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https://www.readbyqxmd.com/read/28228737/schizophrenia-associated-with-epileptiform-discharges-without-seizures-successfully-treated-with-levetiracetam
#1
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/28225385/two-cases-of-oral-somatic-delusions-ameliorated-with-brain-perfusion-asymmetry-a-case-report
#2
Yojiro Umezaki, Akihito Uezato, Akira Toriihara, Toru Nishikawa, Akira Toyofuku
BACKGROUND: Oral cenesthopathy is the complaint of abnormal oral sensation where no underlying organic cause can be identified. It is also called oral dysesthesia or oral somatic delusion and classified as delusional disorder, somatic type. The patients with oral cenesthopathy show right > left asymmetric regional cerebral blood flow (rCBF) in the broad brain region. However, the studies scrutinizing the rCBF change before and after the successful treatment are still a few so far. CASE: We present 2 cases of oral cenesthopathy, who responded well to aripiprazole...
February 22, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28220044/pregnenolone-blocks-cannabinoid-induced-acute-psychotic-like-states-in-mice
#3
A Busquets-Garcia, E Soria-Gómez, B Redon, Y Mackenbach, M Vallée, F Chaouloff, M Varilh, G Ferreira, P-V Piazza, G Marsicano
Cannabis-induced acute psychotic-like states (CIAPS) represent a growing health issue, but their underlying neurobiological mechanisms are poorly understood. The use of antipsychotics and benzodiazepines against CIAPS is limited by side effects and/or by their ability to tackle only certain aspects of psychosis. Thus, safer wide-spectrum treatments are currently needed. Although the blockade of cannabinoid type-1 receptor (CB1) had been suggested as a therapeutical means against CIAPS, the use of orthosteric CB1 receptor full antagonists is strongly limited by undesired side effects and low efficacy...
February 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28219788/immersion-in-altered-experience-an-investigation-of-the-relationship-between-absorption-and-psychopathology
#4
REVIEW
Cherise Rosen, Nev Jones, Kayla A Chase, Jennifer K Melbourne, Linda S Grossman, Rajiv P Sharma
Understanding alterations in perceptual experiences as a component of the basic symptom structure of psychosis may improve early detection and the identification of subtle shifts that can precede symptom onset or exacerbation. We explored the phenomenological construct of absorption and psychotic experiences in both clinical (bipolar psychosis and schizophrenia spectrum) and non-clinical participants. Participants with psychosis endorsed significantly higher absorption compared to the non-clinical group. Absorption was positively correlated with all types of hallucinations and multiple types of delusions...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28219318/gender-and-pathology-specific-effect-of-apolipoprotein-e-genotype-on-psychosis-in-alzheimer-s-disease
#5
Julia Kim, Corinne E Fischer, Tom A Schweizer, David G Munoz
BACKGROUND: Symptoms of psychosis is one of the common clinical manifestations of Alzheimer's disease (AD). However, the pathophysiology behind psychosis is unknown. OBJECTIVE: The aim of the present study was to explore the relationship between Apolipoprotein E (APOE) genotype, Lewy body pathology, and psychosis in AD. METHODS: The data was obtained from the National Alzheimer's disease Coordinating Centre (NACC), using the Uniform Data Set and the Neuropathology Data Set...
February 20, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28208982/delusional-disorder-in-a-patient-with-corpus-callosum-agenesis
#6
M S Bhatia, Rashmita Saha, Nimisha Doval
Agenesis of corpus callosum is rare and associated neuropsychiatric abnormalities reported are epilepsy, Asperger's syndrome, learning problems, depression, schizophrenia, conduct disorder and conversion symptoms. Schizophrenia is the most common psychiatric disorder reported among corpus callosum agenesis. We report a rare case of delusional disorder with corpus callosum agenesis and seizure disorder. The patient presented with delusions of persecution towards younger brother and mother, disturbed sleep and reduced appetite...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28190544/treatment-of-steroid-resistant-hashimoto-encephalopathy-with-misidentification-delusions-and-catatonia
#7
Yujin Lee, Ellen M House
No abstract text is available yet for this article.
