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https://www.readbyqxmd.com/read/28742873/orienting-towards-social-features-in-naturalistic-scenes-is-reflexive
#1
Lara Rösler, Albert End, Matthias Gamer
Saliency-based models of visual attention postulate that, when a scene is freely viewed, attention is predominantly allocated to those elements that stand out in terms of their physical properties. However, eye-tracking studies have shown that saliency models fail to predict gaze behavior accurately when social information is included in an image. Notably, gaze pattern analyses revealed that depictions of human beings are heavily prioritized independent of their low-level physical saliency. What remains unknown, however, is whether the prioritization of such social features is a reflexive or a voluntary process...
2017: PloS One
https://www.readbyqxmd.com/read/28742849/joint-action-aesthetics
#2
Staci Vicary, Matthