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Cognitive bias

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https://www.readbyqxmd.com/read/28343279/the-independent-influences-of-heat-strain-and-dehydration-upon-cognition
#1
Anne M J van den Heuvel, Benjamin J Haberley, David J R Hoyle, Nigel A S Taylor, Rodney J Croft
PURPOSE: Many researchers have addressed the potential effects of hyperthermia and dehydration on cognition, often revealing contradictory outcomes. A possible reason for this inconsistency is that experiments may have been inadequately designed for such effects. In this study, the impact of hyperthermia, dehydration and their combination on cognition were evaluated in eight young males, after accounting for a range of experimental limitations. METHODS: Passive heating and thermal clamping at two mean body temperatures (36...
March 25, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28342769/a-laboratory-study-on-attentional-bias-as-an-underlying-mechanism-affecting-the-link-between-cortisol-and-performance-leading-to-a-discussion-on-the-nature-of-the-stressor-artificial-vs-psychosocial
#2
Franziska Lautenbach
Although cortisol is assumed to influence performance by affecting cognition during stressful and competitive situations, to date this assumption has not been tested empirically. Therefore, the aim of this study was to investigate whether the influence of cortisol on performance is mediated by attentional processing of emotional information. Forty-six male golfers were tested in a mixed design. The cold pressor task (CPT) was used to artificially increase cortisol levels in the experimental group relative to the control group, who had to put their forearm in warm water...
March 22, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28339428/does-conservative-treatment-change-the-brain-in-patients-with-chronic-musculoskeletal-pain-a-systematic-review
#3
Jeroen Kregel, Iris Coppieters, Robby DePauw, Anneleen Malfliet, Lieven Danneels, Jo Nijs, Barbara Cagnie, Mira Meeus
BACKGROUND: Chronic musculoskeletal pain is characterized by maladaptive central neuroplastic changes. Many observational studies have demonstrated that chronic pain states are associated with brain alterations regarding structure and/or function. Rehabilitation of patients with chronic musculoskeletal pain may include cognitive, exercise, or multimodal therapies. OBJECTIVE: The current review aims to provide a constructive overview of the existing literature reporting neural correlates, based on brain magnetic resonance imaging (MRI) techniques, following conservative treatment in chronic musculoskeletal pain patients...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28338882/tribal-love-the-neural-correlates-of-passionate-engagement-in-football-fans
#4
Isabel C Duarte, Sónia Afonso, Helena Jorge, Ricardo Cayolla, Carlos Ferreira, Miguel Castelo-Branco
The tribal character of the affective link between football fans and their teams is a well-recognized phenomenon. Other forms of love such as romantic or maternal attachment have previously been studied from a neuroimaging point of view. Here we aimed to investigate the neural basis of this tribal form of love, which implies both the feeling of belongingness and rivalry against opposing teams. A pool of 56 participants was submitted to an fMRI experimental design involving the presentation of winning and losing football moments of their loved, rival or neutral teams...
February 23, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28335792/can-incontinence-be-cured-a-systematic-review-of-cure-rates
#5
Rob Riemsma, Suzanne Hagen, Ruth Kirschner-Hermanns, Christine Norton, Helle Wijk, Karl-Erik Andersson, Christopher Chapple, Julian Spinks, Adrian Wagg, Edward Hutt, Kate Misso, Sohan Deshpande, Jos Kleijnen, Ian Milsom
BACKGROUND: Incontinence constitutes a major health problem affecting millions of people worldwide. The present study aims to assess cure rates from treating urinary (UI) or fecal incontinence (FI) and the number of people who may remain dependent on containment strategies. METHODS: Medline, Embase, PsycINFO, Cochrane Central Register of Controlled Trials (CENTRAL), CINAHL, and PEDro were searched from January 2005 to June 2015. Supplementary searches included conference abstracts and trials registers (2013-2015)...
March 24, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28334633/now-or-not-now-the-influence-of-alexithymia-on-intertemporal-decision-making
#6
Cristina Scarpazza, Manuela Sellitto, Giuseppe di Pellegrino
Optimal intertemporal decisions arise from the balance between an emotional-visceral component, signaling the need for immediate gratification, and a rational, long-term oriented component. Alexithymia, a personality construct characterized by amplified sensitivity to internal bodily signals of arousal, may result in enhanced activation of the emotional-visceral component over the cognitive-rational one. To test this hypothesis, participants with high- and low-alexithymia level were compared at an intertemporal decision-making task, and their choice behavior correlated with their interoceptive sensitivity...
