Read by QxMD icon Read

Auditory hallucination AND memory

Sara Siddi, Donatella Rita Petretto, Rosanna Scanu, Caterina Burrai, Antonella Baita, Pierfranco Trincas, Emanuela Trogu, Liliana Campus, Augusto Contu, Antonio Preti
There is scant evidence that the verbal cognitive deficits observed in patients with psychosis are related to auditory verbal hallucinations. The understanding of metaphors and idiomatic expressions was investigated in a cohort of 90 patients with active psychosis, and in 44 healthy controls. The Psychotic Symptom Rating Scales (PSYRATS: verbal hallucinations subscale) was used to measure the current verbal hallucinations episode; a subscore of the Launay-Slade Hallucination Scale was used to measure long-term propensity to auditory verbal hallucination-like experiences (HLEs) in the sample...
September 19, 2016: Psychiatry Research
Gildas Brébion, Christian Stephan-Otto, Susana Ochoa, Mercedes Roca, Lourdes Nieto, Judith Usall
BACKGROUND: Previous research has shown that various memory errors reflecting failure in the self-monitoring of speech were associated with auditory/verbal hallucinations in schizophrenia patients and with proneness to hallucinations in non-clinical individuals. METHOD: We administered to 57 schizophrenia patients and 60 healthy participants a verbal memory task involving free recall and recognition of lists of words with different structures (high-frequency, low-frequency, and semantically organisable words)...
2016: Frontiers in Psychology
Leor Zmigrod, Jane R Garrison, Joseph Carr, Jon S Simons
Activation likelihood estimation meta-analysis of functional neuroimaging data was used to investigate the neural mechanisms underlying auditory-verbal and visual hallucinations (AVHs and VHs). Consistent activation across studies during AVHs, but not VHs, in Wernicke's and Broca's areas is consistent with involvement of speech and language processes in the experience of hearing voices when none are present. Similarly, greater activity in auditory cortex during AVHs and in visual cortex during VHs supports models proposing over-stimulation of sensory cortices in the generation of these perceptual anomalies...
October 2016: Neuroscience and Biobehavioral Reviews
Amy Hardy, Richard Emsley, Daniel Freeman, Paul Bebbington, Philippa A Garety, Elizabeth E Kuipers, Graham Dunn, David Fowler
Evidence suggests a causal role for trauma in psychosis, particularly for childhood victimization. However, the establishment of underlying trauma-related mechanisms would strengthen the causal argument. In a sample of people with relapsing psychosis (n = 228), we tested hypothesized mechanisms specifically related to impaired affect regulation, intrusive trauma memory, beliefs, and depression. The majority of participants (74.1%) reported victimization trauma, and a fifth (21.5%) met symptomatic criteria for Posttraumatic Stress Disorder...
July 2016: Schizophrenia Bulletin
Jane R Garrison, Rebecca Bond, Emma Gibbard, Marcia K Johnson, Jon S Simons
Reality monitoring refers to processes involved in distinguishing internally generated information from information presented in the external world, an activity thought to be based, in part, on assessment of activated features such as the amount and type of cognitive operations and perceptual content. Impairment in reality monitoring has been implicated in symptoms of mental illness and associated more widely with the occurrence of anomalous perceptions as well as false memories and beliefs. In the present experiment, the cognitive mechanisms of reality monitoring were probed in healthy individuals using a task that investigated the effects of stimulus modality (auditory vs visual) and the type of action undertaken during encoding (thought vs speech) on subsequent source memory...
July 2, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Nandhakumar Balakrishnan, Marna Ericson, Ricardo Maggi, Edward B Breitschwerdt
BACKGROUND: The genus Bartonella is comprised of a rapidly increasing number of pathogenic species that induce a seemingly diverse spectrum of neurological symptoms. During the 12 year period that followed the initial onset of neurological and gastrointestinal symptoms, an 11 year-old girl experienced a spectrum of neurological complaints including frequent headaches, visual and auditory hallucinations, anxiety, vision loss involving the lower left quadrant of both eyes, episodic bouts of generalized paralysis, facial palsy, chronic insomnia, seizures, dizziness, cognitive dysfunction, and memory loss...
2016: Parasites & Vectors
Tomomichi Iizuka, Masashi Kameyama
OBJECTIVE: The cingulate island sign (CIS), which refers to sparing of the posterior cingulate relative to the precuneus and cuneus, has been proposed as an FDG-PET imaging feature of dementia with Lewy bodies (DLB). The sign is reportedly associated with Alzheimer's disease (AD) type neurofibrillary tangle (NFT) pathology in autopsy cases. To confirm this relationship using neuroimaging modalities in vivo, we investigated associations between CIS and the medial temporal lobe (MTL) atrophy in DLB...
