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https://www.readbyqxmd.com/read/29784759/of-what-use-is-connectomics-a-personal-perspective-on-the-drosophila-connectome
#1
REVIEW
Ian A Meinertzhagen
The brain is a network of neurons and its biological output is behaviour. This is an exciting age, with a growing acknowledgement that the comprehensive compilation of synaptic circuits densely reconstructed in the brains of model species is now both technologically feasible and a scientifically enabling possibility in neurobiology, much as 30 years ago genomics was in molecular biology and genetics. Implemented by huge advances in electron microscope technology, especially focused ion beam-scanning electron microscope (FIB-SEM) milling (see Glossary), image capture and alignment, and computer-aided reconstruction of neuron morphologies, enormous progress has been made in the last decade in the detailed knowledge of the actual synaptic circuits formed by real neurons, in various brain regions of the fly Drosophila It is useful to distinguish synaptic pathways that are major, with 100 or more presynaptic contacts, from those that are minor, with fewer than about 10; most neurites are both presynaptic and postsynaptic, and all synaptic sites have multiple postsynaptic dendrites...
May 20, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29783890/dementia-and-sculpture-making-exploring-artistic-responses-of-people-with-dementia
#2
Sumita Chauhan
In its form, sculpture reveals not only the artist's self-expression but also the transformative qualities through which it influences our senses. Frequent interactions with sculpture can provide creative awareness, which in turn leads to a better understanding and appreciation of artistic expressions. This paper examines possible ways in which the creative potential of people with dementia can be explored through meaningful artistic engagement with sculpture-making processes. A study was conducted involving seven participants diagnosed with the early stages of dementia who engaged and experimented with different types of sculpture-making processes, from clay and papier mâché to virtual and digital sculptures...
January 1, 2018: Dementia
https://www.readbyqxmd.com/read/29782958/changes-in-behavioural-parameters-oxidative-stress-and-neurotrophins-in-the-brain-of-adult-offspring-induced-to-an-animal-model-of-schizophrenia-the-effects-of-fa-deficient-or-fa-supplemented-diet-during-the-neurodevelopmental-phase
#3
L Canever, T G Freire, G A Mastella, L Damázio, S Gomes, I Fachim, C Michels, G Carvalho, A K Godói, B R Peterle, F F Gava, S Valvassori Sda, J Budni, J Quevedo, A I Zugno
A deficiency of maternal folic acid (FA) can compromise the function and development of the brain, and may produce a susceptibility to diseases such as schizophrenia (SZ) in the later life of offspring. The aim of this study was to evaluate the effects of both FA deficient and FA supplemented diets during gestation and lactation on behavioural parameters, the markers of oxidative stress and neurotrophic factors in adult offspring which had been subjected to an animal model of SZ. Female mother rats (Dam's) were separated into experimental maternal groups, which began receiving a special diet (food) consisting of the AIN-93 diet, a control diet, or an FA deficient diet during the periods of pregnancy and lactation...
May 18, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29781139/early-gesture-use-in-fragile-x-syndrome
#4
L Rague, K Caravella, B Tonnsen, J Klusek, J Roberts
BACKGROUND: Emerging evidence suggests that children with fragile X syndrome (FXS) exhibit abnormal gesture use early in development, although few studies have investigated the emergence of gesture use in this population or the impact of autism spectrum disorder (ASD) features on these behaviours. The present study examined the longitudinal development of gesture use in infants with FXS relative to low-risk controls and infant siblings of children with ASD (high-risk siblings), with the goal of establishing potentially unique patterns of gesture development in infants with FXS and understanding the relative impact of ASD symptom severity on these patterns...
May 20, 2018: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/29780027/relationships-between-functional-fitness-and-cognitive-impairment-in-chinese-community-dwelling-older-adults-a-cross-sectional-study
#5
Mei Yang, Yan Guo, Jie Gong, Mengyao Deng, Niannian Yang, Yaqiong Yan
OBJECTIVE: The aim of this study was to investigate the associations between each functional fitness (FF) domain and cognitive impairment (CI) in Chinese community-dwelling older adults. DESIGN: A community-based, cross-sectional study was conducted. SETTING: Participants were selected by multistage stratified random sampling in Wuhan City, Hubei Province, Central China, during December 2015-May 2016. PARTICIPANTS: A total of 2096 (1031 male and 1065 female) adults older than 65 years were included in our study...
