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https://www.readbyqxmd.com/read/28230894/diagnosing-crime-and-diagnosing-disease-bias-reduction-strategies-in-the-forensic-and-clinical-sciences
#1
Joseph J Lockhart, Saty Satya-Murti
Cognitive effort is an essential part of both forensic and clinical decision-making. Errors occur in both fields because the cognitive process is complex and prone to bias. We performed a selective review of full-text English language literature on cognitive bias leading to diagnostic and forensic errors. Earlier work (1970-2000) concentrated on classifying and raising bias awareness. Recently (2000-2016), the emphasis has shifted toward strategies for "debiasing." While the forensic sciences have focused on the control of misleading contextual cues, clinical debiasing efforts have relied on checklists and hypothetical scenarios...
February 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28230528/biologically-plausible-learning-in-recurrent-neural-networks-reproduces-neural-dynamics-observed-during-cognitive-tasks
#2
Thomas Miconi
Neural activity during cognitive tasks exhibits complex dynamics that flexibly encode task-relevant variables. Chaotic recurrent networks, which spontaneously generate rich dynamics, have been proposed as a model of cortical computation during cognitive tasks. However, existing methods for training these networks are either biologically implausible, and/or require a continuous, real-time error signal to guide learning. Here we show that a biologically plausible learning rule can train such recurrent networks, guided solely by delayed, phasic rewards at the end of each trial...
February 23, 2017: ELife
https://www.readbyqxmd.com/read/28227880/toward-personalized-and-context-aware-prompting-for-smartphone-based-intervention
#3
Ramin Fallahzadeh, Samaneh Aminikhanghahi, Ashley Nichole Gibson, Diane J Cook, Ramin Fallahzadeh, Samaneh Aminikhanghahi, Ashley Nichole Gibson, Diane J Cook, Ashley Nichole Gibson, Samaneh Aminikhanghahi, Ramin Fallahzadeh, Diane J Cook
Intervention strategies can help individuals with cognitive impairment to increase adherence to instructions, independence, and activity engagement and reduce errors on everyday instrumental activities of daily living (IADLs) and caregiver burden. However, to be effective, intervention prompts should be given at a time that does not interrupt other important user activities and is more convenient. In this paper, we propose an intelligent personalized intervention system for smartphones. In our approach, we use context and activity awareness to time prompts when they will most likely be viewed and used...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224482/dunning-kruger-effects-in-reasoning-theoretical-implications-of-the-failure-to-recognize-incompetence
#4
Gordon Pennycook, Robert M Ross, Derek J Koehler, Jonathan A Fugelsang
The Dunning-Kruger effect refers to the observation that the incompetent are often ill-suited to recognize their incompetence. Here we investigated potential Dunning-Kruger effects in high-level reasoning and, in particular, focused on the relative effectiveness of metacognitive monitoring among particularly biased reasoners. Participants who made the greatest numbers of errors on the cognitive reflection test (CRT) overestimated their performance on this test by a factor of more than 3. Overestimation decreased as CRT performance increased, and those who scored particularly high underestimated their performance...
