Search Results - "MacEwan, G."

Methamphetamine use: A comprehensive review of molecular, preclinical and clinical findings by Panenka, William J, Procyshyn, Ric M, Lecomte, Tania, MacEwan, G. William, Flynn, Sean W, Honer, William G, Barr, Alasdair M

“…Abstract Methamphetamine (MA) is a highly addictive psychostimulant drug that principally affects the monoamine neurotransmitter systems of the brain and…”
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Associations of substance use, psychosis, and mortality among people living in precarious housing or homelessness: A longitudinal, community-based study in Vancouver, Canada by Jones, Andrea A, Gicas, Kristina M, Seyedin, Sam, Willi, Taylor S, Leonova, Olga, Vila-Rodriguez, Fidel, Procyshyn, Ric M, Smith, Geoffrey N, Schmitt, Toby A, Vertinsky, A. Talia, Buchanan, Tari, Rauscher, Alex, Lang, Donna J, MacEwan, G. William, Lima, Viviane D, Montaner, Julio S. G, Panenka, William J, Barr, Alasdair M, Thornton, Allen E, Honer, William G

“…Background The "trimorbidity" of substance use disorder and mental and physical illness is associated with living in precarious housing or homelessness. The…”
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Dynamic networks of psychotic symptoms in adults living in precarious housing or homelessness by Jones, Andrea A, Gicas, Kristina M, Mostafavi, Sara, Woodward, Melissa L, Leonova, Olga, Vila-Rodriguez, Fidel, Procyshyn, Ric M, Cheng, Alex, Buchanan, Tari, Lang, Donna J, MacEwan, G William, Panenka, William J, Barr, Alasdair M, Thornton, Allen E, Honer, William G

“…People living in precarious housing or homelessness have higher than expected rates of psychotic disorders, persistent psychotic symptoms, and premature…”
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Cerebral Small Vessel Disease, Risk Factors, and Cognition in Tenants of Precarious Housing by Zhou, Lily W., Panenka, William J., Al-Momen, Ghadeer, Gicas, Kristina M., Thornton, Allen E., Jones, Andrea A., Woodward, Melissa, Heran, Manraj K.S., Vertinsky, A. Talia, Su, Wayne, Barr, Alasdair M., MacEwan, G. William, Lang, Donna J., Rauscher, Alexander, Honer, William G., Field, Thalia S.

“…BACKGROUND AND PURPOSE:We aim to describe the burden, characteristics, and cognitive associations of cerebral small vessel disease in a Canadian sample living…”
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Predictors and profiles of treatment non-adherence and engagement in services problems in early psychosis by Lecomte, Tania, Spidel, Alicia, Leclerc, Claude, MacEwan, G. William, Greaves, Caroline, Bentall, Richard P

“…Abstract Treatment adherence in early psychosis individuals is considered problematic. Some studies have tried to understand reasons for medication…”
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Cognitive profiles and associated structural brain networks in a multimorbid sample of marginalized adults by Gicas, Kristina M, Jones, Andrea A, Panenka, William J, Giesbrecht, Chantelle, Lang, Donna J, Vila-Rodriguez, Fidel, Leonova, Olga, Barr, Alasdair M, Procyshyn, Ric M, Su, Wayne, Rauscher, Alexander, Vertinsky, A Talia, Buchanan, Tari, MacEwan, G William, Thornton, Allen E, Honer, William G

“…Cognition is impaired in homeless and vulnerably housed persons. Within this heterogeneous and multimorbid group, distinct profiles of cognitive dysfunction…”
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The need for speed : an update on methamphetamine addiction by BARR, Alasdair M, PANENKA, William J, MACEWAN, G. William, THORNTON, Allen E, LANG, Donna J, HONER, William G, LECOMTE, Tania

