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https://www.readbyqxmd.com/read/28211138/nocturnal-autonomic-nervous-system-activity-and-morning-proinflammatory-cytokines-in-young-adult-african-americans
#1
Kimberly A Bell, Ihori Kobayashi, Yuanxiu Chen, Thomas A Mellman
Compromised sleep and increased sympathetic nervous system (SNS) activity are implicated in the pathogenesis of, and disparities in, cardiovascular disease. Parasympathetic dominance during sleep may be important for cardiovascular health. Sleep and autonomic balance influence immune activity, which impacts atherogenesis. We evaluated relationships between autonomic balance during sleep and morning levels of the immune activating cytokines, C-reactive protein (CRP) and interleukin (IL)-6. Ninety-four (59 female) young adult African Americans without medical conditions and substance use disorders spent 2 consecutive nights in a clinical research unit for sleep recordings and blood drawing on awakening...
February 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28210047/the-effect-of-visual-field-condition-on-kinetic-in-upper-extremities-and-e-m-g-in-lower-extremities-while-performing-reaching-in-normal-adults
#2
Hyekang Park, Youngeun Kang, Minah Yoo, Bomjin Lee, Jeongok Yang, Joongsook Lee, Dongwook Han, Taeyoung Oh
[Purpose] The aims of this study was to investigate mean velocity and angle of shoulder joint, activation of tibialis anterior and gastrocnemius according to both eyes, dominant eye and non-dominant eye condition during reaching task in normal adults. [Subjects and Methods] Our research recruited 24 participants (male 11, female 13) in Silla University. Participants were performed reaching out movement by conditions of both eye, dominants eye, non-dominants eye. The target was placed at 45 degree diagonal direction and distance far away 130% of their arm length...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28202587/it-s-cool-to-be-dominant-social-status-alters-short-term-risks-of-heat-stress
#3
Susan J Cunningham, Michelle L Thompson, Andrew E McKechnie
Climate change has potential to trigger social change. As a first step towards understanding mechanisms determining the vulnerability of animal societies to rising temperatures, we investigated interactions between social rank and thermoregulation in three arid-zone bird species: fawn-coloured lark (Mirafra africanoides, territorial); African red-eyed bulbul (Pycnonotus nigricans, loosely social) and sociable weaver (Philetairus socius, complex cooperative societies). We assessed relationships between body temperature (Tb), air temperature (Ta) and social rank in captive groups in the Kalahari Desert...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28197836/does-direction-of-walking-impact-binocular-rivalry-between-competing-patterns-of-optic-flow
#4
Richard Paris, Bobby Bodenheimer, Randolph Blake
When dissimilar monocular images are viewed simultaneously by the two eyes, stable binocular vision gives way to unstable vision characterized by alternations in dominance between the two images in a phenomenon called binocular rivalry. These alternations in perception reveal the existence of inhibitory interactions between neural representations associated with conflicting visual inputs. Binocular rivalry has been studied since the days of Wheatstone, but one recent strategy is to investigate its susceptibility to influences caused by one's own motor activity...
February 14, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28195526/regulating-the-access-to-awareness-brain-activity-related-to-probe-related-and-spontaneous-reversals-in-binocular-rivalry
#5
Brian A Metzger, Kyle E Mathewson, Evelina Tapia, Monica Fabiani, Gabriele Gratton, Diane M Beck
Research on the neural correlates of consciousness (NCC) has implicated an assortment of brain regions, ERP components, and network properties associated with visual awareness. Recently, the P3b ERP component has emerged as a leading NCC candidate. However, typical P3b paradigms depend on the detection of some stimulus change, making it difficult to separate brain processes elicited by the stimulus itself from those associated with updates or changes in visual awareness. Here we used binocular rivalry to ask whether the P3b is associated with changes in awareness even in the absence of changes in the object of awareness...
February 14, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28185858/extending-levelt-s-propositions-to-perceptual-multistability-involving-interocular-grouping
#6
Alain Jacot-Guillarmod, Yunjiao Wang, Claudia Pedroza, Haluk Ogmen, Zachary Kilpatrick, Krešimir Josić
Levelt's Propositions are central to understanding a wide range of multistable perceptual phenomena, but it is unclear whether they extend to perceptual multistability involving interocular grouping. We presented split-grating stimuli with complementary halves of the same color (either red or green) to human subjects. The subjects reported four percepts in alternation: the two stimuli presented to each eye (half red and half green), as well as the two single color (all red or all green), interocularly grouped percepts...
February 17, 2017: Vision Research
https://www.readbyqxmd.com/read/28185225/faces-elicit-different-scanning-patterns-depending-on-task-demands
#7
Isabelle Boutet, Chantal L Lemieux, Marc-André Goulet, Charles A Collin
Eye movements were recorded while participants discriminated upright and inverted faces that differed with respect to either configural or featural information. Two hypotheses were examined: (1) whether featural and configural information processing elicit different scanning patterns; (2) whether fixations on a specific region of the face dominate scanning patterns. Results from two experiments were compared to examine whether participants' prior knowledge of the kind of information that would be relevant for the task (i...
