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https://www.readbyqxmd.com/read/27919104/dual-health-care-system-use-and-high-risk-prescribing-in-patients-with-dementia-a-national-cohort-study
#1
Joshua M Thorpe, Carolyn T Thorpe, Walid F Gellad, Chester B Good, Joseph T Hanlon, Maria K Mor, John R Pleis, Loren J Schleiden, Courtney Harold Van Houtven
Background: Recent federal policy changes attempt to expand veterans' access to providers outside the Department of Veterans Affairs (VA). Receipt of prescription medications across unconnected systems of care may increase the risk for unsafe prescribing, particularly in persons with dementia. Objective: To investigate the association between dual health care system use and potentially unsafe medication (PUM) prescribing. Design: Retrospective cohort study...
December 6, 2016: Annals of Internal Medicine
https://www.readbyqxmd.com/read/27916533/activation-of-beta-and-alpha-2-adrenoceptors-in-the-basolateral-amygdala-has-opposing-effects-on-hippocampal-prefrontal-long-term-potentiation
#2
Ee Peng Lim, Gavin S Dawe, Thérèse M Jay
Noradrenaline (NA), released by the locus coeruleus (LC), plays a key role in mediating the effects of stress on memory functions. The LC provides diffuse projections to many forebrain nuclei including the hippocampus, the prefrontal cortex (PFC), and the basolateral amygdala (BLA). These three structures are intricately interlinked. The hippocampal-prefrontal (H-PFC) pathway is involved in various cognitive functions. The first aim of this study was to examine the role of BLA in H-PFC plasticity by infusion of drugs to activate and inactivate the BLA and studying the effects on H-PFC long-term potentiation (LTP) in the rat in vivo...
December 1, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27916394/hypoactive-sexual-desire-disorder-international-society-for-the-study-of-women-s-sexual-health-isswsh-expert-consensus-panel-review
#3
REVIEW
Irwin Goldstein, Noel N Kim, Anita H Clayton, Leonard R DeRogatis, Annamaria Giraldi, Sharon J Parish, James Pfaus, James A Simon, Sheryl A Kingsberg, Cindy Meston, Stephen M Stahl, Kim Wallen, Roisin Worsley
The objective of the International Society for the Study of Women's Sexual Health expert consensus panel was to develop a concise, clinically relevant, evidence-based review of the epidemiology, physiology, pathogenesis, diagnosis, and treatment of hypoactive sexual desire disorder (HSDD), a sexual dysfunction affecting approximately 10% of adult women. Etiologic factors include conditions or drugs that decrease brain dopamine, melanocortin, oxytocin, and norepinephrine levels and augment brain serotonin, endocannabinoid, prolactin, and opioid levels...
November 30, 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27915041/garlic-active-constituent-s-allyl-cysteine-protects-against-lipopolysaccharide-induced-cognitive-deficits-in-the-rat-possible-involved-mechanisms
#4
Mahboubeh Zarezadeh, Tourandokht Baluchnejadmojarad, Zahra Kiasalari, Siamak Afshin-Majd, Mehrdad Roghani
Neuroinflammation is known as a risk factor for cognitive deficit and dementia and its incidence increases with aging. S-allyl cysteine (SAC) is the active and main component of aged garlic extract with anti-inflammatory, neuroprotective, and nootropic potential. In this study, the protective effect of SAC against lipopolysaccharide (LPS)-induced cognitive deficit in the rat was investigated. For induction of learning and memory impairment and neuroinflammation, LPS was intraperitoneally injected at a dose of 167μg/kg for 7 days and SAC was administered p...
November 30, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27908072/perceptual-attributes-for-the-comparison-of-head-related-transfer-functions
#5
Laurent S R Simon, Nick Zacharov, Brian F G Katz
The benefit of using individual head-related transfer functions (HRTFs) in binaural audio is well documented with regards to improving localization precision. However, with the increased use of binaural audio in more complex scene renderings, cognitive studies, and virtual and augmented reality simulations, the perceptual impact of HRTF selection may go beyond simple localization. In this study, the authors develop a list of attributes which qualify the perceived differences between HRTFs, providing a qualitative understanding of the perceptual variance of non-individual binaural renderings...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27896805/key-elements-of-a-family-intervention-for-schizophrenia-a-qualitative-analysis-of-an-rct
#6
Jaime Grácio, Manuel Gonçalves-Pereira, Julian Leff
Schizophrenia is a complex biopsychosocial condition in which expressed emotion in family members is a robust predictor of relapse. Not surprisingly, family interventions are remarkably effective and thus recommended in current treatment guidelines. Their key elements seem to be common therapeutic factors, followed by education and coping skills training. However, few studies have explored these key elements and the process of the intervention itself. We conducted a qualitative and quantitative analysis of the records from a pioneering family intervention trial addressing expressed emotion, published by Leff and colleagues four decades ago...
