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https://www.readbyqxmd.com/read/28096883/reconsidering-clinical-staging-model-a-case-of-genetic-high-risk-for-schizophrenia
#1
Tae Young Lee, Minah Kim, Sung Nyun Kim, Jun Soo Kwon
The clinical staging model is considered a useful and practical method not only in dealing with the early stage of psychosis overcoming the debate about diagnostic boundaries but also in emerging mood disorder. However, its one limitation is that it cannot discriminate the heterogeneity of individuals at clinical high risk for psychosis, but lumps them all together. Even a healthy offspring of schizophrenia can eventually show clinical symptoms and progress to schizophrenia under the influence of genetic vulnerability and environmental stress even after the peak age of onset of schizophrenia...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28095334/predictors-and-mediators-of-trait-anger-across-the-psychosis-continuum-the-role-of-attachment-style-paranoia-and-social-cognition
#2
Hannah Darrell-Berry, Sandra Bucci, Jasper Palmier-Claus, Richard Emsley, Richard Drake, Katherine Berry
Anger in the context of psychosis has a significant impact on treatment outcomes and serious implications for risk management. Understanding mechanisms underlying anger will improve interventions and inform strategies for prevention. This study is the first to examine the relationships between anger and key theoretical drivers across different phases of the psychosis continuum. A battery including measures of theory of mind, attachment, hostile attribution bias, paranoia and anger was administered to 174 participants (14 ultra-high risk, 20 first-episode, 20 established psychosis, 120 non-clinical participants)...
January 4, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28092988/measurement-invariance-of-the-prodromal-questionnaire-brief-among-white-asian-hispanic-and-multiracial-populations
#3
David C Cicero, Alexander Krieg, Elizabeth A Martin
The Prodromal Questionnaire-Brief is a scale that is used to screen individuals for risk for the development of psychosis. It has promising psychometric properties in clinical and nonclinical populations, including undergraduates. However, the measurement invariance of the scale has not been examined in Asian, White, Hispanic, and Multiracial samples. A total of 2,767 undergraduates at two large public U.S. universities completed the Prodromal Questionnaire-Brief. The Total scores had configural and scalar invariance, while the Distress scores displayed configural, metric, and partial scalar invariance...
January 1, 2017: Assessment
https://www.readbyqxmd.com/read/28091343/prediction-of-transition-to-psychosis-in-patients-with-a-clinical-high-risk-for-psychosis-a-systematic-review-of-methodology-and-reporting
#4
E Studerus, A Ramyead, A Riecher-Rössler
BACKGROUND: To enhance indicated prevention in patients with a clinical high risk (CHR) for psychosis, recent research efforts have been increasingly directed towards estimating the risk of developing psychosis on an individual level using multivariable clinical prediction models. The aim of this study was to systematically review the methodological quality and reporting of studies developing or validating such models. METHOD: A systematic literature search was carried out (up to 14 March 2016) to find all studies that developed or validated a clinical prediction model predicting the transition to psychosis in CHR patients...
January 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28079061/progressive-decline-in-hippocampal-ca1-volume-in-individuals-at-ultra-high-risk-for-psychosis-who-do-not-remit-findings-from-the-longitudinal-youth-at-risk-study
#5
New Fei Ho, Daphne J Holt, Mike Cheung, Juan Eugenio Iglesias, Alex Goh, Mingyuan Wang, Joseph Kw Lim, Joshua de Souza, Joann S Poh, Yuen Mei See, Alison R Adcock, Stephen J Wood, Michael Wl Chee, Jimmy Lee, Juan Zhou
Most individuals identified as ultra high-risk for psychosis (UHR) do not develop frank psychosis. They continue to exhibit subthreshold symptoms, or go on to fully remit. Prior work has shown that the volume of CA1, a subfield of the hippocampus, is selectively reduced in the early stages of schizophrenia. Here, we aimed to determine whether patterns of volume change of CA1 are different in UHR individuals who do or do not achieve symptomatic remission. Structural MRI scans were acquired at baseline and at 1-2 follow-up time points (at 12-month intervals) from 147 UHR and healthy control subjects...
