Publications related to Stimulant psychosis

Redox dysregulation as a link between childhood trauma and psychopathological and neurocognitive profile in patients with early psychosis

Alessandra Griffa, Patric Hagmann, Kim Do

Exposure to childhood trauma (CT) increases the risk for psychosis and affects the development of brain structures, possibly through oxidative stress. As oxidative stress is also linked to psychosis, it may interact with CT, leading to a more severe clinic ...

National Academy of Sciences2018

Cannabis use in early psychosis is associated with reduced glutamate levels in the prefrontal cortex

Rolf Gruetter, Lijing Xin, Kim Do

Recent studies have shown that cannabis may disrupt glutamate (Glu) signaling depressing Glu tone in frequent users. Current evidence have also consistently reported lower Glu-levels in various brain regions, particularly in the medial prefrontal cortex (m ...

Springer Verlag2018

Cortical morphology development in patients with 22q11.2 deletion syndrome at ultra-high risk of psychosis

Maude Schneider, Marie Schaer, Daniela Maria Zöller, Maria Carmela Padula

Background. Patients with 22q11.2 deletion syndrome (22q11DS) present a high risk of developing psychosis. While clinical and cognitive predictors for the conversion towards a full-blown psychotic disorder are well defined and largely used in practice, neu ...

CAMBRIDGE UNIV PRESS2018

Neural correlates of visual backward masking in psychosis

Michael Herzog, Christine Mohr, Maya Roinishvili, Ophélie Gladys Favrod

In visual backward masking (VBM), a target is followed by a mask, which deteriorates performance on the target. Schizophrenia and first episodes patients show strong behavioral deficits, reflected in strongly reduced amplitudes of the EEG as compared to co ...

2017

Genetic Polymorphism Associated Prefrontal Glutathione and Its Coupling With Brain Glutamate and Peripheral Redox Status in Early Psychosis

Rolf Gruetter, Lijing Xin, Kim Do, Benoît Schaller, Huanxiang Lu

BACKGROUND: Oxidative stress and glutathione (GSH) metabolism dysregulation has been implicated in the pathophysiology of schizophrenia. GAG-trinucleotide repeat (TNR) polymorphisms in the glutamate-cysteine ligase catalytic gene (GCLC), the rate-limiting ...

Oxford University Press2016

The longitudinal association between social functioning and theory of mind in first-episode psychosis

Christine Mohr, Daniela Herzig

IntroductionThere is some cross-sectional evidence that theory of mind ability is associated with social functioning in those with psychosis but the direction of this relationship is unknown. This study investigates the longitudinal association between bot ...

Taylor & Francis2014

Identifying 22q11.2 Deletion Syndrome and Psychosis Using Resting-State Connectivity Patterns

Dimitri Nestor Alice Van De Ville, Maude Schneider, Marie Schaer, Jonas Richiardi

The clinical picture associated with 22q11.2 deletion syndrome (22q11DS) includes mild mental retardation and an increased risk of schizophrenia. While the clinical phenotype has been related to structural brain network alterations, there is only scarce in ...

Springer Verlag2014

Inferring about individual drug and schizotypy effects on cognitive functioning in polydrug using mephedrone users before and after clubbing

Christine Mohr, Daniela Herzig

Objective Mephedrone has been recently made illegal in Europe, but little empirical evidence is available on its impact on human cognitive functions. We investigated acute and chronic effects of mephedrone consumption on drug-sensitive cognitive measures, ...

Wiley-Blackwell2013

Resting-state networks in adolescents with 22q11.2 deletion syndrome: Associations with prodromal symptoms and executive functions

Dimitri Nestor Alice Van De Ville, Maude Schneider

Atypical functional connectivity in the maturing brains of 22q11.2 deletion syndrome (22q11DS) may contribute to the expression of early psychotic symptoms commonly reported by these youths. This study's objective was to examine functional connectivity in ...

Elsevier2012

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Stimulant psychosis

Redox dysregulation as a link between childhood trauma and psychopathological and neurocognitive profile in patients with early psychosis

Cannabis use in early psychosis is associated with reduced glutamate levels in the prefrontal cortex

Cortical morphology development in patients with 22q11.2 deletion syndrome at ultra-high risk of psychosis

Neural correlates of visual backward masking in psychosis

Identification of Isomeric Ephedrines by Cold Ion UV Spectroscopy: Toward Practical Implementation

Genetic Polymorphism Associated Prefrontal Glutathione and Its Coupling With Brain Glutamate and Peripheral Redox Status in Early Psychosis

The longitudinal association between social functioning and theory of mind in first-episode psychosis

Identifying 22q11.2 Deletion Syndrome and Psychosis Using Resting-State Connectivity Patterns

Inferring about individual drug and schizotypy effects on cognitive functioning in polydrug using mephedrone users before and after clubbing

Resting-state networks in adolescents with 22q11.2 deletion syndrome: Associations with prodromal symptoms and executive functions

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Cannabis use in early psychosis is associated with reduced glutamate levels in the prefrontal cortex

Genetic Polymorphism Associated Prefrontal Glutathione and Its Coupling With Brain Glutamate and Peripheral Redox Status in Early Psychosis

Redox dysregulation as a link between childhood trauma and psychopathological and neurocognitive profile in patients with early psychosis

Inferring about individual drug and schizotypy effects on cognitive functioning in polydrug using mephedrone users before and after clubbing

Resting-state networks in adolescents with 22q11.2 deletion syndrome: Associations with prodromal symptoms and executive functions

Cortical morphology development in patients with 22q11.2 deletion syndrome at ultra-high risk of psychosis

Neural correlates of visual backward masking in psychosis

Identification of Isomeric Ephedrines by Cold Ion UV Spectroscopy: Toward Practical Implementation

Identifying 22q11.2 Deletion Syndrome and Psychosis Using Resting-State Connectivity Patterns

The longitudinal association between social functioning and theory of mind in first-episode psychosis