Sofia Chavez

Sofia Chavez

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Sofia Chavez

Sofia Chavez

Publications by authors named "Sofia Chavez"

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Differential levels of prefrontal cortex glutamate+glutamine in adults with antisocial personality disorder and bipolar disorder: A proton magnetic resonance spectroscopy study.

Prog Neuropsychopharmacol Biol Psychiatry 2019 07 5;93:250-255. Epub 2019 Apr 5.

Research Imaging Centre, Campbell Family Mental Health Research Institute, and Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada; Violence Prevention Neurobiological Research Unit, Forensic Psychiatry, CAMH, Toronto, ON, Canada; Faculty of Medicine, Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Faculty of Arts and Science, Department of Criminology and Sociological Studies, University of Toronto, Toronto, ON, Canada; Waypoint Centre for Mental Health Care, Penetanguishene, ON, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.pnpbp.2019.04.002DOI Listing
July 2019

Glutamatergic Neurometabolite Levels in Patients With Ultra-Treatment-Resistant Schizophrenia: A Cross-Sectional 3T Proton Magnetic Resonance Spectroscopy Study.

Biol Psychiatry 2019 04 26;85(7):596-605. Epub 2018 Sep 26.

Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Geriatric Mental Health Division, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Campbell Institute Research Program, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada; Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00063223183185
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http://dx.doi.org/10.1016/j.biopsych.2018.09.009DOI Listing
April 2019

A longitudinal human phantom reliability study of multi-center T1-weighted, DTI, and resting state fMRI data.

Psychiatry Res Neuroimaging 2018 12 9;282:134-142. Epub 2018 Jun 9.

Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, 250 College St., Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.pscychresns.2018.06.004DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6482446PMC
December 2018

Resting-State Connectivity Biomarkers of Cognitive Performance and Social Function in Individuals With Schizophrenia Spectrum Disorder and Healthy Control Subjects.

Biol Psychiatry 2018 11 13;84(9):665-674. Epub 2018 Apr 13.

Kimel Family Translational Imaging-Genetics Research Lab, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario; Department of Psychiatry, University of Toronto, Toronto, Ontario. Electronic address:

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http://dx.doi.org/10.1016/j.biopsych.2018.03.013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6177285PMC
November 2018

Hippocampal glutamate metabolites and glial activation in clinical high risk and first episode psychosis.

Neuropsychopharmacology 2018 10 28;43(11):2249-2255. Epub 2018 Jul 28.

Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, ON, Canada.

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http://dx.doi.org/10.1038/s41386-018-0163-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6135774PMC
October 2018

Manual segmentation of the fornix, fimbria, and alveus on high-resolution 3T MRI: Application via fully-automated mapping of the human memory circuit white and grey matter in healthy and pathological aging.

Neuroimage 2018 04 18;170:132-150. Epub 2016 Oct 18.

Computational Brain Anatomy Laboratory, Cerebral Imaging Centre, Douglas Mental Health University Institute, Montreal, Canada; Integrated Program in Neuroscience, McGill University, Montreal, Canada; Department of Psychiatry, McGill University, Montreal, Canada; Department of Biological and Biomedical Engineering, McGill University, Montreal, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.neuroimage.2016.10.027DOI Listing
April 2018

Striatal neurometabolite levels in patients with schizophrenia undergoing long-term antipsychotic treatment: A proton magnetic resonance spectroscopy and reliability study.

Psychiatry Res Neuroimaging 2018 03 31;273:16-24. Epub 2018 Jan 31.

Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada; Geriatric Mental Health Division, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Campbell Institute Research Program, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/j.pscychresns.2018.01.004DOI Listing
March 2018

The origins of breast cancer associated with mammographic density: a testable biological hypothesis.

Breast Cancer Res 2018 03 7;20(1):17. Epub 2018 Mar 7.

Genetics and Genome Biology, Hospital for Sick Children Research Institute, Toronto, ON, Canada.

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http://dx.doi.org/10.1186/s13058-018-0941-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5842598PMC
March 2018

A novel DTI-QA tool: Automated metric extraction exploiting the sphericity of an agar filled phantom.

Magn Reson Imaging 2018 02 17;46:28-39. Epub 2017 Oct 17.

Centre for Addiction and Mental Health, Toronto, Canada; Department of Psychiatry, University of Toronto, Toronto, Canada; Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Toronto, Canada.

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http://dx.doi.org/10.1016/j.mri.2017.07.027DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5800507PMC
February 2018

Reduced insulin sensitivity may be related to less striatal glutamate: An H-MRS study in healthy non-obese humans.

Eur Neuropsychopharmacol 2018 02;28(2):285-296

Research Imaging Centre, Centre for Addiction and Mental Health, 250 College Street, Toronto, Ontario, Canada M5T 1R8; Department of Psychiatry, University of Toronto, 250 College Street, Toronto, Ontario, Canada M5T 1R8; Institute of Medical Science, University of Toronto, 2374 Medical Sciences Building, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8. Electronic address:

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http://dx.doi.org/10.1016/j.euroneuro.2017.12.002DOI Listing
February 2018

Gray Matter Neuritic Microstructure Deficits in Schizophrenia and Bipolar Disorder.

