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Executive function

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https://www.readbyqxmd.com/read/28222563/afferent-electrical-stimulation-during-cycling-improves-spinal-processing-of-sensorimotor-function-after-incomplete-spinal-cord-injury
#1
Stefano Piazza, Diego Serrano-Muñoz, Julio Gómez-Soriano, Diego Torricelli, Antonio Segura-Fragosa, José Luis Pons, Julian Taylor
OBJECTIVE: Appropriate afferent feedback delivery during the execution of motor tasks is important for rehabilitation after incomplete spinal cord injury (iSCI). However, during leg-cycling therapy, the plantar afferent feedback is minimal. We hypothesize that the augmentation of sensory input by combining cycling with a locomotor-like stimulation of plantar cutaneous innervations (ES-cycling), might help to restore proper spinal processing of sensorimotor function. METHODS: 13 non-injured subjects and 10 subjects with iSCI performed 10 minutes of cycling and, on another session, of ES-cycling...
February 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222559/brain-activity-during-a-lower-limb-functional-task-in-a-real-and-virtual-environment-a-comparative-study
#2
Thaiana Barbosa Ferreira Pacheco, Isabelle Ananda Oliveira Rego, Tania Fernandes Campos, Fabrícia Azevedo da Costa Cavalcanti
BACKGROUND: Virtual Reality (VR) has been contributing to Neurological Rehabilitation because of its interactive and multisensory nature, providing the potential of brain reorganization. Given the use of mobile EEG devices, there is the possibility of investigating how the virtual therapeutic environment can influence brain activity. OBJECTIVE: To compare theta, alpha, beta and gamma power in healthy young adults during a lower limb motor task in a virtual and real environment...
February 8, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222343/motor-skills-in-kindergarten-internal-structure-cognitive-correlates-and-relationships-to-background-variables
#3
Nicole Oberer, Venera Gashaj, Claudia M Roebers
The present study aimed to contribute to the discussion about the relation between motor coordination and executive functions in preschool children. Specifically, the relation between gross and fine motor skills and executive functions as well as the relation to possible background variables (SES, physical activity) were investigated. Based on the data of N=156 kindergarten children the internal structure of motor skills was investigated and confirmed the theoretically assumed subdivision of gross and fine motor skills...
February 17, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28222312/visual-attention-in-violent-offenders-susceptibility-to-distraction
#4
Jantine Slotboom, Sylco S Hoppenbrouwers, Yvonne H A Bouman, Willem In 't Hout, Carmen Sergiou, Stefan van der Stigchel, Jan Theeuwes
Impairments in executive functioning give rise to reduced control of behavior and impulses, and are therefore a risk factor for violence and criminal behavior. However, the contribution of specific underlying processes remains unclear. A crucial element of executive functioning, and essential for cognitive control and goal-directed behavior, is visual attention. To further elucidate the importance of attentional functioning in the general offender population, we employed an attentional capture task to measure visual attention...
February 16, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28220500/neuroplus-biofeedback-improves-attention-resilience-and-injury-prevention-in-elite-soccer-players
#5
Aiace Rusciano, Giuliano Corradini, Ivilin Stoianov
Performance and injury prevention in elite soccer players are typically investigated from physical-tactical, biomechanical, and metabolic perspectives. However, executive functions, visuospatial abilities, and psychophysiological adaptability or resilience are also fundamental for efficiency and well-being in sports. Based on previous research associating autonomic flexibility with prefrontal cortical control, we designed a novel integrated autonomic biofeedback training method called Neuroplus to improve resilience, visual attention, and injury prevention...
February 21, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28220477/parent-child-learning-interactions-a-review-of-the-literature-on-scaffolding
#6
Roni Mermelshtine
BACKGROUND: Scaffolding can be observed during learning-based interactions, when interventions by parents are adjusted according to children's observed abilities, with the main goal of enabling the child to work independently (Wood et al., 1976, Journal of child psychology and psychiatry, 17, 89). Such contingent instruction behaviours occur from infancy, and are said to be relevant for children's development of executive function, language acquisition, and cognitive and academic abilities...
February 21, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/28220288/social-cognition-according-to-cognitive-impairment-in-different-clinical-phenotypes-of-multiple-sclerosis
#7
Cecile Dulau, Mathilde Deloire, Helene Diaz, Aurore Saubusse, Julie Charre-Morin, Antoinette Prouteau, Bruno Brochet
The objective of this study is to evaluate the relationship between social cognition (SC) and cognitive impairment in persons with multiple sclerosis (PwMS). A prospective study was conducted in 60 PwMS, 30 with relapsing-remitting MS (RRMS), 15 with secondary progressive MS (SPMS) and 15 with primary progressive MS (PPMS), and in healthy subjects (HS). All subjects were assessed by the Bordeaux Social Cognition Evaluation Protocol (PECS-B) (facial emotion recognition, theory of mind, emotional awareness and cognitive and affective alexithymia), by a large neuropsychological battery and by questionnaires (depression and anxiety)...
