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Cognitive decision making

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https://www.readbyqxmd.com/read/28723899/cognition-neurons-couple-up-to-make-decisions
#1
Stephen V David
No abstract text is available yet for this article.
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28719226/learned-helplessness-and-sexual-risk-taking-in-adolescent-and-young-adult-african-american-females
#2
Laura Pittiglio
Research involving adolescent and young African American (AA) females has demonstrated that they face uncontrollable obstacles which can interfere with the negotiation of safer sexual behaviors. If these obstacles are perceived as uncontrollable, then these females may be at risk for the development of Learned Helplessness (LH). As the LH model predicts, if these obstacles are believed not to be in their control, it may lead to deficits in motivational or cognitive decision-making, deficits that could certainly influence their sexual risk taking behaviors...
July 18, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28717229/investigation-of-autistic-traits-through-strategic-decision-making-in-games-with-adaptive-agents
#3
Alexis B Craig, Emily Grossman, Jeffrey L Krichmar
Autism Spectrum Disorders are characterized by difficulties in communicating and cooperating with other people. Impairment in Theory of Mind (ToM), the ability to infer what another person is thinking, may contribute to these social deficits. The present study assesses the relationship between autistic traits and decision-making in a socioeconomic game environment that measures ToM and cooperation. We quantified participant strategy during game play with computer agents that simulated aspects of ToM or fixed strategy agents with static behaviors or heuristics...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715105/a-simulation-based-approach-to-measuring-team-situational-awareness-in-emergency-medicine-a-multicenter-observational-study
#4
Elizabeth D Rosenman, Aurora J Dixon, Jessica M Webb, Sarah Brolliar, Simon J Golden, Kerin A Jones, Sachita Shah, James A Grand, Steve W J Kozlowski, Georgia T Chao, Rosemarie Fernandez
OBJECTIVES: Team situational awareness (TSA) is critical for effective teamwork and supports dynamic decision-making in unpredictable, time-pressured situations. Simulation provides a platform for developing and assessing TSA; but these efforts are limited by suboptimal measurement approaches. The objective of this study was to develop and evaluate a novel approach to TSA measurement in interprofessional emergency medicine teams. METHODS: We performed a multicenter, prospective, simulation-based observational study to evaluate an approach to TSA measurement...
July 17, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28714603/variations-in-neurodevelopmental-outcomes-in-children-with-prenatal-ssri-antidepressant-exposure
#5
REVIEW
Naama Rotem-Kohavi, Tim F Oberlander
Mood disorders and treatment with selective serotonin reuptake inhibitor (SSRI) antidepressants during pregnancy are common and both pose neurodevelopmental risks. This often makes the decision to treat prenatal depression with pharmacotherapy (i.e., antidepressants) challenging for clinicians and mothers. SSRIs block the reuptake of the neurotransmitter serotonin (5HT) and given its developmental role, it is not inconceivable that early changes in 5HT signaling could have an impact on early brain development...
July 17, 2017: Birth defects research
https://www.readbyqxmd.com/read/28714427/discrepancy-between-information-provided-and-information-required-by-emergency-physicians-for-long-term-care-patients
#6
Richa Parashar, Shelley McLeod, Don Melady
OBJECTIVES: The primary objective of this study was to identify information included in long-term care (LTC) transfer documentation and to compare it to the information required by local emergency department (ED) physicians to provide optimal care and make decisions for LTC patients. METHODS: A retrospective chart review was conducted for a sample of LTC residents transferred by ambulance to the ED of an academic, tertiary care hospital over a 1-year period. All emergency physicians working at the institution were invited to complete an online questionnaire about information included in LTC transfer documentation and information required by emergency physicians to provide care for LTC patients...
July 17, 2017: CJEM
https://www.readbyqxmd.com/read/28713313/the-burden-of-binge-and-heavy-drinking-on-the-brain-effects-on-adolescent-and-young-adult-neural-structure-and-function
#7
REVIEW
Anita Cservenka, Ty Brumback
Introduction: Adolescence and young adulthood are periods of continued biological and psychosocial maturation. Thus, there may be deleterious effects of consuming large quantities of alcohol on neural development and associated cognition during this time. The purpose of this mini review is to highlight neuroimaging research that has specifically examined the effects of binge and heavy drinking on adolescent and young adult brain structure and function. Methods: We review cross-sectional and longitudinal studies of young binge and heavy drinkers that have examined brain structure (e...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28712946/dissociation-between-decision-making-under-risk-and-decision-making-under-ambiguity-in-premanifest-and-manifest-huntington-s-disease
#8
Najia Adjeroud, Jeremy Besnard, Christophe Verny, Adriana Prundean, Clarisse Scherer, Bénédicte Gohier, Dominique Bonneau, Nicole El Massioui, Philippe Allain
We investigated decision-making under ambiguity (DM-UA) and decision making under risk (DM-UR) in individuals with premanifest and manifest Huntington's disease (HD). Twenty individuals with premanifest HD and 23 individuals with manifest HD, on one hand, and 39 healthy individuals divided into two control groups, on the other, undertook a modified version of the Iowa Gambling Task (IGT), an adaptation of a DM-UA task, and a modified version of the Game of Dice Task (GDT), an adaptation of a DM-UR task. Participants also filled in a questionnaire of impulsivity and responded to cognitive tests specifically designed to assess executive functions...
