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https://www.readbyqxmd.com/read/28239498/cognitive-pragmatic-rehabilitation-program-in-schizophrenia-a-single-case-fmri-study
#1
Ilaria Gabbatore, Francesca M Bosco, Elisabetta Geda, Luigi Gastaldo, Sergio Duca, Tommaso Costa, Bruno G Bara, Katiuscia Sacco
Introduction. The present study was intended to evaluate the effects of a rehabilitative training, the Cognitive Pragmatic Treatment (CPT), aimed at improving communicative-pragmatic abilities and the related cognitive components, on the cerebral modifications of a single case patient diagnosed with schizophrenia. Methods. The patient underwent two functional magnetic resonance imaging (fMRI) sessions, before and after the treatment. In order to assess brain changes, we calculated the Amplitude of Low Frequency Fluctuation (ALFF) index of the resting-state fMRI signal, which is interpreted as reflecting the intensity of the spontaneous regional activity of the brain...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28239361/deictic-and-propositional-meaning-new-perspectives-on-language-in-schizophrenia
#2
Vitor C Zimmerer, Stuart Watson, Douglas Turkington, I Nicol Ferrier, Wolfram Hinzen
Emerging linguistic evidence points at disordered language behavior as a defining characteristic of schizophrenia. In this article, we review this literature and demonstrate how a framework focusing on two core functions of language-reference and propositional meaning-can conceptualize schizophrenic symptoms, identify important variables for risk assessment, diagnosis, and treatment, and inform cognitive behavioral therapy and other remedial approaches. We introduce the linguistic phenomena of deictic anchoring and propositional complexity, explain how they relate to schizophrenic symptoms, and show how they can be tracked in language behavior...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28237912/vestibular-stimulation-improves-insight-into-illness-in-schizophrenia-spectrum-disorders
#3
Philip Gerretsen, David D Pothier, Carolyn Falls, Maxine Armstrong, Thushanthi Balakumar, Hiroyuki Uchida, David C Mamo, Bruce G Pollock, Ariel Graff-Guerrero
Impaired insight into illness (IMP-INS) is common among individuals with schizophrenia spectrum disorders (SSD), contributing to medication nonadherence and poor clinical outcomes. Caloric vestibular simulation (CVS) is typically used to assess peripheral vestibular system function. Left cold CVS is also a transiently effective treatment for IMP-INS and hemineglect secondary to right brain hemisphere stroke, and possibly for IMP-INS and mood stabilization in patients with SSD. Participants with SSD and moderate-to-severe IMP-INS participated in an exploratory double blind, crossover, randomized controlled study of the effects of CVS on IMP-INS...
February 13, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28236956/financial-incentives-for-improving-adherence-to-maintenance-treatment-in-patients-with-psychotic-disorders-money-for-medication-a-multicentre-open-label-randomised-controlled-trial
#4
Ernst L Noordraven, André I Wierdsma, Peter Blanken, Anthony F T Bloemendaal, Anton B P Staring, Cornelis L Mulder
BACKGROUND: Provision of financial incentives is a promising intervention for improving adherence in patients taking antipsychotic medication. We aimed to assess the effectiveness of this intervention for improving adherence to antipsychotic depot medication in patients with psychotic disorders, irrespective of their previous compliance. METHODS: We did this multicentre, open-label, randomised controlled trial at three mental health-care institutions in secondary psychiatric care services in the Netherlands...
March 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28235589/short-and-long-term-behavioral-analysis-of-social-interaction-ultrasonic-vocalizations-and-social-motivation-in-a-chronic-phencyclidine-model
#5
Suzanne M Peters, Joe A Tuffnell, Ilona J Pinter, Johanneke E van der Harst, Berry M Spruijt
Phencyclidine (PCP) has been suggested to induce symptoms of schizophrenia. However, animal models using PCP administration have produced ambiguous results thus far. It seems that acute effects are similar to symptoms of schizophrenia, however, it is not clear if PCP can induce permanent behavioral changes that reflect schizophrenic-like symptoms. Therefore, we assessed the ability of chronic PCP administration (3mg/kg, 14 days) to induce short or long lasting behavioral changes in rats. Social behavior, including ultrasonic vocalizations and motivation for social contact were investigated at different time points, up to 29-36 days, after cessation of PCP treatment...
