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Ashton SM, Gagnepain P, Davidson P, Hellerstedt R, Satish A, Smeets T, Quaedflieg CWEM. The Index of Intrusion Control (IIC): Capturing individual variability in intentional intrusion control in the laboratory. Behav Res Methods 2024:10.3758/s13428-024-02345-z. [PMID: 38291222 DOI: 10.3758/s13428-024-02345-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2024] [Indexed: 02/01/2024]
Abstract
Intrusive memories can be downregulated using intentional memory control, as measured via the Think/No-Think paradigm. In this task, participants retrieve or suppress memories in response to an associated reminder cue. After each suppression trial, participants rate whether the association intruded into awareness. Previous research has found that repeatedly exerting intentional control over memory intrusions reduces their frequency. This decrease is often summarised with a linear index, which may miss more complex patterns characterising the temporal dynamics of intrusion control. The goal of this paper is to propose a novel metric of intrusion control that captures those dynamic changes over time as a single index. Results from a mega-analysis of published datasets revealed that the change in intrusion frequencies across time is not purely linear, but also includes non-linear dynamics that seem best captured by a log function of the number of suppression attempts. To capture those linear and non-linear dynamics, we propose the Index of Intrusion Control (IIC), which relies on the integral of intrusion changes across suppression attempts. Simulations revealed that the IIC best captured the linear and non-linear dynamics of intrusion suppression when compared with other linear or non-linear indexes of control, such as the regression slope or Spearman correlation, respectively. Our findings demonstrate how the IIC may therefore act as a more reliable metric to capture individual differences in intrusion control, and examine the role of non-linear dynamics characterizing the conscious access to unwanted memories.
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Affiliation(s)
- Stephanie M Ashton
- Department of Neuropsychology and Psychopharmacology, Maastricht University, Maastricht, the Netherlands.
| | - Pierre Gagnepain
- Neuropsychologie et Imagerie de la Mémoire Humaine, Normandie Université, UNICAEN, PSL Research University, EPHE, INSERM, U1077, CHU de Caen, GIP Cyceron, Caen, France
| | - Per Davidson
- Department of Psychology, Kristianstad University, Kristianstad, Sweden
| | - Robin Hellerstedt
- Centre for Technological Biology, Universidad Politecnica de Madrid, Madrid, Spain
| | - Akul Satish
- Medical Research Council - Cognitive and Brain Sciences Unit, University of Cambridge, Cambridge, UK
| | - Tom Smeets
- Department of Medical and Clinical Psychology, Center of Research on Psychological disorders and Somatic diseases (CoRPS), Tilburg University, Tilburg, the Netherlands
| | - Conny W E M Quaedflieg
- Department of Neuropsychology and Psychopharmacology, Maastricht University, Maastricht, the Netherlands
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2
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Davidson P, Marcusson-Clavertz D. The effect of sleep on intrusive memories in daily life: a systematic review and meta-analysis of trauma film experiments. Sleep 2023; 46:6844013. [PMID: 36420573 PMCID: PMC9905779 DOI: 10.1093/sleep/zsac280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/04/2022] [Indexed: 11/25/2022] Open
Abstract
STUDY OBJECTIVES To synthesize the literature on the effect of sleep versus wake on the frequency and distress of intrusive memories in everyday life after watching film clips with distressing content as a proxy for traumatic experiences. METHODS We conducted a systematic review by searching PubMed and PsychInfo. The last search was conducted on January 31, 2022. We included experimental studies comparing sleep and wake groups on intrusions using ecological diary methods, whereas studies lacking a wake control condition or relying solely on intrusion-triggering tasks or retrospective questionnaires were excluded. Meta-analyses were performed to evaluate the results. Risks of biases were assessed following the Cochrane guidelines. RESULTS Across 7 effect sizes from 6 independent studies, sleep (n = 192), as compared to wake (n = 175), significantly reduced the number of intrusive memories (Hedges' g = -0.26, p = .04, 95% CI [-0.50, -0.01]), but not the distress associated with them (Hedges' g = -0.14, p = .25, 95% CI [-0.38, 0.10]). CONCLUSIONS Although the results suggest that sleep reduces the number of intrusions, there is a strong need for high-powered pre-registered studies to confirm this effect. Risks of biases in the reviewed work concern the selection of the reported results, measurement of the outcome, and failure to adhere to the intervention. Limitations with the current meta-analysis include the small number of studies, which comprised only English-language articles, and the fact that it was not pre-registered.
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Affiliation(s)
- Per Davidson
- Department of Psychology, Lund University, Lund, Sweden.,Department of Psychiatry, Massachusetts General Hospital, MA, USA.,Department of Psychiatry, Harvard Medical School, MA, USA
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3
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Marcusson-Clavertz D, Persson SD, Davidson P, Kim J, Cardeña E, Kuehner C. Mind wandering and sleep in daily life: A combined actigraphy and experience sampling study. Conscious Cogn 2023; 107:103447. [PMID: 36469956 DOI: 10.1016/j.concog.2022.103447] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 12/05/2022]
Abstract
Individuals who sleep poorly report spending more time mind wandering during the day. However, past research has relied on self-report measures of sleep or measured mind wandering during laboratory tasks, which prevents generalization to everyday contexts. We used ambulatory assessments to examine the relations between several features of sleep (duration, fragmentation, and disturbances) and mind wandering (task-unrelated, stimulus-independent, and unguided thoughts). Participants wore a wristband device that collected actigraphy and experience-sampling data across 7 days and 8 nights. Contrary to our expectations, task-unrelated and stimulus-independent thoughts were not associated with sleep either within- or between-persons (n = 164). Instead, individual differences in unguided thoughts were associated with sleep disturbances and duration, suggesting that individuals who more often experience unguided train-of-thoughts have greater sleep disturbances and sleep longer. These results highlight the need to consider the context and features of mind wandering when relating it to sleep.
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Affiliation(s)
- David Marcusson-Clavertz
- Department of Psychology, Lund University, Box 213, 221 00 Lund, Sweden; Department of Psychology, Linnaeus University, Hus L, Trummenvägen 11, 351 95 Växjö, Sweden.
| | - Stefan D Persson
- Department of Psychology, Lund University, Box 213, 221 00 Lund, Sweden
| | - Per Davidson
- Department of Psychology, Lund University, Box 213, 221 00 Lund, Sweden; Department of Psychiatry, Massachusetts General Hospital, CNY 149 13th Street, Charlestown, MA 02129, USA; Department of Psychiatry, Harvard Medical School, CNY 149 13th Street, Charlestown, MA 02129, USA
| | - Jinhyuk Kim
- Department of Informatics, Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu, Shizuoka 432-8011, Japan
| | - Etzel Cardeña
- Department of Psychology, Lund University, Box 213, 221 00 Lund, Sweden
| | - Christine Kuehner
- Research Group Longitudinal and Intervention Research, Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Square J5, 68159 Mannheim, Germany
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4
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Davidson P, Jönsson P, Johansson M. The association between mnemonic discrimination ability and differential fear learning. J Behav Ther Exp Psychiatry 2022; 75:101715. [PMID: 34959001 DOI: 10.1016/j.jbtep.2021.101715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 09/13/2021] [Accepted: 12/04/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES It is important to be able to learn which stimuli in our surroundings predict aversive outcomes. To maintain emotional well-being, it is similarly important to be able to learn which stimuli predict safety. The ability to discriminate between stimuli that predict danger and safety has been suggested to not only have an emotional component, but also a cognitive one. One such candidate mechanism is mnemonic discrimination (MD), the ability to differentiate between two memories that are similar but not identical. In the present study, we wanted to examine if MD performance helps to explain inter-individual differences in the ability to acquire a differentiated fear response during fear conditioning. METHODS Participants performed a task assessing MD ability, and then underwent a fear conditioning procedure. Fear responses were measured using skin conductance responses (SCRs). RESULTS Results revealed no support for MD ability being associated with to which degree a differentiated fear response was acquired, or with the time needed to acquire such a response. LIMITATIONS Our only outcome measurement was SCRs. Future studies need to include fear ratings, expectancy ratings and neural responses. Future studies also need to examine this using a stimulus material where the conditioned stimulus and the safety stimulus are more difficult to distinguish from each other. CONCLUSIONS If MD ability has a role in inhibiting overgeneralization of fear learning, this does not seem to be driven by MD already during the initial learning.
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Affiliation(s)
- Per Davidson
- Department of Psychology, Lund University, Box 213, 221 00, Lund, Sweden; Department of Psychiatry, Massachusetts General Hospital, CNY 149 13th Street, Charlestown, MA, 02129, USA; Department of Psychiatry, Harvard Medical School, CNY 149 13th Street, Charlestown, MA, 02129, USA.
| | - Peter Jönsson
- School of Education and Environment, Centre for Psychology, Kristianstad University, Elmetorpsvägen 15, 298 88, Kristianstad, Sweden
| | - Mikael Johansson
- Department of Psychology, Lund University, Box 213, 221 00, Lund, Sweden
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Shaikh F, Wynne R, Castelino R, Inglis S, Davidson P, Ferguson C. Practices, Beliefs, and Attitudes of Clinicians in the Use of Direct Oral Anticoagulants in Obese Adults With Atrial Fibrillation. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Davidson P, Pace-Schott E. Publisher Correction: Go to Bed and You MIGHT Feel Better in the Morning—the Effect of Sleep on Affective Tone and Intrusiveness of Emotional Memories. Curr Sleep Medicine Rep 2021. [DOI: 10.1007/s40675-021-00205-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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7
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Davidson P, Pace-Schott E. Go to Bed and You MIGHT Feel Better in the Morning—the Effect of Sleep on Affective Tone and Intrusiveness of Emotional Memories. Curr Sleep Medicine Rep 2021. [DOI: 10.1007/s40675-020-00200-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Abstract
Purpose of Review
It is important to examine what effect sleep has after an emotional experience. More knowledge about this topic could help inform us whether there are any potential sleep interventions that could help make sure that memories of negative emotional experiences are processed in the most adaptive manner possible.
Recent Findings
Findings on the role of sleep in altering reactivity to emotional stimuli have been highly varied, with significant findings in opposite directions. A new exciting development in the field is several studies finding that sleep seems to make memories of negative experiences less intrusive.
