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You searched for: psychosis in Psychiatry
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Childhood Trauma and Psychosis: A Chicken-and-Egg Question
- April 22, 2013
- Joel Yager, MD
- Psychiatry
The association between trauma and severity of psychosis is bidirectional in this prospective study of adolescents.- Reviewing:
- Kelleher I et al., Am J Psychiatry 2013 Apr 19;:
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Preventing Psychosis: A Meta-Analysis of Intervention Studies
- February 11, 2013
- Peter Roy-Byrne, MD
- Psychiatry
CBT holds promise for preventing or delaying transition to psychosis in those at high risk, whereas current medications seem to be ineffective.- Reviewing:
- Stafford MR et al., BMJ 2013 Jan 18; 346:f185.
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Nonclinical Psychosis, Frontostriatal Processing, and Fingerprint Abnormalities
- October 5, 2012
- Joel Yager, MD
- Psychiatry
In a small study, individuals with attenuated positive symptoms seem to exhibit developmental problems similar to those with frank psychosis.- Reviewing:
- Mittal VA et al., Acta Psychiatr Scand 2012 Oct; 126:290.
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Prenatal Antibodies to Gluten Protein, but Not Casein, Linked to Psychosis
- May 25, 2012
- Barbara Geller, MD
- Psychiatry
Very high levels of maternal antibodies that cross the placenta are associated with elevated risk for nonaffective psychosis.- Reviewing:
- Karlsson H et al., Am J Psychiatry 2012 Apr 25;:
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A Link Between Epilepsy and Psychosis
- May 21, 2012
- Steven Dubovsky, MD
- Psychiatry
Epilepsy and psychotic illness co-occur at elevated rates within individuals and within families.- Reviewing:
- Clarke MC et al., Biol Psychiatry 2012 May 1; 71:836.
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Early Treatment of Psychosis Improves Outcomes Free
- April 2, 2012
- Joel Yager, MD
- Psychiatry
After 10 years, patients who received earlier treatment of first-episode, nonaffective psychosis have milder deficits and higher functioning.
CME Exam- Reviewing:
- Hegelstad WTV et al., Am J Psychiatry 2012 Mar 8;:
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Does Childhood Trauma Contribute to Risk for Psychosis? Free
- October 31, 2011
- Joel Yager, MD
- Psychiatry
Levels of abuse are associated linearly with positive symptoms in patients and schizotypy in siblings and healthy volunteers.- Reviewing:
- Heins M et al., Am J Psychiatry 2011 Sep 28;:
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The Latest Word on Pot and Susceptibility to Psychosis
- July 11, 2011
- Steven Dubovsky, MD
- Psychiatry
A meta-analysis indicates a specific association between cannabis use and earlier onset of psychosis.- Reviewing:
- Large M et al., Arch Gen Psychiatry 2011 Jun; 68:555.
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Vulnerability to Psychosis: Nature, Nurture, or Both?
- September 13, 2010
- Joel Yager, MD
- Psychiatry
Both, according to this Swedish epidemiologic study, with genetic influences stronger than socioenvironmental ones- Reviewing:
- Wicks S et al., Am J Psychiatry 2010 Aug 4;:
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White-Matter Deficits in Patients with Early Psychosis
- March 22, 2010
- Joel Yager, MD
- Psychiatry
Cognitive deficits seen in minimally medicated patients during their first psychotic episode might be linked to dysfunction in specific white-matter bundles.- Reviewing:
- Pérez-Iglesias R et al., Am J Psychiatry 2010 Feb 16;:
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Omega-3s for Prodromal Psychosis
- March 8, 2010
- Barbara Geller, MD
- Psychiatry
A relatively safe intervention yields early positive results.- Reviewing:
- Amminger GP et al., Arch Gen Psychiatry 2010 Feb; 67:146.
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More About Cannabis and Psychosis
- July 13, 2009
- Deborah Cowley, MD
- Psychiatry
Acute exposure increases psychosis-like symptoms, especially among those with high-trait schizotypy.- Reviewing:
- Mason O et al., Psychol Med 2009 Jun; 39:951. Morrison PD et al., Psychol Med 2009 Apr 1;:
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Risk Factors for Postictal Psychosis: It’s Not the Temporal Lobe
- July 14, 2008
- Jonathan Silver, MD
- Psychiatry
Abnormal interictal activity, indeterminate localization of seizures, encephalitis, or family histories of neuropsychiatric disorders increase psychosis risk.- Reviewing:
- Alper K et al., Ann Neurol 2008 May; 63:602.
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Is Psychosis Nonspecific?
- March 3, 2008
- Steven Dubovsky, MD
- Psychiatry
Methamphetamine psychosis may share a dysbindin polymorphism with schizophrenia and psychotic bipolar disorder.- Reviewing:
- Kishimoto M et al., Biol Psychiatry 2008 Jan 15; 63:191.
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Cannabis and Psychosis: Two Studies
- September 17, 2007
- Deborah S. Cowley, MD
- Psychiatry
Evidence for the association is consistent across population-based studies, and cannabis use is associated with later worsening of psychosis.- Reviewing:
- Moore THM et al., Lancet 2007 Jul 28; 370:319. Degenhardt L et al., Psychol Med 2007 Jul; 37:927.
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Genetic Vulnerabilities to Methamphetamine Abuse and Psychosis?
- September 10, 2007
- Joel Yager, MD
- Psychiatry
Researchers look at genetic polymorphisms associated with a protein implicated in schizophrenia.- Reviewing:
- Matsuzawa D et al., Am J Psychiatry 2007 Jul; 164:1105-14.
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A Genetic Mediator of Marijuana Use as a Risk Factor for Psychosis
- July 21, 2005
- Steven Dubovsky, MD
- Psychiatry
Adolescent marijuana use has been linked to an increased risk for psychosis (see Journal Watch Psychiatry Jan 27 2005). Also implicated in schizophrenia is . . .- Reviewing:
- Caspi A et al., Biol Psychiatry 2005 May 15; 57:1117-27.
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This Is Your Brain on Drugs: The Marijuana-Psychosis Connection Revisited
- January 27, 2005
- Peter Roy-Byrne, MD
- Psychiatry
In this German population-based study, cannabis use clearly increased the risk for any psychotic symptom.- Reviewing:
- Henquet C et al., BMJ 2005 Jan 1; 330:11.
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Early Cognitive Remediation in Major Depression and Psychosis Free
- January 14, 2013
- Deborah Cowley, MD
- Psychiatry
After the first episode of illness, a remediation program improved learning, memory, and psychosocial function.- Reviewing:
- Lee RSC et al., Psychol Med 2012 Dec 14;:
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Where Dopamine Signaling Is Altered in Psychosis
- August 27, 2012
- Steven Dubovsky, MD
- Psychiatry
A meta-analysis of neuroimaging studies pinpoints presynaptic alterations in dopaminergic functioning.- Reviewing:
- Howes OD et al., Arch Gen Psychiatry 2012 Aug; 69:776.
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