Search Results - "Zis, Athanasios P."

Effect of electroconvulsive therapy on brain 5-HT2 receptors in major depression by Yatham, Lakshmi N, Liddle, Peter F, Lam, Raymond W, Zis, Athanasios P, Jon, Stoessl A, Sossi Vesna, Adam, Michael J, Ruth, Thomas J

“…BackgroundBrain serotonin2 (5-hydroxytryptamine2; 5-HT2) receptors were considered potential targets for therapeutic efficacy of electroconvulsive therapy…”
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Electroconvulsive Therapy Alters Dopamine Signaling in the Striatum of Non-human Primates by LANDAU, Anne M, MALLAR CHAKRAVARTY, M, CLARK, Campbell M, ZIS, Athanasios P, DOUDET, Doris J

“…Electroconvulsive therapy (ECT) is one of the most effective therapies for depression and has beneficial motor effects in parkinsonian patients. However,…”
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Electroconvulsive shock decreases binding to 5-HT2 receptors in nonhuman primates : An in vivo positron emission tomography study with [18F]setoperone by STROME, Elissa M, CLARK, Campbell M, ZIS, Athanasios P, DOUDET, Doris J

“…Dysfunction within the serotonin (5-HT) system plays a major role in the etiology of human depression, and treatment with antidepressant drugs downregulates…”
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Effects of rapid tryptophan depletion on brain 5-HT2 receptors: a PET study by Yatham, Lakshmi N., Liddle, Peter F., Shiah, I-Shin, Lam, Raymond W., Adam, Michael J., Zis, Athanasios P., Ruth, Thomas J.

“…BackgroundThe mechanism by which rapid tryptophan depletion (RTD) paradigm induces depressive relapse in recently remitted patients with depression is…”
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Seasonal depression: The dual vulnerability hypothesis revisited by Lam, Raymond W, Tam, Edwin M, Yatham, Lakshmi N, Shiah, I-Shin, Zis, Athanasios P

“…Objective: In DSM-IV, winter seasonal affective disorder (SAD) is classified as a seasonal pattern of recurrent major depressive episodes in winter with full…”
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Electroconvulsive shock enhances striatal dopamine D1 and D3 receptor binding and improves motor performance in 6-OHDA-lesioned rats by Strome, Elissa M, Zis, Athanasios P, Doudet, Doris J

“…Objective Electroconvulsive therapy (ECT) is a widely used and effective treatment for mood disorders and appears to have positive effects on the motor…”
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Propofol Reduces Cognitive Impairment After Electroconvulsive Therapy by Butterfield, Noam N, Graf, Peter, Macleod, Bernard A, Ries, Craig R, Zis, Athanasios P

“…BACKGROUND:Cognitive impairments are the main complication after electroconvulsive therapy (ECT). Modification of treatment parameters has been shown to affect…”
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Repeated electroconvulsive shock attenuates the depressive-like effects of d-amphetamine withdrawal on brain reward function in rats by BARR, Alasdair M, ZIS, Athanasios P, PHILLIPS, Anthony G

“…The withdrawal of humans from high doses of psychostimulant drugs can result in a transient syndrome which appears isomorphic to endogenous depression. One of…”
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A Preliminary Study of the Effects of Electroconvulsive Therapy on Regional Brain Glucose Metabolism in Patients with Major Depression by Yatham, Lakshmi N, Clark, Campbell C, Zis, Athanasios P

“…Animal studies have shown that a course of electroconvulsive shock (ECS) leads to a significant reduction in glucose metabolism in rat brains 1 day after the…”
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Seasonality of symptoms in women with late luteal phase dysphoric disorder by MASKALL, D. D, LAM, R. W, MISRI, S, CARTER, D, KUAN, A. J, YATHAM, L. N, ZIS, A. P

“…OBJECTIVE: Both late luteal phase dysphoric disorder (LLPDD) and seasonal affective disorder are cyclical disorders often manifested by "atypical" depressive…”
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Atypical depressive symptoms in seasonal and non-seasonal mood disorders by Tam, Edwin M, Lam, Raymond W, Robertson, Heather A, Stewart, Justine N, Yatham, Lakshmi N, Zis, Athanasios P

“…The authors examined the rates of atypical depression and prevalence of specific atypical symptoms in patients with seasonal versus non-seasonal depression…”
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Growth hormone response to baclofen in patients with mania : a pilot study by SHIAH, I.-Shin, YATHAM, Lakshmi N, LAM, Raymond W, TAM, Edwin M, ZIS, Athanasios P

“…Growth hormone (GH) response to a challenge with a GABAB receptor agonist, baclofen, is considered to provide an in vivo index of hypothalamic GABAB receptor…”
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Hypothermic, ACTH, and cortisol responses to ipsapirone in patients with mania and healthy controls by Yatham, Lakshmi N, Shiah, I-Shin, Lam, Raymond W, Tam, Edwin M, Zis, Athanasios P

“…Background: The selective 5-HT 1A receptor agonist ipsapirone causes dose-dependent decrease in body temperature and increase in adrenocorticotropic hormone…”
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Comparative studies of the biological distinction between unipolar and bipolar depressions by Yatham, L N, Srisurapanont, M, Zis, A P, Kusumakar, V

“…Although unipolar depression and bipolar depression are considered distinct entities both by clinicians and researchers, it is not clear whether a…”
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Clinical Predictors of Short-Term Outcome in Electroconvulsive Therapy by Lam, Raymond W, Bartley, Simon, Yatham, Lakshmi N, Tam, Edwin M, Zis, Athanasios P

“…Objectives: Electroconvulsive therapy (ECT) remains one of the most effective biological treatments for major depression. However, there is little information…”
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L-tryptophan augmentation of light therapy in patients with seasonal affective disorder by Lam, R W, Levitan, R D, Tam, E M, Yatham, L N, Lamoureux, S, Zis, A P

“…Up to one-third of patients with seasonal affective disorder (SAD) do not have a full response to light therapy. Given the evidence for serotonergic…”
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Cortisol, hypothermic, and behavioral responses to ipsapirone in patients with bipolar depression and normal controls by Shiah, I S, Yatham, L N, Lam, R W, Tam, E M, Zis, A P

“…To examine if 5-HT1A receptor function is involved in the pathophysiology of bipolar depression, we measured the cortisol, hypothermic and behavioral responses…”
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ECS-induced dopamine release: effects of electrode placement, anticonvulsant treatment, and stimulus intensity by McGarvey, K A, Zis, A P, Brown, E E, Nomikos, G G, Fibiger, H C

“…Although electroconvulsive therapy (ECT) remains an important therapy for severe depression, its mechanism of action remains elusive. We previously…”
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In vivo neurochemical effects of electroconvulsive shock studied by microdialysis in the rat striatum by ZIS, A. P, NOMIKOS, G. G, DAMSMA, G, FIBIGER, H. C

“…The present study examined the effects of electroconvulsive shock (ECS) on interstitial concentrations of dopamine (DA), its metabolites DOPAC and HVA and the…”
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Low electrooculographic ratios in patients with seasonal affective disorder by Lam, R W, Beattie, C W, Buchanan, A, Remick, R A, Zis, A P

“…Changes in retinal sensitivity to light have been hypothesized as etiological in seasonal affective disorder. This study was undertaken to investigate…”
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