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https://www.readbyqxmd.com/read/28089135/phenotypic-continuum-between-autism-and-schizophrenia-evidence-from-the-movie-for-the-assessment-of-social-cognition-masc
#1
Gilles Martinez, Charlotte Alexandre, Célia Mam-Lam-Fook, Narjes Bendjemaa, Raphaël Gaillard, Patricia Garel, Isabel Dziobek, Isabelle Amado, Marie-Odile Krebs
Schizophrenic (SCZ) and autism (ASD) spectrum disorders share several features including social cognition impairments. In SCZ, the link between symptomatic dimensions and social cognition deficits remains unclear. The Movie for the Assessment of Social Cognition (MASC) test, available in several languages including English, investigates mental state attribution capabilities in complex interpersonal situations. After its translation into French, we used MASC to direct compare social cognition in 36 young participants with SCZ to 19 with ASD and 20 healthy controls (HC) matched for gender, age (18-25y...
January 11, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28081145/probing-the-association-between-early-evolutionary-markers-and-schizophrenia
#2
Saurabh Srinivasan, Francesco Bettella, Sahar Hassani, Yunpeng Wang, Aree Witoelar, Andrew J Schork, Wesley K Thompson, David A Collier, Rahul S Desikan, Ingrid Melle, Anders M Dale, Srdjan Djurovic, Ole A Andreassen
Schizophrenia is suggested to be a by-product of the evolution in humans, a compromise for our language, creative thinking and cognitive abilities, and thus, essentially, a human disorder. The time of its origin during the course of human evolution remains unclear. Here we investigate several markers of early human evolution and their relationship to the genetic risk of schizophrenia. We tested the schizophrenia evolutionary hypothesis by analyzing genome-wide association studies of schizophrenia and other human phenotypes in a statistical framework suited for polygenic architectures...
2017: PloS One
https://www.readbyqxmd.com/read/28032254/white-matter-correlates-of-the-disorganized-speech-dimension-in-schizophrenia
#3
Petra V Viher, Katharina Stegmayer, Stéphanie Giezendanner, Andrea Federspiel, Stephan Bohlhalter, Roland Wiest, Werner Strik, Sebastian Walther
Disorganized speech is related to functional abnormalities in schizophrenia. To test the association between formal thought disorders (FTDs) and white matter microstructure, we applied a behavioral rating and diffusion tensor imaging in 61 patients with schizophrenia spectrum disorders. The Bern Psychopathology Scale was used to rate the dimension of language abnormalities ranging from negative FTDs, basically unaltered speech, to positive FTDs. Tract-based spatial statistics indicated increased fractional anisotropy in left hemispheric pathways of the language system in patients with negative FTDs...
December 28, 2016: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28025777/brain-development-and-akt-signaling-the-crossroads-of-signaling-pathway-and-neurodevelopmental-diseases
#4
REVIEW
Long Wang, Kai Zhou, Zhi Fu, Di Yu, Hesuyuan Huang, Xiaodong Zang, Xuming Mo
Neurodevelopmental biology, coupled with the application of advanced histological, imaging, molecular, cellular, biochemical, and genetic approaches, has provided new insights into these intricate genetic, cellular, and molecular events. During telencephalic development, specific neural progenitor cells (NPCs) proliferate, differentiate into numerous cell types, migrate to their apposite positions, and form an integrated circuitry. Critical disturbance to this dynamic process via genetic and environmental risk can cause neurological disorders and disability...
December 26, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28024236/cerebral-blood-flow-and-its-connectivity-features-of-auditory-verbal-hallucinations-in-schizophrenia-a-perfusion-study
#5
Long-Biao Cui, Gang Chen, Zi-Liang Xu, Lin Liu, Hua-Ning Wang, Li Guo, Wen-Ming Liu, Ting-Ting Liu, Shun Qi, Kang Liu, Wei Qin, Jin-Bo Sun, Yi-Bin Xi, Hong Yin
The goal of the study was to investigate cerebral blood flow (CBF) and its connectivity (an across-subject covariance measure) patterns of schizophrenia (SZ) patients with auditory verbal hallucinations (AVHs). A total of demographically matched 25 SZ patients with AVHs, 25 without AVHs, and 25 healthy controls (HCs) underwent resting state perfusion imaging using a pulsed arterial spin labeling sequence. CBF and its connectivity were analyzed and then CBF topological properties were calculated. AVHs patients exhibited decreased CBF in the bilateral superior and middle frontal gyri and postcentral gyri, and right supplementary motor area compared with SZ patients without AVHs...
December 11, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28013441/pragmatic-competency-and-obsessive-compulsive-disorder-a-comparative-assessment-with-normal-controls
#6
Shima Ghahari, Hamidreza Hassani, Maryam Purmofrad
Unlike such cognitive impairments as autism and schizophrenia, the speech pattern in obsessive-compulsive disorder (OCD) has largely remained underrepresented. We examined the pragmatic competence of OCD-affected individuals under two variant modes: pragmatic recognition and pragmatic production. In the recognition phase, the informants completed a discourse completion test around two speech acts of request and apology (20 high power distance situations). The production phase was carried out through an interview during which the informants' communication behaviors were rated on the basis of the Orion's pragmatic language skills checklist (OPLS) subscales...