July 2016: Annals of Nuclear Medicine
Stephan Heckers
Neuroscientists have been exploring the mechanism of auditory verbal hallucinations. In this commentary, I review studies by Judy Ford, who employed a vocalization paradigm to test the hypothesis of impaired corollary discharge in psychotic patients who experience auditory verbal hallucinations. I highlight the strengths of this research program and reflect on the challenge of reducing a complex clinical feature to an abnormality of basic cognitive processes, such as language and memory.
March 2016: Psychophysiology
Neil Thomas, Susan L Rossell, Flavie Waters
This article reports on the Third Biennial Meeting of the International Consortium on Hallucinations Research, held in Melbourne, Australia, in October 2015. Following a public conference in which research findings were considered in relation to subjective experience and practice, 9 multidisciplinary working groups examined key current issues in progressing the conceptualization and research of hallucinations. Work group topics included: multicenter validation of the transdiagnostic and multimodal Questionnaire for Psychotic Experiences; development of an improved outcome measure for psychological therapies; the relationship between inhibition and hallucinations across multiple levels of explanation; hallucinations in relation to sleep phenomena; emotion and hallucinations; multiple interactions between the experience of self and hallucinations; interactions between language, auditory and memory networks; resting state networks including the default mode; and analyses arising from functional magnetic resonance imaging (fMRI) data-sharing...
July 2016: Schizophrenia Bulletin
Craig Steel
The relationship between hallucinations and life events is a topic of significant clinical importance. This review discusses the extent to which auditory and visual hallucinations may be directly related to traumatic events. Evidence suggests that intrusive images occur frequently within individuals who also report hallucinatory experiences. However, there has been limited research specifically investigating the extent to which hallucinations are the re-experiencing of a traumatic event. Our current theoretical understanding of these relationships, along with methodological difficulties associated with research in this area, are considered...
2015: Frontiers in Psychology
Aida Suárez-González, Sebastian J Crutch, Emilio Franco-Macías, Eulogio Gil-Néciga
BACKGROUND: Posterior cortical atrophy (PCA) is a rare neurodegenerative syndrome characterized by early progressive visual dysfunction in the context of relative preservation of memory and a pattern of atrophy mainly involving the posterior cortex. The aim of the present study is to characterize the neuropsychiatric profile of PCA. METHODS: The Neuropsychiatric Inventory was used to assess 12 neuropsychiatric symptoms (NPS) in 28 patients with PCA and 34 patients with typical Alzheimer disease (AD) matched by age, disease duration, and illness severity...
March 2016: Journal of Geriatric Psychiatry and Neurology
Manuel Grana, Darya Chyzhyk
Multivariate mathematical morphology (MMM) aims to extend the mathematical morphology from gray scale images to images whose pixels are high-dimensional vectors, such as remote sensing hyperspectral images and functional magnetic resonance images (fMRIs). Defining an ordering over the multidimensional image data space is a fundamental issue MMM, to ensure that ensuing morphological operators and filters are mathematically consistent. Recent approaches use the outputs of two-class classifiers to build such reduced orderings...
September 2016: IEEE Transactions on Neural Networks and Learning Systems
Simon McCarthy-Jones, Eleanor Longden
Auditory verbal hallucinations (AVH: 'hearing voices') are found in both schizophrenia and post-traumatic stress disorder (PTSD). In this paper we first demonstrate that AVH in these two diagnoses share a qualitatively similar phenomenology. We then show that the presence of AVH in schizophrenia is often associated with earlier exposure to traumatic/emotionally overwhelming events, as it is by definition in PTSD. We next argue that the content of AVH relates to earlier traumatic events in a similar way in both PTSD and schizophrenia, most commonly having direct or indirect thematic links to emotionally overwhelming events, rather than being direct re-experiencing...
2015: Frontiers in Psychology
Sang Won Jeon, Changsu Han
Oseltamivir is the most common antiviral drug used to treat and prevent influenza. Epidemiological studies performed in Japan, the United States, and the United Kingdom indicate that oseltamivir may cause psychiatric symptoms; however, the underlying mechanism has not been elucidated. In South Korea, interest in oseltamivir has increased with the spread of the new influenza virus; however, no case report or investigation of psychiatric symptoms associated with the drug has been reported to date. Here, we report a case of a 22-year-old male who complained of mood swings, suicidal feelings, auditory hallucinations, memory deterioration, and insomnia after taking oseltamivir...
