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Psychosis and sleep

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https://www.readbyqxmd.com/read/29136236/basic-neuroscience-illuminates-causal-relationship-between-sleep-and-memory-translating-to-schizophrenia
#1
Ana Pocivavsek, Laura M Rowland
Patients with schizophrenia are often plagued by sleep disturbances that can exacerbate the illness, including potentiating psychosis and cognitive impairments. Cognitive dysfunction is a core feature of schizophrenia with learning and memory being particularly impaired. Sleep disruptions often accompanying the illness and may be key mechanism that contribute to these core dysfunctions. In this special translational neuroscience feature, we highlight the role of sleep in mediating cognitive function, with a special focus on learning and memory...
November 9, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29081329/treating-sleep-problems-in-young-people-at-ultra-high-risk-of-psychosis-a-feasibility-case-series
#2
Jonathan Bradley, Daniel Freeman, Eleanor Chadwick, Allison G Harvey, Bradley Mullins, Louise Johns, Bryony Sheaves, Belinda Lennox, Matthew Broome, Felicity Waite
BACKGROUND: Our view is that sleep disturbance may be a contributory causal factor in the development and maintenance of psychotic experiences. A recent series of randomized controlled intervention studies has shown that cognitive-behavioural approaches can improve sleep in people with psychotic experiences. However, the effects of psychological intervention for improving sleep have not been evaluated in young people at ultra-high risk of psychosis. Improving sleep might prevent later transition to a mental health disorder...
October 30, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/29073635/huntington-s-disease-premotor-phase
#3
Ana Rita Saldanha Ramos, Carolina Garrett
Huntington's disease (HD) is an incurable, neurodegenerative disease, which manifests via a triad of progressive symptoms: motor impairment, psychiatric disorders, and cognitive decline. Conventionally, the HD diagnosis is based on the presence of involuntary choreiform movements and a positive genetic test for the CAG-expanded allele gene. Although the diagnosis focuses on the motor part of the triad, there is increasing evidence that both cognitive and neuropsychiatric symptoms can, and often do, present decades before the onset of motor symptoms...
October 27, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29067350/neuropsychiatric-signs-and-symptoms-of-alzheimer-s-disease-new%C3%A2-treatment-paradigms
#4
REVIEW
Krista L Lanctôt, Joan Amatniek, Sonia Ancoli-Israel, Steven E Arnold, Clive Ballard, Jiska Cohen-Mansfield, Zahinoor Ismail, Constantine Lyketsos, David S Miller, Erik Musiek, Ricardo S Osorio, Paul B Rosenberg, Andrew Satlin, David Steffens, Pierre Tariot, Lisa J Bain, Maria C Carrillo, James A Hendrix, Heidi Jurgens, Brendon Boot
Neuropsychiatric symptoms (NPSs) are hallmarks of Alzheimer's disease (AD), causing substantial distress for both people with dementia and their caregivers, and contributing to early institutionalization. They are among the earliest signs and symptoms of neurocognitive disorders and incipient cognitive decline, yet are under-recognized and often challenging to treat. With this in mind, the Alzheimer's Association convened a Research Roundtable in May 2016, bringing together experts from academia, industry, and regulatory agencies to discuss the latest understanding of NPSs and review the development of therapeutics and biomarkers of NPSs in AD...
September 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29046178/a-psychiatric-formulary-for-long-duration-spaceflight
#5
Eric Friedman, Brian Bui
Behavioral health is essential for the safety, well-being, and performance of crewmembers in both human spaceflight and Antarctic exploration. Over the past five decades, psychiatric issues have been documented in orbital spaceflight. In Antarctica, literature suggests up to 5% of wintering crewmembers could meet criteria for a psychiatric illness, including mood disorders, stressor-related disorders, sleep-wake disorders, and substance-related disorders. Experience from these settings indicates that psychiatric disorders on deep space missions must be anticipated...