October 27, 2016: Psychosomatics
https://www.readbyqxmd.com/read/28187859/introduction-to-the-special-issue-on-cognition-and-delusions-what-do-we-know-what-do-we-guess-and-what-do-we-perhaps-falsely-believe
#8
EDITORIAL
Ryan P Balzan, Steffen Moritz
No abstract text is available yet for this article.
February 1, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28185044/a-predictive-coding-account-of-psychotic-symptoms-in-autism-spectrum-disorder
#9
Gerrit I van Schalkwyk, Fred R Volkmar, Philip R Corlett
The co-occurrence of psychotic and autism spectrum disorder (ASD) symptoms represents an important clinical challenge. Here we consider this problem in the context of a computational psychiatry approach that has been applied to both conditions-predictive coding. Some symptoms of schizophrenia have been explained in terms of a failure of top-down predictions or an enhanced weighting of bottom-up prediction errors. Likewise, autism has been explained in terms of similar perturbations. We suggest that this theoretical overlap may explain overlapping symptomatology...
February 10, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28179386/cognitive-impairment-and-depressive-symptoms-coexisting-in-an-elderly-man
#10
Ruziana Masiran, Nicholas Tze Ping Pang
We report a case of a man aged 67 years presenting with recent depressive symptoms and paranoid ideations in addition to 1-year cognitive impairment. He has vascular risk factors and family history of memory loss. An episode of depression 2 decades ago resolved spontaneously but was followed by occupational decline. On mental state examination, he denied having depressed mood, hallucinations or delusions, but there were prominent word-finding difficulties and impaired attention and concentration.
February 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28177178/association-of-premorbid-personality-with-behavioral-and-psychological-symptoms-in-dementia-with-lewy-bodies-comparison-with-alzheimer-s-disease-patients
#11
Kazuki Tabata, Yasuaki Saijo, Fumiyoshi Morikawa, Juichiro Naoe, Eiji Yoshioka, Yasuyuki Kawanishi, Yoshihiko Nakagi, Takahiko Yoshida
AIM: The aim of this study was to elucidate the relationship between premorbid personality traits and behavioral and psychological symptoms in dementia (BPSD) in dementia with Lewy bodies (DLB) and Alzheimer's disease (AD) patients. METHODS: Forty-one DLB patients and 98 AD patients were assessed for BPSD using the Neuropsychiatric Inventory (NPI). Each patient's midlife personality traits were rated by a family member using the NEO Five-Factor Inventory (NEO-FFI) questionnaire...
February 8, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28177090/explaining-delusions-reducing-uncertainty-through-basic-and-computational-neuroscience
#12
Erin J Feeney, Stephanie M Groman, Jane R Taylor, Philip R Corlett
No abstract text is available yet for this article.
February 8, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28177083/studying-delusions-within-research-domain-criteria-the-challenge-of-configural-traits-when-building-a-mechanistic-foundation-for-abnormal-beliefs
#13
Angus W MacDonald
No abstract text is available yet for this article.
