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https://www.readbyqxmd.com/read/28075495/oral-tactile-sensitivity-and-masticatory-performance-are-impaired-in-stroke-patients
#1
Martin Schimmel, Garance Voegeli, Elena Duvernay, Beatrice Leemann, Frauke Müller
BACKGROUND: Orofacial impairment following stroke frequently involves reduced chewing performance, i.e., oral phase dysphagia. OBJECTIVE: To investigate the sensitivity of oral tissues following stroke and its potential impact on masticatory function. METHODS: Hospitalized post-stroke patients were recruited and compared to healthy controls. Outcome measures comprised masticatory performance employing a colour-mixing ability-, i.e. bolus-kneading test, maximum lip and bite force, and the one-point and two-point tactile thresholds...
January 11, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28063400/relationships-between-neuropsychological-variables-and-factor-analysed-symptom-dimensions-in-obsessive-compulsive-disorder
#2
Himani Kashyap, J Keshav Kumar, Thennarasu Kandavel, Y C Janardhan Reddy
Despite mounting evidence for the distinctiveness of symptom dimensions in obsessive-compulsive disorder, neuropsychological studies have been few, focused on small samples, and relying on classification of participants based on mutually exclusive symptom categories, resulting in lack of concordance across neuropsychological and imaging studies. Neuropsychological assessment was undertaken with 150 individuals with DSM IV OCD, and neuropsychological variables were analysed in relation to symptom dimension scores derived from factor analysis...
December 29, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28059322/symmetry-breaking-nanostructures-on-crystalline-silicon-for-enhanced-light-trapping-in-thin-film-solar-cells
#3
Seok Jun Han, Swapnadip Ghosh, Omar K Abudayyeh, Brittany R Hoard, Ethan C Culler, Jose E Bonilla, Sang M Han, Sang Eon Han
We introduce a new approach to systematically break the symmetry in periodic nanostructures on a crystalline silicon surface. Our focus is inverted nanopyramid arrays with a prescribed symmetry. The arrangement and symmetry of nanopyramids are determined by etch mask design and its rotation with respect to the [110] orientation of the Si(001) substrate. This approach eliminates the need for using expensive off-cut silicon wafers. We also make use of low-cost, manufacturable, wet etching steps to fabricate the nanopyramids...
December 26, 2016: Optics Express
https://www.readbyqxmd.com/read/28053893/bryophytes-hoard-of-remedies-an-ethno-medicinal-review
#4
REVIEW
Satish Chandra, Dinesh Chandra, Anupam Barh, Pankaj, Raj Kumar Pandey, Ishwar Prakash Sharma
Bryophytes are the second largest group of land plants after angiosperms. There is very less knowledge available about medicinal properties of these plants. Bryophytes are popular remedy among the tribal people of different parts of the world. Tribal people use these plants to cure various ailments in their daily lives. Bryophytes are used to cure hepatic disorders, skin diseases, cardiovascular diseases, used as antipyretic, antimicrobial, wound healing and many more other ailments by different tribal communities of Africa, America, Europe, Poland, Argentina, Australia, New Zealand, Turkey, Japan, Taiwan, Pakistan, China, Nepal and different parts of South, North and Eastern India...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28028484/personality-mental-health-and-demographic-correlates-of-hoarding-behaviours-in-a-midlife-sample
#5
Janet K Spittlehouse, Esther Vierck, John F Pearson, Peter R Joyce
We describe the Temperament and Character Inventory personality traits, demographic features, physical and mental health variables associated with hoarding behaviour in a random community sample of midlife participants in New Zealand. A sample of 404 midlife participants was recruited to a study of ageing. To assess hoarding behaviours participants completed the Savings Inventory-Revised (SI-R), personality was assessed by the Temperament and Character Inventory and self-reported health was measured by the Short Form-36v2 (SF-36v2)...
