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Articles 8191 - 8220 of 9147
Full-Text Articles in Entire DC Network
Enhancing The Care Navigation Model: Potential Roles For Health Sciences Librarians, Jeffrey T. Huber, Robert M. Shapiro Ii, Heather J. Burke, Aaron Palmer
Enhancing The Care Navigation Model: Potential Roles For Health Sciences Librarians, Jeffrey T. Huber, Robert M. Shapiro Ii, Heather J. Burke, Aaron Palmer
Information Science Faculty Publications
This study analyzed the overlap between roles and activities that health care navigators perform and competencies identified by the Medical Library Association's (MLA's) educational policy statement. Roles and activities that health care navigators perform were gleaned from published literature. Once common roles and activities that health care navigators perform were identified, MLA competencies were mapped against those roles and activities to identify areas of overlap. The greatest extent of correspondence occurred in patient empowerment and support. Further research is warranted to determine the extent to which health sciences librarians might assume responsibility for roles and activities that health care navigators …
Identity And Cultural Competency : Critical Race And Postmodern Perspective, Nathan N. Orians
Identity And Cultural Competency : Critical Race And Postmodern Perspective, Nathan N. Orians
Theses, Dissertations, and Projects
This theoretical thesis explores how racism is unavoidable in social work because of the weight of systemic influences. It looks at how the use of cultural competency could be unethical, by using both critical race and postmodern theory. The use of critical race theory in thinking about cultural competency seems to allow for a passive acceptance of a system which has continued to be un-critical of its racist origins and assumptions. Furthermore the enacting of cultural competency through a postmodern view could at times be considered a micro aggression and as such unethical. This paper hopes that by acknowledging that …
Fluid Flow Shear Stress Over Podocytes Is Increased In The Solitary Kidney., Tarak Srivastava, Gianni E. Celsi, Mukut Sharma, Hongying Dai, Ellen T. Mccarthy, Melanie Ruiz, Patricia A. Cudmore, Uri S. Alon, Ram Sharma, Virginia A. Savin
Fluid Flow Shear Stress Over Podocytes Is Increased In The Solitary Kidney., Tarak Srivastava, Gianni E. Celsi, Mukut Sharma, Hongying Dai, Ellen T. Mccarthy, Melanie Ruiz, Patricia A. Cudmore, Uri S. Alon, Ram Sharma, Virginia A. Savin
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Glomerular hyperfiltration is emerging as the key risk factor for progression of chronic kidney disease (CKD). Podocytes are exposed to fluid flow shear stress (FFSS) caused by the flow of ultrafiltrate within Bowman's space. The mechanism of hyperfiltration-induced podocyte injury is not clear. We postulated that glomerular hyperfiltration in solitary kidney increases FFSS over podocytes.
METHODS: Infant Sprague-Dawley rats at 5 days of age and C57BL/6J 14-week-old adult mice underwent unilateral nephrectomy. Micropuncture and morphological studies were then performed on 20- and 60-day-old rats. FFSS over podocytes in uninephrectomized rats and mice was calculated using the recently published equation …
E5501: Phase Ii Study Of Topotecan Sequenced With Etoposide/Cisplatin, And Irinotecan/Cisplatin Sequenced With Etoposide For Extensive-Stage Small-Cell Lung Cancer., Taofeek K. Owonikoko, Joseph Aisner, Xin Victoria Wang, Suzanne E. Dahlberg, Eric H. Rubin, Suresh S. Ramalingam, Murugesan Gounder, Paul Gregory Rausch, Rita S. Axelrod, Md, Joan H. Schiller
E5501: Phase Ii Study Of Topotecan Sequenced With Etoposide/Cisplatin, And Irinotecan/Cisplatin Sequenced With Etoposide For Extensive-Stage Small-Cell Lung Cancer., Taofeek K. Owonikoko, Joseph Aisner, Xin Victoria Wang, Suzanne E. Dahlberg, Eric H. Rubin, Suresh S. Ramalingam, Murugesan Gounder, Paul Gregory Rausch, Rita S. Axelrod, Md, Joan H. Schiller
Department of Medical Oncology Faculty Papers
PURPOSE: Sequence-dependent improved efficacy of topoisomerase I followed by topoisomerase 2 inhibitors was assessed in a randomized phase II study in extensive-stage small-cell lung cancer (SCLC).
