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Psychosis and sleep

Jan Cosgrave, Katharina Wulff, Philip Gehrman
PURPOSE OF REVIEW: The review is designed to give an overview of the latest developments in research exploring the relationship between sleep and psychosis, with particular attention paid to the evidence for a causal relationship between the two. RECENT FINDINGS: The most interesting avenues currently in pursuit are focused upon sleep spindle deficits which may hallmark an endophenotype; explorations of the continuum of psychotic experiences, and experimental manipulations to explore the evidence for bidirectional causality; inflammatory markers, psychosis and sleep disturbances and finally, treatment approaches for sleep in psychosis and the subsequent impact on positive experiences...
March 13, 2018: Current Opinion in Psychiatry
Nicole D Andorko, Zachary B Millman, Elizabeth Klingaman, Deborah Medoff, Emily Kline, Jordan DeVylder, Gloria Reeves, Jason Schiffman
Psychosis-like experiences (PLEs), or attenuated positive symptoms of psychosis, present along a severity continuum and have been associated with distressing thoughts and impairments in functioning. Although knowledge of the clinical importance of PLEs is expanding, risk factors for their expression are still poorly understood. Sleep disturbances are one known factor that exacerbate PLEs expression and distress, and trauma exposure is associated with occurrence of PLEs, as well as increased risk of later sleep difficulties...
March 8, 2018: Schizophrenia Research
Rebecca McKetin
BACKGROUND AND AIMS: To review early case reports and experimental inductions of amphetamine and methamphetamine psychosis, prior to the prohibition of these drugs, to gain a better understanding of the nature and aetiology of methamphetamine psychosis. METHODS: Papers considered were historical case reports and case series of psychosis relating to the use and misuse of prescription amphetamine, focusing upon papers by Young & Scoville (1938), Connell (1958), and three subsequent experimental studies published in the early 1970s (Griffith 1972, Angrist & Gershon 1970 and Bell 1973), where psychosis was induced in volunteers using high-dose amphetamine and methamphetamine...
March 8, 2018: Addiction
Man Amanat, Mona Salehi, Nima Rezaei
Psoriasis used to be known as a skin disorder; however, it can now be considered as a systemic disease with the involvement of multiple organs. Neurological and psychiatric disorders are some of the associated problems that can be observed in patients with psoriasis. Stroke, multiple sclerosis, seizure, migraine, restless leg syndrome, Parkinson's disease, Guillain-Barré syndrome, and myasthenia gravis are the reported neurological diseases, while depression, bipolar mood disorder, anxiety, psychosis, cognitive impairment, personality disorders, sexual disorders, sleep disturbance, and eating disorders are the recognized psychiatric presentations in patients with psoriasis...
March 6, 2018: Reviews in the Neurosciences
Amanda K Kitten, Sarah A Hallowell, Stephen R Saklad, Kirk E Evoy
Objective : Pimavanserin is the first United States Food and Drug Administration (FDA)-approved treatment for Parkinson's disease psychosis (PDP). This article reviews the safety, efficacy, and pharmacology data for pimavanserin and its role in therapy. Method of Research: Initial literature sources were identified via MEDLINE search (1946-September 2016) of pimavanserin and ACP-103 (original molecular designation). Reference review and search of and yielded additional studies. English-language studies of pimavanserin for PDP were evaluated...
February 1, 2018: Innovations in Clinical Neuroscience
Rahel Hoffmann, Julia Große, Michaela Nagl, Dietger Niederwieser, Anja Mehnert, Anette Kersting
BACKGROUND: Approximately 10% of the individuals experiencing the death of a loved one develop prolonged grief disorder (PGD) after bereavement. Family members of haematological cancer patients might be particularly burdened since their loss experience is preceded by a very strenuous time of disease and aggressive treatment. However, support needs of relatives of cancer patients often remain unmet, also after the death of the patient. Therapeutic possibilities are enhanced by providing easily available and accessible Internet-based therapies...
February 27, 2018: BMC Psychiatry
Lindsay M Smith, Juliana Onwumere, Thomas Craig, Elizabeth Kuipers
AIM: Looking after someone in the early stages of psychosis can have a negative impact on caregivers, but there is little clarity about which interventions, if any, caregivers should be offered. This study investigated sleep disturbances in early psychosis caregivers and the relationship between their sleep quality and distress. METHOD: In all, 79 caregivers of patients with a recent first episode of psychosis completed self-report measures including the Pittsburgh Sleep Quality Index (PSQI), the RAND 36-item Health Survey 1...
February 8, 2018: Early Intervention in Psychiatry
Suhong Chen, Kai Lin, Hanxiao Wang, Miyae Yamakawa, Kiyoko Makimoto, Xiaoyan Liao
BACKGROUND: With the increasing number of dementia patients in China, there is a pressing need for a reliable and valid Chinese instrument that can measure neuropsychiatric symptoms in institutionalized dementia patients. This study examined the reliability and structural validity of the Chinese version of the Neuropsychiatric Inventory, Nursing Home version (NPI-NH), in a sample of institutionalized dementia patients in China. METHODS: A total of 112 residents with dementia (Clinical Dementia Rating = 1: 10...
February 6, 2018: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
Arielle Ered, Shanna Cooper, Lauren M Ellman
Poor sleep quality has been repeatedly linked to the entire psychosis continuum, including psychotic-like experiences (PLEs); however, sleep dysfunction is a component of several other psychopathologies that have also been linked to increased risk for PLEs, including depression, anxiety, and post-traumatic stress disorder (PTSD). It has yet to be examined if PLEs are a significant risk factor for poor sleep quality or if this sleep dysfunction is better accounted for by comorbid psychopathology. In 2687 undergraduates, PLEs were evaluated using the positive items of the Prodromal Questionnaire...
December 26, 2017: Journal of Psychiatric Research
Cristina Politi, Cinzia Ciccacci, Giuseppe Novelli, Paola Borgiani
Parkinson's disease (PD) is a complex neurodegenerative disorder characterized by a progressive loss of dopamine neurons of the central nervous system. The disease determines a significant disability due to a combination of motor symptoms such as bradykinesia, rigidity and rest tremor and non-motor symptoms such as sleep disorders, hallucinations, psychosis and compulsive behaviors. The current therapies consist in combination of drugs acting to control only the symptoms of the illness by the replacement of the dopamine lost...
January 5, 2018: Neuromolecular Medicine
Gargi Mondal, Vikrant Bajaj, B L Goyal, Nirmalya Mukherjee
BACKGROUND: Sleep disorders are frequently associated with psychiatric disorders and can be both cause and effect of the same. AIM: To study the prevalence of sleep disorders and the severity of insomnia in psychiatric outpatients. METHODS: 500 patients were randomly selected using purposive sampling from patients attending a tertiary level mental health care facility were evaluated for the presence of any sleep disorder along with their sleep quality...
February 2018: Asian Journal of Psychiatry
Elke Wynberg, Eleri Williams, Gareth Tudor-Williams, Hermione Lyall, Caroline Foster
BACKGROUND: Efavirenz, a non-nucleoside reverse transcriptase inhibitor (NNRTI) is used globally as first-line antiretroviral therapy (ART) in combination with a dual nucleoside backbone in adults and children from 3 years of age. Up to 40% of adults taking efavirenz report central nervous system (CNS) adverse effects, and the rates of discontinuation of efavirenz-based treatment are higher than other first-line regimens. Data on efavirenz discontinuation are more limited for children and adolescents...
November 27, 2017: Clinical Drug Investigation
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
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
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...
2017: Neuro-degenerative Diseases
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
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
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
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
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
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