“…The psychostimulant methamphetamine (MA) is a highly addictive drug that has surged in popularity over the last decade in North America. A burgeoning number of…”
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Characterizing Traumatic Brain Injury and Its Association with Losing Stable Housing in a Community-based Sample by Stubbs, Jacob L., Thornton, Allen E., Gicas, Kristina M., O’Connor, Tiffany A., Livingston, Emily M., Lu, Henri Y., Mehta, Amiti K., Lang, Donna J., Vertinsky, Alexandra T., Field, Thalia S., Heran, Manraj K., Leonova, Olga, Sahota, Charanveer S., Buchanan, Tari, Barr, Alasdair M., MacEwan, G. William, Rauscher, Alexander, Honer, William G., Panenka, William J.

“…Objective: Traumatic brain injury (TBI) is increasingly recognized as a common and impactful health determinant in homeless and precariously housed…”
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A comparison of psychotic symptoms in subjects with methamphetamine versus cocaine dependence by Alexander, Peter D, Gicas, Kristina M, Willi, Taylor S, Kim, Clara N, Boyeva, Veronika, Procyshyn, Ric M, Smith, Geoff N., Thornton, Allen E, Panenka, William J, Jones, Andrea A., Vila-Rodriguez, Fidel, Lang, Donna J., William MacEwan, G, Honer, William G, Barr, Alasdair M

“…Rationale The psychostimulant drugs cocaine and methamphetamine are potent indirect dopamine receptor agonists which act through similar but not identical…”
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Rasch analysis of the beck depression inventory in a homeless and precariously housed sample by Cho, Lianne L., Jones, Andrea A., Gao, Chloe, Leonova, Olga, Vila-Rodriguez, Fidel, Buchanan, Tari, Lang, Donna J., MacEwan, G. William, Procyshyn, Ric M., Panenka, William J., Barr, Alasdair M., Thornton, Allen E., Gicas, Kristina M., Honer, William G., Barbic, Skye P.

“…•The BDI satisfies Rasch model expectations after the removal of Item 19 (Weight Loss).•Cognitive and somatic symptoms represent a milder depressive condition,…”
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Effects of eight weeks of atypical antipsychotic treatment on middle frontal thickness in drug-naïve first-episode psychosis patients by Goghari, Vina M, Smith, Geoffrey N, Honer, William G, Kopala, Lili C, Thornton, Allen E, Su, Wayne, MacEwan, G. William, Lang, Donna J

“…Abstract Atypical antipsychotic medications generally maintain or increase gray matter amount and functioning. First-episode psychosis patients have lower gray…”
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The Positive and Negative Syndrome Scale (PANSS): A Three-Factor Model of Psychopathology in Marginally Housed Persons with Substance Dependence and Psychiatric Illness by Giesbrecht, Chantelle J, O'Rourke, Norm, Leonova, Olga, Strehlau, Verena, Paquet, Karine, Vila-Rodriguez, Fidel, Panenka, William J, MacEwan, G William, Smith, Geoffrey N, Thornton, Allen E, Honer, William G

“…Rates of psychopathology are elevated in marginalized and unstably housed persons, underscoring the need for applicable clinical measures for these…”
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Pain, opioid use, depressive symptoms, and mortality in adults living in precarious housing or homelessness: a longitudinal prospective study by Jones, Andrea A., Cho, Lianne L., Kim, David D., Barbic, Skye P., Leonova, Olga, Byford, Alexandra, Buchanan, Tari, Vila-Rodriguez, Fidel, Procyshyn, Ric M., Lang, Donna J., Vertinsky, A. Talia, MacEwan, G. William, Rauscher, Alexander, Panenka, William J., Thornton, Allen E., Barr, Alasdair M., Field, Thalia S., Honer, William G.

“…Pain and related consequences could contribute to comorbid illness and premature mortality in homeless and precariously housed persons. We analyzed…”
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Movement disorders associated with substance use in adults living in precarious housing or homelessness by Kim, David D., Procyshyn, Ric M., Jones, Andrea A., Lee, Lik Hang N., Panenka, William J., Stubbs, Jacob L., Cho, Lianne L., Leonova, Olga, Gicas, Kristina M., Thornton, Allen E., Lang, Donna J., MacEwan, G. William, Honer, William G., Barr, Alasdair M.

