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schizophrenia,research papers

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https://www.readbyqxmd.com/read/29324666/mapping-the-schizophrenia-genes-by-neuroimaging-the-opportunities-and-the-challenges
#1
REVIEW
Ayla Arslan
Schizophrenia (SZ) is a heritable brain disease originating from a complex interaction of genetic and environmental factors. The genes underpinning the neurobiology of SZ are largely unknown but recent data suggest strong evidence for genetic variations, such as single nucleotide polymorphisms, making the brain vulnerable to the risk of SZ. Structural and functional brain mapping of these genetic variations are essential for the development of agents and tools for better diagnosis, treatment and prevention of SZ...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29311665/hippocampal-dysfunction-in-the-pathophysiology-of-schizophrenia-a-selective-review-and-hypothesis-for-early-detection-and-intervention
#2
J A Lieberman, R R Girgis, G Brucato, H Moore, F Provenzano, L Kegeles, D Javitt, J Kantrowitz, M M Wall, C M Corcoran, S A Schobel, S A Small
Scientists have long sought to characterize the pathophysiologic basis of schizophrenia and develop biomarkers that could identify the illness. Extensive postmortem and in vivo neuroimaging research has described the early involvement of the hippocampus in the pathophysiology of schizophrenia. In this context, we have developed a hypothesis that describes the evolution of schizophrenia-from the premorbid through the prodromal stages to syndromal psychosis-and posits dysregulation of glutamate neurotransmission beginning in the CA1 region of the hippocampus as inducing attenuated psychotic symptoms and initiating the transition to syndromal psychosis...
January 9, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29251442/the-use-of-van-kaam-s-psychophenomenological-method-to-interpret-the-meaning-of-resilience-in-the-experiences-of-people-with-schizophrenia
#3
Sue Sumskis, Lorna Jane Moxham
BACKGROUND: Phenomenology is a suitable method for investigating people's experiences and van Kaam's psychophenomenological model (PPM) is increasingly being used in nursing research. AIM: To describe the use of PPM to interpret the meaning of resilience in the experiences of people with schizophrenia. DISCUSSION: Semi-structured interviews were conducted with a purposive sample of 14 people with schizophrenia. Analysis of data conformed to van Kaam's PPM...
December 18, 2017: Nurse Researcher
https://www.readbyqxmd.com/read/29248628/systematic-review-of-smartphone-based-passive-sensing-for-health-and-wellbeing
#4
REVIEW
Victor P Cornet, Richard J Holden
OBJECTIVE: To review published empirical literature on the use of smartphone-based passive sensing for health and wellbeing. MATERIAL AND METHODS: A systematic review of the English language literature was performed following PRISMA guidelines. Papers indexed in computing, technology, and medical databases were included if they were empirical, focused on health and/or wellbeing, involved the collection of data via smartphones, and described the utilized technology as passive or requiring minimal user interaction...
December 14, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29219634/using-molecular-imaging-to-understand-early-schizophrenia-related-psychosis-neurochemistry-a-review-of-human-studies
#5
Christin Schifani, Sina Hafizi, Tania Da Silva, Jeremy Joseph Watts, M Saad Khan, Romina Mizrahi
Schizophrenia is a chronic psychiatric disorder generally preceded by a so-called prodromal phase, which is characterized by attenuated psychotic symptoms. Advances in clinical research have enabled prospective identification of those individuals who are at clinical high risk (CHR) for psychosis, with the power to predict psychosis onset within the near future. Changes in several brain neurochemical systems and molecular mechanisms are implicated in the pathophysiology of schizophrenia and the psychosis spectrum, including the dopaminergic, γ-aminobutyric acid (GABA)-ergic, glutamatergic, endocannabinoid, and immunologic (i...
