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Frontiers in Human Neuroscience

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https://www.readbyqxmd.com/read/29773985/addition-and-subtraction-but-not-multiplication-and-division-cause-shifts-of-spatial-attention
#1
Mengjin Li, Dixiu Liu, Min Li, Wenshan Dong, Yalun Huang, Qi Chen
Many studies have shown that solving addition and subtraction problems can induce overt shifts of spatial attention. In particular, right-side targets are detected faster than left-side targets when preceded by an addition operation, while left-side targets are detected faster than right-side targets when preceded by a subtraction operation. However, the interaction between space and arithmetic in multiplication or division is hardly studied and remains controversial. In order to make a strong case for the interaction between space and mental arithmetic, we attempted to replicate the spatial-arithmetic association in addition and subtraction (Experiment 1), and at the same time investigated whether shift of spatial attention would also be induced by multiplication or division operations (Experiment 2)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29773984/midfrontal-theta-and-posterior-parietal-alpha-band-oscillations-support-conflict-resolution-in-a-masked-affective-priming-task
#2
Jun Jiang, Kira Bailey, Xiao Xiao
Past attempts to characterize the neural mechanisms of affective priming have conceptualized it in terms of classic cognitive conflict, but have not examined the neural oscillatory mechanisms of subliminal affective priming. Using behavioral and electroencephalogram (EEG) time frequency (TF) analysis, the current study examines the oscillatory dynamics of unconsciously triggered conflict in an emotional facial expressions version of the masked affective priming task. The results demonstrate that the power dynamics of conflict are characterized by increased midfrontal theta activity and suppressed parieto-occipital alpha activity...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29773983/somatosensory-cross-modal-reorganization-in-adults-with-age-related-early-stage-hearing-loss
#3
Garrett Cardon, Anu Sharma
Under conditions of profound sensory deprivation, the brain has the propensity to reorganize. For example, intact sensory modalities often recruit deficient modalities' cortices for neural processing. This process is known as cross-modal reorganization and has been shown in congenitally and profoundly deaf patients. However, much less is known about cross-modal cortical reorganization in persons with less severe cases of age-related hearing loss (ARHL), even though such cases are far more common. Thus, we investigated cross-modal reorganization between the auditory and somatosensory modalities in older adults with normal hearing (NH) and mild-moderate ARHL in response to vibrotactile stimulation using high density electroencephalography (EEG)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29765313/can-tai-chi-and-qigong-postures-shape-our-mood-toward-an-embodied-cognition-framework-for-mind-body-research
#4
Kamila Osypiuk, Evan Thompson, Peter M Wayne
Dynamic and static body postures are a defining characteristic of mind-body practices such as Tai Chi and Qigong (TCQ). A growing body of evidence supports the hypothesis that TCQ may be beneficial for psychological health, including management and prevention of depression and anxiety. Although a variety of causal factors have been identified as potential mediators of such health benefits, physical posture, despite its visible prominence, has been largely overlooked. We hypothesize that body posture while standing and/or moving may be a key therapeutic element mediating the influence of TCQ on psychological health...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29765312/associations-between-daily-mood-states-and-brain-gray-matter-volume-resting-state-functional-connectivity-and-task-based-activity-in-healthy-adults
#5
Elmira Ismaylova, Jessica Di Sante, Jean-Philippe Gouin, Florence B Pomares, Frank Vitaro, Richard E Tremblay, Linda Booij
Numerous studies have shown differences in the functioning in the areas of the frontal-limbic circuitry between depressed patients and controls. However, current knowledge on frontal-limbic neural substrates of individual differences in mood states in everyday life in healthy individuals is scarce. The present study investigates anatomical, resting-state, and functional neural correlates of daily mood states in healthy individuals. We expected to observe associations between mood and the frontal-limbic circuitry and the default-mode network (DMN)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29765311/altered-sense-of-body-ownership-and-agency-in-posttraumatic-stress-disorder-and-its-dissociative-subtype-a-rubber-hand-illusion-study
#6
Daniela Rabellino, Dalila Burin, Sherain Harricharan, Chantelle Lloyd, Paul A Frewen, Margaret C McKinnon, Ruth A Lanius
Traumatic experiences have been linked to the development of altered states of consciousness affecting bodily perception, including alterations in body ownership and in sense of agency, the conscious experience of the body as one's own and under voluntary control. Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). Together, symptoms of derealization and, related specifically to the sense of body ownership and agency, of depersonalization (where parts of the body or the entire body itself is perceived as detached and out of control), constitute the dissociative subtype (PTSD+DS)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29760655/neural-codes-for-one-s-own-position-and-direction-in-a-real-world-vista-environment
