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https://www.readbyqxmd.com/read/28229986/executive-function-training-for-children-with-attention-deficit-hyperactivity-disorder
#1
Lan Shuai, David Daley, Yu-Feng Wang, Jin-Song Zhang, Yan-Ting Kong, Xin Tan, Ning Ji
BACKGROUND: Accumulating evidence indicates that attention deficit hyperactivity disorder (ADHD) is associated with core deficits in executive function (EF) which predicts poorer academic and occupational functioning. This makes early intervention targeting EF impairments important to prevent long-term negative outcomes. Cognitive training is a potential ADHD treatment target. The present study aimed to explore the efficacy, feasibility, and acceptability of a cognitive training program (targeting child's multiple EF components and involving parent support in daily life), as a nonpharmacological intervention for children with ADHD...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28229372/measuring-inhibition-and-cognitive-flexibility-in-friedreich-ataxia
#2
Louise A Corben, Felicity Klopper, Monique Stagnitti, Nellie Georgiou-Karistianis, John L Bradshaw, Gary Rance, Martin B Delatycki
Friedreich ataxia (FRDA) is an autosomal recessive neurodegenerative disorder with subtle impact on cognition. Inhibitory processes and cognitive flexibility were examined in FRDA by assessing the ability to suppress a predictable verbal response. We administered the Hayling Sentence Completion Test (HSCT), the Trail Making Test, and the Stroop Test to 43 individuals with FRDA and 42 gender- and age-matched control participants. There were no significant group differences in performance on the Stroop or Trail Making Test whereas significant impairment in cognitive flexibility including the ability to predict and inhibit a pre-potent response as measured in the HSCT was evident in individuals with FRDA...
February 22, 2017: Cerebellum
https://www.readbyqxmd.com/read/28229298/ego-depletion-in-visual-perception-ego-depleted-viewers-experience-less-ambiguous-figure-reversal
#3
Marina C Wimmer, Steven Stirk, Peter J B Hancock
This study examined the effects of ego depletion on ambiguous figure perception. Adults (N = 315) received an ego depletion task and were subsequently tested on their inhibitory control abilities that were indexed by the Stroop task (Experiment 1) and their ability to perceive both interpretations of ambiguous figures that was indexed by reversal (Experiment 2). Ego depletion had a very small effect on reducing inhibitory control (Cohen's d = .15) (Experiment 1). Ego-depleted participants had a tendency to take longer to respond in Stroop trials...
February 22, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28227804/novel-dry-electrodes-for-recording-electrodermal-activity
#4
Hugo F Posada-Quintero, Ryan Rood, Yeonsik Noh, Ken Burnham, John Pennace, Ki H Chon, Hugo F Posada-Quintero, Ryan Rood, Yeonsik Noh, Ken Burnham, John Pennace, Ki H Chon, Ryan Rood, John Pennace, Ki H Chon, Hugo F Posada-Quintero, Ken Burnham, Yeonsik Noh
Novel carbon/salt adhesive (CSA) electrodes have been found suitable for collecting electrodermal activity (EDA) signals. Ag/AgCl electrodes are considered the standard for collecting EDA signals, because it highly avoids electrodes' polarization. Ag is an expensive commodity. Furthermore, a hydrogel layer is needed for the Ag/AgCl electrodes to collect EDA signals. Adding hydrogel to the electrodes is a cumbersome process. Aforementioned circumstances highlight the need for a more accessible media to collect these signals, allowing EDA use to spread...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227092/eeg-based-single-trial-detection-of-errors-from-multiple-error-related-brain-activity
#5
Guofa Shou, Lei Ding, Guofa Shou, Lei Ding, Guofa Shou, Lei Ding
A key ability of the human brain is to monitor erroneous events and adjust behaviors accordingly. Electrophysiological and neuroimaging studies have demonstrated different brain activities related to errors. Meanwhile, the recognition of error-related brain activity as one aspect of performance monitoring has been reported for potential applications in clinical neuroscience and brain-machine interface, where single-trial analysis and classification would provide novel insights on dynamic brain responses to errors...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226827/analysis-of-loss-of-alertness-due-to-cognitive-fatigue-using-motif-synchronization-of-eeg-records
#6
Anwesha Sengupta, Abhishek Tiwari, Aritra Chaudhuri, Aurobinda Routray, Anwesha Sengupta, Abhishek Tiwari, Aritra Chaudhuri, Aurobinda Routray, Aurobinda Routray, Anwesha Sengupta, Aritra Chaudhuri, Abhishek Tiwari
Continuous and repetitive performance of cognitive tasks is likely to cause a change in the alertness levels of an individual. The present paper investigates the changes in EEG as a marker of alertness during an experiment designed to induce cognitive fatigue in subjects by continuous and repetitive performance of standard neuropsychological tests. Electroencephalogram (EEG), speech data and high-speed ocular images are recorded during the task set comprising of an Auditory Response Test (ART) Psychomotor Vigilance Test (PVT), a Letter Counting (LC) task, and a variant of the Stroop Task...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226306/task-dependent-modulation-of-amygdala-connectivity-in-social-anxiety-disorder
#7
Lora Minkova, Ronald Sladky, Georg S Kranz, Michael Woletz, Nicole Geissberger, Christoph Kraus, Rupert Lanzenberger, Christian Windischberger
Increased amygdala activation is consistently found in patients suffering from social anxiety disorder (SAD), a psychiatric condition characterized by an intense fear of social situations and scrutiny. Disruptions in the amygdalar-frontal network in SAD may explain the inability of frontal regions to appropriately down-regulate amygdalar hyper-activation. In this study, we measured 15 SAD patients and 15 healthy controls during an affective counting Stroop task with emotional faces to assess the interaction of affective stimuli with a cognitive task in SAD, as well as to investigate the causal interactions between the amygdala and the medial orbitofrontal cortex (OFC) using dynamic causal modeling (DCM)...
