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https://www.readbyqxmd.com/read/28423188/intertrial-interval-duration-affects-error-monitoring
#1
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/28423021/trait-impulsivity-components-correlate-differently-with-proactive-and-reactive-control
#2
Shihua Huang, Zude Zhu, Wei Zhang, Yu Chen, Shuangju Zhen
The relationship between impulsivity and cognitive control is still unknown. We hypothesized that trait impulsivity would differentially correlate with specific cognitive control processes. Trait impulsivity was measured by the Barratt Impulsiveness Scale, which assesses motor, attention, and non-planning impulsiveness components. Cognitive control was measured by a hybrid-designed Stroop task, which distinguishes proactive and reactive control. Thirty-three participants performed the Stroop task while they were scanned by functional magnetic resonance imaging...
2017: PloS One
https://www.readbyqxmd.com/read/28418400/short-telomere-length-is-associated-with-impaired-cognitive-performance-in-european-ancestry-cohorts
#3
S Hägg, Y Zhan, R Karlsson, L Gerritsen, A Ploner, S J van der Lee, L Broer, J Deelen, R E Marioni, A Wong, A Lundquist, G Zhu, N K Hansell, E Sillanpää, I O Fedko, N A Amin, M Beekman, A J M de Craen, S Degerman, S E Harris, K-J Kan, C M Martin-Ruiz, G W Montgomery, A N Adolfsson, C A Reynolds, N J Samani, H E D Suchiman, A Viljanen, T von Zglinicki, M J Wright, J-J Hottenga, D I Boomsma, T Rantanen, J A Kaprio, D R Nyholt, N G Martin, L Nyberg, R Adolfsson, D Kuh, J M Starr, I J Deary, P E Slagboom, C M van Duijn, V Codd, N L Pedersen
The association between telomere length (TL) dynamics on cognitive performance over the life-course is not well understood. This study meta-analyses observational and causal associations between TL and six cognitive traits, with stratifications on APOE genotype, in a Mendelian Randomization (MR) framework. Twelve European cohorts (N=17 052; mean age=59.2±8.8 years) provided results for associations between qPCR-measured TL (T/S-ratio scale) and general cognitive function, mini-mental state exam (MMSE), processing speed by digit symbol substitution test (DSST), visuospatial functioning, memory and executive functioning (STROOP)...
April 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28417534/cardiac-function-and-cognition-in-older-community-dwelling-cardiac-patients
#4
Laura H P Eggermont, Mohamed F A Aly, Pieter J Vuijk, Karin de Boer, Otto Kamp, Albert C van Rossum, Erik J A Scherder
BACKGROUND: Cognitive deficits have been reported in older cardiac patients. An underlying mechanism for these findings may be reduced cardiac function. The relationship between cardiac function as represented by different echocardiographic measures and different cognitive function domains in older cardiac patients remains unknown. METHODS: An older (≥70 years) heterogeneous group of 117 community-dwelling cardiac patients under medical supervision by a cardiologist underwent thorough echocardiographic assessment including left ventricular ejection fraction, cardiac index, left atrial volume index, left ventricular mass index, left ventricular diastolic function, and valvular calcification...
April 17, 2017: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
https://www.readbyqxmd.com/read/28416812/a-new-locus-regulating-micall2-expression-was-identified-for-association-with-executive-inhibition-in-children-with-attention-deficit-hyperactivity-disorder
#5
L Yang, S Chang, Q Lu, Y Zhang, Z Wu, X Sun, Q Cao, Y Qian, T Jia, B Xu, Q Duan, Y Li, K Zhang, G Schumann, D Liu, J Wang, Y Wang, L Lu
Impaired executive inhibition is a core deficit of attention deficit hyperactivity disorder (ADHD), which is a common childhood-onset psychiatric disorder with high heritability. In this study, we performed a two-stage genome-wide association study of executive inhibition in ADHD in Han Chinese. We used the Stroop color-word interference test to evaluate executive inhibition. After quality control, 780 samples with phenotype and covariate data were included in the discovery stage, whereas 922 samples were included in the replication stage...
April 18, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28410470/the-action-congruency-effect-on-the-feelings-of-agency
#6
Roberta Vastano, Thierry Pozzo, Marcel Brass
Previous studies suggest that the sense of agency (SoA), the feeling of control about one's own actions and ensuing effects is also generated during action selection processes. We investigate whether the conflict at the action selection stage induced by a supraliminal stimulus, modulates an implicit measure of SoA, namely intentional binding. Furthermore, we were interested to investigate the influence of different types of stimulus-response compatibility on SoA. To this aim we compared the influence of an automatic imitation task and a stroop-like task on intentional binding...
April 11, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28410395/the-role-of-temporal-predictability-for-early-attentional-adjustments-after-conflict
#7
Klaas Bombeke, Zachary D Langford, Wim Notebaert, C Nico Boehler
A frequently-studied phenomenon in cognitive-control research is conflict adaptation, or the finding that congruency effects are smaller after incongruent trials. Prominent cognitive control accounts suggest that this adaptation effect can be explained by transient conflict-induced modulations of selective attention, reducing congruency effects on the next trial. In the present study, we investigated these possible attentional modulations in four experiments using the Stroop and Flanker tasks, dissociating possible enhancements of task-relevant information from suppression of task-irrelevant information by varying when this information was presented...