November 29, 2016: Family Process
https://www.readbyqxmd.com/read/27887948/s-allyl-cysteine-ameliorates-cognitive-deficits-in-streptozotocin-diabetic-rats-via-suppression-of-oxidative-stress-inflammation-and-acetylcholinesterase
#7
Tourandokht Baluchnejadmojarad, Zahra Kiasalari, Siamak Afshin-Majd, Zahra Ghasemi, Mehrdad Roghani
Diabetes mellitus (DM) is associated with learning, memory, and cognitive deficits. S-allyl cysteine (SAC) is the main organosulfur bioactive molecule in aged garlic extract with anti-diabetic, antioxidant, anti-inflammatory and nootropic property. This research was conducted to evaluate the efficacy of SAC on alleviation of learning and memory deficits in streptozotocin (STZ)-diabetic rats and to explore involvement of toll-like receptor 4 (TLR4), nuclear factor (erythroid-derived 2)-like 2 (Nrf2), nuclear factor-kappa B (NF-κB), and heme oxygenase 1 (HO-1) signaling cascade...
November 22, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27865801/long-term-cognitive-emotional-and-neurogenic-alterations-induced-by-alcohol-and-methamphetamine-exposure-in-adolescent-rats
#8
David Loxton, Juan J Canales
A high proportion of young methamphetamine (MA) users simultaneously consume alcohol. However, the potential neurological and behavioural alterations induced by such a drug combination have not been systematically examined. We studied in adolescent rats the long-term effects of alcohol, MA, and alcohol and MA combined on anxiety-like behaviour, memory, and neurogenesis in the adult hippocampus. Rats received saline, ethanol (ETOH, 1.5g/kg), MA (MA, 2mg/kg), or ethanol and MA combined (ETHOH-MA, 1.5g/kg ethanol plus 2mg/kg MA) via oral gavage, once daily for 5 consecutive days...
November 16, 2016: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/27865100/walking-away-from-depression-motor-activity-increases-ratings-of-mood-and-incentive-drive-in-patients-with-major-depression
#9
Bettina Heike Bewernick, Anne Sarah Urbach, Arndt Bröder, Sarah Kayser, Thomas Eduard Schlaepfer
Reduced motor activity is associated with depression. Lewinsohn's cognitive behavioural model of depression assumes a lack of positive experience due to a reduced level of activity as a key aspect of depression. The acute relationship between motor activity and mood as well as between motor activity and incentive drive (the motivation to engage in activities) is unknown. An augmentation of mood and incentive drive could precede or follow motor activity. We examined (1) whether motor activity would be correlated with the course of depression and (2) the temporal relationship between motor activity and acute changes in mood and incentive drive...
September 9, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27864778/a-serious-games-platform-for-cognitive-rehabilitation-with-preliminary-evaluation
#10
Paula Alexandra Rego, Rui Rocha, Brígida Mónica Faria, Luís Paulo Reis, Pedro Miguel Moreira
In recent years Serious Games have evolved substantially, solving problems in diverse areas. In particular, in Cognitive Rehabilitation, Serious Games assume a relevant role. Traditional cognitive therapies are often considered repetitive and discouraging for patients and Serious Games can be used to create more dynamic rehabilitation processes, holding patients' attention throughout the process and motivating them during their road to recovery. This paper reviews Serious Games and user interfaces in rehabilitation area and details a Serious Games platform for Cognitive Rehabilitation that includes a set of features such as: natural and multimodal user interfaces and social features (competition, collaboration, and handicapping) which can contribute to augment the motivation of patients during the rehabilitation process...