February 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28207976/does-increased-physical-activity-in-school-affect-children-s-executive-function-and-aerobic-fitness
#8
Silje Eikanger Kvalø, Edvin Bru, Kolbjørn Brønnick, Sindre M Dyrstad
This study seeks to explore if increased PA in school affects children's executive function and aerobic fitness. The "Active school" study was a 10-month randomized controlled trial. The sample included 449 children (10-11 years old) in five intervention and four control schools. The weekly interventions were 2x45 min physically active academic lessons, 5x10 min physically active breaks and 5x10 min physically active homework. Aerobic fitness was measured using a 10-min interval running test. Executive function was tested using four cognitive tests (Stroop, verbal fluency, digit span and Trail Making)...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28205364/altered-neural-mechanisms-of-cognitive-control-in-patients-with-primary-progressive-multiple-sclerosis-an-effective-connectivity-study
#9
Ekaterina Dobryakova, Maria Assunta Rocca, Paola Valsasina, John DeLuca, Massimo Filippi
Primary progressive multiple sclerosis (PPMS) leads to physical and cognitive disability. Specifically, cognitive deficits in PPMS have been explained by both grey matter atrophy and white matter lesions. However, existing research still lacks in the understanding of how the brain of a patient with PPMS functions under cognitive control demands. Thus, the aim of the current study was to examine information integration in patients with PPMS using a search-based effective connectivity method. Fourteen patients with PPMS and 22 age- and gender-matched healthy controls (HC) performed the Stroop task, a cognitively demanding interference task that taxes neural resources required for cognitive control and response inhibition...
February 16, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28203218/the-influence-of-working-memory-load-on-expectancy-based-strategic-processes-in-the-stroop-priming-task
#10
Juan J Ortells, Dolores Álvarez, Carmen Noguera, Encarna Carmona, Jan W de Fockert
The present study investigated whether a differential availability of cognitive control resources as a result of varying working memory (WM) load could affect the capacity for expectancy-based strategic actions. Participants performed a Stroop-priming task in which a prime word (GREEN or RED) was followed by a colored target (red vs. green) that participants had to identify. The prime was incongruent or congruent with the target color on 80 and 20% of the trials, respectively, and participants were informed about the differential proportion of congruent vs...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28199073/cognitive-control-deficits-differentiate-adolescent-suicide-ideators-from-attempters
#11
Jeremy G Stewart, Catherine R Glenn, Erika C Esposito, Christine B Cha, Matthew K Nock, Randy P Auerbach
OBJECTIVE: Mental illness and suicidal ideation are among the strongest correlates of suicidal behaviors, but few adolescents with these risk factors make a suicide attempt. Therefore, it is critical to identify factors associated with the transition from suicide ideation to attempts. The present study tested whether deficits in cognitive control in the context of suicide-relevant stimuli (ie, suicide interference) reliably differentiated adolescent ideators and attempters. METHODS: Adolescents (n = 99; 71 girls) aged 13-18 years (mean = 15...
February 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28197005/p300-and-neuropsychological-measurements-in-patients-with-schizophrenia-and-their-healthy-biological-siblings
#12
D Vijaya Raghavan, Arumugam Shanmugiah, P Bharathi, Ramasamy Jeyaprakash
BACKGROUND: Patients with schizophrenia and their first-degree relatives' exhibit abnormalities in neuropsychological and electrophysiological measures especially P300. The aim was to study the P300 and neuropsychological measures together in patients with schizophrenia, their unaffected siblings, and normal controls. MATERIALS AND METHODS: Thirty patients diagnosed as schizophrenia, their unaffected biological siblings, and normal controls were included in the study...