February 21, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28223940/reconsideration-of-serial-visual-reversal-learning-in-octopus-octopus-vulgaris-from-a-methodological-perspective
#5
Alexander Bublitz, Severine R Weinhold, Sophia Strobel, Guido Dehnhardt, Frederike D Hanke
Octopuses (Octopus vulgaris) are generally considered to possess extraordinary cognitive abilities including the ability to successfully perform in a serial reversal learning task. During reversal learning, an animal is presented with a discrimination problem and after reaching a learning criterion, the signs of the stimuli are reversed: the former positive becomes the negative stimulus and vice versa. If an animal improves its performance over reversals, it is ascribed advanced cognitive abilities. Reversal learning has been tested in octopus in a number of studies...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28223927/effects-of-stroke-on-ipsilesional-end-effector-kinematics-in-a-multi-step-activity-of-daily-living
#6
Philipp Gulde, Charmayne Mary Lee Hughes, Joachim Hermsdörfer
Background: Stroke frequently impairs activities of daily living (ADL) and deteriorates the function of the contra- as well as the ipsilesional limbs. In order to analyze alterations of higher motor control unaffected by paresis or sensory loss, the kinematics of ipsilesional upper limb movements in patients with stroke has previously been analyzed during prehensile movements and simple tool use actions. By contrast, motion recording of multi-step ADL is rare and patient-control comparisons for movement kinematics are largely lacking...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28222381/domain-specific-and-domain-general-processes-underlying-metacognitive-judgments
#7
Lisa M Fitzgerald, Mahnaz Arvaneh, Paul M Dockree
Metacognition and self-awareness are commonly assumed to operate as global capacities. However, there have been few attempts to test this assumption across multiple cognitive domains and metacognitive evaluations. Here, we assessed the covariance between "online" metacognitive processes, as measured by decision confidence judgments in the domains of perception and memory, and error awareness in the domain of attention to action. Previous research investigating metacognition across task domains have not matched stimulus characteristics across tasks raising the possibility that any differences in metacognitive accuracy may be influenced by local task properties...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28221057/-understanding-the-neural-basis-of-cognitive-bias-modification-as-a-clinical-treatment-for-depression-correction-to-eguchi-et-al-2016
#8
(no author information available yet)
: Reports an error in "Understanding the neural basis of cognitive bias modification as a clinical treatment for depression" by Akihiro Eguchi, Daniel Walters, Nele Peerenboom, Hannah Dury, Elaine Fox and Simon Stringer (Journal of Consulting and Clinical Psychology, Advanced Online Publication, Dec 19, 2016, np). In the article, there was an error in the Discussion section's first paragraph for Implications and Future Work. The in-text reference citation for Penton-Voak et al. (2013) was incorrectly listed as "Blumenfeld, Preminger, Sagi, and Tsodyks (2006)"...
March 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28219654/worry-inducing-stimuli-in-an-aversive-go-nogo-task-enhance-reactive-control-in-individuals-with-lower-trait-anxiety
#9
Anja Leue, Carmen Cano Rodilla, André Beauducel
This study relates predictions on reactive and proactive cognitive control to findings on anxious apprehension/worry and ERN/Ne. We investigated whether worry-inducing stimuli in an aversive performance setting lead to a more pronounced increase of the ERN/Ne in individuals with lower anxious apprehension/worry. We also explored the N2 amplitude in the context of worry-inducing stimuli. Fifty-eight participants performed an extended Go/NoGo task. A neutral or fearful face was presented at the beginning of each trial, with the fearful face as a worry-inducing, distracting stimulus...
February 17, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28218803/error-monitoring-and-empathy-explorations-within-a-neurophysiological-context
#10
Azhani Amiruddin, Simone N Fueggle, An T Nguyen, Gilles E Gignac, Karen L Clunies-Ross, Allison M Fox
Past literature has proposed that empathy consists of two components: cognitive and affective empathy. Error monitoring mechanisms indexed by the error-related negativity (ERN) have been associated with empathy. Studies have found that a larger ERN is associated with higher levels of empathy. We aimed to expand upon previous work by investigating how error monitoring relates to the independent theoretical domains of cognitive and affective empathy. Study 1 (N = 24) explored the relationship between error monitoring mechanisms and subcomponents of empathy using the Questionnaire of Cognitive and Affective Empathy and found no relationship...
February 20, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28217868/an-anti-nicotinic-cognitive-challenge-model-using-mecamylamine-in-comparison-with-the-anti-muscarinic-cognitive-challenge-using-scopolamine
#11
A C Baakman, R Alvarez-Jimenez, R Rissmann, E S Klaassen, J Stevens, S C Goulooze, J Burger, E L Swart, J M A van Gerven, G J Groeneveld
INTRODUCTION: The muscarinic acetylcholine receptor antagonist scopolamine is often used for proof-of-pharmacology studies with pro-cognitive compounds. From a pharmacological point of view, it would seem more rational to use a nicotinic rather than a muscarinic anticholinergic challenge to prove pharmacology of a nicotinic acetylcholine receptor agonist. This study aims to characterize a nicotinic anticholinergic challenge model using mecamylamine and to compare it to the scopolamine model...
