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Early onset schizophrenia

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https://www.readbyqxmd.com/read/28088223/predictors-of-long-term-use-of-psychiatric-services-of-patients-with-recent-onset-schizophrenia-12%C3%A2-years-follow-up
#1
Víðir Sigrúnarson, Rolf W Gråwe, Stian Lydersen, Gunnar Morken
BACKGROUND: The aim of study was to investigate predictors of long term use of psychiatric services of patients with recent-onset schizophrenia. METHODS: A cohort of 50 clinically stable patients with recent-onset schizophrenia was included in a randomized controlled trial comparing early integrated treatment with treatment as usual. Recent onset was defined as emergence of psychotic symptoms for the first time during the preceding 2 years. The follow up period was from the date of randomization and until 12 years after termination of treatment trial, 14 years forward...
January 14, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28077398/mild-traumatic-brain-injury-is-associated-with-reduced-cortical-thickness-in-those-at-risk-for-alzheimer-s-disease
#2
Jasmeet P Hayes, Mark W Logue, Naomi Sadeh, Jeffrey M Spielberg, Mieke Verfaellie, Scott M Hayes, Andrew Reagan, David H Salat, Erika J Wolf, Regina E McGlinchey, William P Milberg, Annjanette Stone, Steven A Schichman, Mark W Miller
Moderate-to-severe traumatic brain injury is one of the strongest environmental risk factors for the development of neurodegenerative diseases such as late-onset Alzheimer's disease, although it is unclear whether mild traumatic brain injury, or concussion, also confers risk. This study examined mild traumatic brain injury and genetic risk as predictors of reduced cortical thickness in brain regions previously associated with early Alzheimer's disease, and their relationship with episodic memory. Participants were 160 Iraq and Afghanistan War veterans between the ages of 19 and 58, many of whom carried mild traumatic brain injury and post-traumatic stress disorder diagnoses...
January 11, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28076647/sex-specific-cognitive-abnormalities-in-early-onset-psychosis
#3
Miguel Ruiz-Veguilla, Josefa Moreno-Granados, Maria D Salcedo-Marin, Maria L Barrigon, Maria J Blanco-Morales, Evelio Igunza, Anselmo Cañabate, Maria D Garcia, Teresa Guijarro, Francisco Diaz-Atienza, Maite Ferrin
Objectives: Brain maturation differs depending on the area of the brain and sex. Girls show an earlier peak in maturation of the prefrontal cortex. Although differences between adult females and males with schizophrenia have been widely studied, there has been less research in girls and boys with psychosis. The purpose of this study was to examine differences in verbal and visual memory, verbal working memory, auditory attention, processing speed, and cognitive flexibility between boys and girls...
January 9, 2017: Revista Brasileira de Psiquiatria
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
#4
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/28049887/evaluation-of-the-expression-profile-of-extrapyramidal-symptoms-due-to-antipsychotics-by-data-mining-of-japanese-adverse-drug-event-report-jader-database
#5
Eiji Kose, Kana Uno, Hiroyuki Hayashi
 Typical antipsychotics are easily expressed as adverse events such as extrapyramidal symptom (EPS). On the other hand, incidence of adverse events due to atypical antipsychotics is low. Therefore, currently, atypical antipsychotics are widely used to treat schizophrenia. However, it has been reported that there is no difference in the frequency of EPS in atypical and typical antipsychotics. This study aimed to evaluate the expression profile of EPS in atypical and typical antipsychotics treatment using the Japanese Adverse Drug Event Report (JADER) database...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28047652/su-f-sps-07-magnetic-resonance-spectroscopy-findings-in-early-phase-psychosis
#6
A Wright, R Ma, T Hummer, M Francis, N Mehdiyoun, U Dydak, A Breier
PURPOSE: Schizophrenia is a psychiatric disorder characterized by disordered thoughts, abnormal social behaviors, flat affect, and auditory or visual hallucinations. The current study aims to investigate alterations in brain metabolism in patients near the onset of psychosis (early-phase psychosis, EPP), to characterize abnormalities during the early stages of schizophrenia. To this end, we used magnetic resonance imaging (MRI) and spectroscopy (MRS) to measure metabolite levels and subsequently monitor the effect of treatment with N-acetylcysteine (NAC)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044064/asd-and-schizophrenia-show-distinct-developmental-profiles-in-common-genetic-overlap-with-population-based-social-communication-difficulties
#7
B St Pourcain, E B Robinson, V Anttila, B B Sullivan, J Maller, J Golding, D Skuse, S Ring, D M Evans, S Zammit, S E Fisher, B M Neale, R J L Anney, S Ripke, M V Hollegaard, T Werge, A Ronald, J Grove, D M Hougaard, A D Børglum, P B Mortensen, M J Daly, G Davey Smith
Difficulties in social communication are part of the phenotypic overlap between autism spectrum disorders (ASD) and schizophrenia. Both conditions follow, however, distinct developmental patterns. Symptoms of ASD typically occur during early childhood, whereas most symptoms characteristic of schizophrenia do not appear before early adulthood. We investigated whether overlap in common genetic influences between these clinical conditions and impairments in social communication depends on the developmental stage of the assessed trait...
