Gilles Plourde, MSc., MD

Primary Axis: 
Neurosciences
Research Focus: 

My aim is to understand how general anesthetics cause unconsciousness. Although general anesthetics have been in use for more than 150 years, their mechanisms of action are not well understood. My approach thus far has been to conduct electrophysiological (EEG or sensory evoked potentials) or functional brain imaging (PET or fMRI) studies in human volunteers who undergo general anesthesia. An important element of this research is the use of drug administration methods that allow precise control of the concentration of the drug in arterial blood. Our lab also employs the use of animal models to compliment human neurophysiological studies by allowing more elaborate investigations.

Keywords: 
Anesthesia, EEG, Human, Animals, fMRI
Location: 
Montreal Neurological Institute and Hospital
Publications:
Plourde G, Garcia-Asensi A, Backman S, Deschamps A, Chartrand D, Fiset P, Picton TW. Attenuation of the 40-hertz auditory steady state response by propofol involves the cortical and subcortical generators. Anesthesiology 108:233-242; 2008.
Plourde G. General anaesthetic action: ubiquity, complexity and relevance for neuroscience. J Physiol 580:5; 2007.
Plourde G, Belin P, Chartrand D, Fiset P, Backman SB, Xie G, Zatorre RJ. Cortical processing of complex auditory stimuli during alterations of consciousness with the general anesthetic propofol Anesthesiology 104:448-457; 2006