METHODS: Patients with previously untreated extensive-stage SCLC with measurable disease, ECOG performance status of 0-3 and stable brain metastases were eligible. Arm A consisted of topotecan (0.75 mg/m(2)) on days 1, 2 and 3, etoposide (70 mg/m(2)) and cisplatin (20 mg/m(2)) (PET) on days 8, 9 and 10 in a 3-week cycle. Arm B consisted of irinotecan (50 mg/m(2)) and cisplatin (20 mg/m(2)) on days 1 and 8 followed by etoposide (85 mg/m(2) PO …
Risk Factors For Cerebrovascular Disease Mortality Among The Elderly In Beijing: A Competing Risk Analysis, Zhe Tang, Tao Zhou, Yanxia Luo, Changchun Xie, Da Huo, Lixin Tao, Lei Pan, Fei Sun, Huiping Zhu, Xinghua Yang, Wei Wang, Aoshuang Yan, Xia Li, Xiuhua Guo
Risk Factors For Cerebrovascular Disease Mortality Among The Elderly In Beijing: A Competing Risk Analysis, Zhe Tang, Tao Zhou, Yanxia Luo, Changchun Xie, Da Huo, Lixin Tao, Lei Pan, Fei Sun, Huiping Zhu, Xinghua Yang, Wei Wang, Aoshuang Yan, Xia Li, Xiuhua Guo
Research outputs 2014 to 2021
Objective: To examine the associations of combined lifestyle factors and physical conditions with cerebrovascular diseases (CBVD) mortality, after accounting for competing risk events, including death from cardiovascular diseases, cancers and other diseases. Methods: Data on 2010 subjects aged over 55 years were finally analyzed using competing risk models. All the subjects were interviewed by the Beijing Longitudinal Study of Aging (BLSA), in China, between 1 January 1992 and 30 August 2009. Results: Elderly females were at a lower risk of death from CBVD than elderly males (HR = 0.639, 95% CI = 0.457-0.895). Increasing age (HR = 1.543, 95% CI …
General Practitioners' Experiences Of Bereavement Care And Their Educational Support Needs: A Qualitative Study, Moira O'Connor, Lauren J. Breen
General Practitioners' Experiences Of Bereavement Care And Their Educational Support Needs: A Qualitative Study, Moira O'Connor, Lauren J. Breen
Research outputs 2014 to 2021
Background: General Practitioners (GPs) are well-positioned to provide grief support to patients. Most GPs view the provision of bereavement care as an important aspect of their role and the GP is the health professional that many people turn to when they need support. We aimed to explore GPs' understandings of bereavement care and their education and professional development needs in relation to bereavement care. Methods. An in-depth qualitative design was adopted using a social constructionist approach as our aims were exploratory and applied. Nineteen GPs (12 women and 7 men) living in Western Australia were interviewed; 14 were based in …
Low Back Pain Beliefs Are Associated To Age, Location Of Work, Education And Pain-Related Disability In Chinese Healthcare Professionals Working In China: A Cross Sectional Survey, B K. Tan, Anne J. Smith, Peter B. O'Sullivan, Gang Chen, Angus F. Burnett, Andrew M. Briggs
Low Back Pain Beliefs Are Associated To Age, Location Of Work, Education And Pain-Related Disability In Chinese Healthcare Professionals Working In China: A Cross Sectional Survey, B K. Tan, Anne J. Smith, Peter B. O'Sullivan, Gang Chen, Angus F. Burnett, Andrew M. Briggs
Research outputs 2014 to 2021
Background: Low back pain (LBP) is the leading cause of disability worldwide. Evidence pointing towards a more efficacious model of care using a biopsychosocial approach for LBP management highlights the need to understand the pain-related beliefs of patients and those who treat them. The beliefs held by healthcare professionals (HCPs) are known to influence the treatment advice given to patients and consequently management outcomes. Back pain beliefs are known to be influenced by factors such as culture, education, health literacy, place of work, personal experience of LBP and the sequelae of LBP such as disability. There is currently a knowledge …
Pulmonary Function In Patients With Huntington's Disease, Alvaro Reyes, Travis Cruickshank, Mel Ziman, Ken Nosaka
Pulmonary Function In Patients With Huntington's Disease, Alvaro Reyes, Travis Cruickshank, Mel Ziman, Ken Nosaka
