Research Topics
Genomes and GenesSpecies | Gwenn S SmithSummaryAffiliation: Centre for Addiction and Mental Health Country: Canada Publications
Research Grants
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Detail Information
Publications
Cerebral glucose metabolic response to combined total sleep deprivation and antidepressant treatment in geriatric depression: a randomized, placebo-controlled studyGwenn S Smith
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, NY, USA
Psychiatry Res 171:1-9. 2009....
Translational research in late-life mood disorders: implications for future intervention and prevention researchGwenn S Smith
PET Centre, Centre for Addiction and Mental Health, Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
Neuropsychopharmacology 32:1857-75. 2007..Geriatric depression could serve as a model for translational research integrating basic and clinical neuroscience approaches that would have implications for the study of other neuropsychiatric disorders...
Selective serotonin reuptake inhibitor (SSRI) modulation of striatal dopamine measured with [11C]-raclopride and positron emission tomographyGwenn S Smith
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, Glen Oaks, New York 11004, USA
Synapse 63:1-6. 2009....
Distinct functional networks associated with improvement of affective symptoms and cognitive function during citalopram treatment in geriatric depressionAndreea Oliviana Diaconescu
Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
Hum Brain Mapp 32:1677-91. 2011..Thus, alterations in specific brain networks associated with improvement of affective symptoms and cognitive function are observed during citalopram treatment in geriatric depression...
Serotonin modulation of cerebral glucose metabolism in depressed older adultsGwenn S Smith
Department of Psychiatry Research, The Zucker Hillside Hospital, Glen Oaks, New York, USA
Biol Psychiatry 66:259-66. 2009..The hypothesis was tested that smaller decreases in metabolism would be observed in cortical and limbic regions in depressed older adults relative to control subjects...
Cholinergic modulation of the cerebral metabolic response to citalopram in Alzheimer's diseaseGwenn S Smith
Department of Psychiatry Research, The Zucker Hillside Hospital, Glen Oaks, NY 11004, USA
Brain 132:392-401. 2009..The combined cerebral metabolic effects of galantamine and citalopram suggest, consistent with preclinical data, a synergistic interaction of cholinergic and serotonergic systems...
Effects of serotonin transporter promoter polymorphisms on serotonin functionGwenn S Smith
Department of Psychiatry, The Zucker Hillside Hospital, Glen Oaks, NY 11004, USA
Neuropsychopharmacology 29:2226-34. 2004....
Serotonin modulation of cerebral glucose metabolism in normal agingSara Goldberg
Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore-Long Island Jewish Health System, 75-59 263rd Street, Glen Oaks, NY 11004, USA
Neurobiol Aging 25:167-74. 2004..These results suggest different compensatory processes in anterior compared to posterior brain regions secondary to the age-related loss of serotonin innervation...
Acute and chronic effects of citalopram on cerebral glucose metabolism in geriatric depressionGwenn S Smith
Department of Psychiatry Research, Hillside Hospital and the Neuroscience Institute of the North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Am J Geriatr Psychiatry 10:715-23. 2002....
Glucose metabolic response to total sleep deprivation, recovery sleep, and acute antidepressant treatment as functional neuroanatomic correlates of treatment outcome in geriatric depressionGwenn S Smith
Department of Psychiatry Research, Hillside Hospital of the North Shore Long Island Jewish Health System, 75 59 263rd Street, Glen Oaks, NY 11004, USA
Am J Geriatr Psychiatry 10:561-7. 2002....
The functional neuroanatomy of geriatric depressionGwenn S Smith
Department of Psychiatry Research, The Zucker Hillside Hospital, Glen Oaks, New York, USA
Int J Geriatr Psychiatry 24:798-808. 2009....
Cerebral glucose metabolism and D2/D3 receptor availability in young adults with cannabis dependence measured with positron emission tomographySerge Sevy
The Zucker Hillside Hospital, North Shore Long Island Jewish Health System, NY 11004, USA
Psychopharmacology (Berl) 197:549-56. 2008....