#7
Valentina Sulpizio, Maddalena Boccia, Cecilia Guariglia, Gaspare Galati
Humans, like animals, rely on an accurate knowledge of one's spatial position and facing direction to keep orientated in the surrounding space. Although previous neuroimaging studies demonstrated that scene-selective regions (the parahippocampal place area or PPA, the occipital place area or OPA and the retrosplenial complex or RSC), and the hippocampus (HC) are implicated in coding position and facing direction within small-(room-sized) and large-scale navigational environments, little is known about how these regions represent these spatial quantities in a large open-field environment...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29755333/top-mysteries-of-the-mind-insights-from-the-default-space-model-of-consciousness
#8
Ravinder Jerath, Connor Beveridge
Aside from the nature of consciousness itself, there are still many unsolved problems in the neurosciences. Despite the vast and quickly growing body of work in this field, we still find ourselves perplexed at seemingly simple qualities of our mental being such as why we need to sleep. The neurosciences are at least beginning to take a hold on these mysteries and are working toward solving them. We hold a perspective that metastable consciousness models, specifically the Default Space Model (DSM), provide insights into these mysteries...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29755332/neurofeedback-and-the-neural-representation-of-self-lessons-from-awake-state-and-sleep
#9
Andreas A Ioannides
Neurofeedback has been around for half a century, but despite some promising results it is not yet widely appreciated. Recently, some of the concerns about neurofeedback have been addressed with functional magnetic resonance imaging and magnetoencephalography adding their contributions to the long history of neurofeedback with electroencephalography. Attempts to address other concerns related to methodological issues with new experiments and meta-analysis of earlier studies, have opened up new questions about its efficacy...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740305/whole-brain-functional-connectivity-pattern-homogeneity-mapping
#10
Lijie Wang, Jinping Xu, Chao Wang, Jiaojian Wang
Mounting studies have demonstrated that brain functions are determined by its external functional connectivity patterns. However, how to characterize the voxel-wise similarity of whole brain functional connectivity pattern is still largely unknown. In this study, we introduced a new method called functional connectivity homogeneity (FcHo) to delineate the voxel-wise similarity of whole brain functional connectivity patterns. FcHo was defined by measuring the whole brain functional connectivity patterns similarity of a given voxel with its nearest 26 neighbors using Kendall's coefficient concordance (KCC)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740304/commentary-an-adaptation-induced-repulsion-illusion-in-tactile-spatial-perception
#11
COMMENT
Jack Brooks
No abstract text is available yet for this article.
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740303/long-range-temporal-correlations-in-alpha-oscillations-stabilize-perception-of-ambiguous-visual-stimuli
#12
Francesca Sangiuliano Intra, Arthur-Ervin Avramiea, Mona Irrmischer, Simon-Shlomo Poil, Huibert D Mansvelder, Klaus Linkenkaer-Hansen
Ongoing brain dynamics have been proposed as a type of "neuronal noise" that can trigger perceptual switches when viewing an ambiguous, bistable stimulus. However, no prior study has directly quantified how such neuronal noise relates to the rate of percept reversals. Specifically, it has remained unknown whether individual differences in complexity of resting-state oscillations-as reflected in long-range temporal correlations (LRTC)-are associated with perceptual stability. We hypothesized that participants with stronger resting-state LRTC in the alpha band experience more stable percepts, and thereby fewer perceptual switches...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740302/improved-volitional-recall-of-motor-imagery-related-brain-activation-patterns-using-real-time-functional-mri-based-neurofeedback
#13
Epifanio Bagarinao, Akihiro Yoshida, Mika Ueno, Kazunori Terabe, Shohei Kato, Haruo Isoda, Toshiharu Nakai
Motor imagery (MI), a covert cognitive process where an action is mentally simulated but not actually performed, could be used as an effective neurorehabilitation tool for motor function improvement or recovery. Recent approaches employing brain-computer/brain-machine interfaces to provide online feedback of the MI during rehabilitation training have promising rehabilitation outcomes. In this study, we examined whether participants could volitionally recall MI-related brain activation patterns when guided using neurofeedback (NF) during training...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740301/impaired-prefrontal-amygdala-pathway-self-reported-emotion-and-erection-in-psychogenic-erectile-dysfunction-patients-with-normal-nocturnal-erection
#14
Jianhuai Chen, Yun Chen, Qingqiang Gao, Guotao Chen, Yutian Dai, Zhijian Yao, Qing Lu