Summary
This review has mainly aimed to give an overview of the field, and of which issues need to be resolved. We argue for there being a strong need for standardization of how data are analyzed and presented, as well as for better methods for determining to what extent the effects of sleep are specific for a particular memory, or represent general changes in emotional reactivity.
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8
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Singh G, Ferguson C, Davidson P, Newton P. Understanding and Defining Palliative Care in Chronic Heart Failure: A Survey of Cardiovascular Health Professionals. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Davidson P, Jönsson P, Carlsson I, Pace-Schott E. Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance? Nat Sci Sleep 2021; 13:1257-1306. [PMID: 34335065 PMCID: PMC8318217 DOI: 10.2147/nss.s286701] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 03/24/2021] [Indexed: 12/12/2022] Open
Abstract
Sleep has been found to have a beneficial effect on memory consolidation. It has furthermore frequently been suggested that sleep does not strengthen all memories equally. The first aim of this review paper was to examine whether sleep selectively strengthens emotional declarative memories more than neutral ones. We examined this first by reviewing the literature focusing on sleep/wake contrasts, and then the literature on whether any specific factors during sleep preferentially benefit emotional memories, with a special focus on the often-suggested claim that rapid eye movement sleep primarily consolidates emotional memories. A second aim was to examine if sleep preferentially benefits memories based on other cues of future relevance such as reward, test-expectancy or different instructions during encoding. Once again, we first focused on studies comparing sleep and wake groups, and then on studies examining the contributions of specific factors during sleep (for each future relevance paradigm, respectively). The review revealed that although some support exists that sleep is more beneficial for certain kinds of memories based on emotion or other cues of future relevance, the majority of studies does not support such an effect. Regarding specific factors during sleep, our review revealed that no sleep variable has reliably been found to be specifically associated with the consolidation of certain kinds of memories over others based on emotion or other cues of future relevance.
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Affiliation(s)
- Per Davidson
- Department of Psychology, Lund University, Lund, Sweden.,Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Peter Jönsson
- School of Education and Environment, Centre for Psychology, Kristianstad University, Kristianstad, Sweden
| | | | - Edward Pace-Schott
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA.,Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, USA
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10
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Geia L, Baird K, Bail K, Barclay L, Bennett J, Best O, Birks M, Blackley L, Blackman R, Bonner A, Bryant AO R, Buzzacott C, Campbell S, Catling C, Chamberlain C, Cox L, Cross W, Cruickshank M, Cummins A, Dahlen H, Daly J, Darbyshire P, Davidson P, Denney-Wilson E, De Souza R, Doyle K, Drummond A, Duff J, Duffield C, Dunning T, East L, Elliott D, Elmir R, Fergie OAM D, Ferguson C, Fernandez R, Flower AM D, Foureur M, Fowler C, Fry M, Gorman E, Grant J, Gray J, Halcomb E, Hart B, Hartz D, Hazelton M, Heaton L, Hickman L, Homer AO CSE, Hungerford C, Hutton A, Jackson AO D, Johnson A, Kelly MA, Kitson A, Knight S, Levett-Jones T, Lindsay D, Lovett R, Luck L, Molloy L, Manias E, Mannix J, Marriott AMR, Martin M, Massey D, McCloughen A, McGough S, McGrath L, Mills J, Mitchell BG, Mohamed J, Montayre J, Moroney T, Moyle W, Moxham L, Northam OAM H, Nowlan S, O'Brien AP, Ogunsiji O, Paterson C, Pennington K, Peters K, Phillips J, Power T, Procter N, Ramjan L, Ramsay N, Rasmussen B, Rihari-Thomas J, Rind B, Robinson M, Roche M, Sainsbury K, Salamonson Y, Sherwood J, Shields L, Sim J, Skinner I, Smallwood G, Smallwood R, Stewart L, Taylor S, Usher AM K, Virdun C, Wannell J, Ward R, West C, West R, Wilkes L, Williams R, Wilson R, Wynaden D, Wynne R. A unified call to action from Australian nursing and midwifery leaders: ensuring that Black lives matter. Contemp Nurse 2020; 56:297-308. [DOI: 10.1080/10376178.2020.1809107] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- L. Geia
- James Cook University, Townsville, QLD, Australia
| | - K. Baird
- University of Technology Sydney, Sydney, NSW, Australia
| | - K. Bail
- University of Canberra, Canberra, ACT, Australia
| | - L. Barclay
- University of Sydney, Sydney, NSW, Australia
| | - J. Bennett
- University of Newcastle, Callaghan, NSW, Australia
| | - O. Best
- University of Southern Queensland, Darling Heights, QLD, Australia
| | - M. Birks
- James Cook University, Townsville, QLD, Australia
| | - L. Blackley
- Queensland Health, Joyce Palmer Health Service, Palm Island, QLD, Australia
| | - R. Blackman
- Gidgee Healing Mt Isa, Mount Isa, QLD, Australia
| | - A. Bonner
- Griffith University, Brisbane, QLD, Australia
| | - R. Bryant AO
- Rosemary Bryant Foundation, South Australia, Australia
| | - C. Buzzacott
- Rhodanthe Lipsett Indigenous Midwifery Charitable Fund, Caringbah, NSW, Australia
| | - S. Campbell
- Charles Darwin University, Darwin, NT, Australia
| | - C. Catling
- University of Technology Sydney, Sydney, NSW, Australia
| | | | - L. Cox
- Queensland University of Technology, Brisbane, QLD, Australia
| | - W. Cross
- Federation University, Ballarat, VIC, Australia
| | - M. Cruickshank
- University of Technology Sydney, Sydney, NSW, Australia
- Sydney Children’s Hospital Network, Sydney, NSW, Australia
| | - A. Cummins
- University of Technology Sydney, Sydney, NSW, Australia
| | - H. Dahlen
- Western Sydney University, Sydney, NSW, Australia
| | - J. Daly
- University of Sydney, Sydney, NSW, Australia
| | - P. Darbyshire
- Philip Darbyshire Consulting, Highbury, South Australia, Australia
| | - P. Davidson
- University of Technology Sydney, Sydney, NSW, Australia
- Western Sydney University, Sydney, NSW, Australia
- John Hopkins University, Baltimore, USA
| | | | | | - K. Doyle
- Western Sydney University, Sydney, NSW, Australia
| | - A. Drummond
- Queensland University of Technology, Brisbane, QLD, Australia
| | - J. Duff
- Queensland University of Technology, Brisbane, QLD, Australia
| | - C. Duffield
- University of Technology Sydney, Sydney, NSW, Australia
- Edith Cowan University, Perth, Western Australia, Australia
| | - T. Dunning
- Deakin University, Melbourne, VIC, Australia
| | - L. East
- University of New England, Armidale, NSW, Australia
| | - D. Elliott
- University of Technology Sydney, Sydney, NSW, Australia
| | - R. Elmir
- Western Sydney University, Sydney, NSW, Australia
| | - D. Fergie OAM
- Australian Catholic University, Fitzroy, VIC, Australia
| | - C. Ferguson
- Western Sydney University, Sydney, NSW, Australia
| | - R. Fernandez
- University of Wollongong, Keiraville, NSW, Australia
| | | | - M. Foureur
- University of Newcastle, Callaghan, NSW, Australia
| | - C. Fowler
- University of Technology Sydney, Sydney, NSW, Australia
| | - M. Fry
- University of Technology Sydney, Sydney, NSW, Australia
| | - E. Gorman
- New South Wales Health, Sydney, NSW, Australia
| | - J. Grant
- Charles Sturt University, Dubbo, NSW, Australia
| | - J. Gray
- University of Technology Sydney, Sydney, NSW, Australia
| | - E. Halcomb
- University of Wollongong, Keiraville, NSW, Australia
| | - B. Hart
- University of Notre Dame, Darlinghurst, NSW, Australia
| | - D. Hartz
- Charles Darwin University, Darwin, NT, Australia
| | - M. Hazelton
- University of Newcastle, Callaghan, NSW, Australia
| | - L. Heaton
- Western Sydney University, Sydney, NSW, Australia
| | - L. Hickman
- University of Technology Sydney, Sydney, NSW, Australia
- Contemporary Nurse Journal
| | | | | | - A. Hutton
- University of Newcastle, Callaghan, NSW, Australia
| | - D. Jackson AO
- University of Technology Sydney, Sydney, NSW, Australia
| | - A. Johnson
- University of Newcastle, Callaghan, NSW, Australia
| | - M. A. Kelly
- Sydney Children’s Hospital Network, Sydney, NSW, Australia
| | - A. Kitson
- Western Sydney University, Sydney, NSW, Australia
| | - S. Knight
- James Cook University, Townsville, QLD, Australia
| | | | - D. Lindsay
- James Cook University, Townsville, QLD, Australia
| | - R. Lovett
- Australian National University, Canberra, Australian Capital Territory, Australia
| | - L. Luck
- Western Sydney University, Sydney, NSW, Australia
| | - L. Molloy
- University of Wollongong, Keiraville, NSW, Australia
| | - E. Manias
- Deakin University, Melbourne, VIC, Australia
| | - J. Mannix
- Western Sydney University, Sydney, NSW, Australia
| | | | - M. Martin
- Queensland Aboriginal and Islander Health Council, Brisbane, QLD, Australia
| | - D. Massey
- Southern Cross University, Gold Coast Campus, QLD, Australia
| | | | - S. McGough
- Curtin University, Perth, Western Australia, Australia
| | - L. McGrath
- Aboriginal Medical Service Redfern, Sydney, NSW, Australia
| | - J. Mills
- La Trobe University, Melbourne, VIC, Australia
| | | | - J. Mohamed
- Lowitja Institute, Melbourne, VIC, Australia
| | - J. Montayre
- Western Sydney University, Sydney, NSW, Australia
| | - T. Moroney
- University of Wollongong, Keiraville, NSW, Australia
| | - W. Moyle
- Griffith University, Brisbane, QLD, Australia
| | - L. Moxham
- University of Wollongong, Keiraville, NSW, Australia
| | | | - S. Nowlan
- Queensland Health, Joyce Palmer Health Service, Palm Island, QLD, Australia
| | | | - O. Ogunsiji
- Western Sydney University, Sydney, NSW, Australia
| | - C. Paterson
- University of Canberra, Canberra, ACT, Australia
| | - K. Pennington
- Flinders University, Adelaide, South Australia, Australia
| | - K. Peters
- Western Sydney University, Sydney, NSW, Australia
| | - J. Phillips
- University of Technology Sydney, Sydney, NSW, Australia
| | - T. Power
- University of Technology Sydney, Sydney, NSW, Australia
| | - N. Procter
- University of South Australia, Adelaide, South Australia, Australia
| | - L. Ramjan