2017: PloS One
https://www.readbyqxmd.com/read/28409050/correlation-of-mri-visual-scales-with-neuropsychological-profile-in-mild-cognitive-impairment-of-parkinson-s-disease
#8
Luiz Felipe Vasconcellos, João Santos Pereira, Marcelo Adachi, Denise Greca, Manuela Cruz, Ana Lara Malak, Helenice Charchat-Fichman, Mariana Spitz
Few studies have evaluated magnetic resonance imaging (MRI) visual scales in Parkinson's disease-Mild Cognitive Impairment (PD-MCI). We selected 79 PD patients and 92 controls (CO) to perform neurologic and neuropsychological evaluation. Brain MRI was performed to evaluate the following scales: Global Cortical Atrophy (GCA), Fazekas, and medial temporal atrophy (MTA). The analysis revealed that both PD groups (amnestic and nonamnestic) showed worse performance on several tests when compared to CO. Memory, executive function, and attention impairment were more severe in amnestic PD-MCI group...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28407872/further-investigation-of-distinct-components-of-stroop-interference-and-of-their-reduction-by-short-response-stimulus-intervals
#9
Maria Augustinova, Laetitia Silvert, Nicolas Spatola, Ludovic Ferrand
The aim of this paper is to extend the so-called semantic Stroop paradigm (Neely & Kahan, 2001) - which already successfully distinguishes between the contribution of the semantic vs. response conflict to Stroop interference - so that it can take account of and capture the separate contribution of task conflict. In line with this idea, the Stroop interference observed using the aforementioned paradigm with both short and long RSIs (500 vs. 2000ms) did indeed reflect the specific contribution of the task, semantic and response conflicts...
April 10, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28407553/high-frequency-repetitive-transcranial-magnetic-stimulation-treatment-for-major-depression-dissociated-effects-on-psychopathology-and-neurocognition
#10
Santiago Tovar-Perdomo, Alexander McGirr, Frederique Van den Eynde, Nicole Rodrigues Dos Santos, Marcelo T Berlim
OBJECTIVES: This open-label pilot study explored the effects of a course of accelerated high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) on two neurocognitive domains (decision-making and impulse control) in patients with major depressive disorder (MDD). METHODS: Participants with MDD and a treatment resistant major depressive episode (n=24) underwent twice-daily HF-rTMS targeted at the left dorsolateral prefrontal cortex (lDLPFC) over two weeks...
April 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28406685/individual-differences-in-working-memory-capacity-predict-learned-control-over-attentional-capture
#11
Matthew K Robison, Nash Unsworth
Although individual differences in working memory capacity (WMC) typically predict susceptibility to attentional capture in various paradigms (e.g., Stroop, antisaccade, flankers), it sometimes fails to correlate with the magnitude of attentional capture effects in visual search (e.g., Stokes, 2016), which is 1 of the most frequently studied tasks to study capture (Theeuwes, 2010). But some studies have shown that search modes can mitigate the effects of attentional capture (Leber & Egeth, 2006). Therefore, the present study examined whether or not the relationship between WMC and attentional capture changes as a function of the search modes available...
April 13, 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28402480/cognitive-benefit-and-cost-of-acute-stress-is-differentially-modulated-by-individual-brain-state
#12
Nils Kohn, Erno J Hermans, Guillén Fernández
Acute stress is associated with beneficial as well as detrimental effects on cognition in different individuals. However, it is not yet known how stress can have such opposing effects. Stroop-like tasks typically show this dissociation: stress diminishes speed, but improves accuracy. We investigated accuracy and speed during a stroop-like task of 120 healthy male subjects after an experimental stress induction or control condition in a randomized, counter-balanced cross-over design; we assessed brain-behavior associations and determined the influence of individual brain connectivity patterns on these associations, which may moderate the effect and help identify stress resilience factors...
April 11, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28399842/deficits-of-perceived-spatial-separation-induced-prepulse-inhibition-in-patients-with-schizophrenia-relationships-to-symptoms-and-neurocognition
#13
Ning-Bo Yang, Qing Tian, Yu Fan, Qi-Jing Bo, Liang Zhang, Liang Li, Chuan-Yue Wang
BACKGROUND: Prepulse inhibition (PPI) and attention were impaired, which may cause psychotic symptoms and (or) hinder the cognitive functions in schizophrenia. However, due to the measurement methods of PPI, findings about the relationship between PPI and clinical symptoms, cognitive performances have been equivocal. METHODS: Seventy-five schizophrenia patients (SZ) and 50 healthy controls (HC) were assessed in a modified acoustic PPI paradigm, named perceived spatial separation-induced PPI (PSS-PPI), compared to perceived spatial co-location PPI (PSC-PPI) with inter-stimulus interval (ISI) of 120 ms...
