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https://www.readbyqxmd.com/read/28345513/-schizophrenia-and-oral-health
#1
M Moullan, F Denis
Mental health is an essential component of general health. Schizophrenia is a severe and chronic mental illness that affects higher brain functions. It is characterized by the presence of a mental dissociation, dampened or inappropriate affects, hallucinations and delirium. Schizophrenia has also a negative impact on oral health. As schizophrenia affects 1% of the population, every practitioner concerned with oral sphere will be confronted one day or another with a patient suffering from this disease. It is therefore important to acquire essential notions...
March 24, 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28344551/construction-and-analysis-of-weighted-brain-networks-from-sice-for-the-study-of-alzheimer-s-disease
#2
Jorge Munilla, Andrés Ortiz, Juan M Górriz, Javier Ramírez
Alzheimer's Disease (AD) is the most common neurodegenerative disease in elderly people, and current drugs, unfortunately, do not represent yet a cure but only slow down its progression. This is explained, at least in part, because the understanding of the neurodegenerative process is still incomplete, being sometimes mistaken, particularly at the first steps of the illness, with the natural aging process. A better identification of how the functional activity deteriorates is thus crucial to develop new and more effective treatments...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28343167/the-unappreciated-roles-of-the-cholecystokinin-receptor-cck-1-in-brain-functioning
#3
Santiago Ballaz
The CCK(1) receptor is a G-protein-coupled receptor activated by the sulfated forms of cholecystokinin (CCK), a gastrin-like peptide released in the gastrointestinal tract and mammal brain. A substantial body of research supports the hypothesis that CCK(1)r stimulates gallbladder contraction and pancreatic secretion in the gut, as well as satiety in brain. However, this receptor may also fulfill relevant roles in behavior, thanks to its widespread distribution in the brain. The strategic location of CCK(1)r in mesolimbic structures and specific hypothalamic and brainstem nuclei lead to complex interactions with neurotransmitters like dopamine, serotonin, and glutamate, as well as hypothalamic hormones and neuropeptides...
March 25, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28340316/quality-of-relationship-between-veterans-with-traumatic-brain-injury-and-their-family-members
#4
Laraine Winter, Helene J Moriarty
OBJECTIVES: The quality of the relationship between patients with many illnesses and their family members has been shown to affect the well-being of both. Yet, relationship quality has not been studied in traumatic brain injury (TBI), and giving and receiving aspects have not been distinguished. The present study of veterans with TBI examined associations between relationship quality and caregiver burden, satisfaction with caregiving, and veterans' competence in interpersonal functioning, rated by veterans and family members...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28338742/brain-mechanisms-for-loss-of-awareness-of-thought-and-movement
#5
Eamonn Walsh, David A Oakley, Peter W Halligan, Mitul A Mehta, Quinton Deeley
Loss or reduction of awareness is common in neuropsychiatric disorders and culturally influenced dissociative phenomena but the underlying brain mechanisms are poorly understood. fMRI was combined with suggestions for automatic writing in 18 healthy highly hypnotically suggestible individuals in a within-subjects design to determine whether clinical alterations in awareness of thought and movement can be experimentally modelled and studied independently of illness. Subjective ratings of control, ownership, and awareness of thought and movement, and fMRI data were collected following suggestions for thought insertion and alien control of writing movement, with and without loss of awareness...
February 17, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28336122/familial-acute-necrotizing-encephalopathy-with-ranbp2-mutation-the-first-report-in-northeast-asia
#6
Yun-Jeong Lee, Su-Kyeong Hwang, So Mi Lee, Soonhak Kwon
BACKGROUND: Acute necrotizing encephalopathy (ANE) is a rare but rapidly progressing encephalopathy following a febrile illness, commonly a viral infection. It is characterized by the features of acute encephalopathy such as seizure, alteration of consciousness, and symmetric involvement of the bilateral thalamus on neuroimaging tests. Although most ANE cases have occurred sporadically, familial or recurrent ANE has been reported in Caucasian patients, with genetic susceptibility to ANE noted in some patients due to a RANBP2 mutation...