Research outputs 2014 to 2021
Background: Huntington's disease (HD) is a neurodegenerative disorder characterized by progressive motor, cognitive and psychiatric disturbances. Chest muscle rigidity, respiratory muscle weakness, difficulty in clearing airway secretions and swallowing abnormalities have been described in patients with neurodegenerative disorders including HD. However limited information is available regarding respiratory function in HD patients. The purpose of this study was to investigate pulmonary function of patients with HD in comparison to healthy volunteers, and its association with motor severity.Methods: Pulmonary function measures were taken from 18 (11 male, 7 female) manifest HD patients (53 ± 10 years), and 18 (10 male, 8 female) …
Predictors Of Grandparental Investment Decisions In Contemporary Europe: Biological Relatedness And Beyond, David A. Coall, Sonja Hilbrand, Ralph Hertwig
Predictors Of Grandparental Investment Decisions In Contemporary Europe: Biological Relatedness And Beyond, David A. Coall, Sonja Hilbrand, Ralph Hertwig
Research outputs 2014 to 2021
Across human cultures, grandparents make a valued contribution to the health of their families and communities. Moreover, evidence is gathering that grandparents have a positive impact on the development of grandchildren in contemporary industrialized societies. A broad range of factors that influence the likelihood grandparents will invest in their grandchildren has been explored by disciplines as diverse as sociology, economics, psychology and evolutionary biology. To progress toward an encompassing framework, this study will include biological relatedness between grandparents and grandchildren, a factor central to some discipline's theoretical frameworks (e.g., evolutionary biology), next to a wide range of other factors in …
Monitoring Changes In Circulating Tumour Cells As A Prognostic Indicator Of Overall Survival And Treatment Response In Patients With Metastatic Melanoma, Dragana Klinac, Elin S. Gray, James B. Freeman, Anna Reid, Samantha Bowyer, Michael Millward, Mel Ziman
Monitoring Changes In Circulating Tumour Cells As A Prognostic Indicator Of Overall Survival And Treatment Response In Patients With Metastatic Melanoma, Dragana Klinac, Elin S. Gray, James B. Freeman, Anna Reid, Samantha Bowyer, Michael Millward, Mel Ziman
Research outputs 2014 to 2021
Background: New effective treatments for metastatic melanoma greatly improve survival in a proportion of patients. However biomarkers to identify patients that are more likely to benefit from a particular treatment are needed. We previously reported on a multimarker approach for the detection of heterogenous melanoma circulating tumour cells (CTCs). Here we evaluated the prognostic value of this multimarker quantification of CTCs and investigated whether changes in CTC levels during therapy can be used as a biomarker of treatment response and survival outcomes.Methods: CTCs were captured by targeting the melanoma associated markers MCSP and MCAM as well as the melanoma stem …
Effect Of Bdnf Val66met On Memory Decline And Hippocampal Atrophy In Prodromal Alzheimer's Disease: A Preliminary Study, Yen Y. Lim, Victor L. Villemagne, Simon M. Laws, David Ames, Robert H. Pietrzak, Kathryn A. Ellis, Karra Harrington, Pierrick Bourgeat, Ashley I. Bush, Ralph N. Martins, Colin L. Masters, Christopher C. Rowe, Paul Maruff
Effect Of Bdnf Val66met On Memory Decline And Hippocampal Atrophy In Prodromal Alzheimer's Disease: A Preliminary Study, Yen Y. Lim, Victor L. Villemagne, Simon M. Laws, David Ames, Robert H. Pietrzak, Kathryn A. Ellis, Karra Harrington, Pierrick Bourgeat, Ashley I. Bush, Ralph N. Martins, Colin L. Masters, Christopher C. Rowe, Paul Maruff
Research outputs 2014 to 2021
