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Related Experiment Video

Updated: May 20, 2026

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

Hemispheric Differences within the Fronto-Parietal Network Dynamics Underlying Spatial Imagery.

Alexander T Sack¹, Teresa Schuhmann

¹Faculty of Psychology and Neuroscience, Maastricht University Maastricht, Netherlands.

Frontiers in Psychology

|July 4, 2012

Summary

This summary is machine-generated.

Spatial imagery involves mental manipulation of visual images, engaging brain networks similar to real vision. Studies reveal hemispheric differences in these networks, suggesting lateralized processing for spatial tasks.

Keywords:

brain imaging imagery and frontal cortex imagery and parietal cortex imagery and premotor cortex object imagery spatial attention spatial imagery spatial working memory

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Area of Science:

Cognitive Neuroscience
Neuroimaging
Spatial Cognition

Background:

Spatial imagery, the mental manipulation of visual information, shares processing demands with real visual perception.
Neuroimaging studies show spatial imagery activates distributed cortical networks, including dorsal fronto-parietal and ventral occipito-temporal pathways.

Purpose of the Study:

To investigate hemispheric differences in brain networks during spatial imagery.
To explore functional lateralization and network connectivity within fronto-parietal regions during spatial tasks.

Main Methods:

Functional brain imaging techniques (e.g., fMRI).
Brain interference studies.
Analysis of network connectivity and information flow.

Main Results:

Systematic hemispheric differences were observed within dorsal fronto-parietal networks during spatial imagery.
Functional lateralization was evident in network connectivity, with information flow from frontal to parietal areas.
Evidence supports a dynamic network model of spatial imagery based on lateralized fronto-parietal subnetworks.

Conclusions:

Spatial imagery is a complex cognitive process involving distinct, lateralized mental subprocesses.
Hemispheric lateralization and fronto-parietal interactions are crucial for spatial imagery.
A dynamic network model integrating these aspects provides a framework for understanding spatial imagery.