November 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29043929/a-survey-based-study-identifies-common-but-unrecognized-symptoms-in-a-large-series-of-juvenile-huntington-s-disease
#6
Amelia D Moser, Eric Epping, Patricia Espe-Pfeifer, Erin Martin, Leah Zhorne, Katherine Mathews, Martha Nance, Denise Hudgell, Oliver Quarrell, Peg Nopoulos
AIM: The symptoms of Huntington's disease are well known, yet the symptoms of juvenile Huntington's disease (JHD) are less established due to its rarity. The study examined a cluster of symptoms considered to be common, but under-recognized in JHD: pain, itching, sleeping difficulties, psychosis and tics. MATERIALS & METHODS: A symptom survey was constructed using the online tool Qualtrics and dispersed to JHD caregivers through websites. RESULTS: A total of 33 surveys were completed...
October 18, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28990131/diagnosis-and-management-of-cognitive-and-behavioral-changes-in-dementia-with-lewy-bodies
#7
REVIEW
Babak Tousi
Proper diagnosis of dementia with Lewy bodies (DLB) in clinical practice remains suboptimal as many cases are misdiagnosed, usually as Alzheimer disease (AD) or Parkinson's disease (PD) and, in rare cases, psychosis. Therefore, it is important for patients with dementia to be thoroughly evaluated by a specialist who is familiar with current diagnostic tests and treatment options. New diagnostic criteria from the Dementia with Lewy Bodies Consortium have been developed to increase diagnostic sensitivity for DLB (Diagnosis and management of dementia with Lewy bodies: fourth consensus report of the DLB Consortium; McKeith et al...
October 9, 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28959452/predicting-early-transition-from-sub-syndromal-presentations-to-major-mental-disorders
#8
Shane P M Cross, Jan Scott, Ian B Hickie
BACKGROUND: Transition from at-risk state to full syndromal mental disorders is underexplored for unipolar and bipolar disorders compared with psychosis. AIMS: Prospective, trans-diagnostic study of rates and predictors of early transition from sub-threshold to full syndromal mental disorder. METHOD: One-year outcome of 243 consenting youth aged 15-25 years with a sub-syndromal presentation of a potentially severe mental disorder. Survival analysis and odds ratio (OR) for predictors of transition identified from baseline clinical and demographic ratings...
September 2017: BJPsych Open
https://www.readbyqxmd.com/read/28953789/benzodiazepines-as-adjunctive-therapy-in-treatment-refractory-symptoms-of-schizophrenia
#9
Joanna Szarmach, Adam Włodarczyk, Wiesław Jerzy Cubała, Mariusz Stanisław Wiglusz
Antipsychotics are a key intervention strategy in pharmacotherapy in schizophrenia. However, the benzodiazepines are often prescribed to control sleep disturbances, anxiety or hostile behaviour. There is some evidence supporting the combination therapy with antipsychotics and benzodiazepines providing beneficiary treatment effect to the psychosis in positive and negative symptom domains as well as catatonia or adverse reactions to antipsychotic drugs. In particular, in a population suffering from residual symptoms of schizophrenia, in particular anxiety, emotional flattening, being refractory to approved treatment strategies, benzodiazepines as add-on to antipsychotics seem to be an option...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28953788/benzodiazepines-in-combination-with-antipsychotic-drugs-for-schizophrenia-gaba-ergic-targeted-therapy
#10
Adam Włodarczyk, Joanna Szarmach, Wiesław Jerzy Cubała, Mariusz Stanisław Wiglusz
Antipsychotics are a key intervention strategy in pharmacotherapy of schizophrenia. However, benzodiazepines are often prescribed to control sleep disturbances, anxiety or behavioural disinhibition. There is clinical evidence for the beneficial effect of the combined treatment of antipsychotics and benzodiazepines resulting in more favorable treatment outcome in schizophrenia with regard to positive and negative symptoms. This clinical phenomenon seems to be associated with the GABA-ergic activit ythat is believed to be disrupted in the schizophrenia and direct benzodiazepines effect on GABA-A receptors...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28935167/impact-of-lifetime-traumatic-experiences-on-suicidality-and-likelihood-of-conversion-in-a-cohort-of-individuals-at-clinical-high-risk-for-psychosis
#11
Margaux M Grivel, Wei Leong, Michael D Masucci, Rebecca A Altschuler, Leigh Y Arndt, Samantha L Redman, Lawrence H Yang, Gary Brucato, Ragy R Girgis
Recent research suggests that trauma history (TH) is a strong socio-environmental risk factor for the development of psychosis. While reported rates of childhood trauma are higher among individuals at clinical high-risk (CHR) for psychosis than in the general population, little research has explored the effects of trauma upon the severity of attenuated positive symptoms. We aimed to explore the specific relationships between TH and baseline symptom severity; likelihood of conversion to full-blown psychosis; suicidal ideation (SI); and suicidal behavior (SB) in a cohort of 200 help-seeking CHR individuals...
