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Cognitive bias and decision making

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https://www.readbyqxmd.com/read/29166652/do-patients-faces-influence-general-practitioners-cancer-suspicions-a-test-of-automatic-processing-of-sociodemographic-information
#1
Rosalind Adam, Roberta Garau, Edwin Amalraj Raja, Benedict Jones, Marie Johnston, Peter Murchie
BACKGROUND: Delayed cancer diagnosis leads to poorer patient outcomes. During short consultations, General Practitioners (GPs) make quick decisions about likelihood of cancer. Patients' facial cues are processed rapidly and may influence diagnosis. AIM: To investigate whether patients' facial characteristics influence immediate perception of cancer risk by GPs. DESIGN AND SETTING: Web-based binary forced choice experiment with GPs from Northeast Scotland...
2017: PloS One
https://www.readbyqxmd.com/read/29154614/unrealistic-optimism-in-advice-taking-a-computational-account
#2
Yuan Chang Leong, Jamil Zaki
Expert advisors often make surprisingly inaccurate predictions about the future, yet people heed their suggestions nonetheless. Here we provide a novel, computational account of this unrealistic optimism in advice taking. Across 3 studies, participants observed as advisors predicted the performance of a stock. Advisors varied in their accuracy, performing reliably above, at, or below chance. Despite repeated feedback, participants exhibited inflated perceptions of advisors' accuracy, and reliably "bet" on advisors' predictions more than their performance warranted...
November 20, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/29154203/unbending-mind-individuals-with-hoarding-disorder-do-not-modify-decision-strategy-in-response-to-feedback-under-risk
#3
Helen Pushkarskaya, David F Tolin, Daniel Henick, Ifat Levy, Christopher Pittenger
Cognitive-behavioral models of hoarding disorder emphasize impairments in information processing and decision making in the genesis of hoarding symptomology. We propose and test the novel hypothesis that individuals with hoarding are maladaptively biased towards a deliberative decision style. While deliberative strategies are often considered normative, they are not always adaptable to the limitations imposed by many real-world decision contexts. We examined decision-making patterns in 19 individuals with hoarding and 19 healthy controls, using a behavioral task that quantifies selection of decision strategies in a novel environment with known probabilities (risk) in response to feedback...
November 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29119582/emotions-and-assessment-considerations-for-rater-based-judgements-of-entrustment
#4
Carlos Gomez-Garibello, Meredith Young
CONTEXT: Assessment is subject to increasing scrutiny as medical education transitions towards a competency-based medical education (CBME) model. Traditional perspectives on the roles of assessment emphasise high-stakes, summative assessment, whereas CBME argues for formative assessment. Revisiting conceptualisations about the roles and formats of assessment in medical education provides opportunities to examine understandings and expectations of the assessment of learners. The act of the rater generating scores might be considered as an exclusively cognitive exercise; however, current literature has drawn attention to the notion of raters as measurement instruments, thereby attributing additional factors to their decision-making processes, such as social considerations and intuition...
November 9, 2017: Medical Education
https://www.readbyqxmd.com/read/29118108/network-configurations-in-the-human-brain-reflect-choice-bias-during-rapid-face-processing
#5
Tao Tu, Noam Schneck, Jordan Muraskin, Paul Sajda
Network interactions are likely to be instrumental in processes underlying rapid perception and cognition. Specifically, high-level and perceptual regions must interact to balance pre-existing models of the environment with new incoming stimuli. Simultaneous EEG/fMRI allows for the temporal characterization of brain-network interactions combined with improved anatomical localization of regional activity. In this paper we use simultaneous EEG/fMRI and multivariate dynamical systems (MDS) analysis to characterize network relationships between constitute brain areas that reflect a subject's choice for a face versus non-face categorization task...
November 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29110668/measuring-the-bias-against-low-income-country-research-an-implicit-association-test
#6
Matthew Harris, James Macinko, Geronimo Jimenez, Pricila Mullachery
BACKGROUND: With an increasing array of innovations and research emerging from low-income countries there is a growing recognition that even high-income countries could learn from these contexts. It is well known that the source of a product influences perception of that product, but little research has examined whether this applies also in evidence-based medicine and decision-making. In order to examine likely barriers to learning from low-income countries, this study uses established methods in cognitive psychology to explore whether healthcare professionals and researchers implicitly associate good research with rich countries more so than with poor countries...
