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Auditory hallucinations

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https://www.readbyqxmd.com/read/28936548/auditory-feature-perception-and-auditory-hallucinatory-experiences-in-schizophrenia-spectrum-disorder
#1
Ashley M Schnakenberg Martin, Lisa Bartolomeo, Josselyn Howell, William P Hetrick, Amanda R Bolbecker, Alan Breier, Gary Kidd, Brian F O'Donnell
Schizophrenia spectrum disorder (SZ) is associated with deficits in auditory perception as well as auditory verbal hallucinations (AVH). However, the relationship between auditory feature perception and auditory verbal hallucinations (AVH), one of the most commonly occurring symptoms in psychosis, has not been well characterized. This study evaluated perception of a broad range of auditory features in SZ and determined whether current AVHs relate to auditory feature perception. Auditory perception, including frequency, intensity, duration, pulse-train and temporal order discrimination, as well as an embedded tone task, was assessed in both AVH (n = 20) and non-AVH (n = 24) SZ individuals and in healthy controls (n = 29) with the Test of Basic Auditory Capabilities (TBAC)...
September 21, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28898304/-use-of-cannabis-and-incidence-of-psychotic-symptoms-evidence-from-buenos-aires
#2
Ángeles Barrera, María P Rocha, Eduardo Leiderman
OBJECTIVES: Cannabis use has been frequently associated to the experience of psychotic symptoms in the research literature. The objective was to investigate the association between cannabis use and psychotic like experiences in the city of Buenos Aires. METHODS: A sample of 862 respondents of the metropolitan area of Buenos Aires, aged =18 years, was interviewed regarding their cannabis use, and presence of psychotic like experiences. RESULTS: Cannabis use was associated to psychotic like experiences, in particular to perceptual abnormalities (visual and auditory hallucinations)...
November 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28887803/psychosis-in-spinocerebellar-ataxias-a-case-series-and-study-of-tyrosine-hydroxylase-in-substantia-nigra
#3
Katherine W Turk, Margaret E Flanagan, Samuel Josephson, C Dirk Keene, Suman Jayadev, Thomas D Bird
Spinocerebellar ataxias are a genetically heterogeneous group of degenerative diseases typically characterized by progressive ataxia and to various degrees, neuropathy, amyotrophy, and ocular abnormalities. There is increasing evidence for non-motor manifestations associated with cerebellar syndromes including cognitive and psychiatric features. We studied a retrospective clinical case series of eight subjects with spinocerebellar ataxias (SCAs) 2, 3, 7, and 17, all displaying features of psychosis, and also measured tyrosine hydroxylase (TH) staining of the substantia nigra (SN) at autopsy, among four of the subjects...
September 8, 2017: Cerebellum
https://www.readbyqxmd.com/read/28866447/efficacy-of-fronto-temporal-transcranial-direct-current-stimulation-for-refractory-auditory-verbal-hallucinations-in-schizophrenia-a-randomized-double-blind-sham-controlled-study
#4
Anushree Bose, Venkataram Shivakumar, Sri Mahavir Agarwal, Sunil V Kalmady, Sonia Shenoy, Vanteemar S Sreeraj, Janardhanan C Narayanaswamy, Ganesan Venkatasubramanian
Persistent auditory verbal hallucinations (AVH) that are refractory to antipsychotic medications are reported in about 20-30% of schizophrenia patients. Transcranial Direct Current Stimulation (tDCS), a non-invasive and safe neuromodulatory technique, has attracted significant interest as an add-on treatment for refractory AVH in schizophrenia. Studies examining the efficacy of tDCS for refractory AVH in schizophrenia have reported inconsistent findings. In this study, using a randomized, double-blind, sham-controlled design (RCT), we sought to examine the effect of add-on tDCS [anode corresponding to left dorsolateral prefrontal cortex and cathode to left temporo-parietal junction; 2-mA, twice-daily sessions for 5-days] to treat refractory AVH in schizophrenia patients (N=25); following this RCT phase, patients that had <30% reduction in AVH severity were offered an open-label extension (OLE) active stimulation to evaluate the effect of cross-over to verum tDCS...
