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

Lateralization

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.

Visual Agnosia

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...

Association Areas of the Cortex

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

You might also read

Related Articles

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

Sort by

Same author

Results from the T2K Experiment on Neutrino Mixing Including a New Far Detector μ-like Sample.

Physical review letters·2026

Same author

First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering.

Physical review letters·2025

Same author

First Measurement of the Electron-Neutrino Charged-Current Pion Production Cross Section on Carbon with the T2K Near Detector.

Physical review letters·2025

Same author

First Joint Oscillation Analysis of Super-Kamiokande Atmospheric and T2K Accelerator Neutrino Data.

Physical review letters·2025

Same author

Measurements of neutrino oscillation parameters from the T2K experiment using <math><mrow><mn>3.6</mn><mo>×</mo><msup><mn>10</mn><mn>21</mn></msup></mrow></math> protons on target.

The European physical journal. C, Particles and fields·2023

Same author

Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC.

The European physical journal. C, Particles and fields·2022

Search research articles

Related Experiment Video

Updated: Jul 16, 2026

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Published on: March 10, 2021

Selective visual dimension weighting deficit after left lateral frontopolar lesions.

S Pollmann¹, K Mahn, B Reimann

¹University of Magdeburg, Germany. stefan.pollmann@nat.uni-magdeburg.de

Journal of Cognitive Neuroscience

|March 6, 2007

Summary

The left lateral frontopolar cortex aids attention shifts in visual search. Damage to this area selectively slows target detection when search dimensions change, impacting attention allocation.

More Related Videos

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

Related Experiment Videos

Last Updated: Jul 16, 2026

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection

Published on: March 10, 2021

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

Area of Science:

Neuroscience
Cognitive Psychology
Neuroimaging

Background:

Previous fMRI studies link the left lateral frontopolar cortex (LFP) to dimension change-related activation during visual search.
The precise role of LFP in attentional control, particularly during dimension shifts, remains to be fully elucidated.

Purpose of the Study:

To test the hypothesis that the LFP actively supports attentional shifts from a previously relevant to a new target-defining dimension in visual singleton feature search.
To investigate the necessity of LFP for successful change detection in tasks requiring flexible attention allocation.

Main Methods:

A lesion study comparing patients with left LFP lesions to those with frontomedian lesions and healthy controls.
Assessed singleton detection performance, focusing on reaction times when the target-defining dimension changed.

Main Results:

Singleton detection was significantly slowed in patients with left LFP lesions specifically when the target-defining dimension changed.
Patients with frontomedian lesions and healthy controls did not exhibit this selective slowing, indicating a specific role for LFP.

Conclusions:

The left lateral frontopolar cortex plays a crucial role in change detection and reallocating attention between dimensions during visual search.
LFP involvement is particularly important when task demands do not clearly define the optimal allocation of dimension-based attention.