Cortical synaptic basis of consciousness

Author:

Zhuo Min123ORCID

Affiliation:

1. Department of Pharmacology Qingdao University School of Pharmacy Qingdao China

2. Department of Neurology First Affiliated Hospital of Guangzhou Medical University Guangzhou China

3. Department of Physiology, Faculty of Medicine University of Toronto Toronto Ontario Canada

Abstract

AbstractConsciousness is one of final questions for humans to tackle in neuroscience. Due to a lack of understanding of basic brain networks and mechanisms of functions, our knowledge of consciousness mainly stays at a theoretical level. Recent studies using brain imaging in humans and modern neuroscience techniques in animal studies reveal the basic brain network for consciousness. The projection from the thalamus to different cortical regions forms a network of activities to maintain consciousness in humans and animals. These feedback and feedforward circuits maintain consciousness even in certain brain injury conditions. Pterions and ion channels that contribute to these circuit neural activities are targets for drugs and manipulations that affect consciousness such as anesthetic agents. Synaptic plasticity that trains synapses during learning and information recall modified the circuits and contributes to a high level of consciousness in a certain population.

Publisher

Wiley

Subject

General Neuroscience

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