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Cognitive decision making

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https://www.readbyqxmd.com/read/28813432/basic-reversal-learning-capacity-in-flies-suggests-rudiments-of-complex-cognition
#1
Brad R Foley, Paul Marjoram, Sergey V Nuzhdin
The most basic models of learning are reinforcement learning models (for instance, classical and operant conditioning) that posit a constant learning rate; however many animals change their learning rates with experience. This process is sometimes studied by reversing an existing association between cues and rewards, and measuring the rate of relearning. Augmented reversal-learning, where learning rates increase with practice, can be an important component of behavioral flexibility; and may provide insight into higher cognition...
2017: PloS One
https://www.readbyqxmd.com/read/28813248/early-stress-parental-motivation-and-reproductive-decision-making-applications-of-life-history-theory-to-parental-behavior
#2
REVIEW
Tomás Cabeza de Baca, Bruce J Ellis
This review focuses on the impact of parental behavior on child development, as interpreted from an evolutionary-developmental perspective. We employ psychosocial acceleration theory to reinterpret the effects of variation in parental investment and involvement on child development, arguing that these effects have been structured by natural selection to match the developing child to current and expected future environments. Over time, an individual's development, physiology, and behavior are organized in a coordinated manner (as instantiated in 'life history strategies') that facilitates survival and reproductive success under different conditions...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28811178/acute-%C3%AE-9-tetrahydrocannabinol-administration-in-female-rats-attenuates-immediate-responses-following-losses-but-not-multi-trial-reinforcement-learning-from-wins
#3
Scott A Wong, Sienna H Randolph, Victorita E Ivan, Aaron J Gruber
Δ-9-tetrahydrocannabinol (THC) is the main psychoactive component of marijuana and has potent effects on decision-making, including a proposed reduction in cognitive flexibility. We demonstrate here that acute THC administration differentially affects some of the processes that contribute to cognitive flexibility. Specifically, THC reduces lose-shift responding in which female rats tend to immediately shift choice responses away from options that result in reward omission on the previous trial. THC, however, did not impair the ability of rats to flexibly bias responses toward feeders with higher probability of reward in a reversal task...
August 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28810270/the-personal-antipsychotic-choice-index
#4
Floor van Dijk, Iris de Wit, Matthijs Blankers, Iris Sommer, Lieuwe de Haan
Introduction We present an online decision aid to involve patients with a psychotic disorder in shared decision-making concerning the selection of antipsychotic medication. Method Patients selected effectiveness and adverse effects criteria from the Subject's Response to Antipsychotics-34 questionnaire. Numerical data from meta-analyses, clinical trial data, receptor affinities and expert opinions were used to rank antipsychotics on each criterion. When using the the tool, patients indicate on a 5-point Likert scale how they value each (adverse) effect...
August 15, 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28808797/do-carer-s-levels-of-unmet-needs-change-over-time-when-caring-for-patients-diagnosed-with-high-grade-glioma-and-how-are-these-needs-correlated-with-distress
#5
G K B Halkett, E A Lobb, T Shaw, M M Sinclair, L Miller, E Hovey, A K Nowak
PURPOSE: The aim of the current study was to determine how carer needs changed longitudinally and understand associations between unmet needs and distress. METHODS: Family carers of patients with high-grade glioma (HGG) were recruited. Carers completed questionnaires during patients' chemoradiotherapy (T1), 3 months (T2) and 6 months (T3) including the following: the Distress Thermometer, the General Health Questionnaire-12, the Partner and Carer Supportive Care (PCS) Needs Scale and its supplement the Access to Services Needs Scale and the Brain Tumour Specific Supportive Care Needs Scale...
August 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28806694/what-can-neuronal-populations-tell-us-about-cognition
#6
REVIEW
Iñigo Arandia-Romero, Ramon Nogueira, Gabriela Mochol, Rubén Moreno-Bote
Nowadays, it is possible to record the activity of hundreds of cells at the same time in behaving animals. However, these data are often treated and analyzed as if they consisted of many independently recorded neurons. How can neuronal populations be uniquely used to learn about cognition? We describe recent work that shows that populations of simultaneously recorded neurons are fundamental to understand the basis of decision-making, including processes such as ongoing deliberations and decision confidence, which generally fall outside the reach of single-cell analysis...