- Western Sydney University, Sydney, NSW, Australia
| | - N. Ramsay
- Queensland Health, Joyce Palmer Health Service, Palm Island, QLD, Australia
| | | | | | - B. Rind
- Aboriginal Health Unit Mt Druitt Hospital, Sydney, NSW, Australia
| | - M. Robinson
- Murdoch University, Perth, Western Australia, Australia
| | - M. Roche
- University of Technology Sydney, Sydney, NSW, Australia
| | - K. Sainsbury
- University of Canberra, Canberra, ACT, Australia
| | | | - J. Sherwood
- Charles Sturt University, Dubbo, NSW, Australia
| | - L. Shields
- University of Queensland, Brisbane, QLD, Australia
| | - J. Sim
- University of Wollongong, Keiraville, NSW, Australia
| | - I. Skinner
- James Cook University, Townsville, QLD, Australia
| | - G. Smallwood
- James Cook University, Townsville, QLD, Australia
| | - R. Smallwood
- University of Newcastle, Callaghan, NSW, Australia
- University of New England, Armidale, NSW, Australia
| | - L. Stewart
- James Cook University, Townsville, QLD, Australia
| | - S. Taylor
- Top End Health, Northern Territory, Darwin, NT, Australia
| | - K. Usher AM
- University of Technology Sydney, Sydney, NSW, Australia
- University of New England, Armidale, NSW, Australia
| | - C. Virdun
- University of Technology Sydney, Sydney, NSW, Australia
| | - J. Wannell
- Melbourne Poche Centre for Indigenous Health, Melbourne, VIC, Australia
| | - R. Ward
- University of Southern Queensland, Darling Heights, QLD, Australia
| | - C. West
- James Cook University, Townsville, QLD, Australia
| | - R. West
- Griffith University, Brisbane, QLD, Australia
| | - L. Wilkes
- Western Sydney University, Sydney, NSW, Australia
| | - R. Williams
- Charles Darwin University, Darwin, NT, Australia
| | - R. Wilson
- University of Newcastle, Callaghan, NSW, Australia
- University of New England, Armidale, NSW, Australia
| | - D. Wynaden
- Curtin University, Perth, Western Australia, Australia
| | - R. Wynne
- Western Sydney University, Sydney, NSW, Australia
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11
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Lazenby M, Chambers S, Chyun D, Davidson P, Dithole K, Norman I, Tlou S. Clinical nursing and midwifery education in the pandemic age. Int Nurs Rev 2020; 67:323-325. [PMID: 32578218 PMCID: PMC7361742 DOI: 10.1111/inr.12601] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 05/21/2020] [Accepted: 05/24/2020] [Indexed: 11/29/2022]
Abstract
The COVID‐19 pandemic has disrupted clinical nursing and midwifery education. This disruption has long‐term implications for the nursing and midwifery workforce and for future healthcare responses to pandemics. Solutions may include enhanced partnerships between schools of nursing and midwifery and health service providers and including schools of nursing and midwifery in preparedness planning. These suggestions notwithstanding, we call upon national and international nursing and midwifery bodies to study how to further the clinical education of nurses and midwives during pandemics and other times of crisis.
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Affiliation(s)
- M Lazenby
- University of Connecticut School of Nursing, Storrs, Connecticut, USA
| | - S Chambers
- Faculty of Health, University of Technology Sydney, Sydney, Australia
| | - D Chyun
- University of Connecticut School of Nursing, Storrs, Connecticut, USA
| | - P Davidson
- Johns Hopkins University School of Nursing, Baltimore, Maryland, USA
| | - K Dithole
- University of Botswana School of Nursing, Gaborone, Botswana
| | - I Norman
- Florence Nightingale Faculty of Nursing, Midwifery, and Palliative Care, King's College London, London, UK
| | - S Tlou
- University of Botswana School of Nursing, Gaborone, Botswana
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12
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Davidson P, Jönsson P, Johansson M. A daytime nap does not increase mnemonic discrimination ability. J Sleep Res 2020; 30:e13128. [PMID: 32557911 DOI: 10.1111/jsr.13128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 03/26/2020] [Accepted: 05/25/2020] [Indexed: 11/30/2022]
Abstract
It has been proposed that sleep readies the brain for novel learning, and previous work has shown that sleep loss impairs the ability to encode new memories. In the present study, we examined if a daytime nap would increase mnemonic discrimination (MD) performance. MD is the ability to differentiate between memories that are similar but not identical. Participants performed the Mnemonic Similarity Task (MST) twice, once in the morning and once in the afternoon. The goal of this task is to distinguish stimuli that have been seen before from novel stimuli that are similar but not identical. After the morning MST, participants were randomly allocated into either a sleep or a wake group. The sleep group had a 2-hr nap opportunity, whereas the wake group spent a similar amount of time passively resting. All participants then performed a second MST in the afternoon with a novel set of images. Results did not show any support for increased MD ability after a nap. There was, however, a correlation showing that an increase in sleepiness between sessions predicted a decrease in MD performance. Future work must systematically examine how strong sleep manipulations that are needed for sleep to have an effect on encoding ability, as well as which kind of memory tasks that are sensitive to sleep manipulations. More knowledge about the relationship between sleep and the ability to differentiate similar memories from each other is important because impaired MD ability has previously been reported in various groups in which sleep disturbances are also common.
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Affiliation(s)
- Per Davidson
- Department of Psychology, Lund University, Lund, Sweden.,Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Peter Jönsson
- School of Education of Environment, Centre for Psychology, Kristianstad University, Kristianstad, Sweden
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Björkstrand J, Schiller D, Li J, Davidson P, Rosén J, Mårtensson J, Kirk U. The effect of mindfulness training on extinction retention. Sci Rep 2019; 9:19896. [PMID: 31882606 PMCID: PMC6934560 DOI: 10.1038/s41598-019-56167-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 12/05/2019] [Indexed: 11/09/2022] Open
Abstract
Anxiety and trauma related disorders are highly prevalent, causing suffering and high costs for society. Current treatment strategies, although effective, only show moderate effect-sizes when compared to adequate control groups demonstrating a need to develop new forms of treatment or optimize existing ones. In order to achieve this, an increased understanding of what mechanisms are involved is needed. An emerging literature indicates that mindfulness training (MFT) can be used to treat fear and anxiety related disorders, but the treatment mechanisms are unclear. One hypothesis, largely based on findings from neuroimaging studies, states that MFT may improve extinction retention, but this has not been demonstrated empirically. To investigate this question healthy subjects either completed a 4-week MFT- intervention delivered through a smart-phone app (n = 14) or were assigned to a waitlist (n = 15). Subsequently, subjects participated in a two-day experimental protocol using pavlovian aversive conditioning, evaluating acquisition and extinction of threat-related responses on day 1, and extinction retention on day 2. Results showed that the MFT group displayed reduced spontaneous recovery of threat related arousal responses, as compared to the waitlist control group, on day 2. MFT did not however, have an effect on either the acquisition or extinction of conditioned responses day 1. This clarifies the positive effect of MFT on emotional functioning and could have implications for the treatment of anxiety and trauma related disorders.
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Affiliation(s)
- Johannes Björkstrand
- Department of Psychology, University of Southern Denmark, Odense, Denmark. .,Department of Psychology, Uppsala University, Uppsala, Sweden. .,Department of Psychology, Lund University, Lund, Sweden.
| | - Daniela Schiller
- Departments of Psychiatry and Neuroscience, and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jian Li
- School of Psychological and Cognitive Sciences and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
| | - Per Davidson
- Department of Psychology, Lund University, Lund, Sweden
| | - Jörgen Rosén
- Department of Psychology, Uppsala University, Uppsala, Sweden
| | | | - Ulrich Kirk
- Department of Psychology, University of Southern Denmark, Odense, Denmark
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Davidson P, Hellerstedt R, Jönsson P, Johansson M. Suppression-induced forgetting diminishes following a delay of either sleep or wake. Journal of Cognitive Psychology 2019. [DOI: 10.1080/20445911.2019.1705311] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Per Davidson
- Department of Psychology, Lund University, Lund, Sweden
| | - Robin Hellerstedt
- Department of Psychology, Lund University, Lund, Sweden
- School of Psychology, University of Kent, Canterbury, Kent, UK
| | - Peter Jönsson
- School of Education and Environment, Centre for Psychology, Kristianstad University, Kristianstad, Sweden
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Davidson P, Pace-Schott E. The role of sleep in fear learning and memory. Curr Opin Psychol 2019; 34:32-36. [PMID: 31568938 DOI: 10.1016/j.copsyc.2019.08.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/06/2019] [Accepted: 08/15/2019] [Indexed: 12/14/2022]
Abstract
During the last 10 years, a large body of studies have used fear conditioning paradigms to study the role of sleep in the consolidation of fear and safety learning. This line of research could allow us to answer if it is adaptive or not to sleep in the aftermath of a negative experience, and if sleep has a role in consolidating extinction learning. This field has so far produced several contrasting findings. Thus, this review will not deliver many clear conclusions, but will instead be an attempt to summarize what we know at the moment, to describe the potential clinical applications of this research, and to discuss where to go from here.