February 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28235586/the-effects-of-nicotine-in-the-neonatal-quinpirole-rodent-model-of-psychosis-neural-plasticity-mechanisms-and-nicotinic-receptor-changes
#6
Daniel J Peterson, W Drew Gill, John M Dose, Donald B Hoover, James R Pauly, Elizabeth D Cummins, Katherine C Burgess, Russell W Brown
Neonatal quinpirole (NQ) treatment to rats increases dopamine D2 receptor sensitivity persistent throughout the animal's lifetime. In Experiment 1, we analyzed the role of α7 and α4β2 nicotinic receptors (nAChRs) in nicotine behavioral sensitization and on brain-derived neurotrophic factor (BDNF) in response to nicotine in NQ- and neonatally saline (NS)-treated rats. In Experiment 2, we analyzed changes in α7 and α4β2 nAChR density in the nucleus accumbens (NAcc) and dorsal striatum in NQ and NS animals sensitized to nicotine...
February 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28235555/re-arrangements-of-gene-transcripts-at-glutamatergic-synapses-after-prolonged-treatments-with-antipsychotics-a-putative-link-with-synaptic-remodeling
#7
Elisabetta Filomena Buonaguro, Felice Iasevoli, Federica Marmo, Anna Eramo, Gianmarco Latte, Camilla Avagliano, Carmine Tomasetti, Andrea de Bartolomeis
OBJECTIVES: The postsynaptic density (PSD) represents a site of dopamine-glutamate integration. Despite multiple evidence of PSD involvement in antipsychotic-induced synaptic changes, there are no direct head-to-head comparisons of the effects at the PSD of antipsychotics with different receptor profile and at different doses after chronic administration. METHODS: Molecular imaging of gene expression was used to investigate whether chronic treatment with first and second generation antipsychotics (haloperidol, asenapine and olanzapine) may induce changes in the expression levels of PSD transcripts involved in schizophrenia pathophysiology, i...
February 21, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28231610/polygenic-risk-scores-for-schizophrenia-and-bipolar-disorder-associate-with-addiction
#8
Gunnar W Reginsson, Andres Ingason, Jack Euesden, Gyda Bjornsdottir, Sigurgeir Olafsson, Engilbert Sigurdsson, Hogni Oskarsson, Thorarinn Tyrfingsson, Valgerdur Runarsdottir, Ingunn Hansdottir, Stacy Steinberg, Hreinn Stefansson, Daniel F Gudbjartsson, Thorgeir E Thorgeirsson, Kari Stefansson
We use polygenic risk scores (PRSs) for schizophrenia (SCZ) and bipolar disorder (BPD) to predict smoking, and addiction to nicotine, alcohol or drugs in individuals not diagnosed with psychotic disorders. Using PRSs for 144 609 subjects, including 10 036 individuals admitted for in-patient addiction treatment and 35 754 smokers, we find that diagnoses of various substance use disorders and smoking associate strongly with PRSs for SCZ (P = 5.3 × 10(-50) -1.4 × 10(-6) ) and BPD (P = 1.7 × 10(-9) -1...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28231044/original-research-paper-switching-antipsychotics-results-of-16-month-non-interventional-prospective-observational-clinical-research-of-inpatients-with-schizophrenia-spectrum-disorders
#9
Cvetka Bačar Bole, Mitja Pišlar, Metka Šen, Rok Tavčar, Aleš Mrhar
The study aims to identify prescribing and switching patterns of antipsychotics in clinical practice. A 16-month, prospective study was conducted at the Psychiatric Hospital Idrija, Slovenia. Inpatients (N = 311) with schizophrenia spectrum disorders were observed. The causes for switching antipsychotics and switching strategies were analyzed. Analyzing a total of 3954 prescriptions, the collected data confirmed that treatment strategies in this psychiatric hospital are very complex. It was found that 37 percent of inpatients had at least one switch...