Objective: Cross-sectional genetic association studies have reported equivocal results on the relationship between the brain-derived neurotrophic factor (BDNF) Val66Met and risk of Alzheimer's disease (AD). As AD is a neurodegenerative disease, genetic influences may become clearer from prospective study. We aimed to determine whether BDNF Val66Met polymorphism influences changes in memory performance, hippocampal volume, and Aβ accumulation in adults with amnestic mild cognitive impairment (aMCI) and high Aβ. Methods: Thirty-four adults with aMCI were recruited from the Australian, Imaging, Biomarkers and Lifestyle (AIBL) Study. Participants underwent PiB-PET and structural MRI neuroimaging, neuropsychological assessments and BDNF genotyping at baseline, 18 month, …
Improving Sexual Health In Men With Prostate Cancer: Randomised Controlled Trial Of Exercise And Psychosexual Therapies, Prue Cormie, Suzanne K. Chambers, Robert U. Newton, Robert A. Gardiner, Nigel Spry, Dennis R. Taaffe, David Joseph, M Akhlil Hamid, Peter Chong, David Hughes, Kyra Hamilton, Daniel A. Galvão
Improving Sexual Health In Men With Prostate Cancer: Randomised Controlled Trial Of Exercise And Psychosexual Therapies, Prue Cormie, Suzanne K. Chambers, Robert U. Newton, Robert A. Gardiner, Nigel Spry, Dennis R. Taaffe, David Joseph, M Akhlil Hamid, Peter Chong, David Hughes, Kyra Hamilton, Daniel A. Galvão
Research outputs 2014 to 2021
Background: Despite being a critical survivorship care issue, there is a clear gap in current knowledge of the optimal treatment of sexual dysfunction in men with prostate cancer. There is sound theoretical rationale and emerging evidence that exercise may be an innovative therapy to counteract sexual dysfunction in men with prostate cancer. Furthermore, despite the multidimensional aetiology of sexual dysfunction, there is a paucity of research investigating the efficacy of integrated treatment models. Therefore, the purpose of this study is to: 1) examine the efficacy of exercise as a therapy to aid in the management of sexual dysfunction in men …
An Anemia Of Alzheimer's Disease, N G. Faux, A Rembach, J Wiley, K A. Ellis, D Ames, C J. Fowler, Ralph N. Martins, K K. Pertile, R L. Rumble, B Trounson, C L. Masters, A I. Bush
An Anemia Of Alzheimer's Disease, N G. Faux, A Rembach, J Wiley, K A. Ellis, D Ames, C J. Fowler, Ralph N. Martins, K K. Pertile, R L. Rumble, B Trounson, C L. Masters, A I. Bush
Research outputs 2014 to 2021
Lower hemoglobin is associated with cognitive impairment and Alzheimer's disease (AD). Since brain iron homeostasis is perturbed in AD, we investigated whether this is peripherally reflected in the hematological and related blood chemistry values from the Australian Imaging Biomarker and Lifestyle (AIBL) study (a community-based, cross-sectional cohort comprising 768 healthy controls (HC), 133 participants with mild cognitive impairment (MCI) and 211 participants with AD). We found that individuals with AD had significantly lower hemoglobin, mean cell hemoglobin concentrations, packed cell volume and higher erythrocyte sedimentation rates (adjusted for age, gender, APOE-ε4 and site). In AD, plasma iron, transferrin, transferrin saturation …
Metals In Commonly Eaten Groceries In Western Australia: A Market Basket Survey And Dietary Assessment, Anna Callan, Andrea Hinwood, Amanda Devine
Metals In Commonly Eaten Groceries In Western Australia: A Market Basket Survey And Dietary Assessment, Anna Callan, Andrea Hinwood, Amanda Devine
Research outputs 2014 to 2021
Children’s dietary exposure to metals has received limited attention in Australia. This study undertook a market basket survey and analysed 253 food and beverages for metals. These data were used in conjunction with recent average diet data for children in Western Australia to model dietary metals exposure, with mean metals intakes calculated for boys and girls aged 8, 12, 13 and 16 years. Results show that for some metals, including cadmium, nickel and manganese, dietary intake guidelines have been exceeded in younger children. The mean modelled cadmium intake in children aged 8 years was almost 60% of the World Health …
Positive Patient Experiences In An Australian Integrative Oncology Centre, Bonnie J. Furzer, Anna S. Petterson, Kemi E. Wright, Karen E. Wallman, Timothy R. Ackland, David J. Joske