October 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28195520/creating-colored-letters-familial-markers-of-grapheme-color-synesthesia-in-parietal-lobe-activation-and-structure
#13
Olympia Colizoli, Jaap M J Murre, H Steven Scholte, Romke Rouw
Perception is inherently subjective, and individual differences in phenomenology are well illustrated by the phenomenon of synesthesia (highly specific, consistent, and automatic cross-modal experiences, in which the external stimulus corresponding to the additional sensation is absent). It is unknown why some people develop synesthesia and others do not. In the current study, we tested whether neural markers related to having synesthesia in the family were evident in brain function and structure. Relatives of synesthetes (who did not have any type of synesthesia themselves) and matched controls read specially prepared books with colored letters for several weeks and were scanned before and after reading using magnetic resonance imaging...
February 14, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28192769/disorganization-at-the-stage-of-schizophrenia-clinical-outcome-clinical-biological-study
#14
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/28192192/moderate-anxiety-modifies-the-electromyographic-activity-of-a-forearm-muscle-during-a-time-reaction-task-in-women
#15
C Langlet, J P Hainaut, B Bolmont
Arousal anxiety has a great impact on reaction time, physiological parameters and motor performance. Numerous studies have focused on the influence of anxiety on muscular activity during simple non ecologic task. We investigate the impact of a moderate state-anxiety (arousal stressor) on the specific component of a complex multi-joint ecologic movement during a reaction time task of auditory stimulus-response. Our objective is to know if central and peripheral voluntary motor processes were modulated in the same way by an arousal stressor...
February 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28188631/emotion-processing-and-psychosocial-functioning-in-euthymic-bipolar-disorder
#16
A Aparicio, J L Santos, E Jiménez-López, A Bagney, R Rodríguez-Jiménez, E M Sánchez-Morla
OBJECTIVE: To examine emotion processing in euthymic bipolar patients (EBP) compared to healthy controls. In addition, to determine whether or not there is an association between emotion processing and psychosocial functioning. MATERIAL AND METHODS: A sample of 60 EBP and 60 healthy controls matched for age, gender, education level, and premorbid intelligence were studied. All subjects were assessed using the MATRICS Consensus Cognitive Battery (MCCB) and two additional executive function measures: the Trail Making Test-Part B and the Stroop Test...
February 11, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28182503/do-glucose-and-caffeine-nasal-sprays-influence-exercise-and-or-cognitive-performance
#17
Kevin De Pauw, Bart Roelands, Jeroen Van Cutsem, Lieselot Decroix, Angelica Valente, Kim Taehee, Robert B LettanII, Andres E Carrillo, Romain Meeusen
INTRODUCTION/PURPOSE: Since nasal sprays (NAS) containing caffeine (CAF) or glucose (GLUC) activate sensory(motor) cortices, the aim of this study was to investigate the influence of CAF or GLUC-NAS on exercise and cognitive performance. METHODS: Eleven male subjects (Age: 22±2 yrs) performed a maximal cycle test, two familiarization and three experimental trials. Each trial included a 30 s Wingate test and a 30 min time-trial (TT) performance test interspersed by 15 min of rest...
February 9, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28182496/the-roles-of-sensory-function-and-cognitive-load-in-age-differences-in-inhibition-evidence-from-the-stroop-task
#18
Huamao Peng, Yue Gao, Xiaofei Mao
To explore the roles of visual function and cognitive load in aging of inhibition, the present study adopted a 2 (visual perceptual stress: noise, nonnoise) × 2 (cognitive load: low, high) × 2 (age: young, old) mixed design. The Stroop task was adopted to measure inhibition. The task presentation was masked with Gaussian noise according to the visual function of each individual in order to match visual perceptual stress between age groups. The results indicated that age differences in the Stroop effect were influenced by visual function and cognitive load...
February 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28182494/dynamic-adjustments-of-attentional-control-in-healthy-aging
#19
Andrew J Aschenbrenner, David A Balota
In standard attentional control tasks, interference effects are reduced following incongruent trials compared to congruent trials, a phenomenon known as the congruency sequence effect (CSE). Typical explanations of this effect suggest the CSE is due to changes in levels of control across adjacent trials. This interpretation has been questioned by the finding that older adults, individuals with impaired attentional control systems, have been shown to produce larger CSEs in the Stroop task compared with younger adult controls...
February 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28174031/the-role-of-emotional-inhibitory-control-in-specific-internet-addiction-an-fmri-study
#20
Julia Dieter, Sabine Hoffmann, Daniela Mier, Iris Reinhard, Martin Beutel, Sabine Vollstädt-Klein, Falk Kiefer, Karl Mann, Tagrid Leménager
BACKGROUND: Addicts to specific internet applications involving communication features showed increased social anxiety, emotional competence deficits and impaired prefrontal-related inhibitory control. The dorsal Anterior Cingulate Cortex (dACC) likely plays an important role in cognitive control and negative affect (such as social exclusion, pain or anxiety). AIM: To assess (social) anxiety-related inhibitory control in specific internet addiction (addicted use of games and social networks) and its relation to altered dACC activation...
February 4, 2017: Behavioural Brain Research
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