May 20, 2018: BMJ Open
https://www.readbyqxmd.com/read/29779855/transportability-of-imagery-enhanced-cbt-for-social-anxiety-disorder
#6
Peter M McEvoy, David M Erceg-Hurn, Kevin C Barber, Jessica R Dupasquier, David A Moscovitch
Pilot and open trials suggest that imagery-enhanced group cognitive behaviour therapy (CBT) is highly effective for social anxiety disorder (SAD). However, before being considered reliable and generalisable, the effects of the intervention need to be replicated by clinicians in a setting that is independent of the protocol developers. The current study compared outcomes from clients with a principal diagnosis of SAD at the Australian clinic where the protocol was developed (n = 123) to those from an independent Canadian clinic (n = 46) to investigate whether the large effects would generalise...
May 14, 2018: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/29776349/randomised-controlled-trial-rct-of-cannabinoid-replacement-therapy-nabiximols-for-the-management-of-treatment-resistant-cannabis-dependent-patients-a-study-protocol
#7
Anjali K Bhardwaj, David J Allsop, Jan Copeland, Iain S McGregor, Adrian Dunlop, Marian Shanahan, Raimondo Bruno, Nghi Phung, Mark Montebello, Craig Sadler, Jessica Gugusheff, Melissa Jackson, Jennifer Luksza, Nicholas Lintzeris
BACKGROUND: The cannabis extract nabiximols (Sativex®) effectively supresses withdrawal symptoms and cravings in treatment resistant cannabis dependent individuals, who have high relapse rates following conventional withdrawal treatments. This study examines the efficacy, safety and cost-effectiveness of longer-term nabiximols treatment for outpatient cannabis dependent patients who have not responded to previous conventional treatment approaches. METHODS/DESIGN: A phase III multi-site outpatient, randomised, double-blinded, placebo controlled parallel design, comparing a 12-week course of nabiximols to placebo, with follow up at 24 weeks after enrolment...
May 18, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29776004/knowledge-and-health-beliefs-about-gestational-diabetes-and-healthy-pregnancy-s-breastfeeding-intention
#8
Seungmi Park, Jung Lim Lee, Jang In Sun, Youngji Kim
AIMS AND OBJECTIVES: If the knowledge and health beliefs relating to gestational diabetes mellitus (GDM) during pregnancy are associated with behaviours during pregnancy and lactation, this suggests potential educational interventions. BACKGROUNDS: Women with GDM are more likely to develop type 2 diabetes mellitus (T2DM), and babies with GDM incur increased risk of neonatal hypoglycaemia and childhood obesity. Breastfeeding is an effective way to improve maternal and lipid metabolism of gestational diabetes mothers, and to lower the risk of T2DM after birth, to prevent conception...
May 18, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29775836/cognitive-and-behavioural-dispositions-in-offspring-at-high-risk-for-alcoholism
#9
Rajesh Kumar, Keshav Janakiprasad Kumar, Vivek Benegal
OBJECTIVES: Offspring with family history of alcoholism are considered to be at high risk for alcoholism. The present study sought to expand our understanding of cognitive and behavioural dispositions associated with executive control and self-regulation in alcohol naïve offspring with and without family history of alcoholism. METHODS: Sample comprised of alcohol naive offspring in two groups: (i) at high risk (n = 34) and (ii) at low risk for alcoholism (n = 34)...
May 15, 2018: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29774358/successful-ageing-in-singapore-prevalence-and-correlates-from-a-national-survey-of-older-adults
#10
Mythily Subramaniam, Edimansyah Abdin, Janhavi A Vaingankar, Rajeswari Sambasivam, Esmond Seow, Louisa Picco, Hong Choon Chua, Rathi Mahendran, Li Ling Ng, Siow Ann Chong
INTRODUCTION: The current study aimed to estimate the overall prevalence and sociodemographic correlates of successful ageing, as defined by Rowe and Kahn, among a national sample of multiethnic adults aged 60 years and older in Singapore. METHODS: Data from older adults who participated in the Well-being of the Singapore Elderly study were analysed in the present study. Successful ageing included five indicators: no major diseases; no disability; high cognitive functioning; high physical functioning; and active engagement with life...