A phase I trial of deep brain stimulation of memory circuits in Alzheimer's diseaseAdrian W Laxton
Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
Ann Neurol 68:521-34. 2010..We hypothesized that fornix/hypothalamus deep brain stimulation (DBS) could modulate neurophysiological activity in these pathological circuits and possibly produce clinical benefits...
Neuroendocrine response to intravenous citalopram in healthy control subjects: pharmacokinetic influencesFrancis E Lotrich
Department of Psychiatry, Western Psychiatric Institute and Clinic, Pittsburgh, PA, USA
Psychopharmacology (Berl) 178:268-75. 2005..The neuroendocrine response to intravenous citalopram may provide an acute, functional, in vivo measure of the neural serotonin (5-HT) system...
Serotonin modulation of cerebral glucose metabolism measured with positron emission tomography (PET) in human subjectsGwenn S Smith
Department of Psychiatry Research, Hillside Hospital, Neuroscience Institute of the North Shore Long Island Jewish Health System, Glen Oaks, New York 11004, USA
Synapse 45:105-12. 2002..Future studies will evaluate how the acute metabolic response to citalopram relates to the metabolic response after chronic treatment in patients with geriatric depression...
Test-retest variability of high resolution positron emission tomography (PET) imaging of cortical serotonin (5HT2A) receptors in older, healthy adultsTiffany W Chow
The Rotman Research Institute of Baycrest Centre for Geriatric Care, Toronto, ON, Canada
BMC Med Imaging 9:12. 2009..Methods: Six healthy subjects (age range = 65-78 years) completed two [18F]-setoperone PET scans on two separate occasions 5-16 weeks apart...
Relevance of assessing drug concentration exposure in pharmacogenetic and imaging studiesFrancis E Lotrich
Department of Psychiatry, Western Psychiatric Institute and Clinics, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
J Psychopharmacol 20:33-40. 2006..For the design and interpretation of neuroimaging, pharmacogenetic, and behavioural studies, the assessment of drug concentration exposure is therefore feasible and has potentially important ramifications...
Functional neuroimaging in geriatric depressionFaith M Gunning
Department of Psychiatry, Institute of Geriatric Psychiatry, Weill Cornell Medical College, 21 Bloomingdale Road, White Plains, NY 10605, USA
Psychiatr Clin North Am 34:403-22, viii. 2011..Furthermore, geriatric depression provides a logical context within which to study the role of specific functional abnormalities in both antidepressant response and key behavioral and cognitive abnormalities of mood disorders...
Applications of neuroreceptor imaging to psychiatry researchGwenn S Smith
Department of Psychiatry Research, Zucker Hillside Hospital of the North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Psychopharmacol Bull 37:26-65. 2003..These data will provide important insights into the neurochemical substrates of treatment response variability in psychiatric disorders that will have important implications for the refinement of pharmacotherapy...
Diffusion tensor imaging atlas-based analyses in major depression after mild traumatic brain injuryVani Rao
Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD, USA
J Neuropsychiatry Clin Neurosci 24:309-15. 2012..These preliminary results highlight the need for additional studies, including studies using a larger sample and appropriate controls...
Evidence for a role of the arachidonic acid cascade in affective disorders: a reviewM Elizabeth Sublette
Psychiatry Department, The Zucker Hillside Hospital North Shore Long Island Jewish Health System, Glen Oaks, NY 11004, USA
Bipolar Disord 6:95-105. 2004..Possible links between this and other prevailing hypotheses are considered, and implications for further research and for treatment are discussed...
Research Grants
- Monoamiergic Function in Geriatric PsychiatryGwenn Smith; Fiscal Year: 2007..The Independent Scientist Award will enable the candidate to continue to firmly focus her research and mentorship activities in the area of geriatric neuropsychiatry. ..
- Serotonin Modulation in Geriatric DepressionGwenn Smith; Fiscal Year: 2006..abstract_text> ..
