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1
Stroud, Natalie Jomini. Selective Exposure Theories. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.009.
Full textAbstract:
This chapter provides an overview of the theory of selective exposure, the idea that people purposefully select messages matching their beliefs. After reviewing several psychological explanations for why the phenomenon occurs, the chapter turns to describing various forms of selective exposure. Selective exposure can be studied in terms of whether people select news or entertainment, the issues about which people seek information, which medium is selected in obtaining information, and the extent to which like-minded information is preferred. Numerous moderators of the links between citizens’ beliefs and their information selection are presented. Next, the chapter details four different methodological techniques that have been used to study selective exposure. Finally, the chapter outlines a host of unanswered questions about selective exposure for future researchers to tackle.
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Stroud, Natalie Jomini. Selective Exposure Theories. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.009_update_001.
Full textAbstract:
This chapter provides an overview of the theory of selective exposure, the idea that people purposefully select messages matching their beliefs. After reviewing several psychological explanations for why the phenomenon occurs, the chapter turns to describing various forms of selective exposure. Selective exposure can be studied in terms of whether people select news or entertainment, the issues about which people seek information, which medium is selected in obtaining information, and the extent to which like-minded information is preferred. Numerous moderators of the links between citizens’ beliefs and their information selection are presented. Next, the chapter details four different methodological techniques that have been used to study selective exposure. Finally, the chapter outlines a host of unanswered questions about selective exposure for future researchers to tackle.
3
Suls, Jerry, and Ladd Wheeler. On the Trail of Social Comparison. Edited by Stephen G. Harkins, Kipling D. Williams, and Jerry Burger. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199859870.013.13.
Full textAbstract:
Social comparison, a major source of social influence, refers to the selection and utilization of information about other people’s standings and opinions to make accurate self-assessments or to protect or enhance self-esteem. We survey the development of comparison theory over six decades, its ambiguities, and reformulations based on the psychology of attribution and social cognition. Selective comparisons allow people to gauge how well they have fulfilled their potential and capacity to accomplish important tasks, and whether their beliefs, values, and actions are appropriate and worthwhile. Exposure to superior and inferior targets shifts self-evaluations toward (assimilation) or away (contrast) from the targets, depending on the kinds of information made cognitively accessible by the situation or by individual differences. To illustrate comparison’s effects on social influence, applications, such as the effects of academic tracking on self-esteem and effects of large social networks on mental and physical health outcomes, are described.
4
Costello, Sadie, Jennifer M. Cavallari, David H. Wegman, Marie S. O’Neill, and Ellen A. Eisen. Epidemiology. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190662677.003.0005.
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This chapter describes the basic principles of epidemiology, emphasizing the aspects most relevant to studies of health effects from occupational and environmental exposures. Numerous examples are provided of how epidemiology can be used to identify and quantify the relations between recent or long-term exposure and health outcomes, such as prevalence or incidence of disease, injury, or mortality. The chapter describes the common study designs, including cohort studies, case-control studies, and cross-sectional studies, with examples of their application. Key aspects of exposure assessment and characterizing and quantifying exposure, are described. The three types of bias in epidemiology, information, selection, and confounding, are defined as well as the healthy worker effect, a potential source of bias unique in occupational studies. Study designs and analytic methods that can reduce or eliminate specific types of bias are also described. Finally, the chapter provides guidance on how to interpret the results of studies, with an eye toward causal inference.
5
Iyengar, Shanto. A Typology of Media Effects. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.49.
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This chapter discusses the progression of mass media effects research from early preoccupation with attitude change through minimal effects paradigms to the current resurgence in persuasion research. Implications of contemporary changes in the media environment on media effects research are considered. After surveying and classifying definitions of media effects, the chapter discusses how fundamental transformations in the media environment brought about by information technology may work to reshape scholarly understandings of the relationship between news sources and audiences. The availability of multiple sources makes it possible for consumers to be more selective in their exposure to news programs. Selective exposure means that people with limited interest in politics may bypass the news entirely, while the more attentive may tailor their exposure to suit their political preferences. Both these trends imply a weakening of persuasion effects.
6
Weil, Andrew. Integrative Environmental Medicine. Edited by Aly Cohen and Frederick S. vom Saal. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190490911.001.0001.