August 11, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28805580/tourette-syndrome-and-chronic-tic-disorders-the-clinical-spectrum-beyond-tics
#7
Davide Martino, Christos Ganos, Tamara M Pringsheim
The clinical surveillance and active management of Tourette syndrome (TS) and other primary chronic tic disorders cannot be limited to tics, as these patients manifest a spectrum of sensory-, behavioral-, cognitive-, and sleep-related problems that have a major impact on their functioning and quality of life, influencing enormously clinical decision making on a routine basis. The sensory phenomena of primary tic disorders consist of premonitory urges and heightened sensitivity to external somatosensory and interoceptive stimuli...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28805528/pace-investigators-response-is-misleading-regarding-patient-survey-results
#8
Karen D Kirke
The PACE investigators' citation of a patient survey might mislead readers into thinking that the experience of people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) supports PACE findings. In fact, patient survey evidence directly contradicts the results of the PACE trial. A review of survey data published between 2001 and 2015 reveals that for most patients, graded exercise therapy leads to worsening of symptoms, cognitive behavioural therapy leads to no change in symptoms, and pacing leads to improvement...
August 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28803165/exploring-the-determinants-of-confidence-in-the-bat-and-ball-problem
#9
Aba Szollosi, Bence Bago, Barnabas Szaszi, Balazs Aczel
People often fail to solve deceptively simple mathematical problems, a tendency popularly demonstrated by the bat-and-ball problem. The most prominent explanation of this finding is that, to spare cognitive effort, people substitute the difficult task with an easier one, without being aware of the substitution. Despite this latter assumption, recent studies have found decreased levels of post-decision confidence ratings when people gave the answer of an easier calculation, suggesting that people are sensitive to their errors...
August 10, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28802440/debiasing-visual-pilots-weather-related-decision-making
#10
Stephen Walmsley, Andrew Gilbey
Pilots who decide to continue a flight into deteriorating weather conditions, rather than turn back or divert, are a significant cause of fatal crashes in general aviation. Earlier research has suggested that cognitive biases such as the anchoring effect and confirmation bias are implicated in many decisions to continue into worsening weather. In this study, we explored whether a simple debiasing technique, 'considering the alternative', reduced the effect of these two potentially fatal biases. Despite the study being adequately powered, our attempts to reduce the effects of biases were both unsuccessful...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28801245/episodic-future-thinking-and-future-based-decision-making-in-a-case-of-retrograde-amnesia
#11
Flavia De Luca, Francesca Benuzzi, Elena Bertossi, Davide Braghittoni, Giuseppe di Pellegrino, Elisa Ciaramelli
We investigated episodic future thinking (EFT) and future-based cognition and decision-making in patient SG, who developed a dense retrograde amnesia following hypoxia due to a cardiac arrest. Despite intact general cognitive and executive functioning, SG was unable to remember events from his entire lifetime. He had, however, relatively spared anterograde memory and general semantic knowledge. Voxel-based morphometry detected a reduction of gray matter in the thalamus, cerebellum and fusiform gyrus bilaterally, and, at a reduced threshold, in several regions of the autobiographical memory network, including the hippocampi...
August 9, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28801025/toward-an-mri-based-nomogram-for-the-prediction-of-transperineal-prostate-biopsy-outcome-a-physician-and-patient-decision-tool
#12
Su-Min Lee, Sidath H Liyanage, Wahyu Wulaningsih, Konrad Wolfe, Thomas Carr, Choudhry Younis, Mieke Van Hemelrijck, Rick Popert, Peter Acher
PURPOSE: To develop and internally validate a nomogram using biparametric magnetic resonance imaging (B-MRI)-derived variables for the prediction of prostate cancer at transperineal sector-guided prostate biopsy (TPSB). SUBJECTS/PATIENTS AND METHODS: Consecutive patients referred to our institution with raised prostate-specific antigen (PSA), abnormal prostate examination, or persistent suspicion of prostate cancer after previous transrectal biopsy between July 2012 and November 2015 were reviewed from a prospective database...
August 8, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28799808/decision-making-among-patients-and-their-family-in-als-care-a-review
#13
Geraldine Foley, Geralyn Hynes
OBJECTIVES: Practice guidelines in ALS care emphasise the role of the patient and their family in the decision-making process. We aimed to examine the ALS patient/family relationship in the decision-making process and to ascertain how patients and their family can shape one another's decisions pertaining to care. METHODS: We conducted a review of peer-reviewed empirical research, published in full and in English between January 2007 and January 2017, relating to care decision-making among ALS patients and their family...