February 9, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28183870/visual-acuity-in-ray-finned-fishes-correlates-with-eye-size-and-habitat
#8
Eleanor M Caves, Tracey T Sutton, Sönke Johnsen
Visual acuity (the ability to resolve spatial detail) is highly variable across fishes. However, little is known about the evolutionary pressures underlying this variation. We reviewed published literature to create an acuity database for 159 species of ray-finned fishes (Actinopterygii). Within a subset of those species for which we had phylogenetic information and anatomically-measured acuity data (n=81), we examined relationships between acuity and both morphological (eye size and body size) and ecological (light level, water turbidity, habitat spatial complexity, and diet) variables...
February 9, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28176012/implicit-learning-of-a-finger-motor-sequence-by-patients-with-cerebral-palsy-after-neurofeedback
#9
Ana Alves-Pinto, Varvara Turova, Tobias Blumenstein, Conny Hantuschke, Renée Lampe
Facilitation of implicit learning of a hand motor sequence after a single session of neurofeedback training of alpha power recorded from the motor cortex has been shown in healthy individuals (Ros et al., Biological Psychology 95:54-58, 2014). This facilitation effect could be potentially applied to improve the outcome of rehabilitation in patients with impaired hand motor function. In the current study a group of ten patients diagnosed with cerebral palsy trained reduction of alpha power derived from brain activity recorded from right and left motor areas...
February 7, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28174446/influence-of-time-restriction-20-minutes-and-94-6-months-of-visual-information-on-angular-displacement-during-the-sit-to-stand-sts-task-in-three-planes
#10
Mozhgan Faraji Aylar, Faramarz Firouzi, Mandana Rahnama Araghi
[Purpose] The purpose of this investigation was to assess whether or not restriction of visual information influences the kinematics of sit-to-stand (STS) performance in children. [Subjects and Methods] Five girls with congenital blindness (CB) and ten healthy girls with no visual impairments were randomly selected. The girls with congenital blindness were placed in one group and the ten girls with no visual impairments were divided into two groups of five, control and treatment groups. The participants in the treatment group were asked to close their eyes (EC) for 20 minutes before the STS test, whereas those in the control group kept their eyes open (EO)...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28163935/short-term-monocular-deprivation-enhances-physiological-pupillary-oscillations
#11
Paola Binda, Claudia Lunghi
Short-term monocular deprivation alters visual perception in adult humans, increasing the dominance of the deprived eye, for example, as measured with binocular rivalry. This form of plasticity may depend upon the inhibition/excitation balance in the visual cortex. Recent work suggests that cortical excitability is reliably tracked by dilations and constrictions of the pupils of the eyes. Here, we ask whether monocular deprivation produces a systematic change of pupil behavior, as measured at rest, that is independent of the change of visual perception...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28153808/bestrophin-1-and-retinal-disease
#12
REVIEW
Adiv A Johnson, Karina E Guziewicz, C Justin Lee, Ravi C Kalathur, Jose S Pulido, Lihua Y Marmorstein, Alan D Marmorstein
Mutations in the gene BEST1 are causally associated with as many as five clinically distinct retinal degenerative diseases, which are collectively referred to as the "bestrophinopathies". These five associated diseases are: Best vitelliform macular dystrophy, autosomal recessive bestrophinopathy, adult-onset vitelliform macular dystrophy, autosomal dominant vitreoretinochoroidopathy, and retinitis pigmentosa. The most common of these is Best vitelliform macular dystrophy. Bestrophin 1 (Best1), the protein encoded by the gene BEST1, has been the subject of a great deal of research since it was first identified nearly two decades ago...
