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https://www.readbyqxmd.com/read/27922721/an-exploratory-investigation-of-animal-hoarding-symptoms-in-a-sample-of-adults-diagnosed-with-hoarding-disorder
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/27773965/developmental-foundations-of-children-s-fraction-magnitude-knowledge
#12
Yi Mou, Yaoran Li, Mary K Hoard, Lara D Nugent, Felicia W Chu, Jeffrey N Rouder, David C Geary
The conceptual insight that fractions represent magnitudes is a critical yet daunting step in children's mathematical development, and the knowledge of fraction magnitudes influences children's later mathematics learning including algebra. In this study, longitudinal data were analyzed to identify the mathematical knowledge and domain-general competencies that predicted 8(th) and 9(th) graders' (n=122) knowledge of fraction magnitudes and its cross-grade gains. Performance on the fraction magnitude measures predicted 9(th) grade algebra achievement...
July 2016: Cognitive Development
https://www.readbyqxmd.com/read/27740696/cognitive-behavioral-treatment-of-hoarding-in-youth-a-case-illustration
#13
Dean McKay
Hoarding in children is associated with more severe ancillary psychopathology, and has poor treatment outcome. At present, there are no empirically established procedures for treating hoarding in youth. The present case illustration is of a 10-year old child ("Grace") who presented for treatment with significant hoarding related to academic concerns and additional unrelated symptoms of obsessive-compulsive disorder (OCD). Grace was treated with cognitive behavior therapy (CBT) primarily comprising exposure with response prevention, behavioral experiments, and cognitive therapy, along with a program of reinforcement delivered by her parents to maintain her motivation for therapy...
November 2016: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/27734599/cultivated-walnut-trees-showed-earlier-but-not-final-advantage-over-its-wild-relatives-in-competing-for-seed-dispersers
#14
Hongmao Zhang, Wei Chu, Zhibin Zhang
It is not well investigated that cultivated trees affect seeding regeneration of their wild relatives that share similar seed dispersers of animals. Here, we investigated the differences in seed fates of cultivated walnut (Juglans regia) and wild Manchurian walnut (J. mandshurica) trees under rodent predation and dispersal. J. regia seeds have higher nutritional value (large size, mass and kernel mass) and lower mechanical defensiveness (thin endocarp) than J. mandshurica seeds. We tracked seeds of J. regia and J...
October 13, 2016: Integrative Zoology
https://www.readbyqxmd.com/read/27733976/crayfish-bury-their-own-exuviae-a-newly-discovered-behavioral-pattern-in-decapods
#15
Miloš Buřič, Martin Fořt, Martin Bláha, Lukáš Veselý, Pavel Kozák, Antonín Kouba
Invertebrates are a very diverse group of animals, showing a wide spectrum of life strategies and adaptations. They often exhibit very complex behavioural and social patterns. In crayfish, the largest freshwater invertebrates, we found a new behavioural pattern, burying their own exuviae after moulting. Such a pattern may be an as yet unrecognized type of hoarding or caching. The buried exuvia is exhumed after 2 or 3 days (when the crayfish body is no longer as soft) and consumed. This behaviour is probably self-protective (hiding the mark of a helpless prey), as well as having mineral storage reasons...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27732022/a-comparison-and-integration-of-structural-models-of-depression-and-anxiety-in-a-clinical-sample-support-for-and-validation-of-the-tri-level-model
#16
Kristin Naragon-Gainey, Jason M Prenoveau, Timothy A Brown, Richard E Zinbarg
Prominent structural models of depression and anxiety arise from 2 traditions: (a) the tripartite/integrative hierarchical model based on symptom dimensions, and (b) the fear/anxious-misery model based on diagnostic comorbidity data. The tri-level model of depression and anxiety was developed to synthesize these structural models, postulating that narrow (disorder-specific), intermediate (fear and anxious-misery), and broad (general distress) structural factors are needed to most fully account for covariation among these symptoms...
October 2016: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27730476/relationship-between-symptom-dimensions-and-brain-morphology-in-obsessive-compulsive-disorder
#17
Motohisa Hirose, Yoshiyuki Hirano, Kiyotaka Nemoto, Chihiro Sutoh, Kenichi Asano, Haruko Miyata, Junko Matsumoto, Michiko Nakazato, Koji Matsumoto, Yoshitada Masuda, Masaomi Iyo, Eiji Shimizu, Akiko Nakagawa
Obsessive-compulsive disorder (OCD) is known as a clinically heterogeneous disorder characterized by symptom dimensions. Although substantial numbers of neuroimaging studies have demonstrated the presence of brain abnormalities in OCD, their results are controversial. The clinical heterogeneity of OCD could be one of the reasons for this. It has been hypothesized that certain brain regions contributed to the respective obsessive-compulsive dimensions. In this study, we investigated the relationship between symptom dimensions of OCD and brain morphology using voxel-based morphometry to discover the specific regions showing alterations in the respective dimensions of obsessive-compulsive symptoms...
October 11, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27724839/understanding-dsm-5-hoarding-disorder-a-triple-vulnerability-model
#18
Amanda M Raines, Mary E Oglesby, Nicholas P Allan, Nicole A Short, Norman B Schmidt
OBJECTIVE: Whereas a triple vulnerability model has been used to evaluate several anxiety- and mood-related conditions, no research has purposefully examined hoarding from this perspective. METHOD: Using a multivariate approach, the current study evaluated the unique relations between hoarding and a general biological (e.g., neuroticism), psychological (e.g., anxiety sensitivity), and hoarding-specific vulnerability (e.g., saving cognitions) within 526 individuals...
2016: Psychiatry
https://www.readbyqxmd.com/read/27716305/health-seeking-behavior-and-use-of-medicinal-plants-among-the-hamer-ethnic-group-south-omo-zone-southwestern-ethiopia
#19
Biniam Paulos, Teferi Gedif Fenta, Daniel Bisrat, Kaleab Asres
BACKGROUND: Health seeking behavior of people around the globe is affected by different socio-cultural and economic factors. In Ethiopia, people living in rural areas in particular, are noted for their use of medicinal plants as a major component of their health care option. This study was conducted to document ethnopharmacological information of the Hamer semi-pastoralists ethnic group in southwestern Ethiopia. METHODS: A cross-sectional study was carried out whereby information on demographic characteristics, prevalence of perceived illnesses, factors associated with preference of health care seeking options, medicinal plants used and hoarded as well as some healers' socio-economic characteristics were collected using two sets of semi-structured questionnaires - one for household (HH) heads and the other for traditional healers supplemented by focus group discussions (FGDs)...
October 6, 2016: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/27696922/evaluation-of-an-in-vitro-screening-model-to-assess-phosgene-inhalation-injury
#20
Dorian S Olivera, Heidi Hoard-Fruchey, Alfred M Sciuto
Therapeutic development against exposure to toxic gases is hindered by the lack of appropriate models to evaluate candidate compounds prior to animal efficacy studies. In this study, an in vitro, air-liquid interface exposure model has been tested to examine its potential application for screening treatments for phosgene (carbonyl chloride)-induced pulmonary injury. Epithelial cultures on Transwell® inserts, combined with a Vitrocell® exposure apparatus, provided a physiologically relevant exposure environment...
October 4, 2016: Toxicology Mechanisms and Methods
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