May 18, 2018: Singapore Medical Journal
https://www.readbyqxmd.com/read/29772447/one-to-one-specialling-and-sitters-in-acute-care-hospitals-a-scoping-review
#11
REVIEW
Victoria J Wood, Cecilia Vindrola-Padros, Nick Swart, Michelle McIntosh, Sonya Crowe, Stephen Morris, Naomi J Fulop
BACKGROUND: One to one specialling is a type of care which is provided to ensure the safety of patients who may be suffering from cognitive impairment, exhibit challenging behaviour, or may be at risk of falls or of causing harm to themselves or others. Care such as this, often referred to as 'specialling' or 'sitting' is common practice in most hospitals around the world, but there is a lack of evidence regarding its cost effectiveness and the quality of care provided. AIM: The aim of this scoping review was to explore the breadth and scope of literature on one to one specialling, sitters and similar types of care in acute secondary care settings, in order to identify the challenges and concerns relating to the quality of care (process and outcomes) and cost effectiveness emerging from the literature, and determine the implications of this for policy, practice and future research...
April 30, 2018: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29771983/the-effect-of-exposure-to-low-frequency-electromagnetic-fields-emf-as-an-integral-part-of-the-housing-system-on-anxiety-related-behaviour-cognition-and-welfare-in-two-strains-of-laboratory-mouse
#12
Oliver Burman, Gerardo Marsella, Angelo Di Clemente, Luigi Cervo
Electromagnetic field (EMF) technology has the potential to improve scientific data capture and welfare assessment by allowing automated data collection from individual cages. However, it is important to determine any impact that a new technology itself may have on animal welfare, and previous studies have found contrasting results of EMF on laboratory rodent anxiety-like behaviour and cognition. We therefore investigated whether there was an effect of low frequency EMF experienced continuously over a six-week period, as an integral part of the animal housing system, on measures of mouse anxiety-related behaviour, cognition and welfare...
2018: PloS One
https://www.readbyqxmd.com/read/29769565/adaptation-to-criticality-through-organizational-invariance-in-embodied-agents
#13
Miguel Aguilera, Manuel G Bedia
Many biological and cognitive systems do not operate deep within one or other regime of activity. Instead, they are poised at critical points located at phase transitions in their parameter space. The pervasiveness of criticality suggests that there may be general principles inducing this behaviour, yet there is no well-founded theory for understanding how criticality is generated at a wide span of levels and contexts. In order to explore how criticality might emerge from general adaptive mechanisms, we propose a simple learning rule that maintains an internal organizational structure from a specific family of systems at criticality...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769157/the-role-of-performance-quality-in-adolescents-self-evaluation-and-rumination-after-a-speech-is-it-contingent-on-social-anxiety-level
#14
Anke W Blöte, Anne C Miers, Esther Van den Bos, P Michiel Westenberg
BACKGROUND: Cognitive behavioural therapy (CBT) has relatively poor outcomes for youth with social anxiety, possibly because broad-based CBT is not tailored to their specific needs. Treatment of social anxiety in youth may need to pay more attention to negative social cognitions that are considered a key factor in social anxiety development and maintenance. AIMS: The aim of the present study was to learn more about the role of performance quality in adolescents' cognitions about their social performance and, in particular, the moderating role social anxiety plays in the relationship between performance quality and self-cognitions...
May 17, 2018: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/29769023/risk-factors-for-incident-falls-in-older-men-and-women-the-english-longitudinal-study-of-ageing
#15
Catharine R Gale, Leo D Westbury, Cyrus Cooper, Elaine M Dennison
BACKGROUND: Falls are a major cause of disability and death in older people, particularly women. Cross-sectional surveys suggest that some risk factors associated with a history of falls may be sex-specific, but whether risk factors for incident falls differ between the sexes is unclear. We investigated whether risk factors for incident falls differ between men and women. METHODS: Participants were 3298 people aged ≥60 who took part in the Waves 4-6 surveys of the English Longitudinal Study of Ageing...