February 8, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28163856/29-year-old-man-with-multiple-sclerosis-and-schizophrenia-a-case-report
#14
Nahid Noorani, Fateme Hadi, Hamid Reza Ahmadkhaniha
Multiple sclerosis (MS) is the most common debilitating neurological disease that affects adults, whether young adults or middle-aged. Although, most attention is toward the neurological signs of the disease, the neuropsychiatric signs are not uncommon. This case report presents a 29 year old male with a record of obsessive-compulsive disorder (OCD) without psychotic disorder, which coincides with the diagnosis MS, has been stricken to auditory hallucinations and reference delusion. The patient received some antipsychotic drugs such as Haloperidol and Perphenazine irregularly, but any psychotic signs of the patient were never in control...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28163496/association-of-cognitive-and-noncognitive-symptoms-of-delirium-a-study-from-consultation-liaison-psychiatry-set-up
#15
Sandeep Grover, Aseem Mehra, Subho Chakrabarti, Ajit Avasthi
AIMS: This study aims to evaluate the cognitive functions of patients with delirium using Hindi Mental Status Examination (HMSE), to study the correlation of cognitive functions assessed by HMSE with noncognitive symptoms as assessed using Delirium Rating Scale-Revised 1998 (DRS-R-98) and to study the association of cognitive functions assessed using HMSE and DRS-R98. METHODS: A total of 76 consecutive patients fulfilling the diagnosis of delirium were evaluated on DRS-R-98, HMSE, and Short Informant Questionnaire on Cognitive Decline in the Elderly (retrospective IQCODE)...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28152160/new-or-worsening-symptoms-and-signs-in-community-dwelling-persons-with-dementia-incidence-and-relation-to-use-of-acute-medical-services
#16
Philip D Sloane, Christopher H Schifeling, Anna S Beeber, Kimberly T Ward, David Reed, Lisa P Gwyther, Bobbi Matchar, Sheryl Zimmerman
OBJECTIVES: To understand the range of symptoms that present to family caregivers of community-dwelling persons with Alzheimer's disease and related dementias (ADRD). DESIGN: Six-month longitudinal prospective study to identify the incidence of new or worsening symptoms and their association with acute care medical service use. SETTING: Community-based sample of volunteers from multiple states. PARTICIPANTS: A total of 136 patient-caregiver dyads with a range of dementia severity...
February 2, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28141622/5-ht6-receptor-antagonist-as-an-adjunct-treatment-targeting-residual-symptoms-in-patients-with-schizophrenia-unexpected-sex-related-effects-double-blind-placebo-controlled-trial
#17
Margarita Morozova, Denis Burminskiy, George Rupchev, Taissia Lepilkina, Sergey Potanin, Allan Beniashvili, Yan Lavrovsky, Natalia Vostokova, Alexander Ivaschenko
BACKGROUND: Treating patients who experience residual psychotic symptoms during remission of schizophrenia remains one of the most challenging problems. The mechanisms underlying these symptoms differ from those of acute hallucinations and delusions. 5-HT6 receptor antagonists have been considered promising agents in treatment of residual psychotic symptoms and cognitive dysfunction. The aim of the study was to assess the efficacy of a selective 5-HT6 inhibitor Avisetron in the reduction of residual psychotic symptoms in patients with schizophrenia on stable antipsychotic therapy...
January 30, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28139642/experimental-evidence-for-circular-inference-in-schizophrenia
#18
Renaud Jardri, Sandrine Duverne, Alexandra S Litvinova, Sophie Denève
Schizophrenia (SCZ) is a complex mental disorder that may result in some combination of hallucinations, delusions and disorganized thinking. Here SCZ patients and healthy controls (CTLs) report their level of confidence on a forced-choice task that manipulated the strength of sensory evidence and prior information. Neither group's responses can be explained by simple Bayesian inference. Rather, individual responses are best captured by a model with different degrees of circular inference. Circular inference refers to a corruption of sensory data by prior information and vice versa, leading us to 'see what we expect' (through descending loops), to 'expect what we see' (through ascending loops) or both...
January 31, 2017: Nature Communications
https://www.readbyqxmd.com/read/28138403/clozapine-in-a-patient-with-treatment-resistant-schizophrenia-and-hypertrophic-cardiomyopathy-a-case-report
#19
Asiel Yair Adan Sanchez, Jessica J Foster, Carla M Plymen, Sukhi Shergill
BACKGROUND: There is currently limited experience in the initiation and maintenance of clozapine for treatment-resistant psychosis in adults with established structural heart disease. These complex patients require close supervision and liaison between colleagues. Here we present the successful experience of treating one such patient within our service and describe a monitoring plan to ensure that these treatments can be provided both safely and effectively. CASE PRESENTATION: A 36-year-old man with treatment-resistant schizophrenia and known hypertrophic cardiomyopathy (HCM) was admitted to a specialist unit for a trial of clozapine...
November 2016: BJPsych Open
https://www.readbyqxmd.com/read/28137956/doppelg%C3%A3-ngers-and-dissociations-lesion-network-mapping-illuminates-misidentification-delusions
#20
Ryan McKay, Nicholas Furl
No abstract text is available yet for this article.
February 2017: Brain: a Journal of Neurology
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