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Cognitive psychiatry

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https://www.readbyqxmd.com/read/28924188/dopamine-d1-receptor-subtype-mediates-acute-stress-induced-dendritic-growth-in-excitatory-neurons-of-the-medial-prefrontal-cortex-and-contributes-to-suppression-of-stress-susceptibility-in-mice
#1
R Shinohara, M Taniguchi, A T Ehrlich, K Yokogawa, Y Deguchi, Y Cherasse, M Lazarus, Y Urade, A Ogawa, S Kitaoka, A Sawa, S Narumiya, T Furuyashiki
Dopamine in prefrontal cortices is implicated in cognitive and emotional functions, and the dysfunction of prefrontal dopamine has been associated with cognitive and emotional deficits in mental illnesses. These findings have led to clinical trials of dopamine-targeting drugs and brain imaging of dopamine receptors in patients with mental illnesses. Rodent studies have suggested that dopaminergic pathway projecting to the medial prefrontal cortex (mPFC) suppresses stress susceptibility. Although various types of mPFC neurons express several dopamine receptor subtypes, previous studies neither isolated a role of dopamine receptor subtype nor identified the site of its action in mPFC...
September 19, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28924184/genetic-contributions-to-trail-making-test-performance-in-uk-biobank
#2
S P Hagenaars, S R Cox, W D Hill, G Davies, D C M Liewald, S E Harris, A M McIntosh, C R Gale, I J Deary
The Trail Making Test (TMT) is a widely used test of executive function and has been thought to be strongly associated with general cognitive function. We examined the genetic architecture of the TMT and its shared genetic aetiology with other tests of cognitive function in 23 821 participants from UK Biobank. The single-nucleotide polymorphism-based heritability estimates for trail-making measures were 7.9% (part A), 22.4% (part B) and 17.6% (part B-part A). Significant genetic correlations were identified between trail-making measures and verbal-numerical reasoning (rg>0...
September 19, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28914403/self-transformation-at-the-boundary-of-religious-conversion-and-psychosis
#3
Szabolcs Kéri
The relationship between religious conversion, as a form of spiritual emergency, and psychosis is one of the fundamental issues at the meeting point of theology and clinical psychology. In the present study, we assessed 53 individuals referred to a psychiatry center with the initial diagnosis of a psychotic episode by focusing on the clinical diagnosis (psychosis vs. spiritual emergency), subjective experiences (basic symptoms), and neuropsychological functions. Twenty-nine individuals meet the diagnosis of schizophrenia-spectrum disorders, but 24 persons experienced only religious and spiritual problems (religious conversion)...
September 15, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28900859/efficacy-of-surah-al-rehman-in-managing-depression-in-muslim-women
#4
Rafia Rafique, Afifa Anjum, Shazza Shazdey Raheem
The study empirically investigated the idea that Quranic verses (Surah Al-Rehman) can help manage depression. Abdullah Ibn Mas'ud (radiAllahu anhu) reported that the Prophet (salAllahu alayhi wasalam) said, "Everything has an adornment, and the adornment of the Qur'an is Surah Al-Rehman." Surah Al-Rehman is the most rhythmic surah of the Quran, so it was used for our experimental study. The idea of the study was drawn from the premise that music therapy helps reduce depression. The objective of the present study was to investigate the efficacy of Surah Al-Rehman for managing depression in Muslim women admitted for treatment of major depressive disorder in a psychiatry ward of a government hospital...
September 12, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28894304/quantification-of-brain-cholinergic-denervation-in-alzheimer-s-disease-using-pet-imaging-with-18-f-feobv
#5
M Aghourian, C Legault-Denis, J-P Soucy, P Rosa-Neto, S Gauthier, A Kostikov, P Gravel, M-A Bédard
(18)F-fluoroethoxybenzovesamicol (FEOBV) is a new PET radiotracer that binds to the vesicular acetylcholine transporter. In both animals and healthy humans, FEOBV was found sensitive and reliable to characterize presynaptic cholinergic nerve terminals in the brain. It has been used here for we believe the first time in patients with Alzheimer's disease (AD) to quantify brain cholinergic losses. The sample included 12 participants evenly divided in healthy subjects and patients with AD, all assessed with the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) cognitive scales...
September 12, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28875484/women-s-auto-biography-and-dissociative-identity-disorder-implications-for-mental-health-practice
#6
Kendal Tomlinson, Charley Baker
Dissociative Identity Disorder (DID) is an uncommon disorder that has long been associated with exposure to traumatic stressors exceeding manageable levels commonly encompassing physical, psychological and sexual abuse in childhood that is prolonged and severe in nature. In DID, dissociation continues after the traumatic experience and produces a disruption in identity where distinct personality states develop. These personalities are accompanied by variations in behaviour, emotions, memory, perception and cognition...