January 12, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28069564/mood-disorders-in-first-and-second-generation-immigrants-systematic-review-and-meta-analysis
#6
REVIEW
Irina Mindlis, Paolo Boffetta
BACKGROUND: Although there are consistent reports of higher psychosis rates among immigrants, the information on mood disorders is limited. AIMS: To review and quantify the difference in incidence of mood disorders in first- and second-generation immigrant (FGI and SGI) groups v non-immigrants. METHOD: PubMed, EMBASE and PsycINFO were searched for articles from cohort studies reporting incidence of mood disorders among FGIs and SGIs. RESULTS: Eighteen studies met our inclusion criteria...
January 9, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28068828/key-differences-in-treatment-seeking-stimulant-users-attending-a-specialised-treatment-service-a-means-of-early-intervention
#7
Shalini Arunogiri, Margret Petrie, Michelle Sharkey, Dan I Lubman
OBJECTIVES: Few people who use stimulants seek clinical treatment. This study sought to describe a cohort of stimulant users who attended a stimulant-specific treatment service, Access Point, in Melbourne, Australia between 2008 and 2014. METHODS: A retrospective audit of the records of adults ( n = 175) who sought treatment for stimulant use at a stimulant-specific outpatient treatment service was conducted. RESULTS: Service users had a median age of 32 (range = 19-54)...
January 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28068398/correction-voxel-based-morphometry-in-individuals-at-genetic-high-risk-for-schizophrenia-and-patients-with-schizophrenia-during-their-first-episode-of-psychosis
#8
Miao Chang, Fay Y Womer, Chuan Bai, Qian Zhou, Shengnan Wei, Xiaowei Jiang, Haiyang Geng, Yifang Zhou, Yanqing Tang, Fei Wang
[This corrects the article DOI: 10.1371/journal.pone.0163749.].
2017: PloS One
https://www.readbyqxmd.com/read/28063393/association-between-family-history-of-psychiatric-disorders-and-long-term-outcome-in-schizophrenia-the-northern-finland-birth-cohort-1966-study
#9
Juha Käkelä, Riikka Marttila, Emmi Keskinen, Juha Veijola, Matti Isohanni, Heli Koivumaa-Honkanen, Marianne Haapea, Erika Jääskeläinen, Jouko Miettunen
Family history of psychiatric disorders has been associated with impaired outcome in schizophrenia, but very few studies have investigated its long-term social and occupational outcome. We investigated the association of family history of psychiatric disorders, especially psychosis, with long-term social, occupational, clinical and global outcome in schizophrenia. The study sample comprises of the Northern Finland Birth Cohort 1966. Cohort members with psychosis were detected by Finnish national registers. Altogether 69 individuals with schizophrenia spectrum diagnosis participated, mean age 43, after on average 17 years since onset of illness...
December 27, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28062262/the-interplay-of-childhood-behavior-problems-and-iq-in-the-development-of-later-schizophrenia-and-affective-psychoses
#10
Jessica Agnew-Blais, Larry J Seidman, Garrett M Fitzmaurice, Jordan W Smoller, Jill M Goldstein, Stephen L Buka
Schizophrenia and affective psychoses are both associated with impaired social functioning, but the extent to which childhood behavioral impairments are present prior to onset of illness is less well studied. Moreover, the concurrent relationship of childhood behavior problems and premorbid IQ with subsequent psychotic disorder has not been established. We investigated whether childhood behavior problems are associated with increased risk for adult schizophrenia or affective psychosis, independently and in combination with IQ...
