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Frontiers in Human Neuroscience

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https://www.readbyqxmd.com/read/27920673/editorial-dialogues-in-music-therapy-and-music-neuroscience-collaborative-understanding-driving-clinical-advances
#1
EDITORIAL
Julian O'Kelly, Jörg C Fachner, Mari Tervaniemi
No abstract text is available yet for this article.
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27917119/corrigendum-multisensory-integration-of-dynamic-emotional-faces-and-voices-method-for-simultaneous-eeg-fmri-measurements
#2
Patrick D Schelenz, Martin Klasen, Barbara Reese, Christina Regenbogen, Dhana Wolf, Yutaka Kato, Klaus Mathiak
[This corrects the article on p. 729 in vol. 7, PMID: 24294195.].
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27917118/no-correlation-between-distorted-body-representations-underlying-tactile-distance-perception-and-position-sense
#3
Matthew R Longo, Rosa Morcom
Both tactile distance perception and position sense are believed to require that immediate afferent signals be referenced to a stored representation of body size and shape (the body model). For both of these abilities, recent studies have reported that the stored body representations involved are highly distorted, at least in the case of the hand, with the hand dorsum represented as wider and squatter than it actually is. Here, we investigated whether individual differences in the magnitude of these distortions are shared between tactile distance perception and position sense, as would be predicted by the hypothesis that a single distorted body model underlies both tasks...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27917117/training-on-working-memory-and-inhibitory-control-in-young-adults
#4
Maria J Maraver, M Teresa Bajo, Carlos J Gomez-Ariza
Different types of interventions have focused on trying to improve Executive Functions (EFs) due to their essential role in human cognition and behavior regulation. Although EFs are thought to be diverse, most training studies have targeted cognitive processes related to working memory (WM), and fewer have focused on training other control mechanisms, such as inhibitory control (IC). In the present study, we aimed to investigate the differential impact of training WM and IC as compared with control conditions performing non-executive control activities...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27917116/preliminary-evidence-of-apathetic-like-behavior-in-aged-vesicular-monoamine-transporter-2-deficient-mice
#5
Aron Baumann, Carlos G Moreira, Marta M Morawska, Sophie Masneuf, Christian R Baumann, Daniela Noain
Apathy is considered to be a core feature of Parkinson's disease (PD) and has been associated with a variety of states and symptoms of the disease, such as increased severity of motor symptoms, impaired cognition, executive dysfunction and dementia. Apart from the high prevalence of apathy in PD, which is estimated to be about 40%, the underlying pathophysiology remains poorly understood and current treatment approaches are unspecific and proved to be only partially effective. In animal models, apathy has been sub-optimally modeled, mostly by means of pharmacological and stress-induced methods, whereby concomitant depressive-like symptoms could not be ruled out...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27909404/prefrontal-cortex-activity-is-associated-with-biobehavioral-components-of-the-stress-response
#6
Muriah D Wheelock, Nathaniel G Harnett, Kimberly H Wood, Tyler R Orem, Douglas A Granger, Sylvie Mrug, David C Knight
Contemporary theory suggests that prefrontal cortex (PFC) function is associated with individual variability in the psychobiology of the stress response. Advancing our understanding of this complex biobehavioral pathway has potential to provide insight into processes that determine individual differences in stress susceptibility. The present study used functional magnetic resonance imaging to examine brain activity during a variation of the Montreal Imaging Stress Task (MIST) in 53 young adults. Salivary cortisol was assessed as an index of the stress response, trait anxiety was assessed as an index of an individual's disposition toward negative affectivity, and self-reported stress was assessed as an index of an individual's subjective psychological experience...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27909403/cortical-sensorimotor-processing-of-painful-pressure-in-patients-with-chronic-lower-back-pain-an-optical-neuroimaging-study-using-fnirs
#7
Andrea Vrana, Michael L Meier, Sabina Hotz-Boendermaker, Barry K Humphreys, Felix Scholkmann
In this study we investigated sensorimotor processing of painful pressure stimulation on the lower back of patients with chronic lower back pain (CLBP) by using functional near-infrared spectroscopy (fNIRS) to measure changes in cerebral hemodynamics and oxygenation. The main objectives were whether patients with CLBP show different relative changes in oxy- and deoxyhemoglobin ([O2Hb] and [HHb]) in the supplementary motor area (SMA) and primary somatosensory cortex (S1) compared to healthy controls (HC). Twelve patients with CLBP (32 ± 6...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27909402/upright-perception-and-ocular-torsion-change-independently-during-head-tilt
#8
Jorge Otero-Millan, Amir Kheradmand