“…Many individuals living in precarious housing or homelessness have multimorbid illnesses, including substance use, psychiatric, and neurological disorders…”
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Multilayer depressive symptom networks in adults with bodily pain living in precarious housing or homelessness by Jones, Andrea A., Cho, Lianne L., Gicas, Kristina M., Procyshyn, Ric M., Vila-Rodriguez, Fidel, Stubbs, Jacob L., Leonova, Olga, Buchanan, Tari, Thornton, Allen E., Lang, Donna J., MacEwan, G. William, Panenka, William J., Barr, Alasdair M., Field, Thalia S., Honer, William G.

“…Housing insecurity is associated with co-occurring depression and pain interfering with daily activities. Network analysis of depressive symptoms along with…”
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Differential sensitivity of intraindividual variability dispersion and global cognition in the prediction of functional outcomes and mortality in precariously housed and homeless adults by Blumberg, Michelle J, Petersson, Anna M, Jones, Paul W, Jones, Andrea A, Panenka, William J, Leonova, Olga, Vila-Rodriguez, Fidel, Lang, Donna J, Barr, Alasdair M, MacEwan, G William, Buchanan, Tari, Honer, William G, Gicas, Kristina M

“…To examine cognitive intraindividual variability (IIV) dispersion as a predictor of everyday functioning and mortality in persons who are homeless or…”
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The Assessment of Symptom Severity and Functional Impairment With DSM-IV Axis V by Smith, Geoffrey Norman, Ehmann, Thomas S, Flynn, Sean W, MacEwan, G. William, Tee, Karen, Kopala, Lili C, Thornton, Allen E, Schenk, Christian H, Honer, William G

“…Objective:The Global Assessment of Functioning scale (GAF) is included as axis V in the DSM-IV multiaxial diagnostic system. The GAF is simple to administer…”
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The Hotel Study: Multimorbidity in a Community Sample Living in Marginal Housing by Vila-Rodriguez, Fidel, Panenka, William J., Lang, Donna J., Thornton, Allen E., Vertinsky, Talia, Wong, Hubert, Barr, Alasdair M., Procyshyn, Ric M., Sidhu, J.J., Smith, Geoffrey N., Buchanan, T., Krajden, Mel, Krausz, Michael, Montaner, Julio S., MacEwan, G. William, Honer, William G.

“…The health of a prospective community sample (N=293) of adults living in single-room occupancy hotels was assessed over nearly 2 years. Mortality was high,…”
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A Randomized, Double-Blind, Placebo-Controlled Study of the Safety and Tolerability of High-Dose Quetiapine in Patients With Persistent Symptoms of Schizophrenia or Schizoaffective Disorder by HONER, William G, WILLIAM MACEWAN, G, GENDRON, Alain, STIP, Emmanuel, LABELLE, Alain, WILLIAMS, Richard, ERIKSSON, Hans

“…Quetiapine is often prescribed at higher than approved doses. We investigated the safety, tolerability, and efficacy of quetiapine > 800 mg/d. A trial was…”
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Using serial position effects to investigate memory dysfunction in homeless and precariously housed persons by Gicas, Kristina M., Benitah, Katie, Thornton, Allen E., Petersson, Anna M., Jones, Paul W., Stubbs, Jacob L., Jones, Andrea A., Panenka, William J., Lang, Donna J., Leonova, Olga, Vila-Rodriguez, Fidel, Barr, Alasdair M., Buchanan, Tari, Su, Wayne, Vertinsky, Alexandra T., Rauscher, Alexander, MacEwan, G. William, Honer, William G.

“…Background: Homeless and precariously housed persons exhibit significant memory impairment, but the component processes underlying memory dysfunction have not…”
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