

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm

Published on: July 26, 2013

Microscale Vortex-assisted Electroporator for Sequential Molecular Delivery

Microscale Vortex-assisted Electroporator for Sequential Molecular Delivery

Published on: August 7, 2014

Related Experiment Videos

Last Updated: Feb 6, 2026

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm

The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm

Published on: July 26, 2013

Microscale Vortex-assisted Electroporator for Sequential Molecular Delivery

Microscale Vortex-assisted Electroporator for Sequential Molecular Delivery

Published on: August 7, 2014

Area of Science:

Neuroscience
Perception
Somatosensation

Background:

The perception of weight is a complex sensory experience influenced by multiple factors.
Previous research has explored visual and tactile cues in weight perception, but the role of sequential tactile information remains less understood.

Purpose of the Study:

To investigate a novel weight perception illusion.
To determine if the perceived weight of an object is influenced by the weight of a sequentially presented object.
To examine the influence of visual cues and cross-hand transfer on this illusion.

Main Methods:

Participants experienced a tactile illusion where the perceived weight of an object was altered based on prior object manipulation.
The study controlled for visual weight cues to isolate the tactile component of the illusion.
Cross-hand transfer of the illusion was assessed to understand its neural underpinnings.

Main Results:

A significant illusion was observed, where the felt weight of an object changed based on the weight of a previously held object.
The illusion's magnitude was not affected by visual weight information, indicating a strong reliance on somatosensory processing.
The weight illusion demonstrated robust transfer across contralateral hands, suggesting shared neural pathways.

Conclusions:

Sequential tactile information plays a crucial role in modulating perceived object weight.
This weight perception illusion is primarily driven by somatosensory adaptation or contrast, rather than visual input.
The cross-hand transfer indicates that the neural mechanisms underlying this illusion involve higher-level processing beyond primary sensory cortices.