March 20, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28334398/maintenance-of-social-anxiety-in-stuttering-a-cognitive-behavioral-model
#7
Lisa Iverach, Ronald M Rapee, Quincy J J Wong, Robyn Lowe
Purpose: Stuttering is a speech disorder frequently accompanied by anxiety in social-evaluative situations. A growing body of research has confirmed a significant rate of social anxiety disorder among adults who stutter. Social anxiety disorder is a chronic and disabling anxiety disorder associated with substantial life impairment. Several influential models have described cognitive-behavioral factors that contribute to the maintenance of social anxiety in nonstuttering populations. The purpose of the present article is to apply these leading models to the experience of social anxiety for people who stutter...
March 23, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28333486/transitive-inference-in-humans-homo-sapiens-and-rhesus-macaques-macaca-mulatta-after-massed-training-of-the-last-two-list-items
#8
Greg Jensen, Yelda Alkan, Fabian Muñoz, Vincent P Ferrera, Herbert S Terrace
Transitive inference (TI) is a classic learning paradigm for which the relative contributions of experienced rewards and representation-based inference have been debated vigorously, particularly regarding the notion that animals are capable of logic and reasoning. Rhesus macaque subjects and human participants performed a TI task in which, prior to learning a 7-item list (ABCDEFG), a block of trials presented exclusively the pair FG. Contrary to the expectation of associative models, the high prior rate of reward for F did not disrupt subsequent learning of the entire list...
March 23, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28331991/systematic-review-and-meta-analysis-of-adolescent-cognitive-behavioral-sleep-interventions
#9
REVIEW
Matthew J Blake, Lisa B Sheeber, George J Youssef, Monika B Raniti, Nicholas B Allen
This systematic review and meta-analysis examined the efficacy of adolescent cognitive-behavioral sleep interventions. Searches of PubMed, PsycINFO, CENTRAL, EMBASE, and MEDLINE were performed from inception to May 1, 2016, supplemented with manual screening. Nine trials were selected (n = 357, mean age = 14.97 years; female = 61.74%). Main outcomes were subjective (sleep diary/questionnaire) and objective (actigraphy) total sleep time (TST), sleep onset latency (SOL), sleep efficiency (SE), and wake after sleep onset (WASO)...
March 22, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28329718/a-pilot-investigation-of-acute-inhibitory-control-training-in-cocaine-users
#10
Joseph L Alcorn, Erika Pike, William S Stoops, Joshua A Lile, Craig R Rush
BACKGROUND: Disrupted response inhibition and presence of drug-cue attentional bias in cocaine-using individuals have predicted poor treatment outcomes. Inhibitory control training could help improve treatment outcomes by strengthening cognitive control. This pilot study assessed the effects of acute inhibitory control training to drug- and non-drug-related cues on response inhibition performance and cocaine-cue attentional bias in cocaine-using individuals. METHODS: Participants who met criteria for a cocaine-use disorder underwent five sessions of inhibitory control training to either non-drug-related cues (i...
February 28, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28329674/%C3%AE-arrestin2-couples-metabotropic-glutamate-receptor-5-to-neuronal-protein-synthesis-and-is-a-potential-target-to-treat-fragile-x
#11
Laura J Stoppel, Benjamin D Auerbach, Rebecca K Senter, Anthony R Preza, Robert J Lefkowitz, Mark F Bear
Synaptic protein synthesis is essential for modification of the brain by experience and is aberrant in several genetically defined disorders, notably fragile X (FX), a heritable cause of autism and intellectual disability. Neural activity directs local protein synthesis via activation of metabotropic glutamate receptor 5 (mGlu5), yet how mGlu5 couples to the intracellular signaling pathways that regulate mRNA translation is poorly understood. Here, we provide evidence that β-arrestin2 mediates mGlu5-stimulated protein synthesis in the hippocampus and show that genetic reduction of β-arrestin2 corrects aberrant synaptic plasticity and cognition in the Fmr1(-/y) mouse model of FX...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28328043/csf-tau-and-the-csf-tau-abeta-ratio-for-the-diagnosis-of-alzheimer-s-disease-dementia-and-other-dementias-in-people-with-mild-cognitive-impairment-mci
#12
REVIEW
Craig Ritchie, Nadja Smailagic, Anna H Noel-Storr, Obioha Ukoumunne, Emma C Ladds, Steven Martin
BACKGROUND: Research suggests that measurable change in cerebrospinal fluid (CSF) biomarkers occurs years in advance of the onset of clinical symptoms (Beckett 2010). In this review, we aimed to assess the ability of CSF tau biomarkers (t-tau and p-tau) and the CSF tau (t-tau or p-tau)/ABeta ratio to enable the detection of Alzheimer's disease pathology in patients with mild cognitive impairment (MCI). These biomarkers have been proposed as important in new criteria for Alzheimer's disease dementia that incorporate biomarker abnormalities...