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Affiliation(s)
- Per Davidson
- Department of Psychiatry, Massachusetts General Hospital, 149 13th Street, Charlestown, MA 02129, USA; Department of Psychiatry, Harvard Medical School, 149 13th Street, Charlestown, MA 02129, USA; Department of Psychology, Lund University, Box 213, 221 00, Lund, Sweden.
| | - Edward Pace-Schott
- Department of Psychiatry, Massachusetts General Hospital, 149 13th Street, Charlestown, MA 02129, USA; Department of Psychiatry, Harvard Medical School, 149 13th Street, Charlestown, MA 02129, USA
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Carlsson I, Davidson P, Ors M. Effects of a Daytime Nap on Primed and Repeated Remote Associates Tests and Relations with Divergent Creativity. Creativity Research Journal 2019. [DOI: 10.1080/10400419.2019.1606619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Davidson P, Carlsson I, Jönsson P, Johansson M. 0102 A Daytime Nap Does Not Increase Pattern Separation Ability. Sleep 2019. [DOI: 10.1093/sleep/zsz067.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Darvishpoor Kakhki A, Davidson P. MEASURING THE QUALITY OF LIFE OF OLDER PEOPLE: DEVELOPMENT OF AN INSTRUMENT. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Reznikov M, Andrienko D, Boychuk V, Bubnov A, Dolgov L, Dozov I, Davidson P, Gabovich A, Hegmann T, Ilchishin I, Karapinar R, Korniychuk P, Stepanchikov D, Tkachenko O, Kurioz Y, Manevich M, Negriyko A, Parka J, Pergamenshchik V, Rosenblatt C, Singer K, Terenetskaya I, Vashchenko V, Vasnetsov M, Soskin M, Wolinski T, Yaroshchuk O. Recollections of Professor Yuriy Reznikov. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.08.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ascott MJ, Gooddy DC, Lapworth DJ, Davidson P, Bowes MJ, Jarvie HP, Surridge BWJ. Phosphorus fluxes to the environment from mains water leakage: Seasonality and future scenarios. Sci Total Environ 2018; 636:1321-1332. [PMID: 29913593 DOI: 10.1016/j.scitotenv.2018.04.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 04/12/2018] [Accepted: 04/17/2018] [Indexed: 06/08/2023]
Abstract
Accurate quantification of sources of phosphorus (P) entering the environment is essential for the management of aquatic ecosystems. P fluxes from mains water leakage (MWL-P) have recently been identified as a potentially significant source of P in urbanised catchments. However, both the temporal dynamics of this flux and the potential future significance relative to P fluxes from wastewater treatment works (WWT-P) remain poorly constrained. Using the River Thames catchment in England as an exemplar, we present the first quantification of both the seasonal dynamics of current MWL-P fluxes and future flux scenarios to 2040, relative to WWT-P loads and to P loads exported from the catchment. The magnitude of the MWL-P flux shows a strong seasonal signal, with pipe burst and leakage events resulting in peak P fluxes in winter (December, January, February) that are >150% of fluxes in either spring (March, April, May) or autumn (September, October, November). We estimate that MWL-P is equivalent to up to 20% of WWT-P during peak leakage events. Winter rainfall events control temporal variation in both WWT-P and riverine P fluxes which consequently masks any signal in riverine P fluxes associated with MWL-P. The annual average ratio of MWL-P flux to WWT-P flux is predicted to increase from 15 to 38% between 2015 and 2040, associated with large increases in P removal at wastewater treatment works by 2040 relative to modest reductions in mains water leakage. However, further research is required to understand the fate of MWL-P in the environment. Future P research and management programmes should more fully consider MWL-P and its seasonal dynamics, alongside the likely impacts of this source of P on water quality.
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Affiliation(s)
- M J Ascott
- British Geological Survey, Maclean Building, Crowmarsh, Oxfordshire, OX10 8BB, United Kingdom.
| | - D C Gooddy
- British Geological Survey, Maclean Building, Crowmarsh, Oxfordshire, OX10 8BB, United Kingdom
| | - D J Lapworth
- British Geological Survey, Maclean Building, Crowmarsh, Oxfordshire, OX10 8BB, United Kingdom
| | - P Davidson
- Environment Agency, Kings Meadow House, Kings Meadow Road, Reading, Berkshire, RG1 8DQ, United Kingdom
| | - M J Bowes
- Centre for Ecology & Hydrology, Maclean Building, Crowmarsh, Oxfordshire, OX10 8BB, United Kingdom
| | - H P Jarvie
- Centre for Ecology & Hydrology, Maclean Building, Crowmarsh, Oxfordshire, OX10 8BB, United Kingdom
| | - B W J Surridge
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, United Kingdom
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Leshko L, Davidson P, Dukes J. Perceived Risk and Knowledge of Diabetes in College Students. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.06.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Horyniak D, Armenta R, Davidson P, Bojorquez I, Andrade E, Rivera Saldana C. 6.3-O7Health needs and healthcare utilization among U.S. military veterans deported to Tijuana, Mexico: the roles of identity and belonging. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky047.214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- D Horyniak
- Burnet Institute, Australia
- School of Medicine, University of California San Diego, United States
- School of Public Health and Preventive Medicine, Monash University, Australia
| | - R Armenta
- School of Medicine, University of California San Diego, United States
- College of Education, Health and Human Services, California State University, United States
| | - P Davidson
- School of Medicine, University of California San Diego, United States
| | | | - E Andrade
- School of Medicine, University of California San Diego, United States
| | - C Rivera Saldana
- School of Medicine, University of California San Diego, United States
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Davidson P, Carlsson I, Jönsson P, Johansson M. A more generalized fear response after a daytime nap. Neurobiol Learn Mem 2018; 151:18-27. [DOI: 10.1016/j.nlm.2018.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 02/26/2018] [Accepted: 03/05/2018] [Indexed: 12/23/2022]
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Paull G, Newton P, Davidson P. Supporting Self-Care Across the Heart Failure Illness Trajectory: Exploring the Clinical Practice of Specialist Heart Failure Nurses Across Metropolitan and Regional New South Wales. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Paull G, Newton P, Davidson P. Self-Care Support Needs of Patients and their Carers Across the Heart Failure Illness Trajectory: A Mixed-Methods Longitudinal Study. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Hickman L, Phillips J, Davidson P, Macdonald P, Newton P. Screening for Mild Cognitive Impairment in Patients with Heart Failure Identifies Increase Healthcare Utilisation and Activities of Daily Living: A Cross-Sectional Study. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Prichard R, Goodall S, Davidson P, Macdonald P, Mcdonagh J, Newton P, Hayward C. Estimating Quality of Life Among Advanced Heart Failure Patients: What Could Formal Screening Add to Clinical Assessments. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ferguson C, Shaikh F, Pasch L, Newton P, Inglis S, Bajorek B, Macdonald P, Davidson P. Medication Regimen Complexity in Individuals With Heart Failure and Concomitant Atrial Fibrillation: A Secondary Analysis. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Prichard R, Goodall S, Davidson P, MacDonald P, McDonagh J, Hayward C. Frailty and Quality of Life in Advanced Heart Failure and Transplant Medicine: Do We Need to Screen? Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Allida S, Hayward C, Shehab S, Inglis S, Davidson P, Newton P. Patients’ Opinion on the Usefulness of Chewing Gum as a Strategy to Relieve Thirst (RELIEVE-CHF Trial). Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Hickman L, Parker D, Ferguson C, Allida S, Davidson P, Agar M. A Systematic Review of Successful Elements of Interventions for Heart Failure Patients With Mild Cognitive Impairment. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Green E, Howe T, Preston J, Dawson L, Davidson P. Evaluation of outcome measures for use in clinical practice for adults with musculoskeletal shoulder problems: a systematic review. Physiotherapy 2017. [DOI: 10.1016/j.physio.2017.11.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Beaudoin E, Davidson P, Abecassis B, Bizien T, Constantin D. Reversible strain alignment and reshuffling of nanoplatelet stacks confined in a lamellar block copolymer matrix. Nanoscale 2017; 9:17371-17377. [PMID: 29095458 DOI: 10.1039/c7nr05723g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We designed a nanocomposite consisting of CdSe nanoplatelets dispersed in the form of short stacks in the polybutadiene domains of a polystyrene-polybutadiene-polystyrene (SBS) thermoplastic elastomer matrix. Under strain, the material displays reversible, macroscopic anisotropic properties, e.g. the fluorescence signal. We present here a structural study of the composite under stretching, by in situ high-resolution X-ray scattering using synchrotron radiation. Modelling the scattering signal allows us to monitor the evolution of both the matrix and the platelets under strain. In particular, we show that the strain "reshuffles" the platelet stacks, which tilt their long axis from parallel to the plane of the microstructure lamellae at rest to perpendicular to this plane at high strain, at the same time breaking into smaller pieces, more easily accommodated in the soft butadiene domains. This reshuffling is fully reversed after strain relaxation. Moreover, it can be prevented by adding free oleic acid, which reinforces the interactions between the platelets in the stacks.
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Affiliation(s)
- E Beaudoin
- Laboratoire de Physique des Solides, UMR 8502 CNRS, Université Paris-Sud, Université Paris-Saclay. Bat 510, 91405 Orsay Cedex, France.