August 11, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28799517/imaging-biomarkers-of-anti-epileptic-drug-action-insights-from-magnetic-resonance-imaging
#14
Lorenzo Caciagli, Fenglai Xiao, Britta Wandschneider, Matthias J Koepp
BACKGROUND: Approximately one third of patients with epilepsy are refractory to medical treatment. Adverse effects associated with anti-epileptic drugs (AEDs) are considered to affect quality of life often more than seizures themselves. Neuroimaging techniques, particularly magnetic resonance imaging (MRI), have proven instrumental in clinical decision making in relation to epilepsy surgery, but may also provide further insights into the mechanisms underlying treatment response and side effects associated with AEDs...
August 9, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28799199/refining-moral-agency-insights-from-moral-psychology-and-moral-philosophy
#15
Aimee Milliken
Research in moral psychology has recently raised questions about the impact of context and the environment on the way the human mind works. In a 2012 call to action, Paley wrote: "If some of the conclusions arrived at by moral psychologists are true, they are directly relevant to the way nurses think about moral problems, and present serious challenges to favoured concepts in nursing ethics, such as the ethics of care, virtue, and the unity of the person" (p. 80). He urges nurse ethicists and scholars to evaluate the impact these findings may have for moral theory...
August 11, 2017: Nursing Philosophy: An International Journal for Healthcare Professionals
https://www.readbyqxmd.com/read/28798411/group-augmentation-in-realistic-visual-search-decisions-via-a-hybrid-brain-computer-interface
#16
Davide Valeriani, Caterina Cinel, Riccardo Poli
Groups have increased sensing and cognition capabilities that typically allow them to make better decisions. However, factors such as communication biases and time constraints can lead to less-than-optimal group decisions. In this study, we use a hybrid Brain-Computer Interface (hBCI) to improve the performance of groups undertaking a realistic visual-search task. Our hBCI extracts neural information from EEG signals and combines it with response times to build an estimate of the decision confidence. This is used to weigh individual responses, resulting in improved group decisions...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28795001/evaluation-and-management-of-sport-related-concussions-in-adolescent-athletes
#17
REVIEW
Dilip R Patel, Venu Parachuri, Amrith Shettigar
Sport-related concussions in young athletes are common, generally under reported and often go unrecognized. Concussion in sport may result either from a direct impact to the head or from indirect forces transmitted to the brain from impact elsewhere on the body. Concussions may also result from sudden acceleration, deceleration or rotational forces to the brain. The key features of concussion include confusion, impaired memory and reduced speed of information processing. Recovery may occur from a few days to several weeks or months...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28794169/assessing-the-association-between-thinking-dispositions-and-clinical-error
#18
John Kinnear, Nick Wilson
BACKGROUND: Dual-process theory suggests that type 1 thinking results in a propensity to make 'intuitive' decisions based on limited information. Type 2 processes, on the other hand, are able to analyse these initial responses and replace them with rationalised decisions. Individuals may have a preference for different modes of rationalisation, on a continuum from careful to cursory. These 'dispositions' of thinking reside in type 2 processes and may result in error when the preference is for 'quick and casual' decision-making...
August 9, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28792973/the-effects-of-normal-aging-on-multiple-aspects-of-financial-decision-making
#19
Dorien F Bangma, Anselm B M Fuermaier, Lara Tucha, Oliver Tucha, Janneke Koerts
OBJECTIVES: Financial decision-making (FDM) is crucial for independent living. Due to cognitive decline that accompanies normal aging, older adults might have difficulties in some aspects of FDM. However, an improved knowledge, personal experience and affective decision-making, which are also related to normal aging, may lead to a stable or even improved age-related performance in some other aspects of FDM. Therefore, the present explorative study examines the effects of normal aging on multiple aspects of FDM...
2017: PloS One
https://www.readbyqxmd.com/read/28792862/nudging-and-boosting-steering-or-empowering-good-decisions
#20
Ralph Hertwig, Till Grüne-Yanoff
In recent years, policy makers worldwide have begun to acknowledge the potential value of insights from psychology and behavioral economics into how people make decisions. These insights can inform the design of nonregulatory and nonmonetary policy interventions-as well as more traditional fiscal and coercive measures. To date, much of the discussion of behaviorally informed approaches has emphasized "nudges," that is, interventions designed to steer people in a particular direction while preserving their freedom of choice...
August 1, 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
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