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https://www.readbyqxmd.com/read/28449293/a-novel-approach-to-study-medical-decision-making-in-the-clinical-setting-the-own-point-of-view-perspective
#1
Thierry Pelaccia, Jacques Tardif, Emmanuel Triby, Bernard Charlin
BACKGROUND: Making diagnostic and therapeutic decisions is a critical activity among physicians. It relies on the ability of physicians to use cognitive processes and specific knowledge in the context of a clinical reasoning. This ability is a core competency in physicians, especially in the field of emergency medicine where the rate of diagnostic errors is high. Studies that explore medical decision-making in an authentic setting are increasing significantly. They are based on the use of qualitative methods which are applied at two separate times: 1) a video recording of the subject's actual activity in an authentic setting and 2) an interview with the subject, supported by the video recording...
April 27, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28448299/impact-of-interruptions-distractions-and-cognitive-load-on-procedure-failures-and-medication-administration-errors
#2
Lily Thomas, Patricia Donohue-Porter, Joanna Stein Fishbein
Medication administration errors are difficult to intercept since they occur at the end of the process. The study describes interruptions, distractions, and cognitive load experienced by registered nurses during medication administration and explores their impact on procedure failures and medication administration errors. The focus of this study was unique as it investigated how known individual and environmental factors interacted and culminated in errors.
April 26, 2017: Journal of Nursing Care Quality
https://www.readbyqxmd.com/read/28447538/imitation-learning-errors-are-affected-by-visual-cues-in-both-performance-and-observation-phases
#3
Takashi Mizuguchi, Ryoko Sugimura, Hideaki Shimada, Takehiro Hasegawa
Mechanisms of action imitation were examined. Previous studies have suggested that success or failure of imitation is determined at the point of observing an action. In other words, cognitive processing after observation is not related to the success of imitation; 20 university students participated in each of three experiments in which they observed a series of object manipulations consisting of four elements (hands, tools, object, and end points) and then imitated the manipulations. In Experiment 1, a specific element that was initially observed was color coded, and the specific object that was manipulated at the imitation stage was identically color coded; participants accurately imitated the color coded element...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28442249/the-relationship-between-cognitive-insight-and-cognitive-performance-among-individuals-with-at-risk-mental-state-for-developing-psychosis
#4
Noriyuki Ohmuro, Masahiro Katsura, Chika Obara, Tatsuo Kikuchi, Yumiko Hamaie, Atsushi Sakuma, Kunio Iizuka, Fumiaki Ito, Hiroo Matsuoka, Kazunori Matsumoto
Impairments in cognitive insight-the capacity to appraise and modify one's own distorted beliefs-are believed to be associated with the formation of psychosis. Nevertheless, the association between cognitive insight and cognitive function among people with at-risk mental state (ARMS) for developing psychotic illness has not been made clear. In this study, we used the Beck Cognitive Insight Scale (BCIS) to assess cognitive insight and the Brief Assessment of Cognition in Schizophrenia (BACS) and the Wisconsin Card Sorting Test (WCST) to assess cognitive functions...
April 22, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28438968/neural-mechanisms-of-cognitive-dissonance-revised-an-eeg-study
#5
Marco Colosio, Anna Shestakova, Vadim V Nikulin, Evgeny Blagovechtchenski, Vasily Klucharev
Cognitive dissonance theory suggests that our preferences are modulated by the mere act of choosing. A choice between two similarly valued alternatives creates psychological tension (cognitive dissonance) that is reduced by a post-decisional reevaluation of the alternatives. We measured EEG of human subjects during rest and free-choice paradigm. Our study demonstrates that choices associated with stronger cognitive dissonance trigger a larger negative fronto-central evoked response similar to error-related negativity (ERN), which has in turn been implicated in general performance monitoring...
April 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28438556/the-brain-and-the-subjective-experience-of-time-a-voxel-based-symptom-lesion-mapping-study
#6
Luigi Trojano, Michelina Caccavale, Francesco De Bellis, Claudio Crisci
The aim of the study was to identify the anatomical bases involved in the subjective experience of time, by means of a voxel based symptom-lesion mapping (VLSM) study on patients with focal brain damage. Thirty-three patients (nineteen with right-hemisphere lesions -RBD, and fourteen with left lesion- LBD) and twenty-eight non-neurological controls (NNC) underwent the semi-structured QUEstionnaire for the Subjective experience of Time (QUEST) requiring retrospective and prospective judgements on self-relevant time intervals...
April 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28438484/simultaneous-object-perception-deficits-are-related-to-reduced-visual-processing-speed-in-amnestic-mild-cognitive-impairment
#7
Adriana L Ruiz-Rizzo, Peter Bublak, Petra Redel, Timo Grimmer, Hermann J Müller, Christian Sorg, Kathrin Finke
Simultanagnosia, an impairment in simultaneous object perception, has been attributed to deficits in visual attention and, specifically, to processing speed. Increasing visual attention deficits manifest over the course of Alzheimer's disease (AD), where the first changes are present already in its symptomatic predementia phase: amnestic mild cognitive impairment (aMCI). In this study, we examined whether patients with aMCI due to AD show simultaneous object perception deficits and whether and how these deficits relate to visual attention...