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Davidson P, Sherborne A, Nakamura A, Nakamura J. A Pooled Mutational Analysis Identifies Ionizing Radiation-Associated Mutational Signatures Conserved Between Mouse and Human Malignancies. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lassagne A, Beaudoin E, Ferrand A, Phan T, Davidson P, Iojoiu C, Bouchet R. New approach to design solid block copolymer electrolytes for 40 °C lithium metal battery operation. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.03.221] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Rob D, Špunda R, Lindner J, Šmalcová J, Šmíd O, Kovárník T, Linhart A, Bìlohlávek J, Marinoni MM, Cianchi G, Trapani S, Migliaccio ML, Gucci L, Bonizzoli M, Cramaro A, Cozzolino M, Valente S, Peris A, Grins E, Kort E, Weiland M, Shresta NM, Davidson P, Algotsson L, Fitch S, Marco G, Sturgill J, Lee S, Dickinson M, Boeve T, Khaghani A, Wilton P, Jovinge S, Ahmad AN, Loveridge R, Vlachos S, Patel S, Gelandt E, Morgan L, Butt S, Whitehorne M, Kakar V, Park C, Hayes M, Willars C, Hurst T, Best T, Vercueil A, Auzinger G, Adibelli B, Akovali N, Torgay A, Zeyneloglu P, Pirat A, Kayhan Z, Schmidbauer SS, Herlitz J, Karlsson T, Friberg H, Knafelj R, Radsel P, Duprez F, Bonus T, Cuvelier G, Mashayekhi S, Maka M, Ollieuz S, Reychler G, Mosaddegh R, Abbasi S, Talaee S, Zotzmann VZ, Staudacher DS, Wengenmayer TW, Dürschmied DD, Bode CB, Nelskylä A, Nurmi J, Jousi M, Schramko A, Mervaala E, Ristagno G, Skrifvars M, Ozsoy G, Kendirli T, Azapagasi E, Perk O, Gadirova U, Ozcinar E, Cakici M, Baran C, Durdu S, Uysalel A, Dogan M, Ramoglu M, Ucar T, Tutar E, Atalay S, Akar R, Kamps M, Leeuwerink G, Hofmeijer J, Hoiting O, Van der Hoeven J, Hoedemaekers C, Konkayev A, Kuklin V, Kondratyev T, Konkayeva M, Akhatov N, Sovershaev M, Tveita T, Dahl V, Wihersaari L, Skrifvars MB, Bendel S, Kaukonen KM, Vaahersalo J, Romppanen J, Pettilä V, Reinikainen M, Lybeck A, Cronberg T, Nielsen N, Friberg H, Rauber M, Steblovnik K, Jazbec A, Noc M, Kalasbail P, Garrett F, Kulstad E, Bergström DJ, Olsson HR, Schmidbauer S, Friberg H, Mandel I, Mikheev S, Podoxenov Y, Suhodolo I, Podoxenov A, Svirko J, Sementsov A, Maslov L, Shipulin V, Vammen LV, Rahbek SR, Secher NS, Povlsen JP, Jessen NJ, Løfgren BL, Granfeldt AG, Grossestreuer A, Perman S, Patel P, Ganley S, Portmann J, Cocchi M, Donnino M, Nassar Y, Fathy S, Gaber A, Mokhtar S, Chia YC, Lewis-Cuthbertson R, Mustafa K, Sabra A, Evans A, Bennett P, Eertmans W, Genbrugge C, Boer W, Dens J, De Deyne C, Jans F, Skorko A, Thomas M, Casadio M, Coppo A, Vargiolu A, Villa J, Rota M, Avalli L, Citerio G, Moon JB, Cho JH, Park CW, Ohk TG, Shin MC, Won MH, Papamichalis P, Zisopoulou V, Dardiotis E, Karagiannis S, Papadopoulos D, Zafeiridis T, Babalis D, Skoura A, Staikos I, Komnos A, Passos SS, Maeda F, Souza LS, Filho AA, Granjeia TAG, Schweller M, Franci D, De Carvalho Filho M, Santos TM, De Azevedo P, Wall R, Welters I, Tansuwannarat P, Sanguanwit P, Langer T, Carbonara M, Caccioppola A, Fusarini CF, Carlesso E, Paradiso E, Battistini M, Cattaneo E, Zadek F, Maiavacca R, Stocchetti N, Pesenti A, Ramos A, Acharta F, Toledo J, Perezlindo M, Lovesio L, Dogliotti A, Lovesio C, Schroten N, Van der Veen B, De Vries MC, Veenstra J, Abulhasan YB, Rachel S, Châtillon-Angle M, Alabdulraheem N, Schiller I, Dendukuri N, Angle M, Frenette C, Lahiri S, Schlick K, Mayer SA, Lyden P, Akatsuka M, Arakawa J, Yamakage M, Rubio J, Mateo-Sidron JAR, Sierra R, Celaya M, Benitez L, Alvarez-Ossorio S, Rubio J, Mateo-Sidron JAR, Sierra R, Fernandez A, Gonzalez O, Engquist H, Rostami E, Enblad P, Toledo J, Ramos A, Acharta F, Canullo L, Nallino J, Dogliotti A, Lovesio C, Perreault M, Talic J, Frenette AJ, Burry L, Bernard F, Williamson DR, Adukauskiene D, Cyziute J, Adukauskaite A, Malciene L, Luca L, Rogobete A, Bedreag O, Papurica M, Sarandan M, Cradigati C, Popovici S, Vernic C, Sandesc D, Avakov V, Shakhova I, Trimmel H, Majdan M, Herzer GH, Sokoloff CS, Albert M, Williamson D, Odier C, Giguère J, Charbonney E, Bernard F, Husti Z, Kaptás T, Fülep Z, Gaál Z, Tusa M, Donnelly J, Aries M, Czosnyka M, Robba C, Liu M, Ercole A, Menon D, Hutchinson P, Smielewski P, López R, Graf J, Montes JM, Kenawi M, Kandil A, Husein K, Samir A, Heijneman J, Huijben J, Abid-Ali F, Stolk M, Van Bommel J, Lingsma H, Van der Jagt M, Cihlar RC, Mancino G, Bertini P, Forfori F, Guarracino F, Pavelescu D, Grintescu I, Mirea L, Alamri S, Tharwat M, Kono N, Okamoto H, Uchino H, Ikegami T, Fukuoka T, Simoes M, Trigo E, Coutinho P, Pimentel J, Franci A, Basagni D, Boddi M, Cozzolino M, Anichini V, Cecchi A, Peris A, Markopoulou D, Venetsanou K, Papanikolaou I, Barkouri T, Chroni D, Alamanos I, Cingolani E, Bocci MG, Pisapia L, Tersali A, Cutuli SL, Fiore V, Palma A, Nardi G, Antonelli M, Coke R, Kwong A, Dwivedi DJ, Xu M, McDonald E, Marshall JC, Fox-Robichaud AE, Charbonney E, Liaw PC, Kuchynska I, Malysh IR, Zgrzheblovska LV, Mestdagh L, Verhoeven EF, Hubloue I, Ruel-laliberte J, Zarychanski R, Lauzier F, Bonaventure PL, Green R, Griesdale D, Fowler R, Kramer A, Zygun D, Walsh T, Stanworth S, Léger C, Turgeon AF, Baron DM, Baron-Stefaniak J, Leitner GC, Ullrich R, Tarabrin O, Mazurenko A, Potapchuk Y, Sazhyn D, Tarabrin P, Tarabrin O, Mazurenko A, Potapchuk Y, Sazhyn D, Tarabrin P, Pérez AG, Silva J, Artemenko V, Bugaev A, Tokar I, Konashevskaya S, Kolesnikova IM, Roitman EV, Kiss TR, Máthé Z, Piros L, Dinya E, Tihanyi E, Smudla A, Fazakas J, Ubbink R, Boekhorst te P, Mik E, Caneva L, Ticozzelli G, Pirrelli S, Passador D, Riccardi F, Ferrari F, Roldi EM, Di Matteo M, Bianchi I, Iotti GA, Zurauskaite G, Voegeli A, Meier M, Koch D, Haubitz S, Kutz A, Bargetzi M, Mueller B, Schuetz P, Von Meijenfeldt G, Van der Laan M, Zeebregts C, Christopher KB, Vernikos P, Melissopoulou T, Kanellopoulou G, Panoutsopoulou M, Xanthis D, Kolovou K, Kypraiou T, Floros J, Broady H, Pritchett C, Marshman M, Jannaway N, Ralph C, Lehane CL, Keyl CK, Zimmer EZ, Trenk DT, Ducloy-Bouthors AS, Jonard MJ, Fourrier F, Piza F, Correa T, Marra A, Guerra J, Rodrigues R, Vilarinho A, Aranda V, Shiramizo S, Lima MR, Kallas E, Cavalcanti AB, Donoso M, Vargas P, Graf J, McCartney J, Ramsay S, McDowall K, Novitzky-Basso I, Wright C, Medic MG, Bielen L, Radonic V, Zlopasa O, Vrdoljak NG, Gasparovic V, Radonic R, Narváez G, Cabestrero D, Rey L, Aroca M, Gallego S, Higuera J, De Pablo R, González LR, Chávez GN, Lucas JH, Alonso DC, Ruiz MA, Valarezo LJ, De Pablo Sánchez R, Real AQ, Wigmore TW, Bendavid I, Cohen J, Avisar I, Serov I, Kagan I, Singer P, Hanison J, Mirza U, Conway D, Takasu A, Tanaka H, Otani N, Ohde S, Ishimatsu S, Coffey F, Dissmann P, Mirza K, Lomax M, Dissmann P, Coffey F, Mirza K, Lomax M, Miner JR, Leto R, Markota AM, Gradišek PG, Aleksejev VA, Sinkovič AS, Romagnoli S, Chelazzi C, Zagli G, Benvenuti F, Mancinelli P, Boninsegni P, Paparella L, Bos AT, Thomas O, Goslar T, Knafelj R, Perreault M, Martone A, Sandu PR, Rosu VA, Capilnean A, Murgoi P, Frenette AJ, Lecavalier A, Jayaraman D, Rico P, Bellemare P, Gelinas C, Williamson D, Nishida T, Kinoshita T, Iwata N, Yamakawa K, Fujimi S, Maggi L, Sposato F, Citterio G, Bonarrigo C, Rocco M, Zani V, De Blasi RA, Alcorn D, Barry L, Riedijk MA, Milstein DM, Caldas J, Panerai R, Camara L, Ferreira G, Bor-Seng-Shu E, Lima M, Galas F, Mian N, Nogueira R, de Oliveira GQ, Almeida J, Jardim J, Robinson TG, Gaioto F, Hajjar LA, Zabolotskikh I, Musaeva T, Saasouh W, Freeman J, Turan A, Saseedharan S, Pathrose E, Poojary S, Messika J, Martin Y, Maquigneau N, Henry-Lagarrigue M, Puechberty C, Stoclin A, Martin-Lefevre L, Blot F, Dreyfuss D, Dechanet A, Hajage D, Ricard J, Almeida E, Almeida J, Landoni G, Galas F, Fukushima J, Fominskiy E, De Brito C, Cavichio L, Almeida L, Ribeiro U, Osawa E, Boltes R, Battistella L, Hajjar L, Fontela P, Lisboa T, Junior LF, Friedman GF, Abruzzi F, Primo JAP, Filho PM, de Andrade JS, Brenner KM, boeira MS, Leães C, Rodrigues C, Vessozi A, Machado AS, Weiler M, Bryce H, Hudson A, Law T, Reece-Anthony R, Molokhia A, Abtahinezhadmoghaddam F, Cumber E, Channon L, Wong A, Groome R, Gearon D, Varley J, Wilson A, Reading J, Wong A, Zampieri FG, Bozza FA, Ferez M, Fernandes H, Japiassú A, Verdeal J, Carvalho AC, Knibel M, Salluh JI, Soares M, Gao J, Ahmadnia E, Patel B, McCartney J, MacKay A, Binning S, Wright C, Pugh RJ, Battle C, Hancock C, Harrison W, Szakmany T, Mulders F, Vandenbrande J, Dubois J, Stessel B, Siborgs K, Ramaekers D, Soares M, Silva UV, Homena WS, Fernandes GC, Moraes AP, Brauer L, Lima MF, De Marco F, Bozza FA, Salluh JI, Maric N, Mackovic M, Udiljak N, Bosso CE, Caetano RD, Cardoso AP, Souza OA, Pena R, Mescolotte MM, Souza IA, Mescolotte