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https://www.readbyqxmd.com/read/28922831/the-transcription-factors-coup-tfi-and-coup-tfii-have-distinct-roles-in-arealisation-and-gabaergic-interneuron-specification-in-the-early-human-fetal-telencephalon
#1
Ayman Alzu'bi, Susan J Lindsay, Lauren F Harkin, Jack McIntyre, Steven N Lisgo, Gavin J Clowry
In human telencephalon at 8-12 postconceptional weeks, ribonucleic acid quantitative sequencing and immunohistochemistry revealed cortical chicken ovalbumin upstream promotor-transcription factor 1 (COUP-TFI) expression in a high ventro-posterior to low anterior gradient except for raised immunoreactivity in the anterior ventral pallium. Unlike in mouse, COUP-TFI and SP8 were extensively co-expressed in dorsal sensory neocortex and dorsal hippocampus whereas COUPTFI/COUPTFII co-expression defined ventral temporal cortex and ventral hippocampus...
October 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922627/distribution-patterns-and-morphology-of-sensilla-on-the-antennae-of-plutella-xylostella-l-a-scanning-and-transmission-electron-microscopic-study
#2
Xi-Zhong Yan, Cai-Ping Deng, Jiao-Xin Xie, Lan-Jun Wu, Xue-Jun Sun, Chi Hao
The antennal morphology, types of antennal sensilla, fine structures and distributions of the sensilla in Plutella xylostella L. (Lepidoptera: Plutellidae) were studied by scanning (SEM) and transmission (TEM) electron microscopy. The antenna, scape, pedicel and flagellum were all longer in males than in females. A total of seventeen types of sensilla were identified on the antennae: trichodea (two subtypes), basiconica, coeloconica (three subtypes), Böhm's bristles (two subtypes), styloconica (two subtypes), squamiformia, auricillica, furcatea (three subtypes), cupuliform organs and terminal sensory pegs...
September 6, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28921770/does-an-observer-s-empathy-influence-my-pain-effect-of-perceived-empathetic-or-unempathetic-support-in-a-pain-test
#3
C Fauchon, I Faillenot, A M Perrin, C Borg, V Pichot, F Chouchou, L Garcia-Larrea, R Peyron
The physiological and behavioural effects of empathy for other's pain have been widely investigated, while the opposite situation, i.e. the influence on one's pain of empathetic feedback from others, remains largely unexplored. Here, we assessed whether and how empathetic and unempathetic comments from observers modulate pain and associated vegetative reactions. In Study 1, conversations between observers of a pain study were recorded by professional actors. Comments were prepared to be perceived as empathetic, unempathetic, or neutral, and were validated in 40 subjects...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921759/a-pedagogical-framework-for-facilitating-parents-learning-in-nurse-parent-partnership
#4
Nick Hopwood, Teena Clerke, Anne Nguyen
Nursing work increasingly demands forms of expertise that complement specialist knowledge. In child and family nursing, this need arises when nurses work in partnership with parents of young children at risk. Partnership means working with parents in respectful, negotiated and empowering ways. Existing partnership literature emphasises communicative and relational skills, but this paper focuses on nurses' capacities to facilitate parents' learning. Referring to data from home visiting, day-stay and specialist toddler clinic services in Sydney, a pedagogical framework is presented...
September 17, 2017: Nursing Inquiry
https://www.readbyqxmd.com/read/28921729/long-range-cortical-dynamics-a-perspective-from-the-mouse-sensorimotor-whisker-system
#5
REVIEW
Jianguang Ni, Jerry L Chen
In the mammalian neocortex, the capacity to dynamically route and coordinate the exchange of information between areas is a critical feature of cognitive function, enabling processes such as higher-level sensory processing and sensorimotor integration. Despite the importance attributed to long-range connections between cortical areas, their exact operations and role in cortical function remain an open question. In recent years, progress has been made in understanding long-range cortical circuits through work focused on the mouse sensorimotor whisker system...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921721/effects-of-the-availability-of-accurate-proprioceptive-information-on-older-adults-postural-sway-and-muscle-co-contraction
#6
Chesney E Craig, Glenn H M Calvert, Michail Doumas
During conditions of increased postural instability, older adults exhibit greater lower-limb muscle co-contraction. This response has been interpreted as a compensatory postural strategy, which may be used to i006Ecrease proprioceptive information from muscle spindles or to stiffen the lower limb as a general response to minimise postural sway. The current study aimed to test these two hypotheses by investigating use of muscle co-contraction during sensory transitions that manipulated proprioceptive input. Surface EMG was recorded from the bilateral tibialis anterior and gastrocnemius medialis muscles, in young (aged 18-30) and older adults (aged 68-80) during blind-folded postural assessment...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921711/foxp-expression-identifies-a-kenyon-cell-subtype-in-the-honeybee-mushroom-bodies-linking-them-to-fruitfly-%C3%AE-%C3%AE-c-neurons
#7
Adriana Schatton, Constance Scharff
The arthropod mushroom bodies (MB) are a higher order sensory integration center. In insects, they play a central role in associative olfactory learning and memory. In Drosophila melanogaster (Dm), the highly ordered connectivity of heterogeneous MB neuron populations has been mapped using sophisticated molecular genetic and anatomical techniques. The MB-core subpopulation was recently shown to express the transcription factor FoxP with relevance for decision-making. Here we report the development and adult distribution of a FoxP-expressing neuron population in the MB of honeybees (Apis mellifera, Am) using in situ hybridization and a custom-made antiserum...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921570/behavioural-responses-of-infective-stage-copepodids-of-the-salmon-louse-lepeophtheirus-salmonis-copepoda-caligidae-to-host-related-sensory-cues
#8
D M Fields, A B Skiftesvik, H I Browman
The salmon louse (Lepeophtheirus salmonis [Krøyer]) is an ectoparasitic copepod that causes disease in farmed Atlantic salmon (Salmo salar) and may play a role in the decline of some wild salmonid populations. Controlling lice infestations is a major cost for the salmon industry; this has stimulated the pursuit of alternative approaches to controlling them. One such approach involves determining, and then disrupting, the sensory cues used by the parasite to find its host. In this context, we examined the behavioural responses of lice copepodids to light flicker-simulating light reflecting from the sides of the salmon host and/or the shadows cast by fish passing overhead-and water-soluble chemicals released from the skin of the salmon...