September 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28928050/predictors-of-onset-of-psychosis-in-patients-with-parkinson-s-disease-who-gets-it-early
#12
Abhishek Lenka, Lija George, Shyam Sundar Arumugham, Shantala Hegde, Venkateswara Reddy, Nitish Kamble, Ravi Yadav, Pramod Kumar Pal
INTRODUCTION: Psychosis is one of the common non-motor symptoms of PD, which substantially worsens the quality of life. Hence, it is important to identify factors that are associated with early onset of psychosis in PD. In order to identify those factors, the current study aims to compare various demographic and clinical features of PD patients with early and late onset psychosis. METHODOLOGY: In this prospective case-control study, 51 consecutive patients with PD having psychosis (PDP) were recruited...
September 14, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28889048/mania-triggered-by-sleep-loss-and-risk-of-postpartum-psychosis-in-women-with-bipolar-disorder
#13
Katie J S Lewis, Arianna Di Florio, Liz Forty, Katherine Gordon-Smith, Amy Perry, Nick Craddock, Lisa Jones, Ian Jones
BACKGROUND: Women with bipolar disorder are at high risk of affective psychoses following childbirth (i.e. "postpartum psychosis", PP) and there is a need to identify which factors underlie this increased risk. Vulnerability to mood dysregulation following sleep loss may influence risk of PP, as childbirth is typified by sleep disruption. We investigated whether a history of mood episodes triggered by sleep loss was associated with PP in women with bipolar disorder (BD). METHODS: Participants were 870 parous women with BD recruited to the Bipolar Disorder Research Network...
January 1, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28881294/sleep-disturbance-may-impact-treatment-outcome-in-bipolar-disorder-a-preliminary-investigation-in-the-context-of-a-large-comparative-effectiveness-trial
#14
Louisa G Sylvia, Weilynn C Chang, Masoud Kamali, Mauricio Tohen, Gustavo Kinrys, Thilo Deckersbach, Joseph R Calabrese, Michael E Thase, Noreen Reilly-Harrington, William V Bobo, James H Kocsis, Melvin G McInnis, Charles L Bowden, Terence A Ketter, Edward S Friedman, Richard C Shelton, Susan L McElroy, Keming Gao, Dustin J Rabideau, Andrew A Nierenberg
BACKGROUND: Bipolar patients experience sleep disturbances during and between mood episodes. Yet the impact of sleep on treatment with different medications has not been fully explored. The purpose of this paper is to explore the potential impact of poor sleep at baseline on outcomes in a randomized effectiveness trial of quetiapine and lithium. METHODS: The Bipolar CHOICE study was a 6-month, parallel group, multisite randomized controlled trial. Participants with bipolar disorder (N = 482; 59% female and age 18-70 years) received quetiapine or lithium...
January 1, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28876969/noncognitive-behavioral-changes-associated-with-alzheimer-s-disease-implications-of-neuroimaging-findings
#15
Jeff Victoroff, Feng V Lin, Kerry L Coburn, Samuel D Shillcutt, Valerie Voon, Simon Ducharme
Alzheimer's disease (AD) is commonly associated with noncognitive behavioral changes (NCBCs). The authors systematically reviewed whether neuroimaging has helped with understanding the pathophysiology, diagnosis, or management of NCBCs associated with AD, including depression, aggression or agitation, anxiety, apathy, psychosis, and sleep disorder. The authors identified dissociable neural substrates with multimodal imaging: depression implicates the lateral and superior prefrontal cortex; apathy and agitation implicate the dorsal anterior cingulate; psychosis implicates right lateralized frontal and medial temporal areas; and anxiety implicates mesial temporal regions...