January 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/27861993/the-effects-of-assisted-housing-on-child-well-being
#11
Sandra Newman, C Scott Holupka
The most rigorous research on the causal effects of assisted housing on children's outcomes finds no such effects. The present study uses rich longitudinal data from the Panel Study of Income Dynamics, augmented with Census, American Community Survey and U.S. Department of Housing and Urban Development administrative data, to unpack these nil effects. Analyses include 194 children ( X¯ age = 6.2 years) living in assisted housing in 1995 or later who were 13-17 years old in 2002 or 2007, and an unassisted comparison group of 215 children who were income-eligible for, but never received, housing assistance...
November 9, 2016: American Journal of Community Psychology
https://www.readbyqxmd.com/read/27859522/reasoning-with-causal-cycles
#12
Bob Rehder
This article assesses how people reason with categories whose features are related in causal cycles. Whereas models based on causal graphical models (CGMs) have enjoyed success modeling category-based judgments as well as a number of other cognitive phenomena, CGMs are only able to represent causal structures that are acyclic. A number of new formalisms that allow cycles are introduced and evaluated. Dynamic Bayesian networks (DBNs) represent cycles by unfolding them over time. Chain graphs augment CGMs by allowing the presence of undirected links that model feedback relations between variables...
November 17, 2016: Cognitive Science
https://www.readbyqxmd.com/read/27856395/why-are-women-so-vulnerable-to-anxiety-trauma-related-and-stress-related-disorders-the-potential-role-of-sex-hormones
#13
REVIEW
Sophie H Li, Bronwyn M Graham
Increased prevalence, severity, and burden of anxiety, trauma-related and stress-related disorders in women compared with men has been well documented. Evidence from a variety of fields has emerged suggesting that sex hormones, particularly oestradiol and progesterone, play a significant part in generation of these sex differences. In this Series paper, we aim to integrate the literature reporting on the effects of sex hormones on biological, behavioural, and cognitive pathways, to propose two broad mechanisms by which oestradiol and progesterone influence sex differences in anxiety disorders: augmentation of vulnerability factors associated with anxiety disorder development; and facilitation of the maintenance of anxious symptoms post-development...
November 11, 2016: Lancet Psychiatry
https://www.readbyqxmd.com/read/27847195/augmented-cognitive-behavioral-therapy-for-post-stroke-depressive-symptoms-a-randomized-controlled-trial
#14
Joyce A Kootker, Sascha Mc Rasquin, Frederik C Lem, Caroline M van Heugten, Luciano Fasotti, Alexander C Geurts
OBJECTIVE: To evaluate the effectiveness of individually tailored cognitive behavioral therapy (CBT) for reducing depressive symptoms with or without anxiety post stroke. DESIGN: Multi-center, assessor-blinded, randomized controlled trial. SETTING: Six ambulatory rehabilitation settings in The Netherlands. PARTICIPANTS: Patients who had a Hospital Anxiety and Depression Scale - subscale Depression (HADS-D) score > 7 at least three months post stroke...
November 12, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27845239/circuit-dysregulation-and-circuit-based-treatments-in-posttraumatic-stress-disorder
#15
REVIEW
Jony Sheynin, Israel Liberzon
Posttraumatic stress disorder (PTSD) is a psychiatric disorder that develops in some individuals in the aftermath of exposure to traumatic events, such as actual or threatened death, serious injury or sexual assault. It has been hypothesized that dysregulations in a number of specific neurocircuits, characterized by heightened responsivity of amygdala, dACC and insula, diminished responsivity of mPFC, impaired hippocampal function and deficits in cortical regions, underlie the development and expression of key PTSD symptoms...
November 12, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27843148/hypervulnerability-of-the-adolescent-prefrontal-cortex-to-nutritional-stress-via-reelin-deficiency
#16
M A Labouesse, O Lassalle, J Richetto, J Iafrati, U Weber-Stadlbauer, T Notter, T Gschwind, L Pujadas, E Soriano, A C Reichelt, C Labouesse, W Langhans, P Chavis, U Meyer
Overconsumption of high-fat diets (HFDs) can critically affect synaptic and cognitive functions within telencephalic structures such as the medial prefrontal cortex (mPFC). The underlying mechanisms, however, remain largely unknown. Here we show that adolescence is a sensitive period for the emergence of prefrontal cognitive deficits in response to HFD. We establish that the synaptic modulator reelin (RELN) is a critical mediator of this vulnerability because (1) periadolescent HFD (pHFD) selectively downregulates prefrontal RELN(+) cells and (2) augmenting mPFC RELN levels using transgenesis or prefrontal pharmacology prevents the pHFD-induced prefrontal cognitive deficits...