September 17, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28921519/impact-of-pork-collagen-superfine-powder-on-rheological-and-texture-properties-of-harbin-red-sausage
#9
Wenhang Wang, Xiao Wang, Wenping Zhao, Guixian Gao, Xiaowei Zhang, Yabin Wang, Yanan Wang
It is a challenge for producers to looking for excellent filler to satisfy the required qualities of high grade meat products such as Harbin red sausage in China. Four collagen superfine powders (CSPs) from pig skin with different heating pretreatments, named as T0 (non-heating), T1 (at 60 °C for 20 min), T2 (at 80 °C for 20 min), T3 (at 120 °C for 10 min) respectively, at various concentrations (1, 3, 5 wt%) were added to the sausage and their impact on sausage properties was investigated. Rheological results showed that addition of CSPs especially T2 increased the elastic modulus (G') of sausage, indicating the enhanced stabilization of meat batter due to formation of a coherent protein network...
September 18, 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28920932/a-pathway-from-midcingulate-cortex-to-posterior-insula-gates-nociceptive-hypersensitivity
#10
Linette Liqi Tan, Patric Pelzer, Céline Heinl, Wannan Tang, Vijayan Gangadharan, Herta Flor, Rolf Sprengel, Thomas Kuner, Rohini Kuner
The identity of cortical circuits mediating nociception and pain is largely unclear. The cingulate cortex is consistently activated during pain, but the functional specificity of cingulate divisions, the roles at distinct temporal phases of central plasticity and the underlying circuitry are unknown. Here we show in mice that the midcingulate division of the cingulate cortex (MCC) does not mediate acute pain sensation and pain affect, but gates sensory hypersensitivity by acting in a wide cortical and subcortical network...
September 18, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28920719/-history-of-hand-transplantation-advancement-in-the-operative-technics-medications-and-the-survival-of-the-transplanted-hands-review-of-literature
#11
Vilmos Bíró
The author summarizes briefly the history of hand allograft transplantation, the basics of the operative technics, and the medicinal treatment of the immunosuppression. He establishes that this operation requires complicated team-work: many specialists must be united in the interest of the successful final outcome. The biggest problem is not the technical challenge of the complicated operation, but the ineffectiveness of immunosuppression, its complications; even though significant development has happened in this field and experimental results are also encouraging...
September 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28920407/effect-of-mechanically-deboned-poultry-meat-content-on-technological-properties-and-sensory-characteristics-of-lamb-and-mutton-sausages
#12
Armando Abel Massingue, Robledo de Almeida Torres Filho, Paulo Rogerio Fontes, Alcinéia de Souza Ramos, Edimar Aparecida Filomeno Fontes, Juan Ramon Olalquiaga Perez, Eduardo Mendes Ramos
Objective: This study aimed to develop a value-added product concerning technological and sensory characteristics changes of the use of mechanically deboned poultry meat (MDPM) as meat replacer in lamb and mutton emulsion-type sausages (mortadella). Methods: Sausages were produced with lamb and mutton and with different contents of MDPM. Six treatments, using lamb or mutton and 0, 30% and 60% of MDPM in relation to the meat batter, were produced and analyzed for pH, proximal composition, calcium and residual nitrite content, water activity, TBA reactive substances (TBARS), instrumental color and texture profile...
September 18, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28920069/assessment-of-thermal-pain-sensation-in-rats-and-mice-using-the-hargreaves-test
#13
Menghon Cheah, James W Fawcett, Melissa R Andrews
The Hargreaves test is specifically designed to assess thermal pain sensation in rodents such as rats and mice. This test has been used in experiments involving pain sensitization or recovery of thermal pain response following neural injury and regeneration. We present here a step-by-step protocol highlighted with important notes to guide first-time users through the learning process. Additionally, we have also included representative data from a rat model of sensory denervation showing how the data can be analysed to obtain meaningful results...