July 13, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28711810/cocaine-dependence-modulates-the-effect-of-hiv-infection-on-brain-activation-during-intertemporal-decision-making
#9
Christina S Meade, Andrea L Hobkirk, Sheri L Towe, Nan-Kuei Chen, Ryan P Bell, Scott A Huettel
BACKGROUND: Both HIV infection and chronic cocaine use alter the neural circuitry of decision making, but the interactive effects of these commonly comorbid conditions have not been adequately examined. This study tested how cocaine moderates HIV-related neural activation during an intertemporal decision-making task. METHODS: The sample included 73 participants who differed on cocaine and HIV status (18 COC+/HIV+, 19 COC+/HIV-, 19 COC-/HIV+, 17 COC-/HIV-). Participants made choices between smaller, sooner and larger, delayed rewards while undergoing functional MRI...
July 8, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28710363/neural-correlates-of-altered-feedback-learning-in-women-recovered-from-anorexia-nervosa
#10
Franziska Ritschel, Daniel Geisler, Joseph A King, Fabio Bernardoni, Maria Seidel, Ilka Boehm, Richard Vettermann, Ronald Biemann, Veit Roessner, Michael N Smolka, Stefan Ehrlich
Anorexia nervosa (AN) is associated with exaggerated self-control and altered reward-based decision making, but the underlying neural mechanisms are poorly understood. Consistent with the notion of excessive cognitive control, we recently found increased dorsal anterior cingulate cortex (dACC) activation in acutely ill patients (acAN) on lose-shift trials in a probabilistic reversal learning (PRL) task. However, undernutrition may modulate brain function. In attempt to disentangle trait from state factors, the current fMRI study investigated cognitive control in recovered patients (recAN)...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706092/development-of-an-intervention-to-support-patients-and-clinicians-with-advanced-lung-cancer-when-considering-systematic-anticancer-therapy-protocol-for-the-pact-study
#11
Despina Anagnostou, Stephanie Sivell, Simon Noble, Jason Lester, Anthony Byrne, Catherine Sampson, Mirella Longo, Annmarie Nelson
INTRODUCTION: Patient-centred care is essential to the delivery of healthcare; however, this necessitates direct patient involvement in clinical decision-making and can be challenging for patients diagnosed with advanced non-small cell lung cancer where there may be misunderstanding of the extent of disease, prognosis and aims of treatment. In this context, decisions are complex and there is a need to balance the risks and benefits, including treatment with palliative intent. The aim of the PACT study is to identify the information and decision support needs of patients, leading to the development of an intervention to support patients with advanced lung cancer when considering treatment options...
July 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28704928/dynamic-hippocampal-and-prefrontal-contributions-to-memory-processes-and-representations-blur-the-boundaries-of-traditional-cognitive-domains
#12
REVIEW
Rachael D Rubin, Hillary Schwarb, Heather D Lucas, Michael R Dulas, Neal J Cohen
The hippocampus has long been known to be a critical component of the memory system involved in the formation and use of long-term declarative memory. However, recent findings have revealed that the reach of hippocampal contributions extends to a variety of domains and tasks that require the flexible use of cognitive and social behavior, including domains traditionally linked to prefrontal cortex (PFC), such as decision-making. In addition, the prefrontal cortex (PFC) has gained traction as a necessary part of the memory system...
July 12, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28701031/patient-s-cognitive-function-and-attitudes-towards-family-involvement-in-cancer-treatment-decision-making-a-patient-family-caregiver-dyadic-analysis
#13
Dong Wook Shin, Juhee Cho, Debra L Roter, So Young Kim, Jong Hyock Park, Hyung Kook Yang, Hyun Woo Lee, Sun-Seog Kweon, Yune Sik Kang, Keeho Park
Purpose: Older patient populations commonly have cognitive impairment, which might impact decisional capacity. We examined patients and family caregivers preferences for family involvement in treatment decision making assuming different level of cognitive impairment, and sought to explore the factors associated with the preferences and the degree to which patients and family members agree on preferences. Materials and Methods: A total of 358 elderly cancer patient and caregiver dyads were recruited from the 11 cancer centers in Korea, and were asked to express their preferences for family involvement in treatment decision making using hypothetical scenarios with three different levels of cognitive status (intact, mild impairment, and severe impairment)...
July 4, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28697791/blood-transfusion-in-elderly-patients-with-chronic-anemia-a-qualitative-analysis-of-the-general-practitioners-attitudes
#14
Sylvain Le Calvé, Dominique Somme, Joaquim Prud'homm, Aline Corvol
BACKGROUND: Blood transfusion in chronic anemia is not covered by guidelines specific to older adults. When they consider that this treatment is necessary in elderly patients, French general practitioners (GPs) contact a hospital specialist to plan a transfusion. METHODS: Twenty French GPs were questioned individually regarding their approach to blood transfusion using semi-structured interviews. Each interview was recorded, typed up verbatim and then coded using an inductive procedure by theme, in a cross-over design (two researchers) in two phases: analysis and summary, followed by grouping of the recorded comments...