May 16, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29766510/ineffectiveness-of-saxagliptin-as-a-neuroprotective-drug-in-6-ohda-lesioned-rats
#16
Joelle de Melo Turnes, Taysa Bervian Bassani, Leonardo C Souza, Maria A B F Vital
OBJECTIVES: To determine whether the drug saxagliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor which is utilized for the treatment of Diabetes Mellitus, has neuroprotective effects in the animal model of Parkinson's disease (PD) induced by 6-hydroxydopamine (6-OHDA) in rats. METHODS: Male Wistar rats (weighing 280-300 g) received a bilateral infusion of 6-OHDA in the substantia nigra. Twenty-four hours later, they were treated with saxagliptin (1 mg/kg, p.o) once daily, for 21 days...
May 16, 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29764877/efficacy-of-practising-tai-chi-for-older-people-with-mild-dementia-protocol-for-a-randomised-controlled-study
#17
Jihui Lyu, Wenjie Li, Xiangjiang Rong, Lian Wei, Nayan Huang, Mei Champ, Qian Xiong, Xueli Chen, Mo Li, Fangling Li
INTRODUCTION: Many studies suggest that Tai Chi exercise is a safe and appropriate mind-body exercise for older people and effectively slows down age-related cognitive decline. A set of bespoke Tai Chi exercise named 'Cognition Protecting Tai Chi' (CPT) has been created for older people with cognitive impairments by the research team of geriatricians, neurologists, rehabilitation specialists, experts of sports medicine and experienced practitioners of traditional Chinese medicine. This trial is designed to evaluate its effects on cognitive function, behaviour/moods, risk of falls and activities of daily living of the participants with mild dementia...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29764872/development-and-testing-of-the-youth-alcohol-norms-survey-yans-instrument-to-measure-youth-alcohol-norms-and-psychosocial-influences
#18
Sharyn K Burns, Bruce Maycock, Janina Hildebrand, Yun Zhao, Steve Allsop, Roanna Lobo, Peter Howat
OBJECTIVES: This study aimed to develop and validate an online instrument to: (1) identify common alcohol-related social influences, norms and beliefs among adolescents; (2) clarify the process and pathways through which proalcohol norms are transmitted to adolescents; (3) describe the characteristics of social connections that contribute to the transmission of alcohol norms; and (4) identify the influence of alcohol marketing on adolescent norm development. SETTING: The online Youth Alcohol Norms Survey (YANS) was administered in secondary schools in Western Australia PARTICIPANTS: Using a 2-week test-retest format, the YANS was administered to secondary school students (n=481, age=13-17 years, female 309, 64...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29764868/systematic-review-of-rehabilitation-intervention-outcomes-of-adult-and-paediatric-patients-with-infectious-encephalitis
#19
Shanice Christie, Vincy Chan, Tatyana Mollayeva, Angela Colantonio
OBJECTIVE: Although a range of rehabilitation interventions have been applied to restore function after infectious encephalitis, there is a lack of literature summarising the benefits of these interventions. This systematic review aims to synthesise current scientific knowledge on outcome measures following rehabilitative interventions among children and adults with infectious encephalitis, with a specific focus on the influence of the age, sex, baseline status and intervention type. SEARCH STRATEGY: Five scholarly databases (MEDLINE, Embase, PsycINFO, CINAHL and Cochrane Central Register of Controlled Trials), three sources of grey literature (Google, Google Scholar and Grey Matters) and reference lists of included publications were systematically searched...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29764270/drunk-decisions-alcohol-shifts-choice-from-habitual-towards-goal-directed-control-in-adolescent-intermediate-risk-drinkers
#20
Elisabeth Obst, Daniel J Schad, Quentin Jm Huys, Miriam Sebold, Stephan Nebe, Christian Sommer, Michael N Smolka, Ulrich S Zimmermann
BACKGROUND: Studies in humans and animals suggest a shift from goal-directed to habitual decision-making in addiction. We therefore tested whether acute alcohol administration reduces goal-directed and promotes habitual decision-making, and whether these effects are moderated by self-reported drinking problems. METHODS: Fifty-three socially drinking males completed the two-step task in a randomised crossover design while receiving an intravenous infusion of ethanol (blood alcohol level=80 mg%), or placebo...
May 1, 2018: Journal of Psychopharmacology
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