Background: Neuroimaging studies have demonstrated that the prefrontal cortex and amygdala play an important role in sexual arousal (SA). However, little is known about the interactions between the prefrontal and cortex amygdala, which mediate the cognitive regulation of emotion and SA. Objective: We seek to determine whether nocturnal erection of psychogenic erectile dysfunction (pED) patients are normal and whether there are changes of topological organization in the prefrontal-amygdala pathway of brain network in pED...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740300/spectral-spatial-differentiation-of-brain-activity-during-mental-imagery-of-improvisational-music-performance-using-meg
#15
Jared Boasen, Yuya Takeshita, Shinya Kuriki, Koichi Yokosawa
Group musical improvisation is thought to be akin to conversation, and therapeutically has been shown to be effective at improving communicativeness, sociability, creative expression, and overall psychological health. To understand these therapeutic effects, clarifying the nature of brain activity during improvisational cognition is important. Some insight regarding brain activity during improvisational music cognition has been gained via functional magnetic resonance imaging (fMRI) and electroencephalography (EEG)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740299/pharmacological-modulation-of-long-term-potentiation-like-activity-in-the-dorsolateral-prefrontal-cortex
#16
Bahar Salavati, Zafiris J Daskalakis, Reza Zomorrodi, Daniel M Blumberger, Robert Chen, Bruce G Pollock, Tarek K Rajji
Background : Long-term potentiation (LTP) depends on glutamatergic neurotransmission and is modulated by cholinergic, dopaminergic and GABAergic inputs. Paired associative stimulation (PAS) is a neurostimulation paradigm that, when combined with electroencephalography (EEG), assesses LTP-like activity (PAS-induced LTP) in the dorsolateral prefrontal cortex (DLPFC). Thus, we conducted a study to assess the role of cholinergic, dopaminergic, GABAergic and glutamatergic neurotransmission on PAS-induced LTP in the DLPFC...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740298/working-memory-updating-training-improves-mathematics-performance-in-middle-school-students-with-learning-difficulties
#17
Hongxia Zhang, Lei Chang, Xiaoying Chen, Liang Ma, Renlai Zhou
Working memory (WM) deficit is considered the key cause of learning difficulties (LDs). Studies have shown that WM is plastic and thus can be improved through training. This positive effect is transferable to fluid intelligence and academic performance. This study investigated whether WM updating ability and academic performance in children with LDs could be improved through WM updating training and explored the effects of this training on the children's brain activity. We used a running memory task lasting approximately 40 min per day for 28 days to train a group of 23 children with LDs (TLDs group)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740297/a-multitude-of-neural-representations-behind-multisensory-social-norm-processing
#18
Felipe Pegado, Michelle H A Hendriks, Steffie Amelynck, Nicky Daniels, Jessica Bulthé, Haemy Lee Masson, Bart Boets, Hans Op de Beeck
Humans show a unique capacity to process complex information from multiple sources. Social perception in natural environment provides a good example of such capacity as it typically requires the integration of information from different sensory systems, and also from different levels of sensory processing. Here, instead of studying one isolate system and level of representation, we focused upon a neuroimaging paradigm which allows to capture multiple brain representations simultaneously, i.e., low and high-level processing in two different sensory systems, as well as abstract cognitive processing of congruency...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740296/distinguishing-adolescents-with-conduct-disorder-from-typically-developing-youngsters-based-on-pattern-classification-of-brain-structural-mri
#19
Jianing Zhang, Weixiang Liu, Jing Zhang, Qiong Wu, Yidian Gao, Yali Jiang, Junling Gao, Shuqiao Yao, Bingsheng Huang
Background: Conduct disorder (CD) is a mental disorder diagnosed in childhood or adolescence that presents antisocial behaviors, and is associated with structural alterations in brain. However, whether these structural alterations can distinguish CD from healthy controls (HCs) remains unknown. Here, we quantified these structural differences and explored the classification ability of these quantitative features based on machine learning (ML). Materials and Methods: High-resolution 3D structural magnetic resonance imaging (sMRI) was acquired from 60 CD subjects and 60 age-matched HCs...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29740295/temporal-resolution-needed-for-auditory-communication-measurement-with-mosaic-speech
#20
Yoshitaka Nakajima, Mizuki Matsuda, Kazuo Ueda, Gerard B Remijn
Temporal resolution needed for Japanese speech communication was measured. A new experimental paradigm that can reflect the spectro-temporal resolution necessary for healthy listeners to perceive speech is introduced. As a first step, we report listeners' intelligibility scores of Japanese speech with a systematically degraded temporal resolution, so-called "mosaic speech": speech mosaicized in the coordinates of time and frequency. The results of two experiments show that mosaic speech cut into short static segments was almost perfectly intelligible with a temporal resolution of 40 ms or finer...
2018: Frontiers in Human Neuroscience
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