March 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28327248/attractiveness-bias-a-cognitive-explanation
#13
Stevie S Schein, Logan T Trujillo, Judith H Langlois
According to cognitive averaging theory, preferences for attractive faces result from their similarity to facial prototypes, the categorical central tendencies of a population of faces. Prototypical faces are processed more fluently, resulting in increased positive affect in the viewer.
January 2017: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/28327217/realism-and-constructivism-in-social-perception
#14
John F Kihlstrom
Jussim's critique of social psychology's embrace of error and bias is needed and often persuasive. In opting for perceptual realism over social constructivism, however, he seems to ignore a third choice - a cognitive constructivism which has a long and distinguished history in the study of nonsocial perception, and which enables us to understand both accuracy and error.
January 2017: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/28327216/the-expressive-rationality-of-inaccurate-perceptions
#15
Dan M Kahan
This commentary uses the dynamic of identity-protective cognition to pose a friendly challenge to Jussim (2012). Like other forms of information processing, this one is too readily characterized as a bias. It is no mistake, however, to view identity-protective cognition as generating inaccurate perceptions. The "bounded rationality" paradigm incorrectly equates rationality with forming accurate beliefs. But so does Jussim's critique.
January 2017: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/28326822/determinants-of-poor-cognitive-function-using-a-iqcode-among-lebanese-older-adults-a-cross-sectional-study
#16
Ibrahim R Bou-Orm, Assem M Khamis, Monique Chaaya
INTRODUCTION: Dementia characterized by gradual cognitive decline is an increasing public health problem due to population ageing. This study aims at assessing the prevalence and determinants of cognitive decline among Lebanese older adults. METHODS: Secondary analysis of data from a cross-sectional sample of 502 elders from two Lebanese governorates was conducted. Cognitive decline was assessed using the Arabic Version of 16-item Informant Questionnaire on Cognitive Decline for the older adults (A-IQCODE 16)...
March 22, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28326119/comparing-the-self-report-and-measured-smartphone-usage-of-college-students-a-pilot-study
#17
Heyoung Lee, Heejune Ahn, Trung Giang Nguyen, Sam-Wook Choi, Dae Jin Kim
OBJECTIVE: Nowadays smartphone overuse has become a social and medical concern. For the diagnosis and treatment, clinicians use the self-report information, but the report data often does not match actual usage pattern. The paper examines the similarity and variance in smartphone usage patterns between the measured data and self-reported data. METHODS: Together with the self-reported data, the real usage log data is collected from 35 college students in a metropolitan region of Northeast Asia, using Android smartphone monitoring application developed by the authors...
March 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28325901/correlates-of-social-exclusion-in-social-anxiety-disorder-an-fmri-study
#18
Alexandre Heeren, Laurence Dricot, Joël Billieux, Pierre Philippot, Delphine Grynberg, Philippe de Timary, Pierre Maurage
Cognitive models posit that social anxiety disorder (SAD) is maintained by biased information-processing vis-à-vis threat of social exclusion. However, uncertainty still abounds regarding the very nature of this sensitivity to social exclusion in SAD. Especially, brain alterations related to social exclusion have not been explored in SAD. Our primary purpose was thus to determine both the self-report and neural correlates of social exclusion in this population. 23 patients with SAD and 23 matched nonanxious controls played a virtual game ("Cyberball") during fMRI recording...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325118/is-asthma-associated-with-cognitive-impairments-a-meta-analytic-review
#19
Farzin Irani, Jordan Mark Barbone, Janet Beausoleil, Lynn Gerald
INTRODUCTION: Asthma is a chronic disease with significant health burden and socioeconomic and racial/ethnic disparities related to diagnosis and treatment. Asthma primarily affects the lungs, but can impact brain function through direct and indirect mechanisms. Some studies have suggested that asthma negatively impacts cognition, while others have failed to identify asthma-related cognitive compromise. We aimed to conduct a meta-analysis of cognition in individuals with asthma compared to that in healthy controls...
March 21, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28322535/neuropsychological-rehabilitation-and-psychotherapy-of-adult-traumatic-brain-injury-patients-with-depression-a-systematic-review-and-meta-analysis
#20
Zeng-Qiang Liu, Xue Zeng, Chen-Yang Duan
INTRODUCTION: There is still insufficient appreciation whether neuropsychological rehabilitation and psychotherapy are effective in attenuating depression following traumatic brain injury (TBI). This knowledge gap was addressed in the present systematic review and meta- analysis of the literature. EVIDENCE ACQUISITION: We conducted electronic database (Medline, PsychINFO, Scopus) searches (time frame: January 1, 2005 - December 31, 2015) for clinical studies that had tested neuropsychological rehabilitation and psychotherapy in adult TBI survivors with depression...
March 21, 2017: Journal of Neurosurgical Sciences
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