March 20, 2017: Brain & Development
https://www.readbyqxmd.com/read/28335844/heart-failure-induced-brain-injury
#7
REVIEW
Ofer Havakuk, Kevin S King, Luanda Grazette, Andrew J Yoon, Michael Fong, Noa Bregman, Uri Elkayam, Robert A Kloner
Heart failure (HF) is a systemic illness with grave implications for bodily functions. The brain, among other vital organs, often suffers insults as a result of HF, and both anatomic and functional brain abnormalities were found in the HF population. This injury was demonstrated across a wide range of clinical conditions and cardiac functions and was shown to affect patients' outcomes. Although reduced cardiac output and high burden of cardiovascular risk factors are the prevailing explanations for these findings, there are data showing the involvement of neurohormonal, nutritional, and inflammatory mechanisms in this complex process...
March 28, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28335673/modifiable-risk-factors-for-delirium-in-critically-ill-trauma-patients
#8
Marc-Alexandre Duceppe, David R Williamson, Audrée Elliott, Mélissa Para, Marie-Christine Poirier, Marie-Soleil Delisle, Dan Deckelbaum, Tarek Razek, Monique Desjardins, Jean-Claude Bertrand, Francis Bernard, Philippe Rico, Lisa Burry, Anne Julie Frenette, Marc Perreault
OBJECTIVE: Intensive care unit (ICU)-acquired delirium has been associated with increased morbidity and mortality. Prevention strategies including modification of delirium risk factors are emphasized by practice guidelines. No study has specifically evaluated modifiable delirium risk factors in trauma ICU patients. Our goal was to evaluate modifiable risk factors for delirium among trauma patients admitted to the ICU. DESIGN: Prospective observational study. SETTING: Two level 1 trauma ICU centers...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28334933/disrupted-in-schizophrenia-1is-essential-for-normal-hypothalamic-pituitary-interrenal-hpi-axis-function
#9
Helen Eachus, Charlotte Bright, Vincent T Cunliffe, Marysia Placzek, Jonathan D Wood, Penelope J Watt
Psychiatric disorders arise due to an interplay of genetic and environmental factors, including stress. Studies in rodents have shown that mutants for Disrupted-In-Schizophrenia-1 (DISC1), a well-accepted genetic risk factor for mental illness, display abnormal behaviours in response to stress, but the mechanisms through which DISC1 affects stress responses remain poorly understood. Using two lines of zebrafish homozygous mutant for disc1, we investigated behaviour and functioning of the hypothalamic-pituitary-interrenal (HPI) axis, the fish equivalent of the hypothalamic-pituitary-adrenal (HPA) axis...
March 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28332094/cryptic-exon-incorporation-occurs-in-alzheimer-s-brain-lacking-tdp-43-inclusion-but-exhibiting-nuclear-clearance-of-tdp-43
#10
Mingkuan Sun, William Bell, Katherine D LaClair, Jonathan P Ling, Heather Han, Yusuke Kageyama, Olga Pletnikova, Juan C Troncoso, Philip C Wong, Liam L Chen
Abnormal accumulation of TDP-43 into cytoplasmic or nuclear inclusions with accompanying nuclear clearance, a common pathology initially identified in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD), has also been found in Alzheimer' disease (AD). TDP-43 serves as a splicing repressor of nonconserved cryptic exons and that such function is compromised in brains of ALS and FTD patients, suggesting that nuclear clearance of TDP-43 underlies its inability to repress cryptic exons. However, whether TDP-43 cytoplasmic aggregates are a prerequisite for the incorporation of cryptic exons is not known...
