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Prefrontal cortical minicolumn: from executive control to disrupted cognitive processing
Ioan Opris1, Manuel F Casanova2
11 Department of Physiology and Pharmacology, Wake Forest University Health Sciences, Winston-Salem, NC, USA ioopris@wfubmc.edu.
Brain : a Journal of Neurology
|February 18, 2014
Summary
Prefrontal cortex minicolumns are key to executive functions. Modulating these microcircuits, particularly interlaminar interactions, can enhance cognitive performance and offers potential for treating brain disorders.
Area of Science:
- Neuroscience
- Cognitive Science
- Neurology
Background:
- The prefrontal cortex exhibits modular architecture with minicolumns crucial for executive functions.
- Prefrontal cortical microcircuits integrate environmental information for perception-action cycles.
- Disruptions in these microcircuits are linked to neurological and psychiatric disorders.
Purpose of the Study:
- To review structural, functional, and pathological aspects of prefrontal cortical minicolumns.
- To explore the role of interlaminar microcircuits in cognitive performance.
- To highlight the potential of neural prosthetics for related disorders.
Main Methods:
- Review of recent technological advancements in understanding cortical microcircuits.
- Analysis of studies on microstimulation techniques.
- Examination of anatomical, physiological, and pathological data.
Main Results:
- Microstimulation of infragranular layers with supragranular patterns increased cognitive performance.
- Interlaminar prefrontal cortical microcircuits play a causal role in cognitive enhancement.
- Progress in understanding microcircuits fuels interest in neural prosthetics.
Conclusions:
- Prefrontal cortical microcircuits are fundamental to executive abilities.
- Targeting interlaminar interactions offers therapeutic potential for cognitive disorders.
- Advancements in neuroscience provide new avenues for treating neurological and psychiatric conditions.
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