July 11, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28697711/biomarkers-of-stroke-recovery-consensus-based-core-recommendations-from-the-stroke-recovery-and-rehabilitation-roundtable
#15
Lara A Boyd, Kathryn S Hayward, Nick S Ward, Cathy M Stinear, Charlotte Rosso, Rebecca J Fisher, Alexandre R Carter, Alex P Leff, David A Copland, Leeanne M Carey, Leonardo G Cohen, D Michele Basso, Jane M Maguire, Steven C Cramer
The most difficult clinical questions in stroke rehabilitation are "What is this patient's potential for recovery?" and "What is the best rehabilitation strategy for this person, given her/his clinical profile?" Without answers to these questions, clinicians struggle to make decisions regarding the content and focus of therapy, and researchers design studies that inadvertently mix participants who have a high likelihood of responding with those who do not. Developing and implementing biomarkers that distinguish patient subgroups will help address these issues and unravel the factors important to the recovery process...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28697386/alterations-in-functional-brain-networks-associated-with-loss-chasing-in-gambling-disorder-and-cocaine-use-disorder
#16
Patrick D Worhunsky, Marc N Potenza, Robert D Rogers
BACKGROUND: Continued, persistent gambling to recover accumulating losses, or 'loss-chasing', is a behavioral pattern linked particularly closely to gambling disorder (GD) but may reflect impaired decision-making processes relevant to drug addictions like cocaine-use disorder (CUD). However, little is known regarding the neurocognitive mechanisms of this complex, maladaptive behavior, particularly in individuals with addictive disorders. METHODS: Seventy participants (25 GD, 18 CUD, and 27 healthy comparison (HC)) completed a loss-chase task during fMRI...
June 28, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28696023/mcda-swing-weighting-and-discrete-choice-experiments-for-elicitation-of-patient-benefit-risk-preferences-a-critical-assessment
#17
Tommi Tervonen, Heather Gelhorn, Sumitra Sri Bhashyam, Jiat-Ling Poon, Katharine S Gries, Anne Rentz, Kevin Marsh
PURPOSE: Multiple criteria decision analysis swing weighting (SW) and discrete choice experiments (DCE) are appropriate methods for capturing patient preferences on treatment benefit-risk trade-offs. This paper presents a qualitative comparison of the 2 methods. METHODS: We review and critically assess similarities and differences of SW and DCE based on 6 aspects: comprehension by study participants, cognitive biases, sample representativeness, ability to capture heterogeneity in preferences, reliability and validity, and robustness of the results...
July 11, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28694338/no-effect-of-commercial-cognitive-training-on-neural-activity-during-decision-making
#18
Joseph W Kable, M Kathleen Caulfield, Mary Falcone, Mairead McConnell, Leah Bernardo, Trishala Parthasarathi, Nicole Cooper, Rebecca Ashare, Janet Audrain-McGovern, Robert Hornik, Paul Diefenbach, Frank J Lee, Caryn Lerman
Increased preference for immediate over delayed and for risky over certain rewards has been associated with unhealthy behavioral choices. Motivated by evidence that enhanced cognitive control can shift choice behavior away from immediate and risky rewards, we tested whether training executive cognitive function could influence choice behavior and brain responses. In this randomized controlled trial, 128 young adults (71 male, 57 female) participated in 10 weeks of training with either a commercial web-based cognitive training program or web-based video games that do not specifically target executive function or adapt the level of difficulty throughout training...
July 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28690557/security-under-uncertainty-adaptive-attackers-are-more-challenging-to-human-defenders-than-random-attackers
#19
Frédéric Moisan, Cleotilde Gonzalez
Game Theory is a common approach used to understand attacker and defender motives, strategies, and allocation of limited security resources. For example, many defense algorithms are based on game-theoretic solutions that conclude that randomization of defense actions assures unpredictability, creating difficulties for a human attacker. However, many game-theoretic solutions often rely on idealized assumptions of decision making that underplay the role of human cognition and information uncertainty. The consequence is that we know little about how effective these algorithms are against human players...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28689493/hiv-associated-executive-dysfunction-in-the-era-of-modern-antiretroviral-therapy-a-systematic-review-and-meta-analysis
#20
Keenan A Walker, Gregory G Brown
OBJECTIVE: While some reports suggest that HIV+ individuals continue to display executive function (EF) impairment in the era of cART, findings have been contradictory and appear to differ based on the aspect of EF being measured. To improve the understanding of how discrete executive abilities may be differentially affected or spared in the context of HIV infection, we conducted a systematic review and meta-analysis to (a) determine whether and to what extent HIV+ adults experience deficits in EFs, and (b) understand how demographic and clinical characteristics may modify the associations between HIV infection and executive abilities...
July 9, 2017: Journal of Clinical and Experimental Neuropsychology
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