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https://www.readbyqxmd.com/read/29353234/psychiatric-symptoms-in-preclinical-behavioural-variant-frontotemporal-dementia-in-mapt-mutation-carriers
#1
Gayathri Cheran, Hannah Silverman, Masood Manoochehri, Jill Goldman, Seonjoo Lee, Liwen Wu, Sarah Cines, Emer Fallon, Brendan Desmond Kelly, Diana Angelika Olszewska, Judith Heidebrink, Sarah Shair, Stephen Campbell, Henry Paulson, Timothy Lynch, Stephanie Cosentino, Edward D Huey
OBJECTIVE: To characterise psychiatric symptoms in preclinical and early behavioural-variant frontotemporal dementia (bvFTD), a neurodegenerative disorder whose symptoms overlap with and are often mistaken for psychiatric illness. METHODS: The present study reports findings from a systematic, global, prospective evaluation of psychiatric symptoms in 12 preclinical carriers of pathogenic MAPT mutations, not yet meeting bvFTD diagnostic criteria, and 46 familial non-carrier controls...
January 20, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29353053/conditional-inactivation-of-npy1r-gene-in-mice-induces-behavioural-inflexibility-and-orbitofrontal-cortex-hyperactivity-that-are-reversed-by-escitalopram
#2
Angela Longo, Melissa Fadda, Claudio Brasso, Paolo Mele, Paola Palanza, Ishira Nanavaty, Ilaria Bertocchi, Alessandra Oberto, Carola Eva
Cognitive flexibility is the ability to rapidly adapt established patterns of behaviour in the face of changing circumstance and depends critically on the orbitofrontal cortex (OFC). Impaired flexibility also results from altered serotonin transmission in the OFC. The Y1 (Y1R) and Y5 (Y5R) receptors for neuropeptide Y (NPY) colocalize in several brain regions and have overlapping functions in regulating cognition and emotional behaviour. The targeted disruption of gene encoding Y1R (Npy1r gene) in Y5R containing neurons (Npy1rY5R-/- mice) increases anxiety-like behaviour and spatial reference memory...
January 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29352668/the-effect-of-single-and-repeated-prefrontal-intermittent-theta-burst-stimulation-on-cortical-reactivity-and-working-memory
#3
Sung Wook Chung, Nigel C Rogasch, Kate E Hoy, Paul B Fitzgerald
BACKGROUND: With an increasing interest in the use of theta burst stimulation (TBS) as a cognitive enhancer and a potential therapeutic tool for psychiatric disorders, there is a need to identify optimal parameters of TBS in the prefrontal cortex. OBJECTIVE/HYPOTHESIS: This study examined the effect of two blocks of prefrontal intermittent TBS (iTBS) on cortical reactivity and working memory performance, compared to one block of iTBS and sham stimulation. We hypothesized that greater cortical effects would be obtained with two blocks of iTBS...
January 8, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29352579/informed-consent-in-physiotherapy-practice-it-is-not-what-is-said-but-how-it-is-said
#4
G Copnell
This paper discusses the concept of informed consent in the context of contemporary biomedical ethics. A change in UK law regarding what information should be provided to patients has brought to the fore the role of physiotherapists in the process of gaining informed consent. It is important that physiotherapists are aware of how this change in the law will affect their practice. For an individual to consent, they need to have both the capacity and freedom to exercise rational thought. These concepts are challenged in contemporary biomedical ethics...
August 7, 2017: Physiotherapy
https://www.readbyqxmd.com/read/29352277/influence-of-early-stress-on-memory-reconsolidation-implications-for-post-traumatic-stress-disorder-treatment
#5
Hélène Villain, Aïcha Benkahoul, Philippe Birmes, Barbara Ferry, Pascal Roullet
Post-traumatic stress disorder (PTSD) is a common consequence of exposure to a life-threatening event. Currently, pharmacological treatments are limited by high rates of relapse, and novel treatment approaches are needed. We have recently demonstrated that propranolol, a β-adrenergic antagonist, inhibited aversive memory reconsolidation in animals. Following this, in an open-label study 70% of patients with PTSD treated with propranolol during reactivation of traumatic memory exhibited full remission. However, the reason why 30% of these patients did not respond positively to propranolol treatment is still unclear...
