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Related Experiment Video

Updated: May 19, 2026

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex

Published on: September 5, 2018

A UNIFORM CODING STRUCTURE IN THE NEOCORTEX.

Mohamed Badawy¹, Alon Amir¹, Mohammad M Herzallah¹

¹Center for Molecular and Behavioral Neuroscience, Rutgers University, Newark, NJ 07102.

Biorxiv : the Preprint Server for Biology

|May 18, 2026

Summary

Prefrontal neurons exhibit a highly structured way of encoding multiple task variables, challenging previous assumptions of random neural representations. This organized coding is found across various tasks and brain regions.

Keywords:

Cortical UMAP active avoidance defensive behaviors freezing parietal prefrontal representation sensory discrimination somatosensory visual

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Last Updated: May 19, 2026

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Published on: September 5, 2018

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Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging

Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging

Published on: December 12, 2012

Area of Science:

Neuroscience
Computational Neuroscience

Background:

Previous studies suggested random feature combinations in individual neuron encoding.
Population-level analysis revealed groupings of task features, but individual neuron coding remained unclear.

Purpose of the Study:

To investigate the structure of information representation in individual prefrontal neurons.
To determine if neural coding of multiple task variables is random or structured.

Main Methods:

Unit recordings using Neuropixel probes in behaving rats.
Analysis of neural activity across different behavioral tasks.

Main Results:

Prefrontal neurons exhibit a highly structured, multidimensional coding space with orthogonal gradients.
Absolute firing rate modulations are correlated across variables, but not the polarity.
This structured coding is observed in tasks involving defensive behaviors and sensory discrimination.

Conclusions:

Neural representation of information is not random but highly structured.
This structured coding is a general principle across different tasks and neocortical areas, including sensory and associative regions.