March 1, 2017: Acta Pharmaceutica
https://www.readbyqxmd.com/read/28230631/aerobic-exercise-and-its-effects-on-cognition-in-schizophrenia
#10
Peter Falkai, Berend Malchow, Andrea Schmitt
PURPOSE OF REVIEW: Schizophrenia is a severe neuropsychiatric disorder with incomplete remission because of negative and cognitive symptoms in a large proportion of patients. Antipsychotic medication is successful in modulating positive symptoms, but only to a lower extent negative symptoms including cognitive dysfunction. Therefore, development of innovative add-on treatment is highly needed. In this review, recent evidence from clinical studies reveals effects of aerobic exercise on cognitive deficits in schizophrenia patients...
February 21, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28230072/improved-social-interaction-recognition-and-working-memory-with-cannabidiol-treatment-in-a-prenatal-infection-poly-i-c-rat-model
#11
Ashleigh L Osborne, Nadia Solowij, Ilijana Babic, Xu-Feng Huang, Katrina Weston-Green
Neuropsychiatric disorders such as schizophrenia are associated with cognitive impairment, including learning, memory and attention deficits. Antipsychotic drugs are limited in their efficacy to improve cognition; therefore, new therapeutic agents are required. Cannabidiol (CBD), the non-intoxicating component of cannabis, has anti-inflammatory, neuroprotective and antipsychotic-like properties, however, its ability to improve the cognitive deficits of schizophrenia remains unclear. Using a prenatal infection model, we examined the effect of chronic CBD treatment on cognition and social interaction...
February 23, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28228737/schizophrenia-associated-with-epileptiform-discharges-without-seizures-successfully-treated-with-levetiracetam
#12
Dominique Endres, Evgeniy Perlov, Bernd Feige, Dirk-Matthias Altenmüller, Nils Venhoff, Ludger Tebartz van Elst
BACKGROUND: Schizophrenia-like disorders can be divided into endogenic or primary, idiopathic, polygenetic forms, and different secondary, organic subgroups [e.g., (para)epileptic, immunological, degenerative]. Epileptic and paraepileptic explanatory approaches have a long tradition due to the high rate of electroencephalography (EEG) alterations in patients with schizophrenia. CASE PRESENTATION: We present the case of a 23-year-old female patient suffering, since the age of 14 years, from a fluctuating paranoid-hallucinatory syndrome with formal thought disorder, fear, delusions of persecution, auditory, visual, and tactile hallucinations, as well as negative and cognitive symptoms...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28228056/brexpiprazole
#13
Marija Markovic, Alyssa Gallipani, Krina H Patel, Megan Maroney
OBJECTIVE: To review the pharmacology and clinical data for brexpiprazole in schizophrenia and major depressive disorder (MDD). DATA SOURCES: An English-language literature search using PubMed and MEDLINE was performed using the term brexpiprazole. All articles containing human clinical trial data published up to September 2016 were evaluated for inclusion as well as information from the manufacturer's product labeling. STUDY SELECTION/DATA EXTRACTION: Phase 3 trials for brexpiprazole were evaluated...
April 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28226318/existential-orientation-on-the-phenomenology-of-values-attitudes-and-worldviews-in-schizophrenia-ancillary-article-to-eawe-domain-6
#14
Elizabeth Pienkos, Louis Sass
Since the appearance of schizophrenia as a distinct diagnosis, various researchers and clinicians, particularly those in the phenomenological and existential tradition, have noted the unique contribution of attitudinal and characterological factors to the illness. There has been a notable lack of attention paid to these features in most recent research on the disorder; still, understanding the values, attitudes, and worldviews - what might be termed the "existential orientation" - of persons with schizophrenia may be essential for comprehending the illness and developing effective approaches to treatment...
February 23, 2017: Psychopathology
https://www.readbyqxmd.com/read/28226264/leukocyte-telomere-length-in-hispanic-schizophrenia-patients-under-treatment-with-olanzapine
#15
Nancy Monroy-Jaramillo, Yaneth Rodríguez-Agudelo, Luis Carlos Aviña-Cervantes, David L Roberts, Dawn I Velligan, Consuelo Walss-Bass
Different lines of evidence indicate that patients with schizophrenia (SZ) exhibit accelerated aging. Leukocyte telomere length (TL), an aging marker, is associated with age-related and chronic pathologies, including schizophrenia. We analyzed leukocyte TL in 170 SZ patients of Hispanic ancestry grouped based on antipsychotic treatment, compared to 126 matched controls. The group under treatment with atypical antipsychotics was further subdivided according to the risk of medication to cause metabolic syndrome (MetS)...