April 4, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28437127/building-a-lego-wall-sequential-action-selection
#8
Amy Arnold, Alan M Wing, Pia Rotshtein
The present study draws together two distinct lines of enquiry into the selection and control of sequential action: motor sequence production and action selection in everyday tasks. Participants were asked to build 2 different Lego walls. The walls were designed to have hierarchical structures with shared and dissociated colors and spatial components. Participants built 1 wall at a time, under low and high load cognitive states. Selection times for correctly completed trials were measured using 3-dimensional motion tracking...
May 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28434236/incremental-validity-of-self-and-informant-report-of-personality-disorders-in-later-life
#9
Patrick J Cruitt, Thomas F Oltmanns
Research shows moderate agreement between different sources of information when assessing personality disorders (PDs) in older adults. The differences between measurement methods appear to be not only the result of measurement error, but also an indication that each source holds nonredundant information relevant to PD diagnosis. The current article examines three sources of diagnostic information (self-report, informant report, and clinical interview) and the utility of these instruments in predicting important outcomes in older adulthood...
April 1, 2017: Assessment
https://www.readbyqxmd.com/read/28430041/integrative-modeling-of-pfc
#10
William H Alexander, Eliana Vassena, James Deraeve, Zachary D Langford
pFC is generally regarded as a region critical for abstract reasoning and high-level cognitive behaviors. As such, it has become the focus of intense research involving a wide variety of subdisciplines of neuroscience and employing a diverse range of methods. However, even as the amount of data on pFC has increased exponentially, it appears that progress toward understanding the general function of the region across a broad array of contexts has not kept pace. Effects observed in pFC are legion, and their interpretations are generally informed by a particular perspective or methodology with little regard with how those effects may apply more broadly...
April 21, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28424901/driving-with-a-neurodegenerative-disorder-an-overview-of-the-current-literature
#11
REVIEW
Milou Jacobs, Ellen P Hart, Raymund A C Roos
Driving is important for employment, social activities, and for the feeling of independence. The decision to cease driving affects the quality of life and has been associated with reduced mobility, social isolation, and sadness. Patients with neurodegenerative disorders can experience difficulties while driving due to their cognitive, motor, and behavioral impairments. The aim of this review is to summarize the available literature on changes in driving competence and behavior in patients with neurodegenerative disorders, with a particular focus on Huntington's (HD), Parkinson's (PD), and Alzheimer's disease (AD)...
April 19, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28424644/the-association-between-parenting-behavior-and-executive-functioning-in-children-and-young-adolescents
#12
Zrinka Sosic-Vasic, Julia Kröner, Sibylle Schneider, Nenad Vasic, Manfred Spitzer, Judith Streb
Executive functioning (EF) is associated with various aspects of school achievement and cognitive development in children and adolescents. There has been substantial research investigating associations between EF and other factors in young children, such as support processes and parenting, but less research has been conducted about external factors relating to EF in older children and adolescents. Therefore, the present study investigates one possible factor that could correlate with EF in school-age children and adolescents: parenting behavior...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28424602/assessing-the-driver-s-current-level-of-working-memory-load-with-high-density-functional-near-infrared-spectroscopy-a-realistic-driving-simulator-study
#13
Anirudh Unni, Klas Ihme, Meike Jipp, Jochem W Rieger
Cognitive overload or underload results in a decrease in human performance which may result in fatal incidents while driving. We envision that driver assistive systems which adapt their functionality to the driver's cognitive state could be a promising approach to reduce road accidents due to human errors. This research attempts to predict variations of cognitive working memory load levels in a natural driving scenario with multiple parallel tasks and to reveal predictive brain areas. We used a modified version of the n-back task to induce five different working memory load levels (from 0-back up to 4-back) forcing the participants to continuously update, memorize, and recall the previous 'n' speed sequences and adjust their speed accordingly while they drove for approximately 60 min on a highway with concurrent traffic in a virtual reality driving simulator...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28424393/-regulation-of-behavior-based-on-interoception
#14
Hideki Ohira
It is well known that the insular cortex (Brodmann areas 13, 14, 15, and 16) located deep inside the Sylvian fissure is associated with mental functions such as perception, language, cognition, affect, and movement. In particular, the insular cortex has been linked to interoception, which is the representation of bodily physiological states that is used to regulate bodily states and mental functions. Recently, a common principle to explain such functions of the insular cortex has been proposed. The principle posits that the anterior insula generates predictions of future bodily states, computes the error by comparing the prediction with the actual sensory signals, and integrates the body with the mind by minimizing the prediction error...