Positive Patient Experiences In An Australian Integrative Oncology Centre, Bonnie J. Furzer, Anna S. Petterson, Kemi E. Wright, Karen E. Wallman, Timothy R. Ackland, David J. Joske
Research outputs 2014 to 2021
Background: The purpose of this study was to explore the experiences of cancer patients' utilising complementary and integrative therapies (CIT) within integrative oncology centres across Western Australia.Methods: Across four locations 135 patients accessed CIT services whilst undergoing outpatient medical treatment for cancer. Of the 135 patients, 66 (61 ± 12 y; female n = 45; male n = 21) agreed to complete a personal accounts questionnaire consisting of open-ended questions designed to explore patients' perceptions of CIT. All results were transcribed into nVivo (v9) and using thematic analysis, key themes were identified.Results: Of the 66 participants, 100% indicated they would …
Learning To Pronounce First Words In Three Languages: An Investigation Of Caregiver And Infant Behavior Using A Computational Model Of An Infant., Ian S. Howard, Piers Messum
Learning To Pronounce First Words In Three Languages: An Investigation Of Caregiver And Infant Behavior Using A Computational Model Of An Infant., Ian S. Howard, Piers Messum
School of Engineering, Computing and Mathematics
Words are made up of speech sounds. Almost all accounts of child speech development assume that children learn the pronunciation of first language (L1) speech sounds by imitation, most claiming that the child performs some kind of auditory matching to the elements of ambient speech. However, there is evidence to support an alternative account and we investigate the non-imitative child behavior and well-attested caregiver behavior that this account posits using Elija, a computational model of an infant. Through unsupervised active learning, Elija began by discovering motor patterns, which produced sounds. In separate interaction experiments, native speakers of English, French and …
Day Occupation Is Associated With Psychopathology For Adolescents And Young Adults With Down Syndrome, Kitty-Rose R. Foley, Peter Jacoby, Stewart Einfeld, Sonya Girdler, Jenny Bourke, Vivienne Riches, Helen Leonard
Day Occupation Is Associated With Psychopathology For Adolescents And Young Adults With Down Syndrome, Kitty-Rose R. Foley, Peter Jacoby, Stewart Einfeld, Sonya Girdler, Jenny Bourke, Vivienne Riches, Helen Leonard
Research outputs 2014 to 2021
Background: Young adults with Down syndrome experience increased rates of emotional and behavioural problems compared with the general population. Most adolescents with Down syndrome living in Western Australia participate in sheltered employment as their main day occupation. Relationship between day occupation and changes in behaviour has not been examined. Therefore, the aim of this research was to explore any relationship between post school day occupations and changes in the young person's behaviour.Methods: The Down syndrome Needs Opinion Wishes database was used for case ascertainment of young adults aged 15 to 32 years with Down syndrome. Families of 118 young people …
Contourlet Textual Features: Improving The Diagnosis Of Solitary Pulmonary Nodules In Two Dimensional Ct Images, Jingjing Wang, Tao Sun, Ni Gao, Desmond D. Menon, Yanxia Luo, Qi Gao, Xia Li, Wei Wang, Huiping Zhu, Pingxin Lv, Zhigang Liang, Lixin Tao, Xiangtong Liu, Xiuhua Guo
Contourlet Textual Features: Improving The Diagnosis Of Solitary Pulmonary Nodules In Two Dimensional Ct Images, Jingjing Wang, Tao Sun, Ni Gao, Desmond D. Menon, Yanxia Luo, Qi Gao, Xia Li, Wei Wang, Huiping Zhu, Pingxin Lv, Zhigang Liang, Lixin Tao, Xiangtong Liu, Xiuhua Guo
Research outputs 2014 to 2021
Materials and Methods: A total of 6,299 CT images were acquired from 336 patients, with 1,454 benign pulmonary nodule images from 84 patients (50 male, 34 female) and 4,845 malignant from 252 patients (150 male, 102 female). Further to this, nineteen patient information categories, which included seven demographic parameters and twelve morphological features, were also collected. A contourlet was used to extract fourteen types of textural features. These were then used to establish three support vector machine models. One comprised a database constructed of nineteen collected patient information categories, another included contourlet textural features and the third one contained both …