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Integrative Environmental Medicine looks at the history and changing landscape of environmental issues in the United States, including water supply, air quality, extensive plastic pollution, harmful chemicals in cleaning and personal care products, radiofrequency radiation, food additives, pesticides, and medications. The unique properties of compounds such as endocrine-disrupting chemicals are explored along with their ability to disturb the body’s normal signaling pathways, genetic profile, and gut microbiome. Resulting molecular derangements promote thyroid and other autoimmune diseases, diabetes, cardiovascular disease, cancer, and influence developmental problems in children. Analysis of current research identifies ways to reduce exposures and health risks, improve regulations and appropriate testing for chemicals, remediate environmental pollution, and design healthier products for the future. Best practices are considered for clinicians to ascertain exposure history, test for toxins, and teach patients how to avoid harmful exposures. Patients will be prepared and empowered with information about healthier food choices and cooking practices, appropriate supplement use, water filtration, cleaning and personal care product selection, improved sleep, stress reduction, sauna, fasting, chelation, safe cell phone use, and other means of reducing harmful environmental exposures. Solutions at every level require interdisciplinary collaboration to advance assessment, design, stewardship, and regulation of chemicals to promote environmental and human health.
7
Amirian, E. Susan, Quinn T. Ostrom, Yanhong Liu, Jill Barnholtz-Sloan, and Melissa L. Bondy. Nervous System. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190238667.003.0056.
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Although brain and other nervous system tumors are relatively rare, constituting up to 4% of incident primary cancer diagnoses, they are often associated with high morbidity and mortality. Several etiologic factors have been examined in relation to nervous system tumors, with the majority of studies focusing on central nervous system tumors. Despite decades of research, the only established risk factors for brain tumors are family history and moderate to high levels of ionizing radiation exposure. Differences in study designs, case ascertainment, control selection, and accuracy of exposure assessment are challenges associated with studying risk factors for nervous system tumors, and may partly explain why the majority of risk for these tumors remains unexplained. There is now substantial evidence that gliomas are inversely associated with allergies and atopy and positively associated with taller height.
8
Cappella, Joseph N., Jingwen Zhang, and Vincent Price. Collective Intelligence. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.014.
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The rise of the Internet and social media reignites interest in collective intelligence. We frame collective intelligence as follows: (1) Simple aggregation of individual opinion is a poor substitute for reasoned opinion by collectives (i.e., deliberation) except in limited circumstances. (2) What constitutes an intelligent decision on complex matters requires approximations to the ideal of what is intelligent. There is no “gold standard” for intelligent decisions. (3) If collective deliberation is to be useful, then its outcomes must be improved decisions—in short, intelligent outcomes. (4) Deliberation can lead to more intelligent outcomes when opinion, knowledge, and judgment within a collective is diverse and this diversity is expressed. (5) The trends within emerging media toward increasingly narrow, partisan sources of information, toward selective exposure and avoidance, and toward balkanization of collectives will depress the possibilities of collective intelligence that emerging media would on their surface seem to enhance.
9
Barr, Christina S. Gene-by-Environment Interactions in Primates. Edited by Turhan Canli. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199753888.013.006.
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Because of their complex social structures, behaviors, and genetic similarities to humans, nonhuman primates are useful for studying how genetic factors influence alcohol consumption. The neurobiological systems that influence addiction vulnerability may do so by acting on alcohol response, reward pathways, behavioral dyscontrol, and vulnerability to stress and anxiety. Rhesus macaques show individual differences in alcohol response and temperament, and such differences are influenced by genetic variants that are similar functionally to those present in humans. Genes in which variation moderates these phenotypes provide opportunities for modeling how genetic and environmental factors (i.e., stress exposure, individual’s sex, or alcohol response) interact to influence alcohol consumption. Studies in primates may also reveal selective factors that have driven maintenance or fixation of alleles that increase risk for alcohol use disorders in modern humans.
10
Boido, Claudio. Asset Allocation Strategies and Commodities. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190656010.003.0021.
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As a result of the financial crisis of 2007–2008 and subsequent central banking decisions, the asset management industry changed its asset allocation choices. Asset managers are focusing their attention on the search for new asset classes by taking advantage of the new opportunities to capture risk premia with the aim of exceeding the returns given by traditional investments, including traded equities, fixed income securities, and cash. By doing so, they are trying to improve the selection of alternative assets, such as commodities that sometimes have relatively low correlations with traditional assets. The chapter begins by describing the principles of asset allocation, distinguishing between passive and active asset allocation, also focusing on beta and alternative beta. It then concentrates on how investors can gain exposure to commodities through different investment vehicles and strategies.
11
Winneg, Kenneth M., Daniel M. Butler, Saar Golde, Darwin W. Miller, and Norman H. Nie. Online News Consumption in the United States and Ideological Extremism. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.021.