March 22, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28328972/altered-gut-microbiome-in-a-mouse-model-of-gulf-war-illness-causes-neuroinflammation-and-intestinal-injury-via-leaky-gut-and-tlr4-activation
#11
Firas Alhasson, Suvarthi Das, Ratanesh Seth, Diptadip Dattaroy, Varun Chandrashekaran, Caitlin N Ryan, Luisa S Chan, Traci Testerman, James Burch, Lorne J Hofseth, Ronnie Horner, Mitzi Nagarkatti, Prakash Nagarkatti, Stephen M Lasley, Saurabh Chatterjee
Many of the symptoms of Gulf War Illness (GWI) that include neurological abnormalities, neuroinflammation, chronic fatigue and gastrointestinal disturbances have been traced to Gulf War chemical exposure. Though the association and subsequent evidences are strong, the mechanisms that connect exposure to intestinal and neurological abnormalities remain unclear. Using an established rodent model of Gulf War Illness, we show that chemical exposure caused significant dysbiosis in the gut that included increased abundance of phylum Firmicutes and Tenericutes, and decreased abundance of Bacteroidetes...
2017: PloS One
https://www.readbyqxmd.com/read/28327107/brain-structure-differences-among-male-schizophrenic-patients-with-history-of-serious-violent-acts-an-mri-voxel-based-morphometric-study
#12
Noriomi Kuroki, Hiroko Kashiwagi, Miho Ota, Masanori Ishikawa, Hiroshi Kunugi, Noriko Sato, Naotsugu Hirabayashi, Toshio Ota
BACKGROUND: The biological underpinnings of serious violent behaviors in patients with schizophrenia remain unclear. The aim of this study was to identify the characteristics of brain morphometry in patients with schizophrenia and a history of serious violent acts, who were being treated under relatively new legislation for offenders with mental illness in Japan where their relevant action should be strongly associated with their mental illness. We also investigated whether morphometric changes would depend on types of serious violent actions or not...
March 21, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28325118/is-asthma-associated-with-cognitive-impairments-a-meta-analytic-review
#13
Farzin Irani, Jordan Mark Barbone, Janet Beausoleil, Lynn Gerald
INTRODUCTION: Asthma is a chronic disease with significant health burden and socioeconomic and racial/ethnic disparities related to diagnosis and treatment. Asthma primarily affects the lungs, but can impact brain function through direct and indirect mechanisms. Some studies have suggested that asthma negatively impacts cognition, while others have failed to identify asthma-related cognitive compromise. We aimed to conduct a meta-analysis of cognition in individuals with asthma compared to that in healthy controls...
March 21, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28325027/identifying-the-effects-of-visceral-interoception-on-human-brain-connectome-a-multivariate-analysis-of-covariance-of-fmri-data
#14
Behnaz Jarrahi, Dante Mantini
Sources of variations in the neural circuitry of the human brain and interrelationship between intrinsic connectivity networks (ICNs) are still a matter of debate and ongoing research. Here, we applied a multivariate analysis of covariance (MANCOVA) based on high-dimensional independent component analysis (ICA) to identify the effects of interoception and related variables on human brain connectome. Fifteen healthy right-handed subjects (all females, age range 21 - 48 years; mean age = 30.3, SD = 8.7 years) underwent a blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) that included continuous intravesical saline infusion and drainage...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324971/a-small-portable-battery-powered-brain-computer-interface-system-for-motor-rehabilitation
#15
Colin M McCrimmon, Ming Wang, Lucas Silva Lopes, Po T Wang, Alireza Karimi-Bidhendi, Charles Y Liu, Payam Heydari, Zoran Nenadic, An H Do
Motor rehabilitation using brain-computer interface (BCI) systems may facilitate functional recovery in individuals after stroke or spinal cord injury. Nevertheless, these systems are typically ill-suited for widespread adoption due to their size, cost, and complexity. In this paper, a small, portable, and extremely cost-efficient (<;$200) BCI system has been developed using a custom electroencephalographic (EEG) amplifier array, and a commercial microcontroller and touchscreen. The system's performance was tested using a movement-related BCI task in 3 able-bodied subjects with minimal previous BCI experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324134/-between-psyche-and-brain-state-of-the-art-in-psychiatry
#16
T Fuchs
Since its development around 1800 psychiatry has been oscillating between the poles of the sciences and the humanities, being directed towards subjective experience on the one hand and towards the neural substrate on the other hand. Today, this dualism seems to have been overcome by a naturalism, which identifies subjective experience with neural processes, according to Griesinger's frequently quoted statement "mental diseases are brain diseases". The progress achieved by the neurobiological paradigm on the level of a fundamental science is in contrast to the tendency to isolate mental illnesses from the patients' social relationships and to neglect subjectivity and intersubjectivity in their explanation...