January 30, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28150723/short-term-monocular-occlusion-produces-changes-in-ocular-dominance-by-a-reciprocal-modulation-of-interocular-inhibition
#13
Eva Chadnova, Alexandre Reynaud, Simon Clavagnier, Robert F Hess
Ocular dominance can be modulated by short-term monocular deprivation. This changes the contribution that each eye makes to binocular vision, an example of adult cortical neuroplasticity. Optical imaging in primates and psychophysics in humans suggest these neuroplastic changes occur in V1. Here we use brain imaging (MEG) in normal adults to better understand the nature of these neuroplastic changes. The results suggest that short-term monocular deprivation, whether it be by an opaque or translucent patch, modulates dichoptic inhibitory interactions in a reciprocal fashion; the unpatched eye is inhibited, the patched eye is released from inhibition...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28149810/trans-oral-glasses-free-three-dimensional-endoscopic-thyroidectomy-preliminary-single-center-experiences
#14
Yi-Ke Zeng, Zhi-Yu Li, Wen-Liang Xuan, Jian-Xing He
Glass-free three-dimensional (3D) endoscopic provide excellent depth perception without decreasing light quality and fog formation. Herein we report our first case-serial of trans-oral endoscopic thyroidectomy by means of our newly developed glasses-free 3D endoscopic system. Four patients with thyroid goiter undergone trans-oral glasses-free 3D endosocpic thyroidectomy were reviewed. Mean BMI of these patients was 20.98±2.91 kg/m(2). The dominate nodule of the thyroid was no more than 5 cm in diameter in all patients...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28149288/attention-orienting-in-response-to-non-conscious-hierarchical-arrows-individuals-with-higher-autistic-traits-differ-in-their-global-local-bias
#15
Robin Laycock, Daniel Chan, Sheila G Crewther
One aspect of the social communication impairments that characterize autism spectrum disorder (ASD) include reduced use of often subtle non-verbal social cues. People with ASD, and those with self-reported sub-threshold autistic traits, also show impairments in rapid visual processing of stimuli unrelated to social or emotional properties. Hence, this study sought to investigate whether perceptually non-conscious visual processing is related to autistic traits. A neurotypical sample of thirty young adults completed the Subthreshold Autism Trait Questionnaire and a Posner-like attention cueing task...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28147709/an-eye-tracking-examination-of-men-s-attractiveness-by-conceptive-risk-women
#16
Ray Garza, Roberto R Heredia, Anna B Cieślicka
Previous research has indicated that women prefer men who exhibit an android physical appearance where fat distribution is deposited on the upper body (i.e., shoulders and arms) and abdomen. This ideal physical shape has been associated with perceived dominance, health, and immunocompetence. Although research has investigated attractability of men with these ideal characteristics, research on how women visually perceive these characteristics is limited. The current study investigated visual perception and attraction toward men in Hispanic women of Mexican American descent...
March 2017: Evolutionary Psychology: An International Journal of Evolutionary Approaches to Psychology and Behavior
https://www.readbyqxmd.com/read/28129418/using-binocular-rivalry-to-tag-foreground-sounds-towards-an-objective-visual-measure-for-auditory-multistability
#17
Wolfgang Einhäuser, Sabine Thomassen, Alexandra Bendixen
In binocular rivalry, paradigms have been proposed for unobtrusive moment-by-moment readout of observers' perceptual experience ("no-report paradigms"). Here, we take a first step to extend this concept to auditory multistability. Observers continuously reported which of two concurrent tone sequences they perceived in the foreground: high-pitch (1008 Hz) or low-pitch (400 Hz) tones. Interstimulus intervals were either fixed per sequence (Experiments 1 and 2) or random with tones alternating (Experiment 3). A horizontally drifting grating was presented to each eye; to induce binocular rivalry, gratings had distinct colors and motion directions...
January 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28128429/-neurofibromatosis-type-2-in-childhood-a-clinical-characterization
#18
C M Hinojosa-Mateo, J A Reche-Sainz, A Hernandez-Nunez, M Ramos-Lopez, A Arpa-Fernandez, D Natera-de Benito
INTRODUCTION: Neurofibromatosis type 2 (NF2) is a dominantly inherited neuroectodermal syndrome that predispose to the development of tumors of the central and peripheral nervous system. Additional features include eye and skin abnormalities. CASE REPORT: A 12-year old male with diagnosis of MF2 according to Baser et al and presentation in childhood was included. A comprehensive bibliographic review of evolution of the diagnostic criteria for NF2 in children was performed...
February 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28126483/the-angiotensin-converting-enzyme-ace-gene-family-of-bombyx-mori
#19
Hai-Yan Yan, Kazuei Mita, Xia Zhao, Yoshikazu Tanaka, Minoru Moriyama, Huabin Wang, Masashi Iwanaga, Hideki Kawasaki
We previously reported regarding an ecdysone-inducible angiotensin-converting enzyme (ACE) gene. We found another four ACE genes in the Bombyx genome. The present study was undertaken to clarify the evolutionally changed function of the ACE of Bombyx mori. Core regions of deduced amino acid sequences of ACE genes were compared with those of other insect ACE genes. Five Bombyx genes have the conserved Zn(2+)-binding-site motif (HEXXH); however, BmAcer4 has only one and BmAcer3 has no catalytic ligand. BmAcer1 and BmAcer2 were expressed in several organs...
January 23, 2017: Gene
https://www.readbyqxmd.com/read/28120589/identification-of-a-de-novo-3bp-deletion-in-cryba1-a3-gene-in-autosomal-dominant-congenital-cataract
#20
Masoumeh Mohebi, Abolfazl Akbari, Nahid Babaei, Abdolrahim Sadeghi, Mansour Heidari
Autosomal dominant congenital cataract (ADCC) is the most common form of inherited cataracts and accounts for one-third of congenital cataracts. Heterozygous null mutations in the crystallin genes are the major cause of the ADCC. This study aims to detect the mutational spectrum of four crystallin genes, CRYBA1/A3, CRYBB1, CRYBB2 and CRYGD in an Iranian family. Genomic DNA was isolated from whole blood cells from theproband and other family members. The coding regions and flanking intronicsequences of crystalline genes were analyzed by Sanger sequencing in aproband with ADCC...
December 2016: Acta Medica Iranica
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