GM, Bangalore H, Borrows E, Barnes D, Ferreira V, Azevedo L, Alencar G, Andrade A, Bierrenbach A, Buoninsegni LT, Bonizzoli M, Cecci L, Cozzolino M, Peris A, Lindskog J, Rowland K, Sturgess P, Ankuli A, Molokhia A, Rosa R, Tonietto T, Ascoli A, Madeira L, Rutzen W, Falavigna M, Robinson C, Salluh J, Cavalcanti A, Azevedo L, Cremonese R, Da Silva D, Dornelles A, Skrobik Y, Teles J, Ribeiro T, Eugênio C, Teixeira C, Zarei M, Hashemizadeh H, Eriksson M, Strandberg G, Lipcsey M, Larsson A, Lignos M, Crissanthopoulou E, Flevari K, Dimopoulos P, Armaganidis A, Golub JG, Markota AM, Stožer AS, Sinkovič AS, Rüddel H, Ehrlich C, Burghold CM, Hohenstein C, Winning J, Sellami W, Hajjej Z, Bousselmi M, Gharsallah H, Labbene I, Ferjani M, Sattler J, Steinbrunner D, Poppert H, Schneider G, Blobner M, Kanz KG, Schaller SJ, Apap K, Xuereb G, Xuereb G, Apap K, Massa L, Xuereb G, Apap K, Massa L, Delvau N, Penaloza A, Liistro G, Thys F, Delattre IK, Hantson P, Roy PM, Gianello P, Hadîrcă L, Ghidirimschi A, Catanoi N, Scurtov N, Bagrinovschi M, Sohn YS, Cho YC, Golovin B, Creciun O, Ghidirimschi A, Bagrinovschi M, Tabbara R, Whitgift JZ, Ishimaru A, Yaguchi A, Akiduki N, Namiki M, Takeda M, Tamminen JN, Reinikainen M, Uusaro A, Taylor CG, Mills ED, Mackay AD, Ponzoni C, Rabello R, Serpa A, Assunção M, Pardini A, Shettino G, Corrêa T, Vidal-Cortés PV, Álvarez-Rocha L, Fernández-Ugidos P, Virgós-Pedreira A, Pérez-Veloso MA, Suárez-Paul IM, Del Río-Carbajo L, Fernández SP, Castro-Iglesias A, Butt A, Alghabban AA, Khurshid SK, Ali ZA, Nizami IN, Salahuddin NS, Alshahrani M, Alsubaie AW, Alshamsy AS, Alkhiliwi BA, Alshammari HK, Alshammari MB, Telmesani NK, Alshammari RB, Asonto LP, Zampieri FG, Damiani LP, Bozza F, Salluh JI, Cavalcanti AB, El Khattate A, Bizrane M, Madani N, Belayachi J, Abouqal R, Ramnarain D, Gouw-Donders B, Benstoem C, Moza A, Meybohm P, Stoppe C, Autschbach R, Devane D, Goetzenich A, Taniguchi LU, Araujo L, Salgado G, Vieira JM, Viana J, Ziviani N, Pessach I, Lipsky A, Nimrod A, O´Connor M, Matot I, Segal E, Kluzik A, Gradys A, Smuszkiewicz P, Trojanowska I, Cybulski M, De Jong A, Sebbane M, Chanques G, Jaber S, Rosa R, Robinson C, Bessel M, Cavalheiro L, Madeira L, Rutzen W, Oliveira R, Maccari J, Falavigna M, Sanchez E, Dutra F, Dietrich C, Balzano P, Rezende J, Teixeira C, Sinha S, Majhi K, Gorlicki JG, Pousset FP, Kelly J, Aron J, Gilbert AC, Urankar NP, Knafelj R, Irazabal M, Bosque M, Manciño J, Kotsopoulos A, Jansen N, Abdo W, Casey ÚM, O’Brien B, Plant R, Doyle B. 37th International Symposium on Intensive Care and Emergency Medicine (part 2 of 3). Crit Care 2017. [PMCID: PMC5374552 DOI: 10.1186/s13054-017-1630-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Prichard R, Hayward C, Davidson P, Goodall S, Newton P. Impact of Left Ventricular Assist Device Implantation on Hospitalisation, and Readmissions Using a Linked Administrative Dataset. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sibbritt D, Davidson P, Peng WB, Adams J, Hickman L. Hypertension: What are the self-care and health-care-seeking behaviours in women over time? J Hum Hypertens 2016; 30:783-787. [PMID: 27121442 DOI: 10.1038/jhh.2016.20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 02/18/2016] [Accepted: 03/18/2016] [Indexed: 11/09/2022]
Abstract
The aim of this study was to estimate the prevalence and incidence of hypertension in women, and describe their self-care and health-seeking behaviours. This research was conducted as part of the Australian Longitudinal Study on Women's Health, a study comprising a nationally representative sample of Australian women in three age groups. The focus of this research is 14 099 women born in 1946-1951, who have been surveyed six times (1996-2010). Student t-tests were used to compare women who did or did not have hypertension by their health-care utilization. Longitudinal analyses were conducted using a Poisson generalized estimating equation model. The incidence of hypertension among this cohort during 1996 to 2010 ranged from 400 to 597 participants per survey, resulting in an increase in prevalence of hypertension from 20.9% in 1996 to 41.3% in 2010. For all survey periods, women with hypertension had a significantly higher average number of visits to doctors and allied health practitioners compared with women without hypertension (P<0.005). The use of complementary medicine (practitioners and self-prescribed treatments) by women with hypertension was significantly lower compared to women without hypertension (P<0.005). Over time, conventional health-care utilization was higher for women with hypertension compared with women without hypertension (adjusted RR=1.18; 95% CI: 1.14, 1.22; P<0.0001). Our findings show that women with hypertension are using a range of conventional and complementary and alternative medicine: with hypertensive women using more conventional medicine and less complementary and alternative medicine than non-hypertensive women. As such, health-care providers should communicate with their patients regarding their use of complementary and alternative medicine in their efforts to provide safe, effective and coordinate care.
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Affiliation(s)
- D Sibbritt
- Faculty of Health, University of Technology Sydney, Sydney, Australia
| | - P Davidson
- Department Acute and Chronic Care, Johns Hopkins University, Baltimore, MD, USA
| | - W B Peng
- Faculty of Health, University of Technology Sydney, Sydney, Australia
| | - J Adams
- Faculty of Health, University of Technology Sydney, Sydney, Australia
| | - L Hickman
- Faculty of Health, University of Technology Sydney, Sydney, Australia
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Kredentser S, Eremin A, Davidson P, Reshetnyak V, Stannarius R, Reznikov Y. Light-induced Soret effect and adsorption of nanocrystals in organic solvents. Eur Phys J E Soft Matter 2016; 39:38. [PMID: 27021655 DOI: 10.1140/epje/i2016-16038-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 01/21/2016] [Indexed: 06/05/2023]
Abstract
A light-induced Soret effect accompanied by photoinduced adsorption of pigment nanoparticles is described in organic solvents. We report an unexpected inversion of the nanoparticle flux which is directed along the temperarture gradient at short exposures to the light and switches against the gradient at longer exposures. This change of flux direction is due to light-induced adsorption of the nanocrystals onto the substrates of the cell.
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Affiliation(s)
- S Kredentser
- Institute of Physics of National Academy of Sciences of Ukraine, Pr. Nauky 46, 03028, Kyiv, Ukraine.
| | - A Eremin
- Otto-von-Guericke-Universität Magdeburg, 4120, Magdeburg, Germany
| | - P Davidson
- Laboratoire de Physique des Solides, UMR CNRS 8502, Université Paris-Sud, 91405, Orsay, France
| | - V Reshetnyak
- Taras Shevchenko National University of Kyiv, 01601, Kyiv, Ukraine
| | - R Stannarius
- Otto-von-Guericke-Universität Magdeburg, 4120, Magdeburg, Germany
| | - Yu Reznikov
- Institute of Physics of National Academy of Sciences of Ukraine, Pr. Nauky 46, 03028, Kyiv, Ukraine
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Nakamura J, Sherborne A, Davidson P, Yu K, Nakamura A. Mutational Analysis of Ionizing Radiation Induced Neoplasms. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Gaillard T, Poulard C, Voisin T, Honorez C, Davidson P, Drenckhan W, Roché M. Stable Freestanding Thin Films of Copolymer Melts Far from the Glass Transition. ACS Macro Lett 2015; 4:1144-1148. [PMID: 26527410 PMCID: PMC4614272 DOI: 10.1021/acsmacrolett.5b00535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 09/15/2015] [Indexed: 11/30/2022]
Abstract
![]()
Thin
polymer films have attracted attention because of both their
broad range of applications and of the fundamental questions they
raise regarding the dynamic response of confined polymers. These films
are unstable if the temperature is above their glass transition temperature Tg. Here, we describe freestanding thin films
of centimetric dimensions made of a comb copolymer melt far from its
glass transition that are stable for more than a day. These long lifetimes
allowed us to characterize the drainage dynamics and the thickness
profile of the films. Stratified regions appear as the film drains.
We have evidence that the stability, thinning dynamics, and thickness
profile of the films result from structural forces in the melt. Understanding
the key mechanisms behind our observations may lead to new developments
in polymeric thin films, foams, and emulsions without the use of stabilizing
agents.