January 3, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28042663/all-our-sons-the-developmental-neurobiology-and-neuroendocrinology-of-boys-at-risk
#8
Allan N Schore
Why are boys at risk? To address this question, I use the perspective of regulation theory to offer a model of the deeper psychoneurobiological mechanisms that underlie the vulnerability of the developing male. The central thesis of this work dictates that significant gender differences are seen between male and female social and emotional functions in the earliest stages of development, and that these result from not only differences in sex hormones and social experiences but also in rates of male and female brain maturation, specifically in the early developing right brain...
January 2017: Infant Mental Health Journal
https://www.readbyqxmd.com/read/28005578/paliperidone-palmitate-once-monthly-treatment-in-recent-onset-and-chronic-illness-patients-with-schizoaffective-disorder
#9
Cynthia A Bossie, Ibrahim Turkoz, Larry Alphs, Lucy Mahalchick, Dong-Jing Fu
Data from a multiphase schizoaffective disorder study (NCT01193153) were used to examine the effects of paliperidone palmitate once-monthly (PP1M) by subjects' illness duration, defined as recent onset (≤5 years since first psychiatric diagnosis; n = 206) and chronic illness (>5 years; n = 461). Symptom and functioning scores, as measured during open-label PP1M acute and stabilization treatment phases, improved in both subpopulations, with greater improvements in recent onset than chronic illness subjects (p ≤ 0...
December 21, 2016: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28003912/reduced-%C3%AE-aminobutyric-acid-and-glutamate-glutamine-levels-in-drug-na%C3%A3-ve-patients-with-first-episode-schizophrenia-but-not-in-those-at-ultrahigh-risk
#10
Junjie Wang, Yingying Tang, Tianhong Zhang, Huiru Cui, Lihua Xu, Botao Zeng, Yu Li, Gaiying Li, Chunbo Li, Hui Liu, Zheng Lu, Jianye Zhang, Jijun Wang
Altered γ-aminobutyric acid (GABA), glutamate (Glu) levels, and an imbalance between GABAergic and glutamatergic neurotransmissions have been involved in the pathophysiology of schizophrenia. However, it remains unclear how these abnormalities impact the onset and course of psychosis. In the present study, 21 drug-naïve subjects at ultrahigh risk for psychosis (UHR), 16 drug-naïve patients with first-episode schizophrenia (FES), and 23 healthy controls (HC) were enrolled. In vivo GABA and glutamate+glutamine (Glx) levels in the medial prefrontal cortex were measured using proton magnetic resonance spectroscopy...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27995059/working-memory-circuit-as-a-function-of-increasing-age-in-healthy-adolescence-a-systematic-review-and-meta-analyses
#11
Julia Andre, Marco Picchioni, Ruibin Zhang, Timothea Toulopoulou
Working memory ability matures through puberty and early adulthood. Deficits in working memory are linked to the risk of onset of neurodevelopmental disorders such as schizophrenia, and there is a significant temporal overlap between the peak of first episode psychosis risk and working memory maturation. In order to characterize the normal working memory functional maturation process through this critical phase of cognitive development we conducted a systematic review and coordinate based meta-analyses of all the available primary functional magnetic resonance imaging studies (n = 382) that mapped WM function in healthy adolescents (10-17 years) and young adults (18-30 years)...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27992258/challenges-in-the-psychopharmacological-management-of-very-early-onset-schizophrenia-and-anxiety
#12
Askar Mehdi, Brian C Schweinsburg, Asima Zehgeer, Daniel F Connor, Maxwell J Luber, Barbara J Coffey
No abstract text is available yet for this article.