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In an earlier study, the authors found evidence that supported a framework predicting that consumers of Internet news sources held more extreme political views and were interested in more diverse political issues than those who solely consume mainstream television news using data covering the period April 2000 to June 2007. In this essay, they test whether the same patterns hold using data from the 2008 National Annenberg Election Survey online panel conducted during the 2008 presidential election cycle. The authors combine insights from theories of selective media exposure from political communication and social psychology with economic theories of differentiated products markets to develop a theoretical framework for understanding how the Internet continues to impact the U.S. political news market. The driving force behind this framework is the dramatically lower cost of production for Internet news sources relative to traditional television news.
12
Winneg, Kenneth M., Daniel M. Butler, Saar Golde, Darwin W. Miller, and Norman H. Nie. Online News Consumption in the United States and Ideological Extremism. Edited by Kate Kenski and Kathleen Hall Jamieson. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199793471.013.021_update_001.
Full textAbstract:
In an earlier study, the authors found evidence that supported a framework predicting that consumers of Internet news sources held more extreme political views and were interested in more diverse political issues than those who solely consume mainstream television news using data covering the period April 2000 to June 2007. In this essay, they test whether the same patterns hold using data from the 2008 National Annenberg Election Survey online panel conducted during the 2008 presidential election cycle. The authors combine insights from theories of selective media exposure from political communication and social psychology with economic theories of differentiated products markets to develop a theoretical framework for understanding how the Internet continues to impact the U.S. political news market. The driving force behind this framework is the dramatically lower cost of production for Internet news sources relative to traditional television news.
13
Kimmel, Ryan J., Peter P. Roy-Byrne, and Deborah S. Cowley. Pharmacological Treatments for Panic Disorder, Generalized Anxiety Disorder, Specific Phobia, and Social Anxiety Disorder. Oxford University Press, 2015. http://dx.doi.org/10.1093/med:psych/9780199342211.003.0015.
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Selective serotonin reuptake inhibitors (SSRIs) are the first-line pharmacological treatment for panic disorder based on their low rate of side effects, lack of dietary restrictions, and absence of tolerance. SSRIs and venlafaxine are attractive first-line treatments for social anxiety disorder. Pharmacological treatments of choice for generalized anxiety disorder are buspirone and antidepressants, including SSRIs and venlafaxine. Benzodiazepines, although effective for all these disorders, lack efficacy for comorbid depression and carry the risk of physiological dependence and withdrawal symptoms. Their greatest utility seems to be as an initial or adjunctive medication for patients with disabling symptoms requiring rapid relief and for those unable to tolerate other medications. Chronic treatment with benzodiazepines is generally safe and effective but should probably be reserved for patients nonresponsive or intolerant to other agents. Larger trials are necessary to determine whether pharmacological agents might be useful as monotherapies, or adjuncts to exposure psychotherapy, for specific phobia.
14
Thornton, Kevin, and Michael Gropper. Diagnosis, assessment, and management of hyperthermic crises. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0247.
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Malignant hyperthermia, the neuroleptic malignant syndrome (NMS), and the serotonin syndrome are the principal disorders associated with life-threatening hyperthermia in the intensive care unit. While each is a clinically unique entity, all can progress to multisystem organ dysfunction with acidosis, shock, and death. MH usually results from exposure to halogenated volatile anaesthetics and/or succinylcholine and symptoms of increased CO2 production and respiratory acidosis progress rapidly without prompt intervention, including the administration of dantrolene. NMS is a syndrome of rigidity and altered mental status seen most commonly in patients being treated with antipsychotic medications. The serotonin syndrome is seen in patients treated with serotonergic agents including selective serotonin reuptake or monoamine oxidase inhibitors and tricyclic antidepressants. The salient clinical finding is clonus, but agitation, altered mental status and autonomic dysfunction are common. Recognizing the non-specific features of these syndromes presents a challenge as they are life-threatening if not treated promptly and correctly with specific therapies.
15
Abatzis, Vaia T., and Edward C. Nemergut. Transsphenoidal/Pituitary Surgery. Edited by David E. Traul and Irene P. Osborn. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190850036.003.0004.