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Affiliation(s)
- T. Gaillard
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - C. Poulard
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - T. Voisin
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - C. Honorez
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - P. Davidson
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - W. Drenckhan
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
| | - M. Roché
- Laboratoire
de Physique des Solides, CNRS UMR 8502 and Université Paris Sud, Bâtiment 510, 91405 Orsay Cedex, France
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Davidson P, Carlsson I, Jönsson P, Johansson M. Sleep and the generalization of fear learning. J Sleep Res 2015; 25:88-95. [DOI: 10.1111/jsr.12339] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 08/05/2015] [Indexed: 12/19/2022]
Affiliation(s)
- Per Davidson
- Department of Psychology; Lund University; Lund Sweden
| | | | - Peter Jönsson
- School of Education and Environment; Centre for Psychology; Kristianstad University; Kristianstad Sweden
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Allida S, Inglis S, Davidson P, Newton P, Hayward C. Current strategies employed by nurses used to manage the symptom of thirst in chronic heart failure. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Beaudoin E, Abecassis B, Constantin D, Degrouard J, Davidson P. Strain-controlled fluorescence polarization in a CdSe nanoplatelet–block copolymer composite. Chem Commun (Camb) 2015; 51:4051-4. [DOI: 10.1039/c4cc07617f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Composite materials obtained by doping a SBS thermoplastic elastomer matrix with CdSe nanoplatelets show reversible platelets alignment upon stretching.
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Affiliation(s)
- E. Beaudoin
- Laboratoire de Physique des Solides
- Université Paris-Sud
- 91405 Orsay
- France
| | - B. Abecassis
- Laboratoire de Physique des Solides
- Université Paris-Sud
- 91405 Orsay
- France
| | - D. Constantin
- Laboratoire de Physique des Solides
- Université Paris-Sud
- 91405 Orsay
- France
| | - J. Degrouard
- Laboratoire de Physique des Solides
- Université Paris-Sud
- 91405 Orsay
- France
| | - P. Davidson
- Laboratoire de Physique des Solides
- Université Paris-Sud
- 91405 Orsay
- France
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Newton P, Davidson P, Reid C, Macdonald P. A snapshot of acute decompensated heart failure across New South Wales. Baseline results from the NSW HF Snapshot. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Davidson P, Carlsson I, Jönsson P, Johansson M. The effect of pattern separation on fear conditioning. Int J Psychophysiol 2014. [DOI: 10.1016/j.ijpsycho.2014.08.920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Isom K, Andromalos L, Davidson P, Robinson M. Measuring the Impact of a Revised Bariatric Pre-operative Weight Loss Curriculum. J Acad Nutr Diet 2014. [DOI: 10.1016/j.jand.2014.06.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Bouchet R, Phan TNT, Beaudoin E, Devaux D, Davidson P, Bertin D, Denoyel R. Charge Transport in Nanostructured PS–PEO–PS Triblock Copolymer Electrolytes. Macromolecules 2014. [DOI: 10.1021/ma500420w] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- R. Bouchet
- Laboratoire
d’Electrochimie et de Physico-chimie des Matériaux et
des Interfaces (LEPMI) UMR CNRS 5279, Grenoble Universités, 1130
rue de la piscine, 38402 St. Martin d’Hères, France
| | - T. N. T. Phan
- Institut
de Chimie Radicalaire - UMR 7273, Chimie Radicalaire Organique et
Polymères de Spécialité, Aix-Marseille Université, Campus Saint Jérôme, Case 542, 13397 Marseille, Cedex 20, France
| | - E. Beaudoin
- Institut
de Chimie Radicalaire - UMR 7273, Chimie Radicalaire Organique et
Polymères de Spécialité, Aix-Marseille Université, Campus Saint Jérôme, Case 542, 13397 Marseille, Cedex 20, France
- Laboratoire
de Physique des Solides, UMR 8502 CNRS, Université Paris-Sud, Bâtiment 510, 91405 Orsay, Cedex, France
| | - D. Devaux
- Institut
de Chimie Radicalaire - UMR 7273, Chimie Radicalaire Organique et
Polymères de Spécialité, Aix-Marseille Université, Campus Saint Jérôme, Case 542, 13397 Marseille, Cedex 20, France
- MADIREL
- UMR 7246, Matériaux divisés, interfaces, réactivité,
électrochimie, Aix-Marseille Université, Campus saint Jérôme,
Bât. MADIREL, 13397 Marseille, Cedex 20, France
| | - P. Davidson
- Laboratoire
de Physique des Solides, UMR 8502 CNRS, Université Paris-Sud, Bâtiment 510, 91405 Orsay, Cedex, France
| | - D. Bertin
- Institut
de Chimie Radicalaire - UMR 7273, Chimie Radicalaire Organique et
Polymères de Spécialité, Aix-Marseille Université, Campus Saint Jérôme, Case 542, 13397 Marseille, Cedex 20, France
| | - R. Denoyel
- MADIREL
- UMR 7246, Matériaux divisés, interfaces, réactivité,
électrochimie, Aix-Marseille Université, Campus saint Jérôme,
Bât. MADIREL, 13397 Marseille, Cedex 20, France
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Beaudoin E, Phan TNT, Robinet M, Denoyel R, Davidson P, Bertin D, Bouchet R. Effect of interfaces on the melting of PEO confined in triblock PS-b-PEO-b-PS copolymers. Langmuir 2013; 29:10874-10880. [PMID: 23865710 DOI: 10.1021/la401889h] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Block copolymers form nanostructures that have interesting physical properties because they combine, for a single compound, the complementary features brought by each block. However, in order to fully exploit these properties, the physical state of each kind of domain must be precisely controlled. In this work, triblock PS-b-PEO-b-PS copolymers consisting of a central poly(ethylene oxide) (PEO) block covalently bonded to polystyrene (PS) blocks were synthesized by Atom Transfer Radical Polymerization. Their morphology was investigated by X-ray scattering and TEM experiments whereas their thermodynamic behavior was characterized by DSC. A strong decrease of both the melting temperature and the degree of crystallinity of PEO, due to its confinement between the PS domains, was observed and analyzed with a modified Gibbs-Thomson equation, following the approaches used for fluids confined in porous media. The existence of an amorphous bound layer, a few nanometers thick, at the PEO/PS interface, that does not undergo any phase transition in the temperature range investigated, accounts for both the melting temperature depression and the decrease of crystallinity upon confinement. This interfacial layer may significantly affect the mechanical and transport properties of these block copolymers that find applications as solid polymer electrolytes in batteries for example. Moreover, the value obtained for the solid PEO/liquid PEO surface tension is lower than those previously published but is thermodynamically consistent with the surface tensions of polymers at the solid/vapor and liquid/vapor interfaces.
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Affiliation(s)
- E Beaudoin
- Aix-Marseille Université, Institut de Chimie Radicalaire-UMR 7273, Campus Saint Jérôme, Case 542, 13397 Marseille Cedex 20, France