February 10, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28225745/predictors-of-nonhospitalization-and-functional-response-in-clozapine-treatment-a-nationwide-population-based-cohort-study
#16
Ole Köhler-Forsberg, Henriette T Horsdal, Sophie E Legge, James H MacCabe, Christiane Gasse
BACKGROUND: Clozapine remains the only evidence-based treatment for treatment-resistant schizophrenia, and prediction of clozapine response is important in developing stratified treatment. We studied potential predictors of clozapine response, applying functional assessments as well as service use. PROCEDURES: We performed a nationwide cohort study among all individuals diagnosed with schizophrenia in Denmark after 1995 (age, ≥18 years) who initiated clozapine treatment between 2004 and 2011 with a Global Assessment of Functioning (GAF-F) score registered at clozapine initiation...
April 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28225439/tachycardia-in-patients-treated-with-clozapine-versus-antipsychotic-long-acting-injections
#17
Björn M Nilsson, Oscar Edström, Leif Lindström, Petter Wernegren, Robert Bodén
Tachycardia is a known adverse effect during clozapine treatment. However, prevalence reported differs widely between studies and hitherto there are no studies comparing clozapine-treated patients with a similar control group. The present study was carried out to assess the prevalence of tachycardia in patients treated with clozapine and antipsychotic long-acting injections (LAI). Data on heart rate (HR), concomitant medication, and relevant anthropometric and laboratory measurements were collected for all clozapine-treated patients (n=174) in a defined catchment area and compared with data on patients treated with LAI (n=87)...
February 20, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28223982/mouse-model-of-neurological-complications-resulting-from-encephalitic-alphavirus-infection
#18
Shannon E Ronca, Jeanon Smith, Takaaki Koma, Magda M Miller, Nadezhda Yun, Kelly T Dineley, Slobodan Paessler
Long-term neurological complications, termed sequelae, can result from viral encephalitis, which are not well understood. In human survivors, alphavirus encephalitis can cause severe neurobehavioral changes, in the most extreme cases, a schizophrenic-like syndrome. In the present study, we aimed to adapt an animal model of alphavirus infection survival to study the development of these long-term neurological complications. Upon low-dose infection of wild-type C57B/6 mice, asymptomatic and symptomatic groups were established and compared to mock-infected mice to measure general health and baseline neurological function, including the acoustic startle response and prepulse inhibition paradigm...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28223812/resting-state-functional-connectivity-changes-within-the-default-mode-network-and-the-salience-network-after-antipsychotic-treatment-in-early-phase-schizophrenia
#19
Yingchan Wang, Weijun Tang, Xiaoduo Fan, Jianye Zhang, Daoying Geng, Kaida Jiang, Dianming Zhu, Zhenhua Song, Zeping Xiao, Dengtang Liu
OBJECTIVE: Abnormal resting-state functional connectivity (FC), particularly in the default mode network (DMN) and the salience network (SN), has been reported in schizophrenia, but little is known about the effects of antipsychotics on these networks. The purpose of this study was to examine the effects of atypical antipsychotics on DMN and SN and the relationship between these effects and symptom improvement in patients with schizophrenia. METHODS: This was a prospective study of 33 patients diagnosed with schizophrenia and treated with antipsychotics at Shanghai Mental Health Center...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28223808/n-methyl-d-aspartate-receptor-antibody-could-be-a-cause-of-catatonic-symptoms-in-psychiatric-patients-case-reports-and-methods-for-detection
#20
Ko Tsutsui, Takashi Kanbayashi, Manabu Takaki, Yuki Omori, Yumiko Imai, Seiji Nishino, Keiko Tanaka, Tetsuo Shimizu
The symptoms of catatonia have been reported to be similar to the initial symptoms of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis. Subsequently, this autoimmune limbic encephalitis has been noticed by many psychiatrists. For a differential diagnosis of catatonic state, it is important to detect anti-NMDAR encephalitis. This encephalitis is expected to be in remission by early detection and treatment. We should be more cautious about catatonic symptoms of schizophrenia. When a patient is suspected of having encephalitis, we should screen for anti-NMDAR antibodies in cerebrospinal fluid samples using a cell-based assay...
2017: Neuropsychiatric Disease and Treatment
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