February 20, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28216430/white-matter-alterations-to-cingulum-and-fornix-following-very-preterm-birth-and-their-relationship-with-cognitive-functions
#12
Chiara Caldinelli, Seán Froudist-Walsh, Vyacheslav Karolis, Chieh-En Tseng, Matthew P Allin, Muriel Walshe, Marion Cuddy, Robin M Murray, Chiara Nosarti
Very preterm birth (VPT; <32 weeks of gestation) has been associated with impairments in memory abilities and functional neuroanatomical brain alterations in medial temporal and fronto-parietal areas. Here we investigated the relationship between structural connectivity in memory-related tracts and various aspects of memory in VPT adults (mean age 19) who sustained differing degrees of perinatal brain injury (PBI) as assessed by neonatal cerebral ultrasound. We showed that the neurodevelopmental consequences of VPT birth persist into young adulthood and are associated with neonatal cranial ultrasound classification...
February 12, 2017: NeuroImage
https://www.readbyqxmd.com/read/28211597/data-quality-assurance-and-control-in-cognitive-research-lessons-learned-from-the-predict-hd-study
#13
Holly James Westervelt, Rachel A Bernier, Melanie Faust, Mary Gover, H Jeremy Bockholt, Roland Zschiegner, Jeffrey D Long, Jane S Paulsen
We discuss the strategies employed in data quality control and quality assurance for the cognitive core of Neurobiological Predictors of Huntington's Disease (PREDICT-HD), a long-term observational study of over 1,000 participants with prodromal Huntington disease. In particular, we provide details regarding the training and continual evaluation of cognitive examiners, methods for error corrections, and strategies to minimize errors in the data. We present five important lessons learned to help other researchers avoid certain assumptions that could potentially lead to inaccuracies in their cognitive data...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28205493/rethinking-the-cognitive-mechanisms-underlying-pantomime-of-tool-use-evidence-from-alzheimer-s-disease-and-semantic-dementia
#14
Mathieu Lesourd, Josselin Baumard, Christophe Jarry, Frédérique Etcharry-Bouyx, Serge Belliard, Olivier Moreaud, Bernard Croisile, Valérie Chauviré, Marine Granjon, Didier Le Gall, François Osiurak
OBJECTIVES: Pantomiming the use of familiar tools is a central test in the assessment of apraxia. However, surprisingly, the nature of the underlying cognitive mechanisms remains an unresolved issue. The aim of this study is to shed a new light on this issue by exploring the role of functional, mechanical, and manipulation knowledge in patients with Alzheimer's disease and semantic dementia and apraxia of tool use. METHODS: We performed multiple regression analyses with the global performance and the nature of errors (i...
February 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28199893/decreased-cingulate-cortex-activation-during-cognitive-control-processing-in-bipolar-disorder
#15
Staci A Gruber, M Kathryn Dahlgren, Kelly A Sagar, Atilla Gonenc, Lesley Norris, Bruce M Cohen, Dost Ongur, Kathryn E Lewandowski
BACKGROUND: Cognitive deficits are well-documented in patients with bipolar disorder (BPD) and may impact the efficacy of psychotherapy. Cognitive control, a form of executive functioning, is often used therapeutically to shift patients' thoughts and behaviors from automatic, maladaptive responses to adaptive coping strategies. This study examined cognitive control processing in patients with BPD using the Multi-Source Interference Task (MSIT). METHOD: Twenty-nine patients diagnosed with BPD and 21 healthy control (HC) subjects completed the MSIT with concurrent functional magnetic resonance imaging (fMRI)...
