Related Experiment Video
Updated: Jun 4, 2026
07:11
Functional Magnetic Resonance Imaging (fMRI) of the Visual Cortex with Wide-View Retinotopic Stimulation
Published on: December 8, 2023
Highly selective visual receptive fields in mouse frontal cortex
Anthony D Lien1, Bilal Haider1
1Dept of Biomedical Engineering, Georgia Institute of Technology & Emory University, Atlanta, GA, USA.
Biorxiv : the Preprint Server for Biology
|June 3, 2026
Summary
Researchers found that neurons in the mouse frontal cortex process visual spatial information, similar to the visual cortex. This feedforward processing extends directly into cognitive and motor regions.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Visual System Research
Background:
- Mammalian spatial information processing relies on feedforward activity and aligned receptive fields (RFs) across brain areas.
- It is unclear if this spatial processing framework extends to frontal cortex cognitive areas that control sensory regions.
Purpose of the Study:
- To investigate the presence and characteristics of visual spatial processing in the mouse frontal cortex.
- To determine the hierarchical connectivity and causal role of visual cortex in frontal cortex visual responses.
Main Methods:
- Surveyed neuronal activity in mouse frontal cortex (anterior cingulate and secondary motor areas).
- Recorded neuronal responses to visual stimuli and measured receptive field properties.
- Used optogenetic silencing of visual cortex to assess causal relationships.
Main Results:
- Discovered low-latency, highly localized visual receptive fields (RFs) in frontal cortex neurons.
- Responses were selective for light or dark stimuli, comparable in size and latency (~25 ms) to visual cortex.
- Visual space representation showed a central visual field bias but lacked a topographic retinotopic map.
- Optogenetic silencing of visual cortex abolished frontal cortex visual responses.
Conclusions:
- Feedforward hierarchical connectivity extends visual spatial processing directly into mouse frontal cortex.
- Frontal cortex neurons play a role in analyzing visual spatial information, challenging previous assumptions about its exclusivity to sensory areas.
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