Related Experiment Video

Updated: Sep 4, 2025

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain
08:23

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain

Published on: May 12, 2018

9.6K

Linking and unlinking the paediatric brain: age-invariant neural correlates of general anaesthesia

Michael P Puglia1, George A Mashour2

  • 1Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, MI, USA; Center for Consciousness Science, University of Michigan Medical School, Ann Arbor, MI, USA.

British Journal of Anaesthesia
|July 21, 2022
PubMed

Insights

A universal electroencephalographic metric for general anesthesia in children and adults remains elusive due to developmental changes. Understanding altered brain activity during anesthesia offers insights into consciousness and improved monitoring.

Area of Science:

  • Neuroscience
  • Anesthesiology
  • Computational Biology

Background:

  • Current electroencephalographic (EEG) metrics for general anesthesia lack universal validation across pediatric and adult populations.
  • Developmental changes in brain activity complicate the establishment of a single, age-independent anesthetic monitoring tool.

Discussion:

  • Altered patterns of correlated brain activity during general anesthesia provide a novel perspective on anesthetic effects.
  • Investigating these dynamic brain changes can elucidate the neurobiological underpinnings of consciousness and its suppression.

Key Insights:

  • Focusing on developmental trajectories of brain activity is crucial for advancing anesthetic monitoring.
  • Changes in brain signal complexity and connectivity during anesthesia offer potential biomarkers.

Outlook:

  • Future research should aim to develop age-specific or adaptable EEG metrics for precise anesthetic depth assessment.
  • This approach may lead to a deeper understanding of consciousness and the mechanisms of anesthetic action.

Keywords:
brain monitoringdelta bandwidthelectroencephalographyfunctional connectivitygraph theorypaediatric anaesthesia

More Related Videos

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers14:52

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers

Published on: January 13, 2018

11.1K
Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics08:16

Optogenetic Activation of Afferent Pathways in Brain Slices and Modulation of Responses by Volatile Anesthetics

Published on: July 23, 2020

2.3K

Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
280
Stages of General Anesthesia01:22

Stages of General Anesthesia

Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
655
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
191