Iron Status And The Acute Post-Exercise Hepcidin Response In Athletes, Peter Peeling, Marc Sim, Claire E. Badenhorst, Brian Dawson, Andrew D. Govus, Chris R. Abbiss, Dorine W. Swinkels, Debbie Trinder
Iron Status And The Acute Post-Exercise Hepcidin Response In Athletes, Peter Peeling, Marc Sim, Claire E. Badenhorst, Brian Dawson, Andrew D. Govus, Chris R. Abbiss, Dorine W. Swinkels, Debbie Trinder
Research outputs 2014 to 2021
This study explored the relationship between serum ferritin and hepcidin in athletes. Baseline serum ferritin levels of 54 athletes from the control trial of five investigations conducted in our laboratory were considered; athletes were grouped according to values 100 mg/L (SF>100). Data pooling resulted in each athlete completing one of five running sessions: (1) 8x3 min at 85% vVO2peak; (2) 5x4 min at 90% vVO2peak; (3) 90 min continuous at 75% vVO2peak; (4) 40 min continuous at 75% vVO 2peak; (5) 40 min continuous at 65% vVO2peak. Athletes from each running session were represented amongst all four groups; hence, …
Extending The Indications Of Flow Diversion To Small, Unruptured, Saccular Aneurysms Of The Anterior Circulation., Nohra Chalouhi, Md, Robert M Starke, Steven Yang, Cory D Bovenzi, Stavropoula Tjoumakaris, David Hasan, L. Fernando Gonzalez, Robert H. Rosenwasswer Md, Pascal Jabbour Md
Extending The Indications Of Flow Diversion To Small, Unruptured, Saccular Aneurysms Of The Anterior Circulation., Nohra Chalouhi, Md, Robert M Starke, Steven Yang, Cory D Bovenzi, Stavropoula Tjoumakaris, David Hasan, L. Fernando Gonzalez, Robert H. Rosenwasswer Md, Pascal Jabbour Md
Department of Neurosurgery Faculty Papers
BACKGROUND AND PURPOSE: Flow diverters are currently indicated for treatment of large and complex intracranial aneurysms. The purpose of this study was to determine whether the indications of flow diversion can be safely extended to unruptured, small, saccular aneurysms (<10 >mm) of the anterior circulation.
METHODS: Forty patients treated with the pipeline embolization device (PED) were matched in a 1:4 fashion with 160 patients treated with stent-assisted coiling based on patient age, sex, aneurysm location, and aneurysm size. Procedural complications, angiographic results, and clinical outcomes were analyzed and compared.
RESULTS: The rate of periprocedural complications was 5% in the PED …
Strong Relationship Between Oral Dose And Tenofovir Hair Levels In A Randomized Trial: Hair As A Potential Adherence Measure For Pre-Exposure Prophylaxis (Prep)., Albert Y. Liu, Qiyun Yang, Yong Huang, Peter Bacchetti, Peter L. Anderson, Chengshi Jin, Kathy Goggin, Kristefer Stojanovski, Robert Grant, Susan P. Buchbinder, Ruth M. Greenblatt, Monica Gandhi
Strong Relationship Between Oral Dose And Tenofovir Hair Levels In A Randomized Trial: Hair As A Potential Adherence Measure For Pre-Exposure Prophylaxis (Prep)., Albert Y. Liu, Qiyun Yang, Yong Huang, Peter Bacchetti, Peter L. Anderson, Chengshi Jin, Kathy Goggin, Kristefer Stojanovski, Robert Grant, Susan P. Buchbinder, Ruth M. Greenblatt, Monica Gandhi
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Pre-exposure prophylaxis (PrEP) trials using tenofovir-based regimens have demonstrated that high levels of adherence are required to evaluate efficacy; the incorporation of objective biomarkers of adherence in trial design has been essential to interpretation, given the inaccuracy of self-report. Antiretroviral measurements in scalp hair have been useful as a marker of long-term exposure in the HIV treatment setting, and hair samples are relatively easy and inexpensive to collect, transport, and store for analysis. To evaluate the relationship between dose and tenofovir concentrations in hair, we examined the dose proportionality of tenofovir in hair in healthy, HIV-uninfected adults.