December 2016: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/27978770/the-20-year-longitudinal-trajectories-of-social-functioning-in-individuals-with-psychotic-disorders
#13
Eva Velthorst, Anne-Kathrin J Fett, Avraham Reichenberg, Greg Perlman, Jim van Os, Evelyn J Bromet, Roman Kotov
OBJECTIVE: Social impairment is a long-recognized core feature of schizophrenia and is common in other psychotic disorders. Still, to date the long-term trajectories of social impairment in psychotic disorders have rarely been studied systematically. METHODS: Data came from the Suffolk County Mental Health Project, a 20-year prospective study of first-admission patients with psychotic disorders. A never-psychotic comparison group was also assessed. Latent class growth analysis was applied to longitudinal data on social functioning from 485 respondents with schizophrenia spectrum disorders and psychotic mood disorders, and associations of the empirically derived trajectories with premorbid social adjustment, diagnosis, and 20-year outcomes were examined...
December 16, 2016: American Journal of Psychiatry
https://www.readbyqxmd.com/read/27951481/relatives-expressed-emotion-distress-and-attributions-in-clinical-high-risk-and-recent-onset-of-psychosis
#14
Tecelli Domínguez-Martínez, Cristina Medina-Pradas, Thomas R Kwapil, Neus Barrantes-Vidal
It has been well-demonstrated that Expressed Emotion (EE) in caregivers of schizophrenia patients is related to their illness attributions, but little is known about relatives' cognitive and emotional appraisals at early stages of psychosis. This study examined differences on the relationships of EE with distress and illness attributions in 78 relatives of At-Risk Mental States (ARMS) and First-Episode of Psychosis (FEP) patients, and which of those variables better predicted EE. Criticism and Emotional Over-Involvement (EOI) were associated with distress and with several illness attributions in both groups...
January 2017: Psychiatry Research
https://www.readbyqxmd.com/read/27932233/schizophrenia-risk-alleles-and-neurodevelopmental-outcomes-in-childhood-a-population-based-cohort-study
#15
Lucy Riglin, Stephan Collishaw, Alexander Richards, Ajay K Thapar, Barbara Maughan, Michael C O'Donovan, Anita Thapar
BACKGROUND: Schizophrenia typically onsets after puberty but is often preceded by observable childhood neurodevelopmental impairments. Whether these childhood antecedents index genetic liability is unknown. We used polygenic risk scores derived from a patient discovery sample as indicators of the genetic liability of schizophrenia. Our aim was to identify the early childhood manifestations of this liability in a UK population-based cohort. METHODS: The study sample was the Avon Longitudinal Study of Parents and Children, a prospective population-based cohort study of 14701 children...
January 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/27898171/hormesis-cellular-stress-response-and-neuroinflammation-in-schizophrenia-early-onset-versus-late-onset-state
#16
REVIEW
Vittorio Calabrese, James Giordano, Rosalia Crupi, Rosanna Di Paola, Martino Ruggieri, Rio Bianchini, Maria Laura Ontario, Salvatore Cuzzocrea, Edward J Calabrese
Abnormal redox homeostasis and oxidative stress have been proposed to play a role in the etiology of several neuropsychiatric spectrum disorders. Emerging interest has recently focused on markers of oxidative stress and neuroinflammation in schizophrenic spectrum disorders, at least in particular subgroups of patients. Altered expression of genes related to oxidative stress, oxidative damage to DNA, protein and lipids, as well as reduced glutathione levels in central and peripheral tissues could act synergistically, and contribute to the course of the disease...