November 6, 2017: Globalization and Health
https://www.readbyqxmd.com/read/29103404/the-cerad-neuropsychological-assessment-battery-is-sensitive-to-alcohol-related-cognitive-deficiencies-in-elderly-patients-a-retrospective-matched-case-control-study
#7
Liane Kaufmann, Stefan Huber, Daniel Mayer, Korbinian Moeller, Josef Marksteiner
OBJECTIVES: Adverse effects of heavy drinking on cognition have frequently been reported. In the present study, we systematically examined for the first time whether clinical neuropsychological assessments may be sensitive to alcohol abuse in elderly patients with suspected minor neurocognitive disorder. METHODS: A total of 144 elderly with and without alcohol abuse (each group n=72; mean age 66.7 years) were selected from a patient pool of n=738 by applying propensity score matching (a statistical method allowing to match participants in experimental and control group by balancing various covariates to reduce selection bias)...
November 6, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29101728/understanding-social-decision-making-from-another-species-perspective
#8
Sarah F Brosnan
One challenge of studying cognition and behavior in other species is designing studies that are intuitive and motivating to the subjects; studies that lack these features may result in false negatives and other outcomes that bias our understanding of animals' abilities and choices. Here, Schmelz, Grueneisen, Kabalak, Jost, and Tomasello (PNAS, 114(28), 7462-7467, 2017) investigated prosocial behavior, in which animals may make decisions that benefit a conspecific, and found that, contrary to much earlier work, when chimpanzees are given a reason to do so, they do make prosocial choices...
November 3, 2017: Learning & Behavior
https://www.readbyqxmd.com/read/29068847/cognitive-bias-a-potential-threat-to-clinical-decision-making-in-the-neonatal-intensive-care-unit
#9
Joan R Smith
No abstract text is available yet for this article.
October 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/29048535/symposium-overview-integrating-cognitive-motivational-and-sensory-biases-underlying-acoustic-and-multimodal-based-mate-choice
#10
Kathleen S Lynch, Scott A MacDougall-Shackleton
The goal of this symposium "Integrating Cognitive, Motivational and Sensory Biases Underlying Acoustic and Multimodal-Based Mate Choice" was to build a more complete framework in which to understand the mate choice brain. The presentations and papers within this symposium incorporate studies of motivational, cognitive, sensory and salience components of mate choice and highlight future directions that are needed to understand the biological basis of mate choice decision-making.
October 1, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/29046882/biased-numerical-cognition-impairs-economic-decision-making-in-parkinson-s-disease
#11
Qadeer Arshad, Angela Bonsu, Rhannon Lobo, Anne-Sophie Fluri, Rahuman Sheriff, Peter Bain, Nicola Pavese, Adolfo M Bronstein
OBJECTIVE: Previous findings suggest a context-dependent bihemispheric allocation of numerical magnitude. Accordingly, we predicted that lateralized motor symptoms in Parkinson's disease (PD), which reflect hemispheric asymmetries, would induce systematic lateralized biases in numerical cognition and have a subsequent influence on decision-making. METHODS: In 20 PD patients and matched healthy controls we assessed numerical cognition using a number-pair bisection and random number generation task...
October 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29042081/peritoneal-dialysis-is-associated-with-better-cognitive-function-than-hemodialysis-over-a-one-year-course
#12
Denise Neumann, Wilfried Mau, Andreas Wienke, Matthias Girndt
Impaired cognitive functioning in patients with end-stage renal disease may reduce their capabilities to adhere to complex medical or dietary regimens and to fully participate in medical decisions. With decreasing renal function, cognitive abilities are likely to decline, with cognitive dysfunction improving after initiation of dialysis and even being generally reversible after successful renal transplantation. However, little is known about cognitive changes particularly regarding different treatment modalities...
October 14, 2017: Kidney International
https://www.readbyqxmd.com/read/29035078/overrepresentation-of-extreme-events-in-decision-making-reflects-rational-use-of-cognitive-resources
#13
Falk Lieder, Thomas L Griffiths, Ming Hsu
People's decisions and judgments are disproportionately swayed by improbable but extreme eventualities, such as terrorism, that come to mind easily. This article explores whether such availability biases can be reconciled with rational information processing by taking into account the fact that decision makers value their time and have limited cognitive resources. Our analysis suggests that to make optimal use of their finite time decision makers should overrepresent the most important potential consequences relative to less important, put potentially more probable, outcomes...