METHODS: A …
Self-Regulating Smoking And Snacking Through Physical Activity., Hwajung Oh, Adrian H. Taylor
Self-Regulating Smoking And Snacking Through Physical Activity., Hwajung Oh, Adrian H. Taylor
Peninsula Medical School
OBJECTIVE: Emotional snacking contributes to weight gain after smoking cessation. Exercise acutely reduces cravings for cigarettes and snack food. This study examined if different exercise intensities acutely reduces snack and cigarette cravings and attentional bias (AB) to video clips of snacks and cigarettes among abstinent smokers. METHODS: Abstinent smokers (and snackers; N = 23) randomly did 15 mins of moderate and vigorous cycling and a passive control in a cross-over design. Visual initial AB (IAB) and maintained AB (MAB) were assessed pre- and after treatment while watching paired snacking/neutral or smoking/neutral video clips. Desire to snack and smoke were assessed …
A Biological, Latent Variable Model Of Health (Earlybird 68)., Michael E. Hyland, Alison N. Jeffery, Terence J. Wilkin
A Biological, Latent Variable Model Of Health (Earlybird 68)., Michael E. Hyland, Alison N. Jeffery, Terence J. Wilkin
School of Psychology
OBJECTIVE: To determine whether factor analysis of a set of health-related biomarkers provides evidence of an underlying common dimension of variation, and to explore the relationship between this dimension of variation with positive and negative affect. METHOD: Twelve health-related metabolic, immune and body-composition biomarkers at ages 5, 7, 9, 11, 14 and 16years were obtained from the EarlyBird longitudinal cohort of 347 children and supplemented by positive affect (PA) and negative affect (NA) measured at age 16years. RESULTS: At each age, principal factor analysis revealed that nine of the 12 biomarkers consistently loaded on the first extracted factor, accounting for …
The Phosphodiesterase-4 Inhibitor Rolipram Attenuates Heroin-Seeking Behavior Induced By Cues Or Heroin Priming In Rats, Miaojun Lai, Huaqiang Zhu, Anna Sun, Dingding Zhuang, Dan Fu, Weisheng Chen, Han-Ting Zhang, Wenhua Zhou
The Phosphodiesterase-4 Inhibitor Rolipram Attenuates Heroin-Seeking Behavior Induced By Cues Or Heroin Priming In Rats, Miaojun Lai, Huaqiang Zhu, Anna Sun, Dingding Zhuang, Dan Fu, Weisheng Chen, Han-Ting Zhang, Wenhua Zhou
Faculty & Staff Scholarship
Inhibition of phosphodiesterase-4 (PDE4), an enzyme that specifically hydrolyzes cyclic adenosine monophosphate (cAMP) increases intracellular cAMP/cAMP-response element binding protein (CREB) signaling. Activation of this signaling is considered as an important compensatory response that decreases motivational properties of drugs of abuse. However, it is not known whether PDE4 is involved in heroin seeking. Self-administration of heroin (50
Implicit Meaning In 18-Month-Old Toddlers., Luche C Delle, Samantha Durrant, Caroline Floccia, Kim Plunkett
Implicit Meaning In 18-Month-Old Toddlers., Luche C Delle, Samantha Durrant, Caroline Floccia, Kim Plunkett
School of Psychology
A substantial body of evidence demonstrates that infants understand the meaning of spoken words from as early as 6 months. Yet little is known about their ability to do so in the absence of any visual referent, which would offer diagnostic evidence for an adult-like, symbolic interpretation of words and their use in language mediated thought. We used the head-turn preference procedure to examine whether infants can generate implicit meanings from word forms alone as early as 18 months of age, and whether they are sensitive to meaningful relationships between words. In one condition, toddlers were presented with lists of …
Evaluating The Application Of Research-Based Guidance To The Design Of An Emergency Preparedness Leaflet., E. Hellier, J. Edworthy, L. Newbold, K. Titchener, M. Tucker, E. Gabe-Thomas
Evaluating The Application Of Research-Based Guidance To The Design Of An Emergency Preparedness Leaflet., E. Hellier, J. Edworthy, L. Newbold, K. Titchener, M. Tucker, E. Gabe-Thomas
School of Psychology