April 11, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28393610/proactive-and-reactive-control-depends-on-emotional-valence-a-stroop-study-with-emotional-expressions-and-words
#14
Bhoomika Rastogi Kar, Narayanan Srinivasan, Yagyima Nehabala, Richa Nigam
We examined proactive and reactive control effects in the context of task-relevant happy, sad, and angry facial expressions on a face-word Stroop task. Participants identified the emotion expressed by a face that contained a congruent or incongruent emotional word (happy/sad/angry). Proactive control effects were measured in terms of the reduction in Stroop interference (difference between incongruent and congruent trials) as a function of previous trial emotion and previous trial congruence. Reactive control effects were measured in terms of the reduction in Stroop interference as a function of current trial emotion and previous trial congruence...
April 10, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28390970/transcranial-direct-current-stimulation-can-enhance-working-memory-in-huntington-s-disease
#15
Clare M Eddy, Kimron Shapiro, Andrew Clouter, Peter C Hansen, Hugh E Rickards
Transcranial direct current stimulation (tDCS) combined with a cognitive task can enhance targeted aspects of cognitive functioning in clinical populations. The movement disorder Huntington's disease (HD) is associated with progressive cognitive impairment. Deficits in working memory (WM) can be apparent early in the disease and impact functional capacity. We investigated whether tDCS combined with cognitive training could improve WM in patients with HD, and if baseline clinical or cognitive measures may predict efficacy...
April 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28390058/acute-effects-of-exercise-posture-on-executive-function-in-transient-ischemic-attack-patients
#16
James Faulkner, Lee Stoner, Rebecca Grigg, Simon Fryer, Keeron Stone, Danielle Lambrick
In patients with stroke or transient ischemic attacks (TIA), a decline in executive function may limit an individual's ability to process motor tasks and relearn motor skills. The purpose of this study was to assess the acute effect of exercise posture (seated vs. supine cycle ergometry) on executive function and prefrontal cortex perfusion in patients with TIA. Eleven TIA patients (65 ± 10 years) and 15 age-matched, healthy controls (HC; 62 ± 7 years) completed two exercise tests to maximal capacity (one seated, one supine) and two 30-min submaximal exercise tests (one seated, one supine)...
April 8, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28387491/-experimental-study-on-the-intolerance-of-uncertainty-and-cognitive-biases-in-parents-of-child-cancer-survivor
#17
M Vander Haegen, A M Etienne, C Piette
Studies in pediatric oncology describe a relative good quality of life in child cancer survivor. However, few studies were interested in the parents of a child cancer survivor. 61 parents are recruited in the Belgian hospitals. Three groups of parents are constituted : the parents whose child is in 4 years of survivorship (group 1), in 5 years of survivorship (group 2) and in 6 years of survivorship (group 3). Clinical scales and a Stroop emotion task are administered. Parents (of the 3 groups) present a low tolerance of uncertainty, have excessive worries about the evolution of the health of their child, and suffer from anxious symptoms...
March 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28387210/impact-of-cognition-and-clinical-factors-on-functional-outcome-in-patients-with-bipolar-disorder
#18
A Soni, P Singh, R Shah, S Bagotia
OBJECTIVE: To examine the role of different clinical variables and cognition on functional outcome in patients with bipolar disorder. METHODS: A total of 61 euthymic patients with bipolar disorder and 30 healthy individuals were included in the study. The patients were divided into low functioning (n = 30) or high functioning (n = 31) subgroups based on functioning level measured by Global Assessment of Functioning Scale score. Groups were subjected to neurocognitive and clinical assessment...
March 2017: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28383566/adventures-in-developing-an-app-for-covert-hepatic-encephalopathy
#19
Jasmohan S Bajaj
Patient-reported outcomes (PRO) are critical to understand the spectrum of disease in chronic conditions but are often ignored in clinical practice. Cirrhosis, one of the leading causes of morbidity, is associated with severely impaired PROs likely due to covert hepatic encephalopathy (CHE). The clinical relevance and logistic barriers to routine CHE testing led us to develop the "EncephalApp Stroop App", which is now being used to diagnose CHE. The Primer discusses this example which can potentially be applied to other diseases...
April 6, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28374837/effect-of-vitamin-d-replacement-on-cognition-in-multiple-sclerosis-patients
#20
Hala Darwish, Ribal Haddad, Sahar Osman, Stephanie Ghassan, Bassem Yamout, Hani Tamim, Samia Khoury
Multiple Sclerosis is associated with deficient serum 25 hydroxyvitamin D (25 (OH)D) level and cognitive impairment. The aim of this study is to evaluate cognitive performance in MS patients with deficient 25 (OH)D (<25 ng/ml) compared to patients with sufficient levels (>35 ng/ml), then to evaluate the change in cognitive performance after 3 months of vitamin D3 oral replacement. Eighty-eight MS patients with relapsing remitting and clinically isolated type of MS, older than 18 years treated with interferon beta were enrolled...
April 4, 2017: Scientific Reports
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