November 29, 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27892953/thalamic-mir-338-3p-mediates-auditory-thalamocortical-disruption-and-its-late-onset-in-models-of-22q11-2-microdeletion
#17
Sungkun Chun, Fei Du, Joby J Westmoreland, Seung Baek Han, Yong-Dong Wang, Donnie Eddins, Ildar T Bayazitov, Prakash Devaraju, Jing Yu, Marcia M Mellado Lagarde, Kara Anderson, Stanislav S Zakharenko
Although 22q11.2 deletion syndrome (22q11DS) is associated with early-life behavioral abnormalities, affected individuals are also at high risk for the development of schizophrenia symptoms, including psychosis, later in life. Auditory thalamocortical (TC) projections recently emerged as a neural circuit that is specifically disrupted in mouse models of 22q11DS (hereafter referred to as 22q11DS mice), in which haploinsufficiency of the microRNA (miRNA)-processing-factor-encoding gene Dgcr8 results in the elevation of the dopamine receptor Drd2 in the auditory thalamus, an abnormal sensitivity of thalamocortical projections to antipsychotics, and an abnormal acoustic-startle response...
January 2017: Nature Medicine
https://www.readbyqxmd.com/read/27889384/reduced-superoxide-dismutase-1-sod1-in-cerebrospinal-fluid-of-patients-with-early-psychosis-in-association-with-clinical-features
#18
Jennifer M Coughlin, Lindsay N Hayes, Teppei Tanaka, Meifang Xiao, Robert H Yolken, Paul Worley, F Markus Leweke, Akira Sawa
Oxidative stress is implicated in the underlying pathophysiology of psychosis from studies of animal models and of tissues obtained from patients. Superoxide dismutase 1 (SOD1) is an antioxidant responsible for reducing free radicals. SOD1 levels in cerebrospinal fluid (CSF) reportedly correlate with those in brain. We hypothesized that patients in early-stages of psychotic disease may have altered SOD1 in CSF compared to healthy controls. We previously reported in a pilot study that SOD1 levels in CSF of patients with recent onset schizophrenia (SZ) were lower compared to healthy controls...
November 23, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27873559/educational-achievement-in-psychiatric-patients-and-their-siblings-a-register-based-study-in-30-000-individuals-in-the-netherlands
#19
W M Tempelaar, F Termorshuizen, J H MacCabe, M P M Boks, R S Kahn
BACKGROUND: Poor educational achievement is associated with a range of psychiatric disorders. Several studies suggest that this underperformance is due to cognitive deficits that commence before disease onset and reflect a genetic risk for this disorder. However, the specificity and the familial contribution of this cognitive deficit are not clear. We analysed lifetime educational achievement of psychiatric patients diagnosed with schizophrenia, bipolar or depressive disorder and their unaffected siblings...
November 22, 2016: Psychological Medicine
https://www.readbyqxmd.com/read/27856682/capturing-schizophrenia-like-prodromal-symptoms-in-a-spinocerebellar-ataxia-17-transgenic-rat
#20
Davide Amato, Fabio Canneva, Huu Phuc Nguyen, Peter Bauer, Olaf Riess, Stephan von Hörsten, Christian P Müller
RATIONALE: The polyglutamine disease spinocerebellar ataxia type 17 (SCA17) is a neurodegenerative disease leading to severe neurological symptoms during development. Additionally, patients affected by SCA17 display psychosis earlier than their motor disorders. OBJECTIVE: Here the putative psychotic phenotype and endophenotype of transgenic SCA17 rats was examined. METHODS: The expression of schizophrenia-like symptoms was evaluated over a longitudinal period before and after the onset of neurological symptoms in SCA17...
November 8, 2016: Journal of Psychopharmacology
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