September 6, 2017: Journal of Medical Humanities
https://www.readbyqxmd.com/read/28874252/-neurosyphilis-as-differential-diagnosis-in-psychiatry
#7
Rikke Maria Nielsen, Elena Sadovina
A 46-year-old previously healthy man was referred to a psychiatric department after debuting with persecutory delusions. He had symptoms of Parkinson's disease as well as a significant impairment of memory and cognitive function. Neurological tests detected discrete balance and rigidity problems. Paraclinical tests were normal, and neurologists explained the symptoms as side effects to the antipsychotic medication. A lumbar puncture showed high concentrations of leukocytes and protein, and syphilis screening was positive...
September 4, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28870688/-what-do-virtual-reality-tools-bring-to-child-and-adolescent-psychiatry
#8
S Bioulac, E de Sevin, P Sagaspe, A Claret, P Philip, J A Micoulaud-Franchi, M P Bouvard
Virtual reality is a relatively new technology that enables individuals to immerse themselves in a virtual world. It offers several advantages including a more realistic, lifelike environment that may allow subjects to "forget" they are being assessed, allow a better participation and an increased generalization of learning. Moreover, the virtual reality system can provide multimodal stimuli, such as visual and auditory stimuli, and can also be used to evaluate the patient's multimodal integration and to aid rehabilitation of cognitive abilities...
September 1, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28859565/neuroplasticity-and-the-brain-connectome-what-can-jean-talairach-s-reflections-bring-to-modern-psychosurgery
#9
Pierre Bourdillon, Caroline Apra, Marc Lévêque, Fabien Vinckier
Contrary to common psychosurgical practice in the 1950s, Dr. Jean Talairach had the intuition, based on clinical experience, that the brain connectome and neuroplasticity had a role to play in psychosurgery. Due to the remarkable progress of pharmacology at that time and to the technical limits of neurosurgery, these concepts were not put into practice. Currently, these concepts are being confirmed by modern techniques such as neuroimaging and computational neurosciences, and could pave the way for therapeutic innovation in psychiatry...
September 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28838467/a-formal-valuation-framework-for-emotions-and%C3%A2-their-control
#10
REVIEW
Quentin J M Huys, Daniel Renz
Computational psychiatry aims to apply mathematical and computational techniques to help improve psychiatric care. To achieve this, the phenomena under scrutiny should be within the scope of formal methods. As emotions play an important role across many psychiatric disorders, such computational methods must encompass emotions. Here, we consider formal valuation accounts of emotions. We focus on the fact that the flexibility of emotional responses and the nature of appraisals suggest the need for a model-based valuation framework for emotions...
September 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28836181/a-simulation-exercise-to-raise-learners-awareness-of-the-physical-and-cognitive-changes-in-older-adults
#11
Izabella Dutra de Abreu, Marilyn Hinojosa-Lindsey, Ali Abbas Asghar-Ali
OBJECTIVE: The growing number of older adults with cognitive impairment is increasing the need for healthcare services. However, there is a great shortage of geriatric trained primary care providers and psychiatrists. A positive attitude towards people with cognitive impairment is associated with better quality of life among residents of long-term care settings. This led us to develop a simulation exercise to raise learners' awareness of, and attentiveness to, physical and cognitive changes experienced by the aging population...
August 23, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28835295/confirmatory-factor-analysis-of-the-beck-depression-inventory-ii-in-patients-with-advanced-cancer-a-theory-driven-approach
#12
Kristen G Tobias, Jonathan Lehrfeld, Barry Rosenfeld, Hayley Pessin, William Breitbart
OBJECTIVE: The diagnosis and treatment of depression are complicated by the presence of a serious medical illness, such as cancer. The role of inflammation in the pathophysiology of depression remains unknown; however, the symptom cluster of sickness behavior is more clearly related to inflammation. Symptom clusters may provide the specificity needed to improve treatment outcomes. The purpose of this study is to use confirmatory factor analysis to examine the construct of sickness behavior in patients with advanced cancer using the Beck Depression Inventory-II (BDI-II)...
August 24, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/28827761/copy-number-elevation-of-22q11-2-genes-arrests-the-developmental-maturation-of-working-memory-capacity-and-adult-hippocampal-neurogenesis
#13
S Boku, T Izumi, S Abe, T Takahashi, A Nishi, H Nomaru, Y Naka, G Kang, M Nagashima, A Hishimoto, S Enomoto, G Duran-Torres, K Tanigaki, J Zhang, K Ye, S Kato, P T Männistö, K Kobayashi, N Hiroi
Working memory capacity, a critical component of executive function, expands developmentally from childhood through adulthood. Anomalies in this developmental process are seen in individuals with autism spectrum disorder (ASD), schizophrenia and intellectual disabilities (ID), implicating this atypical process in the trajectory of developmental neuropsychiatric disorders. However, the cellular and neuronal substrates underlying this process are not understood. Duplication and triplication of copy number variants of 22q11...