December 8, 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/29209193/human-avatar-symbiosis-for-the-treatment-of-auditory-verbal-hallucinations-in-schizophrenia-through-virtual-augmented-reality-and-brain-computer-interfaces
#6
Antonio Fernández-Caballero, Elena Navarro, Patricia Fernández-Sotos, Pascual González, Jorge J Ricarte, José M Latorre, Roberto Rodriguez-Jimenez
This perspective paper faces the future of alternative treatments that take advantage of a social and cognitive approach with regards to pharmacological therapy of auditory verbal hallucinations (AVH) in patients with schizophrenia. AVH are the perception of voices in the absence of auditory stimulation and represents a severe mental health symptom. Virtual/augmented reality (VR/AR) and brain computer interfaces (BCI) are technologies that are growing more and more in different medical and psychological applications...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/29201010/microglia-and-brain-plasticity-in-acute-psychosis-and-schizophrenia-illness-course-a-meta-review
#7
REVIEW
Livia J De Picker, Manuel Morrens, Steven A Chance, Delphine Boche
Objective: Schizophrenia poses a tremendous health, social, and economic burden upon patients and society, indicating current treatment options remain inadequate. Recent findings from several lines of evidence have pointed to the importance of immune system involvement in not only premorbid neurodevelopmental but also subsequent symptom generation and aging processes of brain change in schizophrenia. In this meta-review, we use the summarized evidence from recent quantitative systematic reviews (SRs) and meta-analyses of several subspecialties to critically evaluate the hypothesis that immune-related processes shape the symptomatic presentation and illness course of schizophrenia, both directly and indirectly through altered neuroplasticity...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29197196/analysis-of-the-prevalence-of-mental-disorders-in-psoriasis-the-relevance-of-psychiatric-assessment-in-dermatology
#8
Bárbara Roque Ferreira, José Luís Pio-Abreu, José Pedro Reis, Américo Figueiredo
BACKGROUND: The boundary between Dermatology and Psychiatry has increasing recognition. Psoriasis is a common psychophysiological skin disease with a major impact on patient's quality of life and a paradigmatic example of a pathology in that boundary. Studies are needed to exactly point out the prevalence of specific psychopathology and mental disorders associated with psoriasis. This work intends to analyse the prevalence of psychopathology and psychiatric comorbidities in patients with psoriasis...
December 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/29175199/towards-a-neurodynamical-understanding-of-the-prodrome-in-schizophrenia
#9
REVIEW
E Mikanmaa, T Grent-'t-Jong, Hua Lingling, M Recasens, H Thune, Peter J Uhlhaas
The identification of biomarkers for the early diagnosis of schizophrenia that could inform novel treatment developments is an important objective of current research. This paper will summarize recent work that has investigated changes in oscillatory activity and event-related potentials with Electro/Magnetoencephalography (EEG/MEG) in participants at high-risk for the development of schizophrenia, highlighting disruptions in sensory and cognitive operations prior to the onset of the syndrome. Changes in EEG/MEG-data are consistent with evidence for alterations in Glutamatergic and GABAergic neurotransmission as disclosed by Magnetic Resonance Spectroscopy and brain stimulation, indicating changes in Excitation/Inhibition Parameters prior to the onset of psychosis...
November 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/29152847/a-case-study-in-identifying-targeted-patients-population-in-major-depressive-disorder-by-enhanced-enrichment-design
#10
Peter Zhang, Kevin Carroll, Mary Hobart, Carole Augustine, Gary Koch
Despite advances in clinical trial design, failure rates near 80% in phase 2 and 50% in phase 3 have recently been reported. The challenges to successful drug development are particularly acute in central nervous system trials such as for pain, schizophrenia, mania, and depression because high-placebo response rates lessen assay sensitivity, diminish estimated treatment effect sizes, and thereby decrease statistical power. This paper addresses the importance of rigorous patient selection in major depressive disorder trials through an enhanced enrichment paradigm...