We maintain a stable perception of the visual world despite continuous movements of our eyes, head and body. Perception of upright is a key aspect of such orientation constancy. Here we investigated whether changes in upright perception during sustained head tilt were related to simultaneous changes in torsional position of the eyes. We used a subjective visual vertical (SVV) task, modified to track changes in upright perception over time, and a custom video method to measure ocular torsion simultaneously. We tested 12 subjects in upright position, during prolonged (~15 min) lateral head tilts of 20 degrees, and also after the head returned to upright position...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27899889/anodal-tdcs-to-right-dorsolateral-prefrontal-cortex-facilitates-performance-for-novice-jazz-improvisers-but-hinders-experts
#9
David S Rosen, Brian Erickson, Youngmoo E Kim, Daniel Mirman, Roy H Hamilton, John Kounios
Research on creative cognition reveals a fundamental disagreement about the nature of creative thought, specifically, whether it is primarily based on automatic, associative (Type-1) or executive, controlled (Type-2) processes. We hypothesized that Type-1 and Type-2 processes make differential contributions to creative production that depend on domain expertise. We tested this hypothesis with jazz pianists whose expertise was indexed by the number of public performances given. Previous fMRI studies of musical improvisation have reported that domain expertise is characterized by deactivation of the right-dorsolateral prefrontal cortex (r-DLPFC), a brain area associated with Type-2 executive processing...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27899888/neurophysiological-characterization-of-subacute-stroke-patients-a-longitudinal-study
#10
Giuseppe Lamola, Chiara Fanciullacci, Giada Sgherri, Federica Bertolucci, Alessandro Panarese, Silvestro Micera, Bruno Rossi, Carmelo Chisari
Various degrees of neural reorganization may occur in affected and unaffected hemispheres in the early phase after stroke and several months later. Recent literature suggests to apply a stratification based on lesion location and to consider patients with cortico-subcortical and subcortical strokes separately: different lesion location may also influence therapeutic response. In this study we used a longitudinal approach to perform TMS assessment (Motor Evoked Potentials, MEP, and Silent Period, SP) and clinical evaluations (Barthel Index, Fugl-Meyer Assessment for upper limb motor function and Wolf Motor Function Test) in 10 cortical-subcortical and 10 subcortical ischemic stroke patients...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27899887/saccadic-adaptation-alters-the-attentional-field
#11
Farahnaz A Wick, Tyler W Garaas, Marc Pomplun
It is currently unknown whether changes to the oculomotor system can induce changes to the distribution of spatial attention around a fixated target. Previous studies have used perceptual performance tasks to show that adaptation of saccadic eye movements affects dynamic properties of visual attention, in particular, attentional shifts to a cued location. In this study, we examined the effects of saccadic adaptation on the static distribution of visual attention around fixation (attentional field). We used the classic double step adaptation procedure and a flanker task to test for differences in the attentional field after forward and backward adaptation...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27899886/relearning-and-retaining-personally-relevant-words-using-computer-based-flashcard-software-in-primary-progressive-aphasia
#12
William S Evans, Megan Quimby, Michael Walsh Dickey, Bradford C Dickerson
Although anomia treatments have often focused on training small sets of words in the hopes of promoting generalization to untrained items, an alternative is to directly train a larger set of words more efficiently. The current case study reports on a novel treatment for a patient with semantic variant Primary Progressive Aphasia (svPPA), in which the patient was taught to make and practice flashcards for personally-relevant words using an open-source computer program (Anki). Results show that the patient was able to relearn and retain a large subset of her studied words for up to 20 months, the full duration of the study period...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895573/prediction-signatures-in-the-brain-semantic-pre-activation-during-language-comprehension
#13
Burkhard Maess, Fahimeh Mamashli, Jonas Obleser, Liisa Helle, Angela D Friederici
There is broad agreement that context-based predictions facilitate lexical-semantic processing. A robust index of semantic prediction during language comprehension is an evoked response, known as the N400, whose amplitude is modulated as a function of semantic context. However, the underlying neural mechanisms that utilize relations of the prior context and the embedded word within it are largely unknown. We measured magnetoencephalography (MEG) data while participants were listening to simple German sentences in which the verbs were either highly predictive for the occurrence of a particular noun (i...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895572/plastic-changes-in-human-motor-cortical-output-induced-by-random-but-not-closed-loop-peripheral-stimulation-the-curse-of-causality
#14
Kenneth I Brown, Elizabeth R Williams, Felipe de Carvalho, Stuart N Baker