February 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28220087/mental-state-understanding-in-children-with-agenesis-of-the-corpus-callosum
#8
Beatrix Lábadi, Anna M Beke
Impaired social functioning is a well-known outcome of individuals with agenesis of the corpus callosum. Social deficits in nonliteral language comprehension, humor, social reasoning, and recognition of facial expression have all been documented in adults with agenesis of the corpus callosum. In the present study, we examined the emotional and mentalizing deficits that contributing to the social-cognitive development in children with isolated corpus callosum agenesia, including emotion recognition, theory of mind, executive function, working memory, and behavioral impairments as assessed by the parents...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28219751/evidence-for-a-role-of-corticopetal-noradrenergic-systems-in-the-development-of-executive-function
#9
David J Mokler, Christine E Miller, Jill A McGaughy
Adolescence is a period during which many aspects of executive function are maturing. Much of the literature has focused on discrepancies between sub-cortical and cortical development that is hypothesized to lead to over-processing of reinforcement related stimuli unchecked by fully matured response inhibition. Specifically, maturation of sub-cortical dopaminergic systems that terminate in the nucleus accumbens has been suggested to occur prior to the full maturation of corticopetal dopaminergic systems. However, converging evidence supports the hypothesis that many aspects of cognitive control are critically linked to cortical noradrenergic systems, that the effectiveness of drugs used to treat disorders of executive function, e...
February 17, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28219620/brain-structural-correlates-of-executive-and-social-cognition-profiles-in-behavioral-variant-frontotemporal-dementia-and-elderly-bipolar-disorder
#10
Sandra Baez, Clara Pinasco, María Roca, Jesica Ferrari, Blas Couto, Indira García-Cordero, Agustín Ibañez, Francy Cruz, Pablo Reyes, Diana Matallana, Facundo Manes, Marcelo Cetcovich, Teresa Torralva
An early stage of behavioral variant frontotemporal dementia (bvFTD) often displays a mix of behavioral disturbances and personality changes hindering a differential diagnosis from elderly bipolar disorder (BD), making this process a big challenge. However, no studies have compared these pathologies from neuropsychological and neuroanatomical perspectives. The aim of the present study was to compare the executive functions (EF) and social cognition profiles as well as the structural neuroimaging of bvFTD and elderly patients with BD...
February 17, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28219026/cognitive-remediation-and-social-cognitive-training-for-violence-in-schizophrenia-a-systematic-review
#11
REVIEW
C Darmedru, C Demily, N Franck
: A significant correlation exists between violence and schizophrenia (SCZ). Recent studies matched some cognitive deficits like strong risk factors for violence with interesting applications in terms of treatment. Our objective was to conduct a systematic review of the effectiveness of cognitive remediation (CR) and social cognitive training (SCT) in the management of violent and aggressive behaviors in SCZ. METHODS: The electronic databases Pubmed, Web of Science, Cochrane Library and ScienceDirect were searched in, using combinations of terms relating to SCZ, CR and violence...
February 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28218781/study-on-the-effects-of-blueberry-treatment-on-histone-acetylation-modification-of-ccl4-induced-liver-disease-in-rats
#12
W Zhan, X Liao, T Tian, L Yu, X Liu, B Li, J Liu, B Han, R J Xie, Q H Ji, Q Yang
The objective of this study was to investigate the effects of blueberry treatment on histone acetylation modification of carbon tetrachloride (CCl4)-induced liver disease in rats. Laboratory rats were randomly divided into control, hepatic fibrosis, blueberry treatment, blueberry intervention, and natural recovery groups. Rats in the model groups were treated with CCl4 administered subcutaneously at 4- and 8-week intervals, and then executed. Both the 4- and 8-week treatment groups were treated with blueberry juice for 8 weeks, and then executed after 12 and 16 weeks, respectively...
February 16, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28218530/ultrafast-excited-state-dynamics-in-a-molecular-motors-coupling-of-motor-length-to-medium-viscosity
#13
Jamie Conyard, Peter Stacko, Jiawen Chen, Sophie McDonagh, Christopher R Hall, Sergey P Laptenok, Wesley R Browne, Ben L Feringa, Stephen R Meech
Photochemically driven molecular motors convert the energy of incident radiation to intramolecular rotational motion. The motor molecules considered here execute four step unidirectional rotational motion. This comprises a pair of successive light induced isomerizations to a metastable state followed by thermal helix inversions. The internal rotation of a large molecular unit required in these steps is expected to be sensitive to both the viscosity of the medium and the volume of the rotating unit. In this work we describe a study of motor motion in both ground and excited states as a function of the size of the rotating units...