2016: PeerJ
https://www.readbyqxmd.com/read/28000021/tree-to-tree-variation-in-seed-size-and-its-consequences-for-seed-dispersal-versus-predation-by-rodents
#6
Bo Wang, Anthony R Ives
Individual variation in seed size and seed production is high in many plant species. How does this variation affect seed-dispersing animals and, in turn, the fitness of individual plants? In this study, we first surveyed intraspecific variation in seed mass and production in a population of a Chinese white pine, Pinus armandii. For 134 target trees investigated in 2012, there was very high variation in seed size, with mean seed mass varying among trees almost tenfold, from 0.038 to 0.361 g. Furthermore, 30 of the 134 trees produced seeds 2 years later, and for these individuals there was a correlation in seed mass of 0...
December 20, 2016: Oecologia
https://www.readbyqxmd.com/read/27987424/a-psychometric-validation-study-of-the-impulsive-compulsive-behaviours-checklist-a-transdiagnostic-tool-for-addictive-and-compulsive-behaviours
#7
Karen Guo, George J Youssef, Andrew Dawson, Linden Parkes, Sanne Oostermeijer, Clara López-Solà, Valentina Lorenzetti, Christopher Greenwood, Leonardo F Fontenelle, Murat Yücel
The occurrence of repetitive behaviours that are often harmful has been attributed to traits traditionally described as "impulsive" or "compulsive" e.g. substance dependence, excessive gambling, and hoarding. These behaviours are common and often co-occur in both the general population and psychiatric populations. The lack of measures to concurrently index a range of such behaviours led to the development of the Impulsive-Compulsive Behaviours (ICB) Checklist. This study aims to validate the ICB Checklist in a general community sample...
December 2, 2016: Addictive Behaviors
https://www.readbyqxmd.com/read/27987415/characteristics-circumstances-and-pathology-of-sudden-or-unnatural-deaths-of-cases-with-evidence-of-pathological-hoarding
#8
Shane Darke, Johan Duflou
The study aimed to determine the characteristics and circumstances of cases sudden or unnatural death (n = 61) with evidence of pathological hoarding, their major organ pathology and toxicology. The mean age was 65·8 yrs (a mean of 16.1 years of potential life lost), 62·3% were male, and 28·2% were obese. 95·1% lived alone, and 96·7% died in their residence, with no medical intervention. In all cases severe squalor and extensive hoarding were noted. The direct cause of death was attributed to disease in 75·4%, heart disease being a significant factor in 52·5%...
January 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27939851/age-specific-prevalence-of-hoarding-and-obsessive-compulsive-disorder-a-population-based-study
#9
Danielle C Cath, Krystal Nizar, Dorret Boomsma, Carol A Mathews
OBJECTIVE: Little is known about the age-specific prevalence of hoarding and obsessive compulsive symptoms (OCS), particularly in older age groups. The objectives of this study were to estimate the age-specific prevalence, severity, and relationships between hoarding and OCS in males and females using a large population-based sample. METHODS: We assessed the age-specific prevalence rates of hoarding disorder (HD) and OC disorder (OCD) in males and females (at various age ranges between 15 and 97 years) from the Netherlands Twins Register (N = 15,194)...
November 10, 2016: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27922721/an-exploratory-investigation-of-animal-hoarding-symptoms-in-a-sample-of-adults-diagnosed-with-hoarding-disorder
#10
Jennifer E Ung, Mary E Dozier, Christiana Bratiotis, Catherine R Ayers
OBJECTIVE: The extant research on animal hoarding has a dearth of information on animal hoarding tendencies in adults diagnosed with hoarding disorder (HD). In the present study, we investigated possible recurrent animal hoarding behavioral and symptom patterns in individuals diagnosed with hoarding disorder. METHODS: Hoarding severity scores from baseline assessments for 65 community-dwelling adults diagnosed with HD were analyzed with respect to their present and past animal ownership characteristics...