Previous work showed that repetitive peripheral nerve stimulation can induce plastic changes in motor cortical output. Triggering electrical stimulation of central structures from natural activity can also generate plasticity. In this study, we tested whether triggering peripheral nerve stimulation from muscle activity would likewise induce changes in motor output. We developed a wearable electronic device capable of recording electromyogram (EMG) and delivering electrical stimulation under closed-loop control...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895571/neural-mechanisms-of-positive-mood-induced-modulation-of-reality-monitoring
#15
Karuna Subramaniam, Jeevit Gill, Patrick Slattery, Aditi Shastri, Daniel H Mathalon, Srikantan Nagarajan, Sophia Vinogradov
This study investigates the neural mechanisms of mood induced modulation of cognition, specifically, on reality monitoring abilities. Reality monitoring is the ability to accurately distinguish the source of self-generated information from externally-presented contextual information. When participants were in a positive mood, compared to a neutral mood, they significantly improved their source memory identification abilities, particularly for self-generated information. However, being in a negative mood had no effect on reality monitoring abilities...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895570/sex-differences-in-gray-matter-volume-of-the-right-anterior-hippocampus-explain-sex-differences-in-three-dimensional-mental-rotation
#16
Wei Wei, Chuansheng Chen, Qi Dong, Xinlin Zhou
Behavioral studies have reported that males perform better than females in 3-dimensional (3D) mental rotation. Given the important role of the hippocampus in spatial processing, the present study investigated whether structural differences in the hippocampus could explain the sex difference in 3D mental rotation. Results showed that after controlling for brain size, males had a larger anterior hippocampus, whereas females had a larger posterior hippocampus. Gray matter volume (GMV) of the right anterior hippocampus was significantly correlated with 3D mental rotation score...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895569/influence-of-lumbar-muscle-fatigue-on-trunk-adaptations-during-sudden-external-perturbations
#17
Jacques Abboud, François Nougarou, Arnaud Lardon, Claude Dugas, Martin Descarreaux
Introduction: When the spine is subjected to perturbations, neuromuscular responses such as reflex muscle contractions contribute to the overall balance control and spinal stabilization mechanisms. These responses are influenced by muscle fatigue, which has been shown to trigger changes in muscle recruitment patterns. Neuromuscular adaptations, e.g., attenuation of reflex activation and/or postural oscillations following repeated unexpected external perturbations, have also been described. However, the characterization of these adaptations still remains unclear...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895568/feasibility-of-a-mobile-cognitive-intervention-in-childhood-absence-epilepsy
#18
Peter Glynn, Soyong Eom, Frank Zelko, Sookyong Koh
Children with childhood absence epilepsy (CAE) frequently present with cognitive comorbidities and school performance concerns. The present study evaluated the feasibility of an intervention for such comorbidities using a mobile cognitive therapy application on an iPad. Eight children with CAE and school concerns aged 7-11 participated in a 4-week intervention. They were asked to use the application for 80 min per week (20 min/day, 4 times/week). Parents and children completed satisfaction surveys regarding the application...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895567/cognitive-processing-in-non-communicative-patients-what-can-event-related-potentials-tell-us
#19
Zulay R Lugo, Lucia R Quitadamo, Luigi Bianchi, Fréderic Pellas, Sandra Veser, Damien Lesenfants, Ruben G L Real, Cornelia Herbert, Christoph Guger, Boris Kotchoubey, Donatella Mattia, Andrea Kübler, Steven Laureys, Quentin Noirhomme
Event-related potentials (ERP) have been proposed to improve the differential diagnosis of non-responsive patients. We investigated the potential of the P300 as a reliable marker of conscious processing in patients with locked-in syndrome (LIS). Eleven chronic LIS patients and 10 healthy subjects (HS) listened to a complex-tone auditory oddball paradigm, first in a passive condition (listen to the sounds) and then in an active condition (counting the deviant tones). Seven out of nine HS displayed a P300 waveform in the passive condition and all in the active condition...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27895566/allostatic-self-efficacy-a-metacognitive-theory-of-dyshomeostasis-induced-fatigue-and-depression
#20
Klaas E Stephan, Zina M Manjaly, Christoph D Mathys, Lilian A E Weber, Saee Paliwal, Tim Gard, Marc Tittgemeyer, Stephen M Fleming, Helene Haker, Anil K Seth, Frederike H Petzschner
This paper outlines a hierarchical Bayesian framework for interoception, homeostatic/allostatic control, and meta-cognition that connects fatigue and depression to the experience of chronic dyshomeostasis. Specifically, viewing interoception as the inversion of a generative model of viscerosensory inputs allows for a formal definition of dyshomeostasis (as chronically enhanced surprise about bodily signals, or, equivalently, low evidence for the brain's model of bodily states) and allostasis (as a change in prior beliefs or predictions which define setpoints for homeostatic reflex arcs)...
2016: Frontiers in Human Neuroscience
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