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Patients with tumors of the pituitary gland represent a heterogeneous yet commonly encountered neurosurgical population. Optimal anesthetic care requires an understanding of the complex pathophysiology secondary to each patient’s endocrine disease. Although patients presenting with Cushing’s disease and acromegaly have unique manifestations of endocrine dysfunction, all patients with tumors of the pituitary gland require meticulous preoperative evaluation and screening. There are many acceptable strategies for optimal intraoperative anesthetic management; however, the selection of anesthetic agents should be tailored to facilitate surgical exposure, preserve cerebral perfusion and oxygenation, and provide for rapid emergence and neurological assessment. Postoperatively, careful monitoring of fluid balance and serum sodium is essential to the early diagnosis of diabetes insipidus (DI). DI is most often transient but can require medical therapy. A thorough understanding of the preoperative assessment, intraoperative management, and potential complications are fundamental to successful perioperative patient care and avoidance of morbidity and mortality.
16
McDowall, David, Richard McCleary, and Bradley J. Bartos. Interrupted Time Series Analysis. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190943943.001.0001.
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Interrupted Time Series Analysis develops a comprehensive set of models and methods for drawing causal inferences from time series. Example analyses of social, behavioural, and biomedical time series illustrate a general strategy for building AutoRegressive Integrated Moving Average (ARIMA) impact models. The classic Box-Jenkins-Tiao model-building strategy is supplemented with recent auxiliary tests for transformation, differencing and model selection. New developments, including Bayesian hypothesis testing and synthetic control group designs are described and their prospects for widespread adoption are discussed. Example analyses make optimal use of graphical illustrations. Mathematical methods used in the example analyses are explicated assuming only exposure to an introductory statistics course. Design and Analysis of Time Series Experiments (DATSE) and other appropriate authorities are cited for formal proofs. Forty completed example analyses are used to demonstrate the implications of model properties. The example analyses are suitable for use as problem sets for classrooms, workshops, and short-courses.
17
Clark, Caroline, Jeffrey Cole, Christine Winter, and Geoffrey Grammer. Transcranial Magnetic Stimulation Treatment of Posttraumatic Stress Disorder. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190205959.003.0005.
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Symptoms of post-traumatic stress disorder (PTSD) often fail to resolve with psychotherapy, pharmacotherapy, or integrative medicine treatments. Given these limitations, there is a continued push to discover treatment methods utilizing novel mechanisms of action. Transcranial magnetic stimulation (TMS) offers a non-invasive and safe method of brain stimulation that modulates neuronal activity in a focal area to achieve excitation or inhibition, and may have utility for patients suffering from PTSD, although, to date, evidence of efficacy is limited. The TMS treatment can be varied to suit the needs of the patient by altering the selection of the specific treatment parameters, such as pulse frequency or stimulation intensity. The weight of evidence to date supports treatment of either the right dorsolateral prefrontal cortex or the medical prefrontal cortex. Coupling treatment with script based exposure therapies may also assist with potentiation of the extinction response. Ultimately, stimulation parameters may be related to secondary downstream effects, and thus current targets may indirectly reverse the underlying neuronal pathophysiology. Given that PTSD is a complex illness with a poorly understood pathophysiology, it often exists with other psychiatric comorbidities or TBI. As such, TMS could be an effective part of a comprehensive treatment program.
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Jamieson, Kathleen Hall, Dan M. Kahan, and Dietram A. Scheufele, eds. The Oxford Handbook of the Science of Science Communication. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780190497620.001.0001.
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The cross-disciplinary Oxford Handbook on the Science of Science Communication contains 47 essays by 57 leading scholars organized into six sections: The first section establishes the need for a science of science communication, provides an overview of the area, examines sources of science knowledge and the ways in which changing media structures affect it, reveals what the public thinks about science, and situates current scientific controversies in their historical contexts. The book’s second part examines challenges to science including difficulties in peer review, rising numbers of retractions, publication and statistical biases, and hype. Successes and failures in communicating about four controversies are the subject of Part III: “mad cow,” nanotechnology, biotechnology, and the HPV and HBV vaccines. The fourth section focuses on the ways in which elite intermediaries communicate science. These include the national academies, scholarly presses, government organizations, museums, foundations, and social networks. It examines as well scientific deliberation among citizens and science-based policymaking. In Part V, the handbook treats science media interactions, knowledge-based journalism, polarized media environments, popular images of science, and the portrayal of science in entertainment, narratives, and comedy. The final section identifies the ways in which human biases that can affect communicated science can be overcome. Biases include resistant misinformation, inadequate frames, biases in moral reasoning, confirmation and selective exposure biases, innumeracy, recency effects, fear of the unnatural, normalization, false causal attribution, and public difficulty in processing uncertainty. Each section of the book includes a thematic synthesis.