March 21, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28323290/incidence-and-risk-factors-for-delirium-development-in-icu-patients-a-prospective-observational-study
#17
Marcela Kanova, Peter Sklienka, Roman Kula, Michal Burda, Jana Janoutova
BACKGROUND AND AIMS: Delirium is an acute brain dysfunction and a frequent complication in critically ill patients. When present it significantly worsens the prognosis of patients. The aim of this study was to evaluate the incidence of delirium and risk factors for delirium in a mixed group of trauma, medical and surgical ICU patients. METHODS: A prospective observational study was conducted in one of the six-bed Intensive Care Units of the University Hospital Ostrava in the Czech Republic during a 12-month period...
March 14, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28323161/seeg-dipole-source-localization-based-on-an-empirical-bayesian-approach-taking-into-account-forward-model-uncertainties
#18
S Le Cam, R Ranta, V Caune, G Korats, L Koessler, L Maillard, V Louis-Dorr
Electromagnetic brain source localization consists in the inversion of a forward model based on a limited number of potential measurements. A wide range of methods has been developed to regularize this severely ill-posed problem and to reduce the solution space, imposing spatial smoothness, anatomical constraint or sparsity of the activated source map. This last criteria, based on physiological assumptions stating that in some particular events (e.g., epileptic spikes, evoked potential) few focal area of the brain are simultaneously actives, has gained more and more interest...
March 17, 2017: NeuroImage
https://www.readbyqxmd.com/read/28320441/decreased-cortical-fadd-protein-is-associated-with-clinical-dementia-and-cognitive-decline-in-an-elderly-community-sample
#19
Alfredo Ramos-Miguel, Jesús A García-Sevilla, Alasdair M Barr, Thomas A Bayer, Peter Falkai, Sue E Leurgans, Julie A Schneider, David A Bennett, William G Honer, M Julia García-Fuster
BACKGROUND: FADD (Fas-associated death domain) adaptor is a crucial protein involved in the induction of cell death but also mediates non-apoptotic actions via a phosphorylated form (p-Ser194-FADD). This study investigated the possible association of FADD forms with age-related neuropathologies, cognitive function, and the odds of dementia in an elderly community sample. METHODS: FADD forms were quantified by western blot analysis in dorsolateral prefrontal cortex (DLPFC) samples from a large cohort of participants in a community-based aging study (Memory and Aging Project, MAP), experiencing no-(NCI, n = 51) or mild-(MCI, n = 42) cognitive impairment, or dementia (n = 57)...
March 20, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28318674/organ-donor-management-eight-common-recommendations-and-actions-that-deserve-reflection
#20
C Chamorro-Jambrina, M R Muñoz-Ramírez, J L Martínez-Melgar, M S Pérez-Cornejo
Despite major advances in our understanding of the physiopathology of brain death (BD), there are important controversies as to which protocol is the most appropriate for organ donor management. Many recent reviews on this subject offer recommendations that are sometimes contradictory and in some cases are not applied to other critically ill patients. This article offers a review of the publications (many of them recent) with an impact upon these controversial measures and which can help to confirm, refute or open new areas of research into the most appropriate measures for the management of organ donors in BD, and which should contribute to discard certain established recommendations based on preconceived ideas, that lead to actions lacking a physiopathological basis...
March 16, 2017: Medicina Intensiva
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