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M, Binder D, Muir J, Carlin G, Loya F, Rabinovitz B, Bruhns M, Adler M, Schleicher-Dilks S, Messerly J, Babika C, Ukpabi C, Golden C, Schleicher-Dilks S, Coad S, Messerly J, Schaffer S, Babika C, Golden C, Cowad S, Paisley S, Fontanetta R, Messerly J, Golden C, Holder C, Kloezeman K, Henry B, Burns W, Patt V, Minassian A, Perry W, Cooper L, Allen D, Vogel S, Woolery H, Ciobanu C, Simone A, Bedard A, Olivier T, O'Neill S, Rajendran K, Halperin J, Rudd-Barnard A, Steenari M, Murry J, Le M, Becker T, Mucci G, Zupanc M, Shapiro E, Santos O, Cadavid N, Giese E, Londono N, Osmon D, Zamzow J, Culnan E, D'Argenio D, Mosti C, Spiers M, Schleicher-Dilks S, Kloss J, Curiel A, Miller K, Olmstead R, Gottuso A, Saucier C, Miller J, Dye R, Small G, Kent A, Andrews P, Puente N, Terry D, Faraco C, Brown C, Patel A, Siegel J, Miller L, Lee B, Joan M, Thaler N, Fontanetta R, Carla F, Allen D, Nguyen T, Glass L, Coles C, Julie K, May P, Sowell E, Jones K, Riley E, Demsky Y, Mattson S, Allart A, Freer B, Tiersky L, Sunderaraman P, Sylvester P, Ang J, Schultheis M, Newton S, Holland A, Burns K, Bunting J, Taylor J, Muetze H, Coe M, Harrison D, Putnam M, Tiersky L, Freer B, Holland A, Newton S, Sakamoto M, Bunting J, Taylor J, Coe M, Harrison D, Musso M, Hill B, Barker A, Pella R, Gouvier W, Davis J, Woods S, Wall J, Etherton J, Brand T, Hummer B, O'Shea C, Segovia J, Thomlinson S, Schulze E, Roskos P, Gfeller J, Loftis J, Fogel T, Barrera K, Sherzai A, Chappell A, Harrison A, Armstrong I, Flaro L, Pedersen H, Shultz LS, Roper B, Huckans M, Basso M, Silk-Eglit G, Stenclik J, Miele A, Lynch J, McCaffrey R, Silk-Eglit G, Stenclik J, Miele A, Lynch J, Musso M, McCaffrey R, Martin P, VonDran E, Baade L, Heinrichs R, Schroeder R, Hunter B, Calloway J, Rolin S, Akeson S, Westervelt H, Mohammed S, An K, Jeffay E, Zakzanis K, Lynch A, Drasnin D, Ikanga J, Graham O, Reid M, Cooper D, Long J, Lange R, Kennedy J, Hopewell C, Lukaszewska B, Pachalska M, Bidzan M, Lipowska M, McCutcheon L, Kaup A, 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Huberman S, Greenberg B, Lacritz L, Brown D, Hughes S, Greenberg B, Lacritz L, Vargas V, Upshaw N, Whigham K, Peery S, Casto B, Barker L, Otero T, La D, Nunan-Saah J, Phoong M, Gill S, Melville T, Harley A, Gomez R, Adler M, Tsou J, Schleicher-Dilks S, Golden C, Tsou J, Schleicher-Dilks S, Adler M, Golden C, Cowad S, Link J, Barker T, Gulliver K, Golden C, Young K, Moses J, Lum J, Vik P, Legarreta M, Van Ness E, Williams C, Dasher N, Williams C, Vik P, Dasher N, Van Ness E, Bowman B, Nakhutina L, Margolis S, Baek R, Gonzalez J, Hill F, England H, Horne-Moyer L, Stringer A, DeFilippis N, Lyon A, Giovannetti T, Fanning M, Heverly-Fitt S, Stambrook E, Price C, Selnes O, Floyd T, Vogt E, Thiruselvam I, Quasney E, Hoelzle J, Grant N, Moses J, Matevosyan A, Delano-Wood L, Alhassoon O, Hanson K, Lanni E, Luc N, Kim R, Schiehser D, Benners M, Downing K, Rowden A, Miller D, Maricle D, Kaminetskaya M, Moses J, Tai C, Kaminetskaya M, Melville T, Poole J, Scott R, Hays F, Walsh B, Mihailescu C, Douangratdy M, Scott B, Draffkorn C, Andrews P, Schmitt A, Waksmunski C, Brady K, Andrews A, Golden C, Olivier T, Espinoza K, Sterk V, Spengler K, Golden C, Olivier T, Spengler K, Sterk V, Espinoza K, Golden C, Gross J, DeFilippis N, Neiman-Kimel J, Romers C, Isaacs C, Soper H, Sordahl J, Tai C, Moses J, D'Orio V, Glukhovsky L, Beier M, Shuman M, Spat J, Foley F, Guatney L, Bott N, Moses J, Miranda C, Renteria MA, Rosario A, Sheynin J, Fuentes A, Byrd D, Mindt MR, Batchelor E, Meyers J, Patt V, Thomas M, Minassian A, Geyer M, Brown G, Perry W, Smith C, Kiefel J, Rooney A, Gouaux B, Ellis R, Grant I, Moore D, Graefe A, Wyman-Chick K, Daniel M, Beene K, Jaehnert S, Choi A, Moses J, Iudicello J, Henry B, Minassian A, Perry W, Marquine M, Morgan E, Letendre S, Ellis R, Woods S, Grant I, Heaton R, Constantine K, Fine J, Palewjala M, Macher R, Guatney L, Earleywine M, Draffkorn C, Scott B, Andrews P, Schmitt A, Dudley M, Silk-Eglit G, Stenclik J, Miele A, Lynch J, McCaffrey R, Scharaga E, Gomes W, McGinley J, Miles-Mason E, Colvin M, Carrion L, Romers C, Soper H, Zec R, Kohlrus S, Fritz S, Robbs R, Ala T, Zec R, Fritz S, Kohlrus S, Robbs R, Ala T, Edwards M, Hall J, O'Bryant S, Miller J, Dye R, Miller K, Baerresen K, Small G, Moskowitz J, Puente A, Ahmed F, Faraco C, Brown C, Evans S, Chu K, Miller L, Young-Bernier M, Tanguay A, Tremblay F, Davidson P, Duda B, Puente A, Terry D, Kent A, Patel A, Miller L, Junod A, Marion SD, Harrington M, Fonteh A, Gurnani A, John S, Gavett B, Diaz-Santos M, Mauro S, Beaute J, Cronin-Golomb A, Fazeli P, Gouaux B, Rosario D, Heaton R, Moore D, Puente A, Lindbergh C, Chu K, Evans S, Terry D, Duda B, Mackillop J, Miller S, Greco S, Klimik L, Cohen J, Robbins J, Lashley L, Schleicher-Dilks S, Golden C, Kunkes I, Culotta V, Kunkes I, Griffits K, Loughan A, Perna R, Hertza J, Cohen M, Northington S, Tyson K, Musielak K, Fine J, Kaczorowski J, Doty N, Braaten E, Shah S, Nemanim N, Singer E, Hinkin C, Levine A, Gold A, Evankovich K, Lotze T, 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Graca J, Olson S, Melville T, Harley A, La D, Phoong M, Gill S, Jocson VA, Nunan-Saah J, Keller J, Gomez R, Melville T, Kaminetskaya M, Poole J, Vernon A, Van Vleet T, DeGutis J, Chen A, Marini C, Dabit S, Gallegos J, Zomet A, Merzenich M, Thaler N, Linck J, Heyanka D, Pastorek N, Miller B, Romesser J, Sim A, Allen D, Zimmer A, Marcinak J, Hibyan S, Webbe F, Rainwater B, Francis J, Baum L, Sautter S, Donders J, Hui E, Barnes K, Walls G, Erikson S, Bailie J, Schwab K, Ivins B, Boyd C, Neff J, Cole W, Lewis S, Bailie J, Schwab K, Ivins B, Boyd C, Neff J, Cole W, Lewis S, Ramirez C, Oganes M, Gold S, Tanner S, Pina D, Merritt V, Arnett P, Heyanka D, Linck J, Thaler N, Pastorek N, Miller B, Romesser J, Sim A, Parks A, Roskos P, Gfeller J, Clark A, Isham K, Carter J, McLeod J, Romero R, Dahdah M, Barisa M, Schmidt K, Barnes S, Dubiel R, Dunklin C, Harper C, Callender L, Wilson A, Diaz-Arrastia R, Shafi S, Jacquin K, Bolshin L, Jacquin K, Romers C, Gutierrez E, Messerly J, Tsou J, Adler M, Golden C, Harmell A, Mausbach B, Moore R, Depp C, Jeste D, Palmer B, Hoadley R, Hill B, Rohling M, Mahdavi S, Fine J, daCruz K, Dinishak D, Richardson G, Vertinski M, Allen D, Mayfield J, Margolis S, Miele A, Rabinovitz B, Schaffer S, Kline J, Boettcher A, Hill B, Hoadley R, Rohling M, Eichstaedt K, Vale F, Benbadis S, Bozorg A, Rodgers-Neame N, Rinehardt E, Mattingly M, Schoenberg M, Fares R, Fares R, Carrasco R, Grups J, Evans B, Simco E, Mittenberg W, Carrasco R, Grups J, Evans B, Simco E, Mittenberg W, Rach A, Baughman B, Young C, Bene E, Irwin C, Li Y, Poulin R, Jerram M, Susmaras T, Gansler D, Ashendorf L, Miarmi L, Fazio R, Cantor J, Fernandez A, Godoy-Garcete G, Marchetti P, Harrison A, Armstrong I, Harrison L, Iverson G, Brinckman D, Ayaz H, Schultheis M, Heinly M, Vitelli K, Russler K, Sanchez I, Jones W, Loe S, Raines T, Hart J, Bene E, Li Y, Irwin C, Baughman B, Rach A, Bravo J, Schilling B, Weiss L, Lange R, Shewchuk J, Heran M, Rauscher A, Jarrett M, Brubacher J, Iverson G, Zink D, Barney S, Gilbert G, Allen D, Martin P, Schroeder R, Klas P, Jeffay E, Zakzanis K, Iverson G, Lanting S, Saffer B, Koehle M, Palmer B, Barrio C, Vergara R, Muniz M, Pinto L, Jeste D, Stenclik J, Lynch J, McCaffrey R, Shultz LS, Pedersen H, Roper B, Crouse E, Crucian G, Dezhkam N, Mulligan K, Singer R, Psihogios A, Davis A, Stephens B, Love C, Mulligan K, Webbe F, West S, McCue R, Goldin Y, Cicerone K, Ruchinskas R, Seidl JT, Massman P, Tam J, Schmitter-Edgecombe M, Baerresen K, Hanson E, Miller K, Miller J, Yeh D, Kim J, Ercoli L, Siddarth P, Small G, Noback M, Noback M, Baldock D, Mahmoud S, Munic-Miller D, Bonner-Jackson A, Banks S, Rabin L, Emerson J, Smith C, Roberts R, Hass S, Duhig A, Pankratz V, Petersen R, Leibson C, Harley A, Melville T, Phoong M, Gill S, Nunan-Saah J, La D, Gomez R, Lindbergh C, Puente A, Gray J, Chu K, Evans S, Sweet L, MacKillop J, Miller L, McAlister C, Schmitter-Edgecombe M, Baldassarre M, Kamm J, Wolff D, Dombrowski C, Bullard S, Edwards M, Hall J, Parsons T, O'Bryant S, Lawson R, Papadakis A, Higginson C, Barnett J, Wills M, Strang J, Dominska A, Wallace G, Kenworthy L, Bott N, Kletter H, Carrion V, Ward C, Getz G, Peer J, Baum C, Edner B, Mannarino A, Casnar C, Janke K, van der Fluit F, Natalie B, Haberman D, Solomon M, Hunter S, Klein-Tasman B, Starza-Smith A, Talbot E, Hart A, Hall M, Baker J, Kral M, Lally M, Zisk A, Lo T, Ross P, Cuevas M, Patel S, Lebby P, Mouanoutoua A, Harrison J, Pollock M, Mathiowetz C, Romero R, Boys C, Vekaria P, Vasserman M, MacAllister W, Stevens S, Van Hecke A, Carson A, Karst J, Schohl K, Dolan B, McKindles R, Remel R, Reveles A, Fritz N, McDonald G, Wasisco J, Kahne J, Hertza J, Tyson K, Northington S, Loughan A, Perna R, Newman A, Garmoe W, Clark J, Loughan A, Perna R, Hertza J, Cohen M, Northington S, Tyson K, Whithers K, Puente A, Dedmon A, Capps J, Lindsey H, Francis M, Weigand L, Steed A, Puente A, Edmed S, Sullivan K, Puente A, Lindsey H, Dedmon A, Capps J, Whithers K, Weigand L, Steed A, Kark S, Lafleche G, Brown T, Bogdanova Y, Strongin E, Spickler C, Drasnin D, Strongin C, Poreh A, Houshyarnejad A, Ellis M, Babikian T, Kernan C, Asarnow R, Didehbani N, Cullum M, Loneman L, Mansinghani S, Hart J, Fischer J. POSTER SESSIONS SCHEDULE. Arch Clin Neuropsychol 2013. [DOI: 10.1093/arclin/act054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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