November 15, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27835037/glycemia-treatment-satisfaction-cognition-and-sleep-quality-in-adults-and-adolescents-with-type-1-diabetes-when-using-a-closed-loop-system-overnight-versus-sensor-augmented-pump-with-low-glucose-suspend-function-a-randomized-crossover-study
#17
Amin Sharifi, Martin I De Bock, Dilshani Jayawardene, Margaret M Loh, Jodie C Horsburgh, Carolyn L Berthold, Nirubasini Paramalingam, Leon A Bach, Peter G Colman, Elizabeth A Davis, Benyamin Grosman, Christel Hendrieckx, Alicia J Jenkins, Kavita Kumareswaran, Natalie Kurtz, Andrew Kyoong, Richard J MacIsaac, Jane Speight, Steven Trawley, Glenn M Ward, Anirban Roy, Timothy W Jones, David N O'Neal
BACKGROUND: We compared glycemia, treatment satisfaction, sleep quality, and cognition using a nighttime Android-based hybrid closed-loop system (Android-HCLS) with sensor-augmented pump with low-glucose suspend function (SAP-LGS) in people with type 1 diabetes. MATERIALS AND METHODS: An open-label, prospective, randomized crossover study of 16 adults (mean [SD] age 42.1 [9.6] years) and 12 adolescents (15.2 [1.6] years) was conducted. All participants completed four consecutive nights at home with Android-HCLS (proportional integral derivative with insulin feedback algorithm; Medtronic) and SAP-LGS...
November 11, 2016: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/27824354/serotonergic-modulation-of-waiting-impulsivity-is-mediated-by-the-impulsivity-phenotype-in-humans
#18
S Neufang, A Akhrif, C G Herrmann, C Drepper, G A Homola, J Nowak, J Waider, A G Schmitt, K-P Lesch, M Romanos
In rodents, the five-choice serial reaction time task (5-CSRTT) has been established as a reliable measure of waiting impulsivity being defined as the ability to regulate a response in anticipation of reinforcement. Key brain structures are the nucleus accumbens (NAcc) and prefrontal regions (for example, pre- and infralimbic cortex), which are, together with other transmitters, modulated by serotonin. In this functional magnetic resonance imaging study, we examined 103 healthy males while performing the 5-CSRTT measuring brain activation in humans by means of a paradigm that has been widely applied in rodents...
November 8, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27819338/quinolinic-acid-injection-in-mouse-medial-prefrontal-cortex-affects-reversal-learning-abilities-cortical-connectivity-and-hippocampal-synaptic-plasticity
#19
Amira Latif-Hernandez, Disha Shah, Tariq Ahmed, Adrian C Lo, Zsuzsanna Callaerts-Vegh, Annemie Van der Linden, Detlef Balschun, Rudi D'Hooge
Intracerebral injection of the excitotoxic, endogenous tryptophan metabolite, quinolinic acid (QA), constitutes a chemical model of neurodegenerative brain disease. Complementary techniques were combined to examine the consequences of QA injection into medial prefrontal cortex (mPFC) of C57BL6 mice. In accordance with the NMDAR-mediated synapto- and neurotoxic action of QA, we found an initial increase in excitability and an augmentation of hippocampal long-term potentiation, converting within two weeks into a reduction and impairment, respectively, of these processes...
November 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27813505/is-electroconvulsive-therapy-effective-as-augmentation-in-clozapine-resistant-schizophrenia
#20
Lucas Kittsteiner Manubens, Diego Lobos Urbina, David Aceituno
Clozapine is considered to be the most effective antipsychotic drug for patients with treatment resistant schizophrenia, but up to a third of the patients do not respond to this treatment. Various strategies have been tried to augment the effect of clozapine in non-responders, one of these strategies being electroconvulsive therapy. However, its efficacy and safety are not yet clear. Searching in Epistemonikos database, which is maintained by screening 30 databases, we identified six systematic reviews including 55 studies, among them six randomized controlled trials addressing clozapine-resistant schizophrenia...
October 14, 2016: Medwave
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