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Related Concept Videos

Drawing Free-body Diagrams: Rules01:16

Drawing Free-body Diagrams: Rules

The first step in describing and analyzing most phenomena in physics involves the careful drawing of a free-body diagram. Free-body diagrams are useful in analyzing forces acting on an object or system, and are employed extensively in the study and application of Newton's laws of motion. The steps to draw a free-body diagram are listed below:
Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

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Three-Dimensional Force System:Problem Solving01:30

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Cartesian Form for Vector Formulation01:26

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Free Body Diagrams: Examples01:07

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Related Experiment Video

Updated: May 11, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

Manual experience shapes object representations.

Eiling Yee1, Evangelia G Chrysikou, Esther Hoffman

  • 1Basque Center on Cognition, Brain and Language, Donostia-San Sebastian, Spain. eiling.yee@gmail.com

Psychological Science
|May 2, 2013
PubMed
Summary
This summary is machine-generated.

Object meaning representation involves action. Manual tasks interfering with object manipulation hinder thinking about frequently used objects, demonstrating action

Keywords:
action conceptscognitioncognitive neuroscienceembodied cognitionindividual experiencelanguagemeaningsemantic memorysemantic representationssimulation

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Last Updated: May 11, 2026

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Published on: August 13, 2014

Area of Science:

  • Cognitive Neuroscience
  • Psychology of Perception
  • Embodied Cognition

Background:

  • The representation of object meaning is debated, particularly regarding the role of action-related brain activity.
  • It is known that thinking about manipulable objects activates action-related brain regions.
  • The question remains whether this activation is integral to object meaning or merely incidental.

Purpose of the Study:

  • To investigate whether action-based brain activity is a core component of object meaning representation.
  • To determine if manual interference affects the accessibility of object meaning based on manipulation frequency.

Main Methods:

  • Participants engaged in manual tasks with motions incompatible with frequently manipulated objects.
  • Interference effects on thinking about frequently versus infrequently manipulated objects were measured.
  • The correlation between manual experience and the degree of cognitive interference was analyzed.

Main Results:

  • Thinking about frequently manipulated objects became more difficult when hands were engaged in incompatible motions.
  • No significant difficulty was found for infrequently manipulated objects under the same conditions.
  • The extent of manual interference directly correlated with the amount of prior manual experience with the object.

Conclusions:

  • Brain activity related to manual action is an integral part of the representation of frequently manipulated objects.
  • Object meaning representation is not static but dynamically influenced by the congruence between mental representations and current actions.
  • This supports embodied cognition theories, where perception and action are deeply intertwined in cognitive processes.