January 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28059932/a-developmental-perspective-on-social-cognition-difficulties-in-youth-at-clinical-high-risk-for-psychosis
#11
Sarah Hope Lincoln, Emily M Norkett, Katherine H Frost, Joseph Gonzalez-Heydrich, Eugene J D'Angelo
After participating in this activity, learners should be better able to:• Evaluate the evolution of social cognitive abilities as a developmental process• Assess the evidence regarding social cognition difficulties in youth at clinical high risk for psychosisIndividuals at clinical high risk (CHR) for psychosis exhibit a broad range of difficulties, including impaired social cognition, which may represent a target for early identification and intervention. Several studies have examined various domains of social cognition in CHR individuals...
January 2017: Harvard Review of Psychiatry
https://www.readbyqxmd.com/read/28057720/elevated-striatal-dopamine-function-in-immigrants-and-their-children-a-risk-mechanism-for-psychosis
#12
Alice Egerton, Oliver D Howes, Sylvain Houle, Kwame McKenzie, Lucia R Valmaggia, Michael R Bagby, Huai-Hsuan Tseng, Michael A P Bloomfield, Miran Kenk, Sagnik Bhattacharyya, Ivonne Suridjan, Chistopher A Chaddock, Toby T Winton-Brown, Paul Allen, Pablo Rusjan, Gary Remington, Andreas Meyer-Lindenberg, Philip K McGuire, Romina Mizrahi
Migration is a major risk factor for schizophrenia but the neurochemical processes involved are unknown. One candidate mechanism is through elevations in striatal dopamine synthesis and release. The objective of this research was to determine whether striatal dopamine function is elevated in immigrants compared to nonimmigrants and the relationship with psychosis. Two complementary case-control studies of in vivo dopamine function (stress-induced dopamine release and dopamine synthesis capacity) in immigrants compared to nonimmigrants were performed in Canada and the United Kingdom...
January 5, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28057432/pattern-of-cognitive-impairment-in-patients-with-parkinson-s-disease-and-psychosis-a-critical-review
#13
REVIEW
Abhishek Lenka, Shantala Hegde, Shyam Sundar Arumugham, Pramod Kumar Pal
Psychosis is one of the debilitating non-motor symptoms (NMS) of Parkinson's disease (PD). Cognitive impairment is considered to be a risk factor for emergence of psychosis in PD. Early detection of relevant cognitive impairment may serve as a predictor for development of psychosis, with implications for prevention and early intervention. However, the exact pattern of cognitive impairment associated with psychosis is not clear. In this article, we aim to critically review the literature on case-control studies in PD patients with and without psychosis in order to understand the pattern of cognitive impairment in those with psychosis...
December 29, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28056388/aberrant-temporal-behavior-of-mismatch-negativity-generators-in-schizophrenia-patients-and-subjects-at-clinical-high-risk-for-psychosis
#14
Minah Kim, Kang Ik Kevin Cho, Youngwoo Bryan Yoon, Tae Young Lee, Jun Soo Kwon
OBJECTIVE: Although disconnection syndrome has been considered a core pathophysiologic mechanism of schizophrenia, little is known about the temporal behavior of mismatch negativity (MMN) generators in individuals with schizophrenia or clinical high risk (CHR) for psychosis. METHODS: MMN was assessed in 29 schizophrenia patients, 40 CHR subjects, and 47 healthy controls (HCs). Individual realistic head models and the minimum L2 norm algorithm were used to generate a current source density (CSD) model of MMN...
December 18, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28054132/course-of-clinical-high-risk-states-for-psychosis-beyond-conversion
#15
Chantal Michel, Stephan Ruhrmann, Benno G Schimmelmann, Joachim Klosterkötter, Frauke Schultze-Lutter
BACKGROUND: The main focus of research on clinical high-risk states for psychosis (CHR) has been the development of algorithms to predict psychosis. Consequently, other outcomes have been neglected, and little is known about the long-term diagnostic and functional outcome among those not converting to psychosis. METHODS: In a naturalistic study, incidence, persistence, and remission rates of CHR states according to symptomatic ultra-high risk or cognitive disturbances criteria were investigated in 160 of 246 outpatients of an early detection of psychoses service (21...