December 24, 2016: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/28012423/lateralization-of-intrinsic-frontoparietal-network-connectivity-and-symptoms-in-schizophrenia
#7
Shuraku Son, Jun Miyata, Yasuo Mori, Masanori Isobe, Shin-Ichi Urayama, Toshihiko Aso, Hidenao Fukuyama, Toshiya Murai, Hidehiko Takahashi
It has been frequently reported that schizophrenia patients have reduced functional lateralization in the areas related to language processing. Furthermore, there is evidence supporting that schizophrenia patients have disrupted functional connectivity in the bilateral frontoparietal networks (FPNs), of which the left is strongly associated with a cognition-language paradigm, using resting-state functional magnetic resonance imaging (rsfMRI). To examine the laterality of resting-state functional connectivity in schizophrenia, we investigated the bilateral FPNs...
December 16, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28010158/abnormalities-of-language-pathways-in-schizophrenia-patients-with-and-without-a-lifetime-history-of-auditory-verbal-hallucinations-a-dti-based-tractography-study
#8
Elise Leroux, Nicolas Delcroix, Sonia Dollfus
OBJECTIVES: Auditory verbal hallucinations (AVHs) are frequently observed in patients with schizophrenia and could be the result of white matter (WM) fibre abnormalities involved in speech production/comprehension and perception. We evaluated WM integrity changes in schizophrenia with (SZ+) and without (SZ-) lifetime AVHs compared to healthy controls, using diffusion tensor imaging-based tractography, with a novel focus on the structural connectivity within both intra- and interhemispheric fasciculi...
December 23, 2016: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/27995063/integrity-of-the-arcuate-fasciculus-in-patients-with-schizophrenia-with-auditory-verbal-hallucinations-a-dti-tractography-study
#9
Marion Psomiades, Clara Fonteneau, Marine Mondino, David Luck, Frederic Haesebaert, Marie-Françoise Suaud-Chagny, Jerome Brunelin
Auditory verbal hallucinations (AVH) of schizophrenia are associated with a disrupted connectivity between frontal and temporoparietal language areas. We hypothesized that this dysconnectivity is underpinned by white matter abnormalities in the left arcuate fasciculus, the main fiber bundle connecting speech production and perception areas. We therefore investigated the relationship between AVH severity and the integrity of the arcuate fasciculus measured by diffusion tensor imaging (DTI) tractography in patients with schizophrenia...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27987221/active-and-placebo-transcranial-magnetic-stimulation-effects-on-external-and-internal-auditory-hallucinations-of-schizophrenia
#10
M-L Paillère-Martinot, A Galinowski, M Plaze, J Andoh, D Bartrés-Faz, F Bellivier, J-P Lefaucheur, D Rivière, T Gallarda, J-L Martinot, E Artiges
OBJECTIVE: Repetitive transcranial magnetic stimulation (rTMS) over the left temporo-parietal region has been proposed as a treatment for resistant auditory verbal hallucinations (AVH), but which patients are more likely to benefit from rTMS is still unclear. This study sought to assess the effects of rTMS on AVH, with a focus on hallucination phenomenology. METHOD: Twenty-seven patients with schizophrenia and medication-resistant AVH participated to a randomized, double-blind, placebo-controlled, add-on rTMS study...
December 16, 2016: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/27932233/schizophrenia-risk-alleles-and-neurodevelopmental-outcomes-in-childhood-a-population-based-cohort-study
#11
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/27929229/the-mental-status-examination
#12
David Norris, Molly S Clark, Sonya Shipley
The mental status examination includes general observations made during the clinical encounter, as well as specific testing based on the needs of the patient and physician. Multiple cognitive functions may be tested, including attention, executive functioning, gnosia, language, memory, orientation, praxis, prosody, thought content, thought processes, and visuospatial proficiency. Proprietary and open-source clinical examination tools are available, such as the Mini-Mental State Examination and the Mini-Cog...
October 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27891433/the-clinical-presentation-and-outcome-of-the-institutionalized-wandering-mentally-ill-in-india
#13
Gaurav Singh, Nilima Shah, Ritambhara Mehta
INTRODUCTION: There are estimated 400,000 wandering mentally ill persons in India, found in poor physical state wandering on streets and railway stations; mainly treated either by government run Hospitals for Mental Health (HMH) or Psychiatry units of a Government Medical College (GMC). They require psychosocial rehabilitation along with treatment. AIM: To study the presentation, clinical profile and rehabilitative outcome of wandering mentally ill admitted in government psychiatric care facilities...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888976/the-variability-of-nursing-attitudes-toward-mental-illness-an-integrative-review
#14
REVIEW
Krystyna de Jacq, Allison Andreno Norful, Elaine Larson
Mental illnesses are common worldwide, and nurses' attitudes toward mental illness have an impact on the care they deliver. This integrative literature review focused on nurses' attitudes toward mental illness. Four databases were searched between January 1, 1995 to October 31, 2015 selecting studies, which met the following inclusion criteria: 1) English language; and 2) Research in which the measured outcome was nurses' attitudes toward mental illness. Fourteen studies conducted across 20 countries that 4282 participants met the inclusion criteria...