November 19, 2017: Pharmaceutical Statistics
https://www.readbyqxmd.com/read/29147729/regulation-of-human-research-with-lsd-in-the-united-states-1949-1987
#11
REVIEW
Katherine R Bonson
Human research with hallucinogens such as lysergic acid diethylamide (LSD) has been ongoing in the USA since 1949. During the 1960s, LSD was investigated for a variety of psychiatric indications, including the following: as an aid in treatment of schizophrenia; as a means of creating a "model psychosis"; as a direct antidepressant; and as an adjunct to psychotherapy. Studies with all drugs, including LSD, have always been conducted under federal regulatory controls, including the 1938 Food Drug and Cosmetic Act (FDCA; which ensured the safety of drugs) and the 1962 Kefauver-Harris Amendments to the FDCA (which described appropriate scientific methodology and ensured drug efficacy)...
November 17, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29135443/continuous-maintenance-antipsychotic-treatment-in-schizophrenia
#12
Róbert Herold, György Szekeres, István Bitter
During recent years concerns have been raised about the long-term cumulative and potentially negative impact of continuous maintenance antipsychotic treatment of schizophrenia on the human body, especially on the central nervous system. This paper aims at providing a summary of literature data on continuous maintenance treatment for practicing physicians. The results show that continuous maintenance antipsychotic treatment can significantly decrease the risk of relapses and improve the long-term outcome in schizophrenia...
2017: Psychiatria Hungarica: A Magyar Pszichiátriai Társaság Tudományos Folyóirata
https://www.readbyqxmd.com/read/29097123/epilepsy-as-a-network-disorder-2-what-can-we-learn-from-other-network-disorders-such-as-dementia-and-schizophrenia-and-what-are-the-implications-for-translational-research
#13
REVIEW
Helen E Scharfman, Andres M Kanner, Alon Friedman, Ingmar Blümcke, Candice E Crocker, Fernando Cendes, Ramon Diaz-Arrastia, Hans Förstl, André A Fenton, Anthony A Grace, Jorge Palop, Jason Morrison, Astrid Nehlig, Asuri Prasad, Karen S Wilcox, Nathalie Jette, Bernd Pohlmann-Eden
There is common agreement that many disorders of the central nervous system are 'complex', that is, there are many potential factors that influence the development of the disease, underlying mechanisms, and successful treatment. Most of these disorders, unfortunately, have no cure at the present time, and therapeutic strategies often have debilitating side effects. Interestingly, some of the 'complexities' of one disorder are found in another, and the similarities are often network defects. It seems likely that more discussions of these commonalities could advance our understanding and, therefore, have clinical implications or translational impact...
October 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29076240/negative-symptoms-of-psychosis-a-life-course-approach-and-implications-for-prevention-and-treatment
#14
REVIEW
John Lyne, Brian O'Donoghue, Eric Roche, Laoise Renwick, Mary Cannon, Mary Clarke
AIM: Negative symptoms are a cause of enduring disability in serious mental illness. In spite of this, the development of effective treatments for negative symptoms has remained slow. The challenge of improving negative symptom outcomes is compounded by our limited understanding of their aetiology and longitudinal development. METHODS: A literature search was conducted for life course approach of negative symptoms using PubMed. Further articles were included following manual checking of reference lists and other search strategies...
October 27, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/29067549/relationship-of-bipolar-disorder-with-psychiatric-comorbidity-in-the-postpartum-period-a-scoping-review
#15
REVIEW
Verinder Sharma
Childbirth can trigger a variety of psychiatric disorders; however, no disorder is as profoundly affected by childbirth as bipolar disorder. Rates of psychiatric comorbidity especially anxiety disorders, obsessive compulsive disorder, and substance use disorders are quite high in individuals with bipolar disorder. The purpose of this scoping review is to ascertain the effect of childbirth on the relationship between the onset of bipolar disorder and comorbid psychiatric disorders. On June 27, 2017, a search of the Medline, PsycINFO, CINHAL, EMBASE, SCOPUS, COCHRANE, and ISI-Web of Science (WOS) databases was performed using the terms mental disorders, mental disease, major depressive disorder, major depression, depression, panic disorder, bipolar disorder, comorbidity, anxiety disorders, obsessive compulsive disorder, post-traumatic stress disorder, schizophrenia, eating disorders, reactive attachment disorder, childbirth, parturition, puerperium, postpartum, postpartum period and postnatal period...