August 30, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28864916/effects-of-transcranial-direct-current-stimulation-on-the-auditory-mismatch-negativity-response-and-working-memory-performance-in-schizophrenia-a-pilot-study
#5
Danielle Impey, Ashley Baddeley, Renee Nelson, Alain Labelle, Verner Knott
Cognitive impairment has been proposed to be the core feature of schizophrenia (Sz). Transcranial direct current stimulation (tDCS) is a non-invasive form of brain stimulation which can improve cognitive function in healthy participants and in psychiatric patients with cognitive deficits. tDCS has been shown to improve cognition and hallucination symptoms in Sz, a disorder also associated with marked sensory processing deficits. Recent findings in healthy controls demonstrate that anodal tDCS increases auditory deviance detection, as measured by the brain-based event-related potential, mismatch negativity (MMN), which is a putative biomarker of Sz that has been proposed as a target for treatment of Sz cognition...
September 1, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28852250/delusion-of-triplet-pregnancy-in-abdominal-cavity-a-case-report-with-a-review-of-literature
#6
Shri Gopal Goyal, Ananya Mahapatra, Priti Kumari Goyal, Sudhir Kumar Khandelwal
The two terms, pseudocyesis and delusion of pregnancy, were frequently used for pseudopregnancy. Delusion of pregnancy is a special form of hypochondriacal/somatic delusion reported in various psychiatric and organic disorders. The origin of the delusion of pregnancy in schizophrenia has often been explained by psycho-analytic interpretations attributing wish fulfilling, protective role to false beliefs, and mother establishes an undisturbed union with her fetus during pregnancy, which eliminate loneliness and helplessness...
July 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28827744/auditory-verbal-hallucinations-related-to-altered-long-range-synchrony-of-gamma-band-oscillations
#7
Saskia Steinmann, Gregor Leicht, Christina Andreou, Nenad Polomac, Christoph Mulert
Our understanding of the neural correlates of auditory-verbal-hallucinations (AVH) has substantially increased during the last few years, but is far from sufficient. One current hypothesis, the interhemispheric miscommunication theory, is based on findings from fMRI, DTI and EEG, but there is only limited evidence so far concerning underlying functional coupling mechanisms. Here we report a 64-channel EEG study using lagged phase synchronization analysis and eLORETA source estimation to examine the functional connectivity between bilateral auditory cortices in the gamma-band in 26 schizophrenia patients (13 with and 13 without AVH) and 26 matched healthy controls (HC) while performing a dichotic listening task...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28826411/auditory-hallucinations-not-necessarily-a-hallmark-of-psychotic-disorder
#8
F Waters, J D Blom, R Jardri, K Hugdahl, I E C Sommer
Auditory hallucinations (AH) are often considered a sign of a psychotic disorder. This is promoted by the DSM-5 category of Other Specified Schizophrenia Spectrum And Other Psychotic Disorder (OSSSOPD), the diagnostic criteria for which are fulfilled with the sole presence of persistent AH, in the absence of any other psychotic symptoms. And yet, persistent AH are not synonymous with having a psychotic disorder, and should therefore not be uncritically treated as such. Many people who seek treatment for persistent AH have no other psychotic symptoms, have preserved reality-testing capacities, and will never develop a schizophrenia spectrum disorder...
August 22, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28804990/characterizing-the-experience-of-auditory-verbal-hallucinations-and-accompanying-delusions-in-individuals-with-a-diagnosis-of-bipolar-disorder-a-systematic-review
#9
REVIEW
L M Smith, L C Johns, Rlc Mitchell
OBJECTIVES: The aim of the current study was to inform ongoing attempts to identify clinically meaningful subcategories of auditory verbal hallucination (AVH), and to evaluate evidence that might pertain to the suitability of current psychological interventions for people with bipolar disorder (BD) who experience psychotic symptoms. METHODS: A comprehensive synthesis of findings on the phenomenology of AVH and delusions in BD is included, alongside a critical review of clinical and cognitive correlates...