December 2016: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/27884751/a-systematic-review-of-the-effect-of-cannabidiol-on-cognitive-function-relevance-to-schizophrenia
#15
REVIEW
Ashleigh L Osborne, Nadia Solowij, Katrina Weston-Green
BACKGROUND AND OBJECTIVES: Cognitive impairment is a core symptom domain of schizophrenia, neurological disorders and substance abuse. It is characterised by deficits in learning, memory, attention and executive functioning and can severely impact daily living. Antipsychotic drugs prescribed to treat schizophrenia provide limited cognitive benefits and novel therapeutic targets are required. Cannabidiol (CBD), a component of the cannabis plant, has anti-inflammatory and antipsychotic-like properties; however, its ability to improve cognitive impairment has not been thoroughly explored...
January 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27881919/posttraumatic-stress-and-depression-in-yazidi-refugees
#16
Serhat Nasıroğlu, Veysi Çeri
AIM: The aim of this investigation was to determine the frequency of mental pathologies in children and adolescents of the Yazidi minority group who immigrated to Turkey from Iraq. The refugees were asked about preventive and risk factors that occurred before and after their immigration. SUBJECTS AND METHODS: The sample comprised 55 children and adolescents (30 males and 25 females) who were Yazidi refugees and had settled in the Uçkuyular, Oğuz, Onbaşı, and Uğurca villages of Batman, Turkey...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27859903/corticostriatal-connectivity-fingerprints-probability-maps-based-on-resting-state-functional-connectivity
#17
Ellen Jaspers, Joshua H Balsters, Pegah Kassraian Fard, Dante Mantini, Nicole Wenderoth
Over the last decade, structure-function relationships have begun to encompass networks of brain areas rather than individual structures. For example, corticostriatal circuits have been associated with sensorimotor, limbic, and cognitive information processing, and damage to these circuits has been shown to produce unique behavioral outcomes in Autism, Parkinson's Disease, Schizophrenia and healthy ageing. However, it remains an open question how abnormal or absent connectivity can be detected at the individual level...
November 12, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27853371/the-ncan-gene-schizophrenia-susceptibility-and-cognitive-dysfunction
#18
Peirong Wang, Jun Cai, Jianliang Ni, Jiangtao Zhang, Wei Tang, Chen Zhang
BACKGROUND: Cognitive dysfunction has been recognized as a cardinal feature of schizophrenia. Elucidating the neurobiological substrates of cognitive dysfunction in schizophrenia would help identify the underlying mechanism of this disorder. The rs1064395 single nucleotide polymorphism, within the gene encoding neurocan (NCAN), is reported to be associated with schizophrenia in European populations and may influence brain structure in patients with schizophrenia. METHODS: In this study, we aimed to explore whether NCAN rs1064395 confers some risk for schizophrenia and cognitive dysfunction in Han Chinese...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27826194/validation-of-the-chinese-version-of-brief-assessment-of-cognition-in-schizophrenia
#19
Liang-Jen Wang, Pao-Yen Lin, Yu Lee, Yu-Chi Huang, Su-Ting Hsu, Chi-Fa Hung, Chih-Ken Chen, Yi-Chih Chen, Ya-Ling Wang, Ming-Che Tsai
OBJECTIVE: A test battery that measures cognitive function impairment in patients with schizophrenia, the Brief Assessment of Cognition in Schizophrenia (BACS), has been translated into various languages and validated. This study aimed to test the reliability and validity of the Chinese version of the BACS in a Chinese-speaking population. METHODS: All participants in this study (66 patients with schizophrenia [mean age: 41.2 years, 57.6% male] and 66 age- and sex-matched healthy controls) were from Taiwan and assessed using the BACS and the University of California, San Diego (UCSD) Performance-Based Skills Assessment, Brief Version (UPSA-B)...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27825156/psychopathological-course-typology-in-schizophrenia-spectrum-disorders-a-heuristic-approach-in-a-sample-of-100-patients
#20
Moritz E Wigand, Fabian U Lang, Thomas Becker, Thomas G Schulze, Werner Strik, Markus Jäger
BACKGROUND: Despite several previous attempts at subtyping schizophrenia, a typology that reflects neurobiological knowledge and reliably predicts course and outcome is lacking. We applied the system-specific concept of the Bern Psychopathology Scale (BPS) to generate a course typology based on three domains: language, affectivity, and motor behaviour. SAMPLING AND METHODS: A cohort of 100 patients with schizophrenia or schizoaffective disorders according to DSM-IV criteria underwent psychopathological assessment, and all their available medical records were retrospectively analysed on the basis of the BPS...
2016: Psychopathology
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