October 16, 2017: Psychological Review
https://www.readbyqxmd.com/read/29028956/age-differences-in-the-neural-mechanisms-of-intertemporal-choice-under-subjective-decision-conflict
#14
Ben Eppinger, Hauke R Heekeren, Shu-Chen Li
Older decision-makers may capitalize on their greater experiences in financial decisions and by this offset decline in cognitive abilities. However, this pattern of results should reverse in situations that place high demands on cognitive control functions. In this study, we investigated how decision conflict affects the neural mechanisms of intertemporal decision-making in younger and older adults. To individually adjust the level of decision conflict we determined the indifference point (IDP) in intertemporal decision-making for each participant...
September 25, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29017990/healthy-beyond-pregnancy-a-web-based-intervention-to-improve-adherence-to-postpartum-care-randomized-controlled-feasibility-trial
#15
Katherine Park Himes, Heidi Donovan, Stephanie Wang, Carrie Weaver, Jillian Rae Grove, Francesca Lucia Facco
BACKGROUND: During the postpartum visit, health care providers address issues with short- and long-term implications for maternal and child health. Women with Medicaid insurance are less likely to return for a postpartum visit compared with women with private insurance. Behavioral economics acknowledges that people do not make exclusively rational choices, rather immediate gratification, cognitive and psychological biases, and social norms influence decision making. Drawing on insights from decision science, behavioral economists have examined how these biases can be modulated through carefully designed interventions...
October 10, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/28985112/minimally-sufficient-conditions-for-the-evolution-of-social-learning-and-the-emergence-of-non-genetic-evolutionary-systems
#16
Miguel Gonzalez, Richard Watson, Seth Bullock
Social learning, defined as the imitation of behaviors performed by others, is recognized as a distinctive characteristic in humans and several other animal species. Previous work has claimed that the evolutionary fixation of social learning requires decision-making cognitive abilities that result in transmission bias (e.g., discriminatory imitation) and/or guided variation (e.g., adaptive modification of behaviors through individual learning). Here, we present and analyze a simple agent-based model that demonstrates that the transition from instinctive actuators (i...
2017: Artificial Life
https://www.readbyqxmd.com/read/28966147/understanding-psychiatric-disorder-by-capturing-ecologically-relevant-features-of-learning-and-decision-making
#17
REVIEW
Jacqueline Scholl, Miriam Klein-Fl├╝gge
Recent research in cognitive neuroscience has begun to uncover the processes underlying increasingly complex voluntary behaviours, including learning and decision-making. Partly this success has been possible by progressing from simple experimental tasks to paradigms that incorporate more ecological features. More specifically, the premise is that to understand cognitions and brain functions relevant for real life, we need to introduce some of the ecological challenges that we have evolved to solve. This often entails an increase in task complexity, which can be managed by using computational models to help parse complex behaviours into specific component mechanisms...
September 28, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28951164/the-orbitofrontal-cortex-and-emotion-in-health-and-disease-including-depression
#18
Edmund T Rolls
The orbitofrontal cortex represents the reward or affective value of primary reinforcers including taste, touch, texture, and face expression. It learns to associate other stimuli with these to produce representations of the expected reward value for visual, auditory, and abstract stimuli including monetary reward value. The orbitofrontal cortex thus plays a key role in emotion, by representing the reward value of the goals for action. The learning process is stimulus-reinforcer association learning. Negative reward prediction error neurons are related to this affective learning...
September 24, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28937178/cognitive-biases-can-lead-to-serious-patient-safety-events
#19
Carlos Pellegrini
More than 100 cognitive biases are believed to exist. They are flaws or distortions in judgment and decision making, which have become increasingly recognized as contributors to patient safety events....
December 2016: Bulletin of the American College of Surgeons
https://www.readbyqxmd.com/read/28933874/wisdom-bias-and-balance-toward-a-process-sensitive-measurement-of-wisdom-related-cognition
#20
Justin P Brienza, Franki Y H Kung, Henri C Santos, D Ramona Bobocel, Igor Grossmann
Philosophers and behavioral scientists refer to wisdom as unbiased reasoning that guides one toward a balance of interests and promotes a good life. However, major instruments developed to test wisdom appear biased, and it is unclear whether they capture balance-related tendencies. We examined whether shifting from global, de-contextualized reports to state-level reports about concrete situations provides a less biased method to assess wise reasoning (e.g., intellectual humility, recognition of uncertainty and change, consideration of the broader context at hand and perspectives of others, integration of these perspectives or compromise), which may be aligned with the notion of balancing interests...
September 21, 2017: Journal of Personality and Social Psychology
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