Biol Psychiatry 2017 Nov 8;82(10):726-736. Epub 2016 Dec 8.

Kimel Family Translational Imaging-Genetics Laboratory, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Research Imaging Centre, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada; Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.biopsych.2016.12.005DOI Listing
November 2017

Chemical exchange saturation transfer for predicting response to stereotactic radiosurgery in human brain metastasis.

Magn Reson Med 2017 09 30;78(3):1110-1120. Epub 2016 Sep 30.

Physical Sciences, Sunnybrook Research Institute, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1002/mrm.26470DOI Listing
September 2017

Water Exchange Rate Constant as a Biomarker of Treatment Efficacy in Patients With Brain Metastases Undergoing Stereotactic Radiosurgery.

Int J Radiat Oncol Biol Phys 2017 05 10;98(1):47-55. Epub 2017 Jan 10.

Medical Biophysics, University of Toronto, Toronto, Ontario, Canada; Physical Sciences, Sunnybrook Research Institute, Toronto, Ontario, Canada; Neurosurgery and Pediatric Neurosurgery, Medical University, Lublin, Poland.

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http://dx.doi.org/10.1016/j.ijrobp.2017.01.016DOI Listing
May 2017

Elevated Myo-Inositol, Choline, and Glutamate Levels in the Associative Striatum of Antipsychotic-Naive Patients With First-Episode Psychosis: A Proton Magnetic Resonance Spectroscopy Study With Implications for Glial Dysfunction.

Schizophr Bull 2016 Mar 28;42(2):415-24. Epub 2015 Aug 28.

Multimodal Imaging Group, Research Imaging Centre, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada; Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada; Geriatric Mental Health Division, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada; Campbell Institute Research Program, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1093/schbul/sbv118DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4753594PMC
March 2016

High-resolution In Vivo Manual Segmentation Protocol for Human Hippocampal Subfields Using 3T Magnetic Resonance Imaging.

J Vis Exp 2015 Nov 10(105):e51861. Epub 2015 Nov 10.

Institute of Biomaterials and Biomedical Engineering, University of Toronto; Computational Brain Anatomy Laboratory, Douglas Institute, McGill University.

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http://dx.doi.org/10.3791/51861DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4692694PMC
November 2015

Comparing average breast fat content results from two different protocols at 1.5T and 3T: can the data be pooled?

J Magn Reson Imaging 2014 Oct 25;40(4):890-8. Epub 2013 Nov 25.

Centre for Addiction and Mental Health, Research Imaging Centre, Toronto, ON, Canada; University of Toronto, Psychiatry, Toronto, ON, Canada.

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http://dx.doi.org/10.1002/jmri.24452DOI Listing
October 2014

Derivation of high-resolution MRI atlases of the human cerebellum at 3T and segmentation using multiple automatically generated templates.

Neuroimage 2014 Jul 21;95:217-31. Epub 2014 Mar 21.

Kimel Family Translational Imaging Genetics Research Laboratory, Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Canada; Department of Psychiatry, University of Toronto, Toronto, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S10538119140018
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http://dx.doi.org/10.1016/j.neuroimage.2014.03.037DOI Listing
July 2014

A novel in vivo atlas of human hippocampal subfields using high-resolution 3 T magnetic resonance imaging.

Neuroimage 2013 Jul 13;74:254-65. Epub 2013 Feb 13.

Kimel Family Translational Imaging Genetics Research Laboratory, Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, Canada.

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http://search.proquest.com/openview/641ee8e0526967da30beaa41
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http://linkinghub.elsevier.com/retrieve/pii/S105381191300123
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http://dx.doi.org/10.1016/j.neuroimage.2013.02.003DOI Listing
July 2013

Mapping human brain fatty acid amide hydrolase activity with PET.

J Cereb Blood Flow Metab 2013 Mar 5;33(3):407-14. Epub 2012 Dec 5.

Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.

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http://journals.sagepub.com/doi/10.1038/jcbfm.2012.180
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http://dx.doi.org/10.1038/jcbfm.2012.180DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3587811PMC
March 2013

A novel method for simultaneous 3D B(1) and T(1) mapping: the method of slopes (MoS).

NMR Biomed 2012 Sep 26;25(9):1043-55. Epub 2012 Feb 26.

Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, ON, Canada.

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http://dx.doi.org/10.1002/nbm.2769DOI Listing
September 2012

Understanding phase maps in MRI: a new cutline phase unwrapping method.

IEEE Trans Med Imaging 2002 Aug;21(8):966-77

Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T IZI, Canada.

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http://ieeexplore.ieee.org/document/1076041/
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http://dx.doi.org/10.1109/TMI.2002.803106DOI Listing
August 2002