September 6, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28837931/modifiable-cardiometabolic-risk-factors-in-youth-with-at-risk-mental-states-a-cross-sectional-pilot-study
#16
Oscar Lederman, Simon Rosenbaum, Chris Maloney, Jackie Curtis, Philip B Ward
Young people experiencing psychotic illness engage in low amounts of physical activity have poor fitness levels and poor sleep quality. This study aimed to determine the prevalence of these modifiable cardiometabolic risk factors among individuals with at-risk mental states (ARMS), who are at increased risk of developing psychosis. A cross-sectional study was conducted in a community-based youth mental health service. Thirty participants (23%♀, 21.3 ± 1.7 years old) were recruited, 10 with ARMS, 10 with first-episode psychosis (FEP) and 10 healthy volunteers...
August 16, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28827040/effect-of-sleep-patterns-on-levetiracetam-induced-mood-changes
#17
Randip Taneja, Krystal Hunter, Evren Burakgazi-Dalkilic, Melissa Carran
A common side effect of levetiracetam is the onset of neuropsychiatric symptoms such as mood changes including depression, anxiety, agitation, and sometimes psychosis. We performed a retrospective analysis to examine the effect of sleep pattern and chronotype on individual susceptibility to levetiracetam-induced mood changes. We reviewed records of 110 adults with epilepsy presenting to our clinic during a 3-month period, and categorized them into those currently on levetiracetam, and those no longer taking it because of mood-related adverse effects...
August 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28805579/nonmotor-manifestations-of-wilson-s-disease
#18
Samar Biswas, Neelanjana Paul, Shyamal K Das
Wilson disease (WD) is an autosomal genetic disorder characterized by excessive copper deposition initially in liver (hepatic variant) followed by brain (neuropsychiatric variant) and other organs such as cornea and kidney due to defect in biliary copper excretion. Predominant presentations of neuropsychiatric variant are extrapyramidal motor dysfunctions such as dystonias, Parkinsonism, choreoathetosis, tremor, and ataxias. Nonmotor symptoms (NMS) can appear before clinical disease expression and during ongoing disease process...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28802918/genes-and-nonmotor-symptoms-in-parkinson-s-disease
#19
Ee-Wei Lim, Eng-King Tan
Published data on genetic risk factors of nonmotor symptoms (NMS) are relatively lacking since the first mutation responsible for Parkinson's disease (PD) being reported in 1996. This chapter provides a concise summary of genetic links to common individual NMS such as cognitive impairment, depression, psychosis, olfactory dysfunction, pain, and sleep disorders. Although some genetic variants such as apolipoprotein E and glucocerebrosidase demonstrate consistent links with certain NMS, it is difficult to draw definitive conclusions...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28769081/lifetime-self-reported-arthritis-is-associated-with-elevated-levels-of-mental-health-burden-a-multi-national-cross-sectional-study-across-46-low-and-middle-income-countries
#20
Brendon Stubbs, Nicola Veronese, Davy Vancampfort, Trevor Thompson, Cristiano Kohler, Patricia Schofield, Marco Solmi, James Mugisha, Kai G Kahl, Toby Pillinger, Andre F Carvalho, Ai Koyanagi
Population-based studies investigating the relationship of arthritis with mental health outcomes are lacking, particularly among low- and middle-income countries (LMICs). We investigated the relationship between arthritis and mental health (depression spectrum, psychosis spectrum, anxiety, sleep disturbances and stress) across community-dwelling adults aged ≥18 years across 46 countries from the World Health Survey. Symptoms of psychosis and depression were established using questions from the Mental Health Composite International Diagnostic Interview...
August 2, 2017: Scientific Reports
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