January 4, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28053131/a-severity-based-clinical-staging-model-for-the-psychosis-prodrome-longitudinal-findings-from-the-new-york-recognition-and-prevention-program
#16
Ricardo E Carrión, Christoph U Correll, Andrea M Auther, Barbara A Cornblatt
Clinical staging improved the possibility of intervening during the psychosis prodrome to limit progression of illness. The current study aimed to validate a novel 4-stage severity-based model with a focus on clinical change over time and risk for conversion to psychosis. One hundred seventy-one individuals at clinical high risk (CHR) for psychosis were followed prospectively (3 ± 1.6 y) as part of the Recognition and Prevention (RAP) program and divided into 4 diagnostic stages according to absence/presence and severity of attenuated positive symptoms...
January 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28053130/diagnostic-and-prognostic-significance-of-brief-limited-intermittent-psychotic-symptoms-blips-in-individuals-at-ultra-high-risk
#17
Paolo Fusar-Poli, Marco Cappucciati, Andrea De Micheli, Grazia Rutigliano, Ilaria Bonoldi, Stefania Tognin, Valentina Ramella-Cravaro, Augusto Castagnini, Philip McGuire
BACKGROUND: Brief Limited Intermittent Psychotic Symptoms (BLIPS) are key inclusion criteria to define individuals at ultra high risk for psychosis (UHR). Their diagnostic and prognostic significance is unclear. OBJECTIVES: To address the baseline diagnostic relationship between BLIPS and the ICD-10 categories and examine the longitudinal prognostic impact of clinical and sociodemographic factors. METHODS: Prospective long-term study in UHR individuals meeting BLIPS criteria...
January 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28053129/the-clinical-high-risk-state-for-psychosis-chr-p-version-ii
#18
Paolo Fusar-Poli
The Clinical High-Risk state for psychosis (CHR-P) paradigm was introduced about 2 decades ago. Over this period of time accumulating knowledge has been gained. Conceptual advancements involve new knowledge into risk enrichment and the impact of recruitment strategies, specificity for prediction of psychotic and nonpsychotic mental disorders and heterogeneity of psychosis risk among the different CHR-P subgroups. The current special issue advances current knowledge on deconstructing the CHR-P paradigm across its 3 subgroups: genetic risk, attenuated psychotic symptoms, and short-lived and remitting psychotic episodes...
January 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28052777/from-neurological-soft-signs-to-functional-outcome-in-young-individuals-in-treatment-with-secondary-services-for-non-psychotic-disorders-a-path-analysis
#19
A Minichino, M Francesconi, R E Carrión, R Delle Chiaie, A Bevilacqua, M Parisi, S Rullo, F S Bersani, M Biondi, K Cadenhead
BACKGROUND: Functional decline among patients with mental illness is not unique to individuals with psychotic disorders. Despite this, research on early predictors of functional outcome mainly focused on individuals thought to have an 'at risk mental state' (ARMS) for psychosis. There is evidence suggesting that certain early vulnerability markers, such as neurological soft signs (NSS), may explain variability in functional outcomes independent of the level of psychosis risk and the traditional diagnostic classification...
January 5, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28049759/psychosis-as-a-barrier-to-the-expression-of-sexuality-and-intimacy-an-environmental-risk
#20
José de Jager, Edward McCann
People diagnosed with schizophrenia and related psychotic disorders often have unmet needs around sexuality and intimacy issues. This can impact negatively upon a person's recovery and the need to lead a fulfilling and satisfying life. The aim of the current review was to explore the available qualitative literature that addressed sexuality and intimacy issues published between the years 2006 and 2016. Records were screened for eligibility. Finally, 56 studies that addressed the aims were included in the review...
January 3, 2017: Schizophrenia Bulletin
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