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Scientist profiles A-F

SRI profiles

Agessandro Abrahao, MD, M.Sc., CSCN Diplomate (EMG)

Associate scientist

Sunnybrook Health Sciences Centre
2075 Bayview Ave., Room UG 26
Toronto, ON
M4N 3M5 

Administrative Assistant: Olive Grozelle
Phone: 416-480-4213
Fax: 416-480-6817


  • MD, 2007, Federal University of Rio de Janeiro, Brazil
  • Residency, neurology, 2011, Federal University of São Paulo, Brazil
  • Fellowship, 2012, general neurology and cerebellar ataxia, Federal University of São Paulo, Brazil
  • M.Sc., 2014, neuroscience, Federal University of São Paulo, Brazil
  • Board certification in electromyography, 2016, Canadian Society of Clinical Neurophysiologists, Canada
  • Fellowship, 2019, amyotrophic lateral sclerosis and neuromuscular diseases, Sunnybrook Health Sciences Centre and University of Toronto, Canada
  • Research fellowship, 2019, transcranial MR-guided focused ultrasound, Sunnybrook and U of T, Canada
  • M.Sc., 2019, clinical epidemiology and health care research, U of T, Canada

Appointments and Affiliations:

Research Foci:

  • MR-guided focused ultrasound for neurological diseases
  • Neurophysiological biomarkers
  • Amyotrophic lateral sclerosis and neuromuscular diseases

Research Summary:

Transcranial MR-guided focused ultrasound has been approved as a therapeutic alternative for treatment-resistant essential tremor. This noninvasive technique is being tested clinically as a drug delivery platform in amyotrophic lateral sclerosis (ALS), Alzheimer’s disease, Parkinson’s disease and brain tumours, by safely and temporarily opening the blood-brain barrier in targeted brain regions. ​

In collaboration with the Centre of Excellence in Focused Ultrasound at Sunnybrook, Dr. Abrahao’s research aims to expand the clinical testing of MR-guided focused ultrasound to treat neurological diseases.

Dr. Abrahao’s research interests also include clinical trials and epidemiological studies of ALS and other neurodegenerative diseases. He is also interested in the development of biomarkers for motor neuron function using transcranial magnetic stimulation and motor unit count techniques.

Selected Publications:

See current publications list at PubMed.

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