August 14, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28763736/schizophrenia-dissection-by-five-anxiety-and-depressive-subtype-comorbidities-clinical-implications-and-evolutionary-perspective
#10
André B Veras, Simone Cougo, Fernanda Meira, Clayton Peixoto, Jorge A Barros, Antonio E Nardi, Dolores Malaspina, Michael Poyurovsky, Jeffrey P Kahn
Twenty patients with DSM5 schizophrenia were comprehensively and formally assessed by an experienced psychiatrist. All subjects were assessed for: positive and negative psychotic symptoms; social anxiety; panic anxiety; obsessive compulsive disorder, atypical depression; major depression; suicide risk; and global assessment of functioning. Different profiles of clinical presentation and symptom evolution emerged for patients with schizophrenia who had co-morbid depression (15%), OCD (15%), panic or limited symptom attacks (55%) and social anxiety (5%)...
July 26, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28755572/reality-monitoring-performance-and-the-role-of-visual-imagery-in-visual-hallucinations
#11
Charlotte Aynsworth, Nazik Nemat, Daniel Collerton, David Smailes, Robert Dudley
BACKGROUND: Auditory Hallucinations may arise from people confusing their own inner speech with external spoken speech. People with visual hallucinations (VH) may similarly confuse vivid mental imagery with external events. This paper reports two experiments exploring confusion between internal and external visual material. METHOD: Experiment 1 examined reality monitoring in people with psychosis; those with visual hallucinations (n = 16) and those without (n = 15)...
July 20, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28750684/clozapine-induced-dilated-cardiomyopathy-a-case-report
#12
Sarah Longhi, Stephan Heres
BACKGROUND: Clozapine is known to be a highly effective antipsychotic agent and additionally provides a significant reduction in suicide-risk and aggression. Clozapine-induced cardiomyopathy is a very rare but nonetheless dangerous side-effect, with an incidence of 0.02-0.1%, depending on the literature, and a mortality rate of up to 17.9%. CASE PRESENTATION: We report on the case of a 25 year-old patient, who was admitted for the evaluation of a potential electroconvulsive therapy due to persistent auditory hallucinations under clozapine...
July 27, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28748060/a-case-of-attempted-bilateral-self-enucleation-in-a-patient-with-bipolar-disorder
#13
Hannah Muniz Castro, John Alvarez, Robert G Bota, Marc Yonkers, Jeremiah Tao
Attempted and completed self-enucleation, or removal of one's own eyes, is a rare but devastating form of self-mutilation behavior. It is often associated with psychiatric disorders, particularly schizophrenia, substance induced psychosis, and bipolar disorder. We report a case of a patient with a history of bipolar disorder who gouged his eyes bilaterally as an attempt to self-enucleate himself. On presentation, the patient was manic with both psychotic features of hyperreligous delusions and command auditory hallucinations of God telling him to take his eyes out...
March 22, 2017: Mental Illness
https://www.readbyqxmd.com/read/28740822/neurological-soft-signs-effects-of-trait-schizotypy-psychological-distress-and-auditory-hallucination-predisposition
#14
Saskia de Leede-Smith, Steven Roodenrys, Lauren Horsley, Shannen Matrini, Erin Mison, Emma Barkus
Schizotypy is regarded as a trait vulnerability for psychotic disorders, yet alone is insufficient for development of a diagnosable disorder. Additional symptoms and psychological distress are necessary for help seeking and transition from an at risk mental state to a clinical diagnosis. The present study investigated the interaction between trait schizotypy, state auditory verbal hallucination (AVH) predisposition, distress and handedness for the expression of neurological soft signs (NSS), a neurodevelopmental vulnerability factor for psychosis...