April 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28423188/intertrial-interval-duration-affects-error-monitoring
#15
Rebecca J Compton, Elizabeth Heaton, Emily Ozer
The purpose of this study was to investigate the effect of varying intertrial interval (ITI) durations on neural signals of error monitoring, given the importance of the ITI as a time window for engaging in self-evaluation and cognitive control. In a between-subjects design, 35 participants were assigned to one of three ITI durations (short: 768 ms; medium: 1,280 ms; long: 1,792 ms) in a standard Stroop task while EEG was recorded. Participants in the short-ITI group demonstrated lower performance accuracy, a reduced error-related negativity (even when correcting for frequency of errors), lower error-related alpha suppression during the ITI, and increased post-error slowing...
April 17, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28422829/impact-of-pain-on-cognitive-functions-in-primary-sj%C3%A3-gren-syndrome-with-small-fiber-neuropathy-10-cases-and-a-literature-review
#16
Sandrine Indart, Jacques Hugon, Pierre Jean Guillausseau, Alice Gilbert, Julien Dumurgier, Claire Paquet, Damien Sène
Primary Sjögren syndrome (pSS) is a chronic systemic autoimmune disease characterized by xerophthalmia, xerostomia, and potential peripheral or central neurological involvement. In pSS, the prevalence of cognitive disorders is generally sparse across literature and the impact of pain on cognitive profile is unclear. The aim of this study was to determine the relation between pain, cognitive complaint, and impairment in a very homogenous population of 10 pSS patients with painful small fiber neuropathy (PSFN) and spontaneous cognitive complaint...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28420646/associations-between-left-ventricular-dysfunction-and-brain-structure-and-function-findings-from-the-sabre-southall-and-brent-revisited-study
#17
Chloe M Park, Emily D Williams, Nish Chaturvedi, Therese Tillin, Robert J Stewart, Marcus Richards, Dean Shibata, Jamil Mayet, Alun D Hughes
BACKGROUND: Subclinical left ventricular (LV) dysfunction has been inconsistently associated with early cognitive impairment, and mechanistic pathways have been poorly considered. We investigated the cross-sectional relationship between LV dysfunction and structural/functional measures of the brain and explored the role of potential mechanisms. METHOD AND RESULTS: A total of 1338 individuals (69±6 years) from the Southall and Brent Revisited study underwent echocardiography for systolic (tissue Doppler imaging peak systolic wave) and diastolic (left atrial diameter) assessment...
April 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28418263/systematic-bias-in-predictions-of-new-drugs-budget-impact-analysis-of-a-sample-of-recent-us-drug-launches
#18
Michael S Broder, Jenelle M Zambrano, Jackie Lee, Richard S Marken
OBJECTIVE: Expectations about the budget impact of new drug launches may affect payer behavior and ultimately consumer costs. Therefore, we evaluated the accuracy of pre-launch US budget impact estimates for a sample of new drugs. METHODS: We searched for publicly available budget impact estimates made pre-launch for drugs approved in the US from 1(st) September 2010 to 1(st) September 2015 and compared them to actual sales. Accuracy was calculated as the ratio of pre-launch estimate to actual sales...
April 18, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28417291/reward-prediction-errors-in-drug-addiction-and-parkinson-s-disease-from-neurophysiology-to-neuroimaging
#19
REVIEW
Isabel García-García, Yashar Zeighami, Alain Dagher
PURPOSE OF REVIEW: Surprises are important sources of learning. Cognitive scientists often refer to surprises as "reward prediction errors," a parameter that captures discrepancies between expectations and actual outcomes. Here, we integrate neurophysiological and functional magnetic resonance imaging (fMRI) results addressing the processing of reward prediction errors and how they might be altered in drug addiction and Parkinson's disease. RECENT FINDINGS: By increasing phasic dopamine responses, drugs might accentuate prediction error signals, causing increases in fMRI activity in mesolimbic areas in response to drugs...
June 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28416813/brain-derived-neurotrophic-factor-val-66-met-genotype-and-ovarian-steroids-interactively-modulate-working-memory-related-hippocampal-function-in-women-a-multimodal-neuroimaging-study
#20
S-M Wei, E B Baller, P D Kohn, J S Kippenhan, B Kolachana, S J Soldin, D R Rubinow, P J Schmidt, K F Berman
Preclinical evidence suggests that the actions of ovarian steroid hormones and brain-derived neurotrophic factor (BDNF) are highly convergent on brain function. Studies in humanized mice document an interaction between estrus cycle-related changes in estradiol secretion and BDNF Val(66)Met genotype on measures of hippocampal function and anxiety-like behavior. We believe our multimodal imaging data provide the first demonstration in women that the effects of the BDNF Val/Met polymorphism on hippocampal function are selectively modulated by estradiol...
April 18, 2017: Molecular Psychiatry
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