October 24, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/29037342/-pharmacological-treatment-of-apathy-in-parkinson-s-disease-a-systematic-review-of-the-literature
#16
Jorge Carlos Holguín Lew, Jessica Caamaño Jaraba, Alejandra Gómez Alzate, Catalina Hidalgo López, Daniel Felipe Marino Mondragón, Sebastián Restrepo Moreno, Liz Evelin Rico Abella
INTRODUCTION AND OBJECTIVES: Apathy, defined as a deficit for initiating and maintaining action, is a symptom affecting patients with diverse psychiatric and neuropsychiatric diseases, including dementia, sequelae of traumatic brain injury, schizophrenia, depression, and Parkinson's disease (PD). Apathy negatively affects function and quality of life of PD patients, and it is an important cause of caregiver's distress. The pharmacological treatment of apathy in PD is the focus of this systematic review...
October 2017: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/28971725/transcranial-sonography-in-psychiatry-as-a-potential-tool-in-diagnosis-and-research
#17
Carsten Drepper, Julia Geißler, Giuseppe Pastura, Rezzak Yilmaz, Daniela Berg, Marcel Romanos, Manfred Gerlach
Objectives During the last two decades' transcranial sonography (TCS) of the brain parenchyma evolved from a pure research tool to a clinical relevant neuroimaging method especially in Parkinson's disease and related movement disorders. The aim of this systematic review is to update and summarize the published TCS findings in psychiatric disorders and critically address the question whether TCS may be a valuable tool for the diagnosis or differential diagnosis of psychiatric disorders similarly to the field of movement disorders...
October 3, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28927969/comparison-of-metabolic-syndrome-prevalence-in-patients-with-schizophrenia-and-bipolar-i-disorder
#18
Razieh Nayerifard, Majid Akbari Bureng, Alireza Zahiroddin, Massood Namjoo, Sepideh Rajezi
Research has shown that the metabolic syndrome is more prevalent among patients with schizophrenia or bipolar I disorder. Given the scarcity of research on the disorders, this paper aims to compare the prevalence of the syndrome among the two groups of patients. METHODS: A total of 120 individuals participated in this cross sectional study: 60 patients with schizophrenia (26 males and 34 females) and 60 patients with bipolar I disorder (32 males and 28 females). The psychological disorders were diagnosed by some experienced psychiatrists according to the DSM-V...
May 4, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28924869/the-educational-potential-of-youtube
#19
Haley T Godwin, Murtaza Khan, Peter Yellowlees
OBJECTIVE: The objective of this paper was to examine the educational potential and effectiveness of a 3 min video clip of a simulation of schizophrenia published online at YouTube. METHOD: Researchers examined the 267 public comments published on the video-sharing website YouTube over 8 years by viewers of a schizophrenia simulation video titled "virtual hallucinations" made in the Second Life game platform. Comments were independently categorized into six groupings, then cooperatively finalized, and qualitatively analyzed...
September 18, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28924187/the-ipsych2012-case-cohort-sample-new-directions-for-unravelling-genetic-and-environmental-architectures-of-severe-mental-disorders
#20
C B Pedersen, J Bybjerg-Grauholm, M G Pedersen, J Grove, E Agerbo, M Bækvad-Hansen, J B Poulsen, C S Hansen, J J McGrath, T D Als, J I Goldstein, B M Neale, M J Daly, D M Hougaard, O Mors, M Nordentoft, A D Børglum, T Werge, P B Mortensen
The Integrative Psychiatric Research (iPSYCH) consortium has established a large Danish population-based Case-Cohort sample (iPSYCH2012) aimed at unravelling the genetic and environmental architecture of severe mental disorders. The iPSYCH2012 sample is nested within the entire Danish population born between 1981 and 2005, including 1 472 762 persons. This paper introduces the iPSYCH2012 sample and outlines key future research directions. Cases were identified as persons with schizophrenia (N=3540), autism (N=16 146), attention-deficit/hyperactivity disorder (N=18 726) and affective disorder (N=26 380), of which 1928 had bipolar affective disorder...
September 19, 2017: Molecular Psychiatry
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