Reducing the Impact Bias in Colorectal Cancer Screening Expectations

Past research has shown that when predicting how a future event will make them feel, people over-estimate the intensity and duration of their emotions, a phenomenon known as the impact bias. When it comes to deciding about colorectal cancer screening, older adults face many psychological barriers related to the anticipated embarrassment, disgust, and pain of screening. Qualitative research suggests these barriers may be characterized by an impact bias. In this study, 17 older adult participants were presented with a message about colon cancer and screening. We tested whether highlighting some participants’ adaptive potential would lower their expectations of intensity and duration of these barriers. Findings showed that relative to a control condition, participants who wrote about a time when they emotionally adapted to a past event gave lower maximum pain estimates and marginally lower perceived duration of pain estimates. These results have implications for the design of future adaptation exercises

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published or submitted for publicatio

Seeing motion and apparent motion

In apparent motion experiments, participants are presented with what is in fact a succession of two brief stationary stimuli at two different locations, but they report an impression of movement. Philosophers have recently debated whether apparent motion provides evidence in favour of a particular account of the nature of temporal experience. I argue that the existing discussion in this area is premised on a mistaken view of the phenomenology of apparent motion and, as a result, the space of possible philosophical positions has not yet been fully explored. In particular, I argue that the existence of apparent motion is compatible with an account of the nature of temporal experience that involves a version of direct realism. In doing so, I also argue against two other claims often made about apparent motion, viz. that apparent motion is the psychological phenomenon that underlies motion experience in the cinema, and that apparent motion is subjectively indistinguishable from real motion

My Labor of Love: Lone Arrangement and Appraisal of the LC Commissioned Composers Web Archive

Melissa E. Wertheimer, a Music Reference Specialist in the Library of Congress Music Division, describes her selection, description, and appraisal methodologies for a forthcoming digital collection, the LC Commissioned Composers Web Archive. The presentation includes project challenges as a lone arranger of web archives for the Library of Congress Music Division, project goals, statistics, discussion of a web archiving life cycle model, and methods of appraisal applicable to both web archives and electronic records

Inheriting the Records Management Challenges of Historic Organizations

Presentation given at the Mid-Atlantic Regional Archives Conference (MARAC) 2017 Fall Meeting in Buffalo, NY. The Music Library Association Archives are housed at Special Collections in Performing Arts at the University of Maryland, College Park. This historic collection of manuscripts, oral histories, publications, and e-records documents MLA's official activities from its founding in 1931 to the present. At approximately 300 linear feet and growing, the collection has posed great challenges to MLA officers, the repository curator, and student workers. Examples include multiple reappraisal initiatives, ongoing records transfers, backlog, arrangement assessments, deaccessions, multiple repositories over time, changes in dedicated staff, and finding aid generation dependent upon evolving university practices

Central role of soluble adenylyl cyclase and cAMP in sperm physiology

Cyclic adenosine 3′,5′-monophosphate (cAMP), the first second messenger to be described, plays a central role in cell signaling in a wide variety of cell types. Over the last decades, a wide body of literature addressed the different roles of cAMP in cell physiology, mainly in response to neurotransmitters and hormones. cAMP is synthesized by a wide variety of adenylyl cyclases that can generally be grouped in two types: transmembrane adenylyl cyclase and soluble adenylyl cyclases. In particular, several aspects of sperm physiology are regulated by cAMP produced by a single atypical adenylyl cyclase (Adcy10, aka sAC, SACY). The signature that identifies sAC among other ACs, is their direct stimulation by bicarbonate. The essential nature of cAMP in sperm function has been demonstrated using gain of function as well as loss of function approaches. This review unifies state of the art knowledge of the role of cAMP and those enzymes involved in cAMP signaling pathways required for the acquisition of fertilizing capacity of mammalian sperm. This article is part of a Special Issue entitled: The role of soluble adenylyl cyclase in health and disease.Fil: Buffone, Mariano Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental (i); ArgentinaFil: Wertheimer Hermitte, Eva Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Centro de Estudios Farmacológicos y Botánicos; ArgentinaFil: Visconti, Pablo E.. University Of Massachussets; Estados UnidosFil: Krapf, Dario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Rosario. Instituto de Biología Molecular y Celular de Rosario; Argentina. Universidad Nacional de Rosario; Argentin

Local threshold field for dendritic instability in superconducting MgB2 films

Using magneto-optical imaging the phenomenon of dendritic flux penetration in superconducting films was studied. Flux dendrites were abruptly formed in a 300 nm thick film of MgB2 by applying a perpendicular magnetic field. Detailed measurements of flux density distributions show that there exists a local threshold field controlling the nucleation and termination of the dendritic growth. At 4 K the local threshold field is close to 12 mT in this sample, where the critical current density is 10^7 A/cm^2. The dendritic instability in thin films is believed to be of thermo-magnetic origin, but the existence of a local threshold field, and its small value are features that distinctly contrast the thermo-magnetic instability (flux jumps) in bulk superconductors.Comment: 6 pages, 6 figures, submitted to Phys. Rev.