December 6, 2016: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/27915218/parental-bonding-and-hoarding-in-obsessive-compulsive-disorder
#11
David Chen, O Joseph Bienvenu, Janice Krasnow, Ying Wang, Marco A Grados, Bernadette Cullen, Fernando S Goes, Brion Maher, Benjamin D Greenberg, Nicole C McLaughlin, Steven A Rasmussen, Abby J Fyer, James A Knowles, James T McCracken, John Piacentini, Dan Geller, David L Pauls, S Evelyn Stewart, Dennis L Murphy, Yin-Yao Shugart, Mark A Riddle, Gerald Nestadt, Jack Samuels
BACKGROUND: Hoarding behavior may indicate a clinically and possibly etiologically distinct subtype of obsessive-compulsive disorder (OCD). Empirical evidence supports a relationship between hoarding and emotional over-attachment to objects. However, little is known about the relationship between hoarding and parental attachment in OCD. METHOD: The study sample included 894 adults diagnosed with DSM-IV OCD who had participated in family and genetic studies of OCD...
November 14, 2016: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27911004/a-comparison-of-the-neuropsychological-profiles-of-people-living-in-squalor-without-hoarding-to-those-living-in-squalor-associated-with-hoarding
#12
Sook Meng Lee, Matthew Lewis, Deborah Leighton, Ben Harris, Brian Long, Stephen Macfarlane
OBJECTIVE: Squalor affects 1 in 1000 older people and is regarded as a secondary condition to other primary disorders such as dementia, intellectual impairment and alcohol abuse. Squalor frequently is associated with hoarding behaviour. We compared the neuropsychological profile of people living in squalor associated with hoarding to those presenting with squalor only. METHODS: This study is a retrospective case series of hospital inpatient and community healthcare services of 69 people living in squalor (49 from aged care, 16 from aged psychiatry, 3 from acute medical and 1 from a memory clinic)...
December 2, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27896967/methods-to-ensure-the-reproducibility-of-biomedical-research
#13
Konrad J Karczewski, Nicholas P Tatonetti, Arjun K Manrai, Chirag J Patel, C Titus Brown, John P A Ioannidis
Science is not done in a vacuum - across fields of biomedicine, scientists have built on previous research and used data published in previous papers. A mainstay of scientific inquiry is the publication of one's research and recognition for this work is given in the form of citations and notoriety - ideally given in proportion to the quality of the work. Academic incentives, however, may encourage individual researchers to prioritize career ambitions over scientific truth. Recently, the New England Journal of Medicine published a commentary calling scientists who repurpose data "research parasites" who misuse data generated by others to demonstrate alternative hypotheses...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27891104/hoarding-symptoms-are-not-exclusive-to-hoarders
#14
Caterina Novara, Gioia Bottesi, Stella Dorz, Ezio Sanavio
Hoarding disorder (HD) was originally conceptualized as a subcategory of obsessive compulsive disorder (OCD), and numerous studies have in fact focused exclusively on investigating the comorbidity between OCD and HD. Hoarding behavior can nevertheless also be found in other clinical populations and in particular in patients with eating disorders (ED), anxiety disorders (AD), major depression (MD), and psychotic disorders (PD). The current study was carried out with the aim of investigating, using a validated instrument such as the Saving Inventory-Revised (SI-R), the presence of HD symptoms in patients diagnosed with ED, AD, MD, and PD...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27870042/differential-foraging-preferences-on-seed-size-by-rodents-result-in-higher-dispersal-success-of-medium-sized-seeds
#15
Lin Cao, Zhenyu Wang, Chuan Yan, Jin Chen, Cong Guo, Zhibin Zhang
Rodent preference for scatter-hoarding large seeds has been widely considered to favor the evolution of large seeds. Previous studies supporting this conclusion were primarily based on observations at earlier stages of seed dispersal, or on a limited sample of successfully established seedlings. Because seed dispersal comprises multiple dispersal stages, we hypothesized that differential foraging preference on seed size by animal dispersers at different dispersal stages would ultimately result in medium-sized seeds having the highest dispersal success rates...
