Results 81 to 90 of about 1,392,533 (259)

The influence of cannabis use expectancies on cannabis use and psychotic symptoms in psychosis [PDF]

, 2008
Introduction and Aims: Little is known about motives or expectancies for cannabis use in psychotic populations, despite these cognitive factors being a central focus of the treatment for substance misuse in psychosis. This study examined the relationship
Kavanagh, David J., J. Kavanagh, David, Young, Ross McD, Kavanagh, David J, Dawe, Sharon, Hides, Leanne, Young, Ross. McD., Young, Ross McD.   +7 more
core   +1 more source

Trace Elements Genetics: A Potential Role in Treatment‐Resistant Major Psychoses and Related Traits?

American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT Trace elements are pivotal to key biological processes, with possible effects on psychopathology. We investigated the hypothesis of shared genetic factors between trace elements levels, treatment resistance and related traits. We used genome‐wide summary statistics for trace elements blood concentration, treatment‐resistant depression (TRD ...
Chiara Fabbri, Alessandro Serretti, Marco Menchetti, Benedetta Vai, Francesco Benedetti, Lidia Fortaner‐Uyà, Concetta Crisafulli   +6 more
wiley   +1 more source

Reporting a Case of Injecting Methylphenidate (Ritalin) Tablets, Intensified Symptoms of Schizoph-renia or Induce Separate Mental Disorder [PDF]

Addiction and Health, 2010
Background: Methylphenidate is one of the classic amphetamines which can cause or exacerbate psychotic symptoms in schizophrenia patients. Methods: In this paper, a young man is presented with injection of methylphenidate tablets with acute ...
Alireza Ghaffarinejad, Ali Kheradmand
doaj  

Khat use as risk factor for psychotic disorders: A cross-sectional and case-control study in Somalia

BMC Medicine, 2005
Background Little is known about the prevalence of khat-induced psychotic disorders in East African countries, where the chewing of khat leaves is common. Its main psycho-active component cathinone produces effects similar to those of amphetamine.
Elbert Thomas, Schauer Maggie, Neuner Frank, Odenwald Michael, Catani Claudia, Lingenfelder Birke, Hinkel Harald, Häfner Heinz, Rockstroh Brigitte   +8 more
doaj   +1 more source

Lifetime Psychotic Symptoms Assessed With the DIS [PDF]

Schizophrenia Bulletin, 1983
Data on a lay interviewer's use of the Diagnostic Interview Schedule (DIS) to ascertain lifetime psychotic symptoms in patients where these experiences have been previously documented is reported. The subjects in this study had been identified as patients 11 years previously and had participated in several followup research interviews with research ...
A E, Pulver, W T, Carpenter
openaire   +2 more sources

Stimulant medication and psychotic symptoms in offspring of parents with mental illness [PDF]

, 2016
BACKGROUND: Stimulants, such as methylphenidate, are among the most commonly used medications in children and adolescents. Psychotic symptoms have been reported as rare adverse reactions to stimulants but have not been systematically inquired about in ...
Cumby, Jill, Fisher, Helen L., Morash-Conway, Jessica, Propper, Lukas, Hajek, T., Cumby, J., Propper, L., Bagnell, A., Hajek, Tomas, MacKenzie, Lynn E., Abidi, Sabina, Pajer, K., Alda, M., Fisher, H. L., Schultze-Lutter, Frauke, Uher, Rudolf, Glover, Jacqueline M., Bagnell, Alexa, Pajer, Kathleen, Uher, R., Morash-Conway, J., Alda, Martin, Glover, J. M., MacKenzie, L. E., Abidi, S.   +24 more
core   +1 more source

The Role of Glutamatergic and Dopaminergic Genes in Resistant Schizophrenia: A Systematic Review

American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT Psychosis is a heterogeneous disorder, with approximately one‐third of patients experiencing treatment resistance, predominantly among individuals diagnosed with Schizophrenia. Treatment‐resistant schizophrenia (TRS) may stem from a distinct biological signature, involving abnormalities in the dopaminergic and glutamatergic systems.
Maria Teresa Moreno‐Calle, Silvia Iñiguez‐Barrio, Maria Aurora Arrue, Leire Erkoreka   +3 more
wiley   +1 more source

Abnormal prefrontal brain activation during a verbal fluency task in bipolar disorder patients with psychotic symptoms using multichannel NIRS

Neuropsychiatric Disease and Treatment, 2018
Jing-Jing Sun,1,2 Xiao-Min Liu,2 Chen-Yu Shen,2 Kun Feng,1,2 Po-Zi Liu2 1School of Clinical Medicine, Medicine Institute, Tsinghua University, Beijing, China; 2Yu Quan Hospital, Clinical Neuroscience Institute, Tsinghua University, Beijing, China ...
Sun JJ, Liu XM, Shen CY, Feng K, Liu PZ
doaj  

Prospective investigation of positive psychotic symptoms, dissociative symptoms, and metacognitive dysfunctions in a non-clinical population

Scientific Reports
The frequent co-occurrence of positive psychotic and dissociative symptoms in both clinical and non-clinical populations underscores the importance of understanding their interplay for early intervention.
Bryan Ho-wang Yu, Anson Kai Chun Chau, Chui-De Chiu, Suzanne Ho-wai So   +3 more
doaj   +1 more source

Influence of Molecular Genetic Classes on Behavior in Prader‐Willi Syndrome

American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT A wide range of behavioral phenotypes has been described in PWS patients including autism spectrum disorder (ASD). The prevalence of behavioral disorders was studied in 292 participants over 3 years with genetically confirmed PWS (N = 164 females and N = 128 males) with deletion (N = 182) and mUPD (maternal uniparental disomy) (N = 99).
Ranim Mahmoud, Merlin G. Butler, Wai Park, Jennifer L. Miller, Daniel J. Driscoll, June‐Anne Gold, Virginia Kimonis   +6 more
wiley   +1 more source