March 2017: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28738347/negative-beliefs-about-voices-in-patients-with-borderline-personality-disorder-are-associated-with-distress-a-plea-for-cognitive-behavioural-therapy
#15
Christina W Slotema, Jan Dirk Blom, Mathijs Deen, Marieke B A Niemantsverdriet, Mark van der Gaag, Hans W Hoek, Iris E C Sommer
BACKGROUND: Auditory verbal hallucinations (AVH) are experienced by 21-54% of patients diagnosed with a borderline personality disorder (BPD), and ensuing distress is often high. Little is known about the beliefs these patients foster about their voices, and the influence thereof on distress and need for hospitalisation. METHODS: In a convenience sample of 38 BPD outpatients with AVH, data were collected with the aid of the Psychotic Symptom Rating Scales (PSYRATS), Beliefs about Voices Questionnaire (BAVQ), Social Comparison Rating Scale (SCRS), and Voice Power Differential Scale (VPDS)...
2017: Psychopathology
https://www.readbyqxmd.com/read/28735593/virtual-reality-in-the-assessment-and-treatment-of-psychosis-a-systematic-review-of-its-utility-acceptability-and-effectiveness
#16
M Rus-Calafell, P Garety, E Sason, T J K Craig, L R Valmaggia
Over the last two decades, there has been a rapid increase of studies testing the efficacy and acceptability of virtual reality in the assessment and treatment of mental health problems. This systematic review was carried out to investigate the use of virtual reality in the assessment and the treatment of psychosis. Web of Science, PsychInfo, EMBASE, Scopus, ProQuest and PubMed databases were searched, resulting in the identification of 638 articles potentially eligible for inclusion; of these, 50 studies were included in the review...
July 24, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28726350/what-is-distressing-about-auditory-verbal-hallucinations-the-contribution-of-goal-interference-and-goal-facilitation
#17
Filippo Varese, Warren Mansell, Sara J Tai
OBJECTIVES: Distressing and pleasant/positive voices (auditory verbal hallucinations) are common in both clinical and non-clinical voice-hearers. Identifying factors that contribute to emotional reactions to voices is essential for developing effective psychological interventions. Several theories propose that facilitation and interference with personal goals are important predictors of distress and well-being. This study examined whether voice-related distress is related to the degree to which voices interfere with personal goals, and whether pleasantness of voices is influenced by the extent to which they facilitate goals...
July 20, 2017: Psychology and Psychotherapy
https://www.readbyqxmd.com/read/28720416/emotional-fmr-auditory-paradigm-demonstrates-normalization-of-limbic-hyperactivity-after-cognitive-behavior-therapy-for-auditory-hallucinations
#18
Eduardo J Aguilar, Iluminada Corripio, Gracián García-Martí, Eva Grasa, Luis Martí-Bonmatí, Beatriz Gómez-Ansón, Julio Sanjuán, Fidel Núñez-Marín, Esther Lorente-Rovira, María J Escartí, Alison Brabban, Douglas Turkington
No abstract text is available yet for this article.
July 15, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28711798/psychotic-like-experiences-and-happiness-in-the-english-general-population
#19
Ai Koyanagi
BACKGROUND: Psychotic-like experiences (PLEs) have been associated with a variety of adverse outcomes but how they affect happiness in individuals with PLE is unknown. Thus, the aim of the study was to assess the association between PLEs and happiness, and the factors that may influence this association. METHODS: Nationally representative data from the 2007 Adult Psychiatric Morbidity Survey including adults aged ≥ 16 years was analyzed. The Psychosis Screening Questionnaire was used to assess past 12-month PLE...
November 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28710677/cerebellar-contributions-to-persistent-auditory-verbal-hallucinations-in-patients-with-schizophrenia
#20
Maximilian Cierpka, Nadine D Wolf, Katharina M Kubera, Mike M Schmitgen, Nenad Vasic, Karel Frasch, Robert Christian Wolf
There is growing evidence that the cerebellum plays a crucial role in the pathophysiology of schizophrenia symptoms. Despite increasing evidence for cerebellar involvement in affective, attentive, and cognitive functions including language processing and perception, investigations of cerebellar contributions to auditory verbal hallucinations (AVH) in schizophrenia are lacking. Using structural magnetic resonance imaging at 3T, we investigated the data of 20 patients with schizophrenia and 14 matched healthy controls...
July 14, 2017: Cerebellum
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