2018: PloS One
https://www.readbyqxmd.com/read/29352034/translational-new-approaches-for-investigating-mood-disorders-in-rodents-and-what-they-may-reveal-about-the-underlying-neurobiology-of-major-depressive-disorder
#6
REVIEW
Emma S J Robinson
Mood disorders represent one of society's most costly and challenging health burdens. The drug treatments used today were initially discovered serendipitously in the 1950s. Animal models were then developed based on the ability of these drugs to alter specific behaviours. These models have played a major role in the development of the second generation of antidepressants. However, their use has been heavily criticized, particularly in relation to whether they recapitulate similar underlying biology to the psychiatric disorder they are proposed to represent...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352032/the-surprising-subtleties-of-changing-fear-memory-a-challenge-for-translational-science
#7
REVIEW
Merel Kindt
Current pharmacological and psychological treatments for disorders of emotional memory only dampen the affective response while leaving the original fear memory intact. Under adverse circumstances, these original memories regain prominence, causing relapses in many patients. The (re)discovery in neuroscience that after reactivation consolidated fear memories may return to a transient labile state, requiring a process of restabilization in order to persist, offers a window of opportunity for modifying fear memories with amnestic agents...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352028/the-mysteries-of-remote-memory
#8
REVIEW
Zimbul Albo, Johannes Gräff
Long-lasting memories form the basis of our identity as individuals and lie central in shaping future behaviours that guide survival. Surprisingly, however, our current knowledge of how such memories are stored in the brain and retrieved, as well as the dynamics of the circuits involved, remains scarce despite seminal technical and experimental breakthroughs in recent years. Traditionally, it has been proposed that, over time, information initially learnt in the hippocampus is stored in distributed cortical networks...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352027/the-thalamus-in-drug-addiction-from-rodents-to-humans
#9
REVIEW
Anna S Huang, Jameson A Mitchell, Suzanne N Haber, Nelly Alia-Klein, Rita Z Goldstein
Impairments in response inhibition and salience attribution (iRISA) have been proposed to underlie the clinical symptoms of drug addiction as mediated by cortico-striatal-thalamo-cortical networks. The bulk of evidence supporting the iRISA model comes from neuroimaging research that has focused on cortical and striatal influences with less emphasis on the role of the thalamus. Here, we highlight the importance of the thalamus in drug addiction, focusing on animal literature findings on thalamic nuclei in the context of drug-seeking, structural and functional changes of the thalamus as measured by imaging studies in human drug addiction, particularly during drug cue and non-drug reward processing, and response inhibition tasks...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29351803/psychometric-properties-and-measurement-equivalence-of-the-multidimensional-fatigue-syndrome-inventory-short-form-mfsi-sf-amongst-breast-cancer-and-lymphoma-patients-in-singapore
#10
Alexandre Chan, Claire Lew, Xiao Jun Wang, Terence Ng, Jung-Woo Chae, Hui Ling Yeo, Maung Shwe, Yan Xiang Gan
BACKGROUND: Currently, several fatigue measurement instruments are available to evaluate and measure cancer-related fatigue. Amongst them, Multidimensional Fatigue Syndrome Inventory-Short Form (MFSI-SF) is a self-reported instrument and a multidimensional scale that aims to capture the global, somatic, affective, cognitive and behavioural symptoms of fatigue. This study examines the psychometric properties and measurement equivalence of the English and Chinese versions of MFSI-SF in breast cancer and lymphoma patients in Singapore...
January 19, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29351574/self-reported-knowledge-correct-knowledge-and-use-of-uk-drinking-guidelines-among-a-representative-sample-of-the-english-population
#11
Penny Buykx, Jessica Li, Lucy Gavens, Lucie Hooper, Elena Gomes de Matos, John Holmes
Aims: Promotion of lower risk drinking guidelines is a commonly used public health intervention with various purposes, including communicating alcohol consumption risks, informing drinkers' decision-making and, potentially, changing behaviour. UK drinking guidelines were revised in 2016. To inform potential promotion of the new guidelines, we aimed to examine public knowledge and use of the previous drinking guidelines, including by population subgroup. Methods: A demographically representative, cross-sectional online survey of 2100 adults living in England in July 2015 (i...
January 17, 2018: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29351566/patterns-in-reef-fish-assemblages-insights-from-the-chagos-archipelago
#12
Melita Samoilys, Ronan Roche, Heather Koldewey, John Turner
Understanding the drivers of variability in the composition of fish assemblages across the Indo-Pacific region is crucial to support coral reef ecosystem resilience. Whilst numerous relationships and feedback mechanisms between the functional roles of coral reef fishes and reef benthic composition have been investigated, certain key groups, such as the herbivores, are widely suggested to maintain reefs in a coral-dominated state. Examining links between fishes and reef benthos is complicated by the interactions between natural processes, disturbance events and anthropogenic impacts, particularly fishing pressure...
2018: PloS One
https://www.readbyqxmd.com/read/29351233/postpartum-women-s-perspectives-of-engaging-with-a-dietitian-and-exercise-physiologist-via-video-consultations-for-weight-management-a-qualitative-evaluation
#13
Lisa Vincze, Megan E Rollo, Melinda J Hutchesson, Robin Callister, Debbe I Thompson, Clare E Collins
Optimising weight status after childbirth is important. Video consultations are an unexplored opportunity to deliver real-time support to postpartum women to improve lifestyle behaviours. This study aims to provide insight into postpartum women's perspectives of engaging with a dietitian and exercise physiologist through video consultations for tailored nutrition and exercise care. A qualitative study using individual telephone interviews (13-36 min) was undertaken. 21 women (body mass index (BMI): 28.1 ± 3...