August 22, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28809400/prenatal-one-carbon-metabolism-dysregulation-programs-schizophrenia-like-deficits
#14
A Alachkar, L Wang, R Yoshimura, A R Hamzeh, Z Wang, N Sanathara, S M Lee, X Xu, G W Abbott, O Civelli
The methionine-folate cycle-dependent one-carbon metabolism is implicated in the pathophysiology of schizophrenia. Since schizophrenia is a developmental disorder, we examined the effects that perturbation of the one-carbon metabolism during gestation has on mice progeny. Pregnant mice were administered methionine equivalent to double their daily intake during the last week of gestation. Their progeny (MET mice) exhibited schizophrenia-like social deficits, cognitive impairments and elevated stereotypy, decreased neurogenesis and synaptic plasticity, and abnormally reduced local excitatory synaptic connections in CA1 neurons...
August 15, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28805197/family-of-a-person-suffering-from-schizophrenia-in-the-context-of-a-qualitative-approach-to-understanding-the-family-as-a-system
#15
Andrzej Witusik
Qualitative analysis of the family system including a person suffering from schizophrenia is an underestimated research paradigm in modern psychiatry, clinical psychology and psychotherapy. This method is important both from the cognitive point of view and for evaluation of the effectiveness of therapy. AIM: The aim of the study was a qualitative analysis of the therapeutic process in a family whose member is suffering from schizophrenic psychosis. MATERIALS AND METHODS: The study of the process using qualitative research methodology in the paradigm of systemic thinking pointing to the mutual interactions in the family system inducing relapses in the identified patient, with identification of triangulation processes, transgenerational myths inheritance and coalitions formed by the family members...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28805173/latent-traits-of-impulsivity-and-compulsivity-toward-dimensional-psychiatry
#16
S R Chamberlain, J Stochl, S A Redden, J E Grant
BACKGROUND: The concepts of impulsivity and compulsivity are commonly used in psychiatry. Little is known about whether different manifest measures of impulsivity and compulsivity (behavior, personality, and cognition) map onto underlying latent traits; and if so, their inter-relationship. METHODS: A total of 576 adults were recruited using media advertisements. Psychopathological, personality, and cognitive measures of impulsivity and compulsivity were completed...
August 14, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28794897/uncovering-capgras-delusion-using-a-large-scale-medical-records-database
#17
Vaughan Bell, Caryl Marshall, Zara Kanji, Sam Wilkinson, Peter Halligan, Quinton Deeley
BACKGROUND: Capgras delusion is scientifically important but most commonly reported as single case studies. Studies analysing large clinical records databases focus on common disorders but none have investigated rare syndromes. AIMS: Identify cases of Capgras delusion and associated psychopathology, demographics, cognitive function and neuropathology in light of existing models. METHOD: Combined computational data extraction and qualitative classification using 250 000 case records from South London and Maudsley Clinical Record Interactive Search (CRIS) database...
July 2017: BJPsych Open
https://www.readbyqxmd.com/read/28774786/family-caregiving-a-vision-for-the-future
#18
Richard Schulz, Sara J Czaja
The authors of this review both served on the National Academy of Science, Engineering, and Medicine Committee that produced the report, "Caring for an Aging America". In this commentary we summarize key findings and recommendations most relevant to clinicians and researchers in geriatric psychiatry and related disciplines. The report notes the growing prevalence of family caregiving in the United States, especially those caring for high-need patients with multiple chronic conditions, disability, and/or cognitive impairment...
July 4, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28763183/-the-most-cited-themes-in-the-research-in-the-field-of-mental-health-analyses-of-six-international-nursing-and-medical-journals
#19
Laura Cunico, Susanna Fredo, Massimo Bernini
INTRODUCTION: The review aimed to identify and analyse the future development on the topic by analysing the main themes discussed in number of scientific journal focused on Mental Health both by nurses and physicians.. METHOD: 4 international journals focused on Mental health and psychiatry International Journal of Mental Health Nursing, Archives of Psychiatric Nursing, American Journal of Psychiatry, Australian and New Zeland Journal of Psychiatry as well as two journal focused generically on health, Journal of Advanced Nursing and Lancet were scrutinized...
April 2017: Professioni Infermieristiche
https://www.readbyqxmd.com/read/28746324/assessment-of-automatic-thoughts-in-patients-with-depressive-illness-at-a-tertiary-hospital-in-nepal
#20
M Rana, S Sthapit, V D Sharma
INTRODUCTION: Cognitive functions have significant influence on psycho-social and general wellbeing. The quality, content and processing of negative thoughts initiate depressive symptoms; i.e. low mood, decreased self-worth and diminished interest in pleasurable activities. The study assessed the automatic thoughts of patients having depressive illness and evaluated and compared the changes after therapy; i.e. Psychotherapy and pharmacotherapy. METHODS: Diagnosed cases of depressive illness (n=135), according to ICD-10 and study criteria, attending the out-patient clinic of Department of Psychiatry and Mental Health, Tribhuvan University Teaching Hospital, were included...
April 2017: JNMA; Journal of the Nepal Medical Association
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