August 31, 2015: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
M R Bensaïdane, Fortin M-P, G Damasse, M Chenard, C Dionne, M Duclos, R W Bouchard, R Laforce
Clinical indications of amyloid imaging in atypical dementia remain unclear. We report a 68-year-old female without past psychiatric history who was hospitalized for auditory hallucinations and persecutory delusions associated with cognitive and motor deficits. Although psychotic symptoms resolved with antipsychotic treatment, cognitive and motor impairments remained. She further showed severe visuoconstructive and executive deficits, ideomotor apraxia, elements of Gerstmann's syndrome, bilateral agraphesthesia and discrete asymmetric motor deficits...
November 26, 2014: Journal of Neurological Disorders
Robert R Luedtke, Claudia Rangel-Barajas, Mahinder Malik, David E Reichert, R H Mach
Neuropsychiatric disorders represent a substantial social and health care issue. The National Institutes of Health estimates that greater than 2 million adults suffer from neuropsychiatric disorders in the USA. These individuals experience symptoms that can include auditory hallucinations, delusions, unrealistic beliefs and cognitive dysfunction. Although antipsychotic medications are available, suboptimal therapeutic responses are observed for approximately one-third of patients. Therefore, there is still a need to explore new pharmacotherapeutic strategies for the treatment of neuropsychiatric disorders...
2015: Current Pharmaceutical Design
Marine Mondino, Jerome Brunelin, Ulrich Palm, Andre R Brunoni, Emmanuel Poulet, Shirley Fecteau
Schizophrenia is a severe and frequent neuropsychiatric disorder. Despite antipsychotic medications, up to 30% of patients with schizophrenia still report disabling treatment-resistant symptoms. Transcranial direct current stimulation (tDCS) has been proposed as a novel method to alleviate such symptoms. Here, we review studies investigating the effects of tDCS on symptoms, cognition, brain activity and cortical plasticity in patients with schizophrenia. We provide an up-to-date and comprehensive overview of the use of tDCS in patients with schizophrenia...
2015: Current Pharmaceutical Design
Hyun Jang, Sang Hoon Kim, Sang Hag Park, Il Han Choo, Seung Gon Kim
A 16-year-old woman was referred to us for depression and persistent suicidal and homicidal ideation. From 2010, the patient visited a neurologist due to recurrent grand mal epilepsy, auditory and visual hallucinations, episodic memory loss, and persistent depression. Upon admission, it was revealed through clinical history taking that she had suffered from chronic bullying from same-sex peers and sexual abuse, twice, from an adult male in the neighborhood when she was 10 years old. A brain magnetic resonance imaging study showed left mesial hippocampal sclerosis...
April 2015: Psychiatry Investigation
Johanne Hatteland Somme, Ana Molano Salazar, Amaia Gonzalez, Beatriz Tijero, Koldo Berganzo, Elena Lezcano, Manuel Fernandez Martinez, Juan Jose Zarranz, Juan Carlos Gómez-Esteban
OBJECTIVE: To compare the cognitive and psychiatric status of patients with Parkinson's disease related to the G2019S and the R1441G mutations of the LRRK2 gene (LRRK2-PD) and idiopathic Parkinson's disease (iPD) patients. METHODS: We examined cognition and psychiatric symptoms in 27 patients with LRRK2-PD (12 G2019S and 15 R1441G) and 27 iPD patients. RESULTS: The groups were similar in age, education, disease duration, levodopa equivalent daily dose, and Unified Parkinson's Disease Rating Scale (UPDRS) II-IV; however, the LRRK2-PD showed less impairment on UPDRS-I (2...
May 2015: Parkinsonism & related Disorders
Darya Chyzhyk, Manuel Graña, Döst Öngür, Ann K Shinn
Auditory hallucinations (AH) are a symptom that is most often associated with schizophrenia, but patients with other neuropsychiatric conditions, and even a small percentage of healthy individuals, may also experience AH. Elucidating the neural mechanisms underlying AH in schizophrenia may offer insight into the pathophysiology associated with AH more broadly across multiple neuropsychiatric disease conditions. In this paper, we address the problem of classifying schizophrenia patients with and without a history of AH, and healthy control (HC) subjects...
May 2015: International Journal of Neural Systems
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"