UNLABELLED: Guidelines for the design of emergency communications were derived from primary research and interrogation of the literature. The guidelines were used to re-design a nuclear emergency preparedness leaflet routinely distributed to households in the local area. Pre-test measures of memory for, and self-reported understanding of, nuclear safety information were collected. The findings revealed high levels of non-receipt of the leaflet, and among those who did receive it, memory for safety advice was poor. Subjective evaluations of the trial leaflet suggested that it was preferred and judged easier to understand than the original. Objective measures of memory for the two …
English-Learning One- To Two-Year-Olds Do Not Show A Consonant Bias In Word Learning., Caroline Floccia, Thierry Nazzi, Luche C Delle, Silvana Poltrock, Jeremy Goslin
English-Learning One- To Two-Year-Olds Do Not Show A Consonant Bias In Word Learning., Caroline Floccia, Thierry Nazzi, Luche C Delle, Silvana Poltrock, Jeremy Goslin
School of Psychology
Following the proposal that consonants are more involved than vowels in coding the lexicon (Nespor, Peña & Mehler, 2003), an early lexical consonant bias was found from age 1;2 in French but an equal sensitivity to consonants and vowels from 1;0 to 2;0 in English. As different tasks were used in French and English, we sought to clarify this ambiguity by using an interactive word-learning study similar to that used in French, with British-English-learning toddlers aged 1;4 and 1;11. Children were taught two CVC labels differing on either a consonant or vowel and tested on their pairing of a third …
Mediofrontal Event-Related Potentials In Response To Positive, Negative And Unsigned Prediction Errors., Thomas D. Sambrook, Jeremy Goslin
Mediofrontal Event-Related Potentials In Response To Positive, Negative And Unsigned Prediction Errors., Thomas D. Sambrook, Jeremy Goslin
School of Psychology
Reinforcement learning models make use of reward prediction errors (RPEs), the difference between an expected and obtained reward. There is evidence that the brain computes RPEs, but an outstanding question is whether positive RPEs ("better than expected") and negative RPEs ("worse than expected") are represented in a single integrated system. An electrophysiological component, feedback related negativity, has been claimed to encode an RPE but its relative sensitivity to the utility of positive and negative RPEs remains unclear. This study explored the question by varying the utility of positive and negative RPEs in a design that controlled for other closely related …
Using Forced Choice To Test Belief Bias In Syllogistic Reasoning., Dries Trippas, Michael F. Verde, Simon J. Handley
Using Forced Choice To Test Belief Bias In Syllogistic Reasoning., Dries Trippas, Michael F. Verde, Simon J. Handley
School of Psychology
In deductive reasoning, believable conclusions are more likely to be accepted regardless of their validity. Although many theories argue that this belief bias reflects a change in the quality of reasoning, distinguishing qualitative changes from simple response biases can be difficult (Dube, Rotello, & Heit, 2010). We introduced a novel procedure that controls for response bias. In Experiments 1 and 2, the task required judging which of two simultaneously presented syllogisms was valid. Surprisingly, there was no evidence for belief bias with this forced choice procedure. In Experiment 3, the procedure was modified so that only one set of premises …
Neuronal Activity Regulates Extracellular Tau In Vivo, Kaoru Yamada, Jerrah K. Holth, Fan Liao, Floy R. Stewart, Thomas E. Mahan, Hong Jiang, John R. Cirrito, Tirth K. Patel, Katja Hochgräfe, Eva-Maria Mandelkow, David M. Holtzman
Neuronal Activity Regulates Extracellular Tau In Vivo, Kaoru Yamada, Jerrah K. Holth, Fan Liao, Floy R. Stewart, Thomas E. Mahan, Hong Jiang, John R. Cirrito, Tirth K. Patel, Katja Hochgräfe, Eva-Maria Mandelkow, David M. Holtzman
Open Access Publications
Tau is primarily a cytoplasmic protein that stabilizes microtubules. However, it is also found in the extracellular space of the brain at appreciable concentrations. Although its presence there may be relevant to the intercellular spread of tau pathology, the cellular mechanisms regulating tau release into the extracellular space are not well understood. To test this in the context of neuronal networks in vivo, we used in vivo microdialysis. Increasing neuronal activity rapidly increased the steady-state levels of extracellular tau in vivo. Importantly, presynaptic glutamate release is sufficient to drive tau release. Although tau release occurred within hours in response to …