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Related Concept Videos

Cognitivism01:17

Cognitivism

Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process information is...
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Concepts and Prototypes

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Lateralization

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Related Experiment Video

Updated: Jun 5, 2026

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Contextual Role Modulates Object Representational Geometry in the Human Brain.

Julien Dirani, Shankar Chawla, Leila Wehbe

    Arxiv
    |June 4, 2026
    PubMed
    Summary
    This summary is machine-generated.

    The brain dynamically remaps object representations based on context. Action-related objects activate parietal networks, while passive objects engage occipito-temporal networks, showing context-dependent neural organization.

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    Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

    Published on: November 30, 2018

    Area of Science:

    • Neuroscience
    • Cognitive Science
    • Psychology

    Background:

    • The human brain represents objects with both invariance and flexibility.
    • Understanding how object representations dynamically remap across contexts is crucial but not fully understood.

    Purpose of the Study:

    • To investigate how the brain represents the same object differently when it is a passive scene element versus a target of goal-directed actions.
    • To explore the neural mechanisms underlying dynamic remapping of object representations in naturalistic settings.

    Main Methods:

    • Utilized functional magnetic resonance imaging (fMRI) during naturalistic movie viewing.
    • Analyzed brain activity and representational geometry to compare object representations in different contexts.

    Main Results:

    • Action targets engaged a parietal action network, while passive objects recruited an occipito-temporal visual recognition network.
    • Object representations were organized by action affordances for targets and semantic dimensions for passive objects.
    • Visual representational structure remained invariant to context, while content outside context-specific networks also showed invariance.

    Conclusions:

    • Object representational geometries are neurally remapped based on their contextual relevance and role in a scene.
    • Flexibility and invariance in object representation operate at different levels within the brain's representational system.
    • These findings reveal context-dependent neural organization for object processing during naturalistic experiences.