February 20, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28217133/a-perspective-on-crn-proteins-in-the-genomics-age-evolution-classification-delivery-and-function-revisited
#14
REVIEW
Tiago M M M Amaro, Gaëtan J A Thilliez, Graham B Motion, Edgar Huitema
Plant associated microbes rely on secreted virulence factors (effectors) to modulate host immunity and ensure progressive infection. Amongst the secreted protein repertoires defined and studied in pathogens to date, the CRNs (for CRinkling and Necrosis) have emerged as one of only a few highly conserved protein families, spread across several kingdoms. CRN proteins were first identified in plant pathogenic oomycetes where they were found to be modular factors that are secreted and translocated inside host cells by means of a conserved N-terminal domain...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28215989/klotho-regulates-ca1-hippocampal-synaptic-plasticity
#15
Qin Li, Hai T Vo, Jing Wang, Stephanie Fox-Quick, Lynn E Dobrunz, Gwendalyn D King
Global klotho overexpression extends lifespan while global klotho-deficiency shortens it. As well, klotho protein manipulations inversely regulate cognitive function. Mice without klotho develop rapid onset cognitive impairment before they are 2months old. Meanwhile, adult mice overexpressing klotho show enhanced cognitive function, particularly in hippocampal-dependent tasks. The cognitive enhancing effects of klotho extend to humans with a klotho polymorphism that increases circulating klotho and executive function...
February 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28215728/domain-specific-accuracy-of-the-montreal-cognitive-assessment-subsections-in-parkinson-s-disease
#16
Taylor R Hendershott, Delphine Zhu, Seoni Llanes, Kathleen L Poston
OBJECTIVE: The Montreal Cognitive Assessment (MoCA) is among the most widely adopted screening tools for cognitive impairment because it includes tests in multiple domains and is available in 55 languages. The MoCA is often the only formal cognitive assessment available when comprehensive neuropsychological testing is not practical, such as rural clinical settings or large retrospective and multi-lingual research settings. However, the MoCA domain-specific subsections have never been formally assessed for sensitivity or specificity...
February 7, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28215622/on-the-neural-basis-of-sensory-weighting-alpha-beta-and-gamma-modulations-during-complex-movements
#17
Nicolas Lebar, Jérémy Danna, Simon Moré, Laurence Mouchnino, Jean Blouin
Previous studies have revealed that visual and somatosensory information is processed as a function of its relevance during movement execution. We thus performed spectral decompositions of ongoing neural activities within the somatosensory and visual areas while human participants performed a complex visuomotor task. In this task, participants followed the outline of irregular polygons with a pen-controlled cursor. At unpredictable times, the motion of the cursor deviated 120° with respect to the actual pen position creating an incongruence between visual and somatosensory inputs, thus increasing the importance of visual feedback to control the movement as suggested in previous studies...
February 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28215426/the-impact-of-transsphenoidal-surgery-on-neurocognitive-function-a-systematic-review
#18
REVIEW
Adnan Alsumali, David J Cote, Quentin R Regestein, Erin Crocker, Abdulaziz Alzarea, Hasan A Zaidi, Wenya Linda Bi, Hassan Y Dawood, Marike L Broekman, Martine J E van Zandvoort, Rania A Mekary, Timothy R Smith
BACKGROUND: Cognitive impairment following transsphenoidal surgery (TSS) among patients with pituitary tumors has been intermittently reported and is not well established. We performed a systematic review to summarize the impact of TSS on cognitive function. METHODS: We conducted a systematic search of the literature using the PubMed, Cochrane, and Embase databases through October 2014. Studies were selected if they reported cognitive status after surgery and included at least 10 adult patients with pituitary tumors undergoing either endoscopic or microscopic TSS...
February 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28214578/increasing-lateralized-motor-activity-in-younger-and-older-adults-using-real-time-fmri-during-executed-movements
#19
Heather F Neyedli, Cassandra Sampaio-Baptista, Matthew A Kirkman, David Havard, Michael Lührs, Katie Ramsden, David D Flitney, Stuart Clare, Rainer Goebel, Heidi Johansen-Berg
Neurofeedback training involves presenting an individual with a representation of their brain activity and instructing them to alter the activity using the feedback. One potential application of neurofeedback is for patients to alter neural improve function. For example, there is evidence that greater laterality of movement-related activity is associated with better motor outcomes after stroke; so using neurofeedback to increase laterality may provide a novel route for improving outcomes. However, we must demonstrate that individuals can control relevant neurofeedback signals...
February 15, 2017: Neuroscience
https://www.readbyqxmd.com/read/28214234/reablement-reactivation-rehabilitation-and-restorative-interventions-with-older-adults-in-receipt-of-home-care-a-systematic-review
#20
REVIEW
Joanie Sims-Gould, Catherine E Tong, Lutetia Wallis-Mayer, Maureen C Ashe
OBJECTIVE: To systematically review the impact of reablement, reactivation, rehabilitation, and restorative (4R) programs for older adults in receipt of home care services. DESIGN: Systematic review. DATA SOURCES: We searched the following electronic bibliographic databases: MEDLINE, EMBASE, PsycINFO, CINAHL (Cumulative Index to Nursing and Allied Health), SPORTDiscus and The Cochrane Library and reference lists. STUDY SELECTION: Randomized controlled trials that describe original data on the impact of home-based rehabilitative care and were written in English...
February 14, 2017: Journal of the American Medical Directors Association
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