Related Experiment Video
Updated: Feb 22, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
Visuo-spatial orienting during active exploratory behavior: Processing of task-related and stimulus-related signals
Emiliano Macaluso1, Akitoshi Ogawa2
1ImpAct Team, Lyon Neuroscience Research Center (UCBL1, INSERM 1028, CNRS 5292), Lyon, France; Neuroimaging Laboratory, Fondazione Santa Lucia, Rome, Italy.
This study explored how the brain processes visual attention signals in complex virtual environments. Findings reveal distinct brain regions, like the posterior parietal cortex, involved in responding to salient stimuli and task-relevant information during active exploration.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Visual Attention
Background:
- Visuo-spatial attention control is linked to fronto-parietal regions.
- Previous research often used simplified stimuli, questioning real-world applicability.
- Understanding attention in complex, dynamic environments is crucial.
Purpose of the Study:
- To investigate brain responses to task-related and stimulus-related signals.
- To explore visuo-spatial orienting in ecologically relevant conditions.
- To examine attention mechanisms during active behavior in virtual reality.
Main Methods:
- Utilized functional imaging combined with active virtual environment exploration.
- Implemented a feature-conjunction search task with dynamic visual stimuli.
- Tracked gaze orienting towards salient objects and target stimuli.
Main Results:
- Posterior parietal cortex (PPC) activation correlated with gaze directed at salient objects.
- Right inferior parietal cortex processed target and distractor objects based on shared features.
- Differential activation patterns reflected stimulus-driven vs. goal-directed attention.
Conclusions:
- Active exploration in virtual environments offers ecologically valid insights into attention.
- Gaze orienting and functional imaging can disentangle signal processing during complex behavior.
- The study differentiates neural correlates of stimulus salience and goal-directed search.
More Related Videos
Related Concept Videos
Association Areas of the Cortex
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,...
Sensory Perception: Organization of the Somatosensory System
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
Depth Perception and Spatial Vision