February 7, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28197718/adaptation-of-the-osteoarthritis-specific-quality-of-life-scale-the-oaqol-for-use-in-germany-hungary-italy-spain-and-turkey
#16
Jeanette Wilburn, Stephen P McKenna, Şehim Kutlay, Tamas Bender, Jürgen Braun, Concepcion Castillo-Gallego, Marta Favero, Pal Geher, Uta Kiltz, Emilio Martin-Mola, Roberta Ramonda, Matthew Rouse, Alan Tennant, Ayşe A Küçükdeveci
The Osteoarthritis Quality of Life scale (OAQoL) is specific to individuals with osteoarthritis. The present study describes the adaptation of the OAQoL for use in the following five European languages: German, Hungarian, Italian, Spanish and Turkish. The study involved three stages in each language; translation, cognitive debriefing (face and content validity) and validation. The validation stage assessed internal consistency (Cronbach's alpha), reproducibility (test-retest reliability using Spearman's rank correlations), convergent and divergent validity (correlations with the Health Assessment Questionnaire, The Western Ontario and McMaster Universities Index of osteoarthritis and Nottingham Health Profile) and known group validity...
February 15, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28193697/error-induced-blindness-error-detection-leads-to-impaired-sensory-processing-and-lower-accuracy-at-short-response-stimulus-intervals
#17
George A Buzzell, Paul J Beatty, Natalie A Paquette, Daniel M Roberts, Craig G McDonald
Empirical evidence indicates that detecting one's own mistakes can serve as a signal to improve task performance. However, little work has focused on how task constraints, such as the response-stimulus interval (RSI), influence post-error adjustments. In the present study, event-related potential (ERP) and behavioral measures were used to investigate the time course of error-related processing while humans performed a difficult visual discrimination task. We found that error commission resulted in a marked reduction in both task performance and sensory processing on the following trial when RSIs were short, but that such impairments were not detectable at longer RSIs...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28192769/disorganization-at-the-stage-of-schizophrenia-clinical-outcome-clinical-biological-study
#18
A Nestsiarovich, V Obyedkov, H Kandratsenka, M Siniauskaya, I Goloenko, N Waszkiewicz
BACKGROUND: According to the multidimensional model of schizophrenia, three basic psychopathological dimensions constitute its clinical structure: positive symptoms, negative symptoms and disorganization. The latter one is the newest and the least studied. Our aim was to discriminate disorganization in schizophrenia clinical picture and to identify its distinctive biological and socio-psychological particularities and associated genetic and environmental factors. METHODS: We used SAPS/SANS psychometrical scales, scales for the assessment of patient's compliance, insight, social functioning, life quality...
December 30, 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28190990/the-translation-of-lipid-profiles-to-nutritional-biomarkers-in-the-study-of-infant-metabolism
#19
Animesh Acharjee, Philippa Prentice, Carlo Acerini, James Smith, Ieuan A Hughes, Ken Ong, Julian L Griffin, David Dunger, Albert Koulman
INTRODUCTION: Links between early life exposures and later health outcomes may, in part, be due to nutritional programming in infancy. This hypothesis is supported by observed long-term benefits associated with breastfeeding, such as better cognitive development in childhood, and lower risks of obesity and high blood pressure in later life. However, the possible underlying mechanisms are expected to be complex and may be difficult to disentangle due to the lack of understanding of the metabolic processes that differentiate breastfed infants compared to those receiving just formula feed...
2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28190372/training-performance-of-laparoscopic-surgery-in-two-and-three-dimensional-displays
#20
Chiuhsiang Joe Lin, Chih-Feng Cheng, Hung-Jen Chen, Kuan-Ying Wu
INTRODUCTION: This research investigated differences in the effects of a state-of-art stereoscopic 3-dimensional (3D) display and a traditional 2-dimensional (2D) display in simulated laparoscopic surgery over a longer duration than in previous publications and studied the learning effects of the 2 display systems on novices. METHODS: A randomized experiment with 2 factors, image dimensions and image sequence, was conducted to investigate differences in the mean movement time, the mean error frequency, NASA-TLX cognitive workload, and visual fatigue in pegboard and circle-tracing tasks...
February 1, 2017: Surgical Innovation
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