August 20, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28920051/comparison-of-1-and-2-minute-sitting-positions-versus-immediately-lying-down-on-hemodynamic-variables-after-spinal-anesthesia-with-hyperbaric-bupivacaine-in-elective-cesarean-section
#14
Pooran Hajian, Mahshid Nikooseresht, Tayebe Lotfi
BACKGROUND: Hypotension is one of the most common complications of spinal anesthesia in parturients undergoing cesarean section. In this regard, the patient's position may affect the incidence of hypotension. OBJECTIVES: In this clinical trial, we evaluated the effects of 1- and 2-minute sitting positions versus immediately lying down after spinal anesthesia on hypotension and vasopressor requirements. METHODS: A total of 72 parturients, scheduled for cesarean section under spinal anesthesia, were randomly divided into 3 groups (24 subjects per group)...
April 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/28919980/hemicerebellitis-can-drive-handedness-shift
#15
Mario Mascalchi, Matteo Lenge, Andrea Bianchi, Emanuele Bartolini, Gioele Gavazzi, Flavio Giordano, Renzo Guerrini
BACKGROUND: Hemicerebellitisis a rare acquired condition, typical of the pediatric age. A residual switched handedness may develop after remission of acute cerebellar symptoms. CASE PRESENTATION: Herein we describe a motor functional MRI studyperformed in a 35-year old girl who had switched to left-handedness after acute right hemicerebellitis in childhood. During left hand tapping, we observed activation in the right primary sensori-motor cortex, right supplementary motor area and left superior cerebellum...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28919878/postural-control-in-bilateral-vestibular-failure-its-relation-to-visual-proprioceptive-vestibular-and-cognitive-input
#16
Andreas Sprenger, Jann F Wojak, Nico M Jandl, Christoph Helmchen
Patients with bilateral vestibular failure (BVF) suffer from postural and gait unsteadiness with an increased risk of falls. The aim of this study was to elucidate the differential role of otolith, semicircular canal (SSC), visual, proprioceptive, and cognitive influences on the postural stability of BVF patients. Center-of-pressure displacements were recorded by posturography under six conditions: target visibility; tonic head positions in the pitch plane; horizontal head shaking; sensory deprivation; dual task; and tandem stance...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28919850/the-detection-of-phase-amplitude-coupling-during-sensory-processing
#17
Robert A Seymour, Gina Rippon, Klaus Kessler
There is increasing interest in understanding how the phase and amplitude of distinct neural oscillations might interact to support dynamic communication within the brain. In particular, previous work has demonstrated a coupling between the phase of low frequency oscillations and the amplitude (or power) of high frequency oscillations during certain tasks, termed phase amplitude coupling (PAC). For instance, during visual processing in humans, PAC has been reliably observed between ongoing alpha (8-13 Hz) and gamma-band (>40 Hz) activity...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28919806/how-stable-are-quantitative-sensory-testing-measurements-over-time-report-on-10-week-reliability-and-agreement-of-results-in-healthy-volunteers
#18
Helen Nothnagel, Christian Puta, Thomas Lehmann, Philipp Baumbach, Martha B Menard, Brunhild Gabriel, Holger H W Gabriel, Thomas Weiss, Frauke Musial
BACKGROUND: Quantitative sensory testing (QST) is a diagnostic tool for the assessment of the somatosensory system. To establish QST as an outcome measure for clinical trials, the question of how similar the measurements are over time is crucial. Therefore, long-term reliability and limits of agreement of the standardized QST protocol of the German Research Network on Neuropathic Pain were tested. METHODS: QST on the lower back and hand dorsum (dominant hand) were assessed twice in 22 healthy volunteers (10 males and 12 females; mean age: 46...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28919664/developmental-coordination-disorders-and-sensory-processing-and-integration-incidence-associations-and-co-morbidities
#19
Susan Allen, Jackie Casey
INTRODUCTION: Children with developmental coordination disorder or sensory processing and integration difficulties face challenges to participation in daily living. To date there has been no exploration of the co-occurrence of developmental coordination disorders and sensory processing and integration difficulties. METHOD: Records of children meeting Diagnostic and Statistical Manual - V criteria for developmental coordination disorder (n = 93) age 5 to 12 years were examined...
September 2017: British Journal of Occupational Therapy
https://www.readbyqxmd.com/read/28919538/roles-of-n-methyl-d-aspartate-receptors-during-the-sensory-stimulation-evoked-field-potential-responses-in-mouse-cerebellar-cortical-molecular-layer
#20
Yin-Hua Xu, Guang-Jian Zhang, Jing-Tong Zhao, Chun-Ping Chu, Yu-Zi Li, De-Lai Qiu
The functions of N-methyl-d-aspartate receptors (NMDARs) in cerebellar cortex have been widely studied under in vitro condition, but their roles during the sensory stimulation-evoked responses in the cerebellar cortical molecular layer in living animals are currently unclear. We here investigated the roles of NMDARs during the air-puff stimulation on ipsilateral whisker pad-evoked field potential responses in cerebellar cortical molecular layer in urethane-anesthetized mice by electrophysiological recording and pharmacological methods...
September 14, 2017: Neuroscience Letters
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