November 2016: Ecology
https://www.readbyqxmd.com/read/27861550/fruit-size-determines-the-role-of-three-scatter-hoarding-rodents-as-dispersers-or-seed-predators-of-a-fleshy-fruited-atacama-desert-shrub
#16
Claudia A Luna, Andrea P Loayza, Francisco A Squeo
Scatter-hoarding rodents can act as both predators and dispersers for many large-seeded plants because they cache seeds for future use, but occasionally forget them in sites with high survival and establishment probabilities. The most important fruit or seed trait influencing rodent foraging behavior is seed size; rodents prefer large seeds because they have higher nutritional content, but this preference can be counterbalanced by the higher costs of handling larger seeds. We designed a cafeteria experiment to assess whether fruit and seed size of Myrcianthes coquimbensis, an endangered desert shrub, influence the decision-making process during foraging by three species of scatter-hoarding rodents differing in body size: Abrothrix olivaceus, Phyllotis darwini and Octodon degus...
2016: PloS One
https://www.readbyqxmd.com/read/27855683/validation-of-the-clutter-image-rating-cir-scale-among-psychiatric-outpatients-in-singapore
#17
Vathsala Sagayadevan, Ying Wen Lau, Clarissa Ong, Siau Pheng Lee, Siow Ann Chong, Mythily Subramaniam
BACKGROUND: The Clutter Image Rating (CIR) Scale though extensively used to assess hoarding behavior, has mainly been validated in Western populations. METHODS: The current study sought to validate the CIR in a sample of psychiatric outpatients (n = 500) in Singapore. Convergent and divergent validity as well as inter-observer reliabilities between participant CIR and interviewer-rated CIR were calculated. RESULTS: The CIR performed fairly in identifying participants with and without hoarding problems according to the Savings Inventory Revised (SI-R)...
November 17, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27816711/an-examination-of-the-role-of-intolerance-of-distress-and-uncertainty-in-hoarding-symptoms
#18
Brittany M Mathes, Mary E Oglesby, Nicole A Short, Amberly K Portero, Amanda M Raines, Norman B Schmidt
BACKGROUND: Hoarding disorder (HD) is a common and debilitating disorder characterized by an accumulation of and failure to discard one's possessions. The identification and examination of underlying factors that may contribute to hoarding symptoms are needed to elucidate the nature of the disorder and refine existing treatments. Two transdiagnostic vulnerability factors that have been associated with hoarding symptoms are distress intolerance (DI) and intolerance of uncertainty (IU)...
January 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27799465/paradoxical-leanness-in-the-imprinting-centre-deletion-mouse-model-for-prader-willi-syndrome
#19
David M Golding, Daniel J Rees, Jennifer R Davies, Dinko Relkovic, Hannah V Furby, Irina A Guschina, Anna L Hopkins, Jeffrey S Davies, James L Resnick, Anthony R Isles, Timothy Wells
Prader-Willi syndrome (PWS), a neurodevelopmental disorder caused by loss of paternal gene expression from 15q11-q13, is characterised by growth retardation, hyperphagia and obesity. However, as single gene mutation mouse models for this condition display an incomplete spectrum of the PWS phenotype, we have characterised the metabolic impairment in a mouse model for 'full' PWS, in which deletion of the imprinting centre (IC) abolishes paternal gene expression from the entire PWS cluster. We show that PWS-IC(del) mice displayed postnatal growth retardation, with reduced body weight, hyperghrelinaemia and marked abdominal leanness; proportionate retroperitoneal, epididymal/omental and inguinal white adipose tissue (WAT) weights being reduced by 82%, 84% and 67%, respectively...
January 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/27784281/hoarding-symptoms-among-psychiatric-outpatients-confirmatory-factor-analysis-and-psychometric-properties-of-the-saving-inventory-revised-si-r
#20
Siau Pheng Lee, Clarissa Ong, Vathsala Sagayadevan, Rebecca Ong, Edimansyah Abdin, Susan Lim, Janhavi Vaingankar, Louisa Picco, Swapna Verma, Siow Ann Chong, Mythily Subramaniam
BACKGROUND: The growing interest in problematic hoarding as an independent clinical condition has led to the development of the Saving Inventory-Revised (SI-R) to assess hoarding phenomenology. The SI-R is one of the most widely used instruments to measure hoarding symptoms; however, it lacks validation in non-Western samples. METHODS: The current study examined the construct, convergent, and discriminant validity of the SI-R among 500 outpatients at a psychiatric hospital in Singapore...
October 26, 2016: BMC Psychiatry
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