January 19, 2018: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29351110/low-cholesterol-impulsivity-and-violence-revisited
#14
Katrin Tomson-Johanson, Jaanus Harro
PURPOSE OF REVIEW: To summarize the recent findings on the association of cholesterol levels with impulsivity and violence. RECENT FINDINGS: Several authors have recently highlighted the importance of confounding factors that mask the association between cholesterol and impulsivity or violent behaviour. In particular, demographic factors and presence of psychiatric disorders can play a role in the discrepancies present in literature. Men seem to be more sensitive to low cholesterol levels as the association between low cholesterol levels and aggression is found mostly in men...
January 17, 2018: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29350875/highly-dynamic-wintering-strategies-in-migratory-geese-coping-with-environmental-change
#15
Kevin Kuhlmann Clausen, Jesper Madsen, Fred Cottaar, Eckhart Kuijken, Christine Verscheure
When and where to move is a fundamental decision to migratory birds, and the fitness-related costs and benefits of migratory choices make them subject to strong selective forces. Site use and migration routes are outcomes of opportunities in the surrounding landscape, and the optimal migration strategy may be conservative or explorative depending on the variability of the environment occupied by the species. This study applies 25 years of resighting data to examine development in winter migration strategy of pink-footed geese divided among Denmark, the Netherlands and Belgium, and analyse potential drivers of strategy change as well as individuals' likelihood to break with migratory tradition...
January 19, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29350284/a-positive-relationship-between-spring-temperature-and-productivity-in-20-songbird-species-in-the-boreal-zone
#16
Kalle Meller, Markus Piha, Anssi V Vähätalo, Aleksi Lehikoinen
Anthropogenic climate warming has already affected the population dynamics of numerous species and is predicted to do so also in the future. To predict the effects of climate change, it is important to know whether productivity is linked to temperature, and whether species' traits affect responses to climate change. To address these objectives, we analysed monitoring data from the Finnish constant effort site ringing scheme collected in 1987-2013 for 20 common songbird species together with climatic data. Warm spring temperature had a positive linear relationship with productivity across the community of 20 species independent of species' traits (realized thermal niche or migration behaviour), suggesting that even the warmest spring temperatures remained below the thermal optimum for reproduction, possibly due to our boreal study area being closer to the cold edge of all study species' distributions...
January 19, 2018: Oecologia
https://www.readbyqxmd.com/read/29350202/observation-of-low-temperature-metastable-states-in-complex-camn7o12
#17
Parul Jain, Dipanshu Bansal, Gyaneshwar Sharma, Anupam Bhattacharya, Babita Ingale, Olivier Delaire, Ratnamala Chatterjee
The low temperature magnetic behaviour of the multiferroic quadruple perovskite CaMn7O12 is investigated. The magneto-caloric effect in this material is presented for the first time. Along with the established magnetic transitions, T N1 ~ 90 K and T N2 ~ 45 K, an anomaly at 20 K is observed in our dc magnetization, ac susceptibility and dielectric measurements; below which, an inverse magnetocaloric effect is also observed in our  -ΔS M (T) plots. The neutron scattering measurements show minimal change between 10 K and 30 K in static correlations, but a clear change in energy and linewidth of the magnetic excitations is evident...
January 19, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29349924/parental-supervision-for-their-children-s-toothbrushing-mediating-effects-of-planning-self-efficacy-and-action-control
#18
Kyra Hamilton, Stephen Cornish, Aaron Kirkpatrick, Jeroen Kroon, Ralf Schwarzer
OBJECTIVES: With 60-90% of children worldwide reportedly experiencing dental caries, poor oral health in the younger years is a major public health issue. As parents are important to children's oral hygiene practices, we examined the key self-regulatory behaviours of parents for supervising their children's toothbrushing using the health action process approach. DESIGN AND METHOD: Participants (N = 281, 197 mothers) comprised Australian parents of 2- to 5-year-olds...
January 18, 2018: British Journal of Health Psychology
https://www.readbyqxmd.com/read/29349882/short-communication-persistent-socio-economic-inequality-in-frequent-headache-among-danish-adolescents-from-1991-to-2014
#19
B E Holstein, A Andersen, A M Denbaek, A Johansen, S I Michelsen, P Due
BACKGROUND: The association between socio-economic status (SES) and headache among adolescents is an understudied issue, and no study has examined whether such an association changes over time. The aim was to examine trends in socio-economic inequality in frequent headache among 11- to 15-year-olds in Denmark from 1991 to 2014, using occupational social class (OSC) as indicator of SES. METHODS: The study applies data from the Danish part of the international Health Behaviour in School-aged Children (HBSC) study...
January 19, 2018: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29349880/beyond-the-realist-turn-a-socio-material-analysis-of-heart-failure-self-care
#20
Allan McDougall, Elizabeth Anne Kinsella, Mark Goldszmidt, Karen Harkness, Patricia Strachan, Lorelei Lingard
For patients living with chronic illnesses, self-care has been linked with positive outcomes such as decreased hospitalisation, longer lifespan, and improved quality of life. However, despite calls for more and better self-care interventions, behaviour change trials have repeatedly fallen short on demonstrating effectiveness. The literature on heart failure (HF) stands as a case in point, and a growing body of HF studies advocate realist approaches to self-care research and policymaking. We label this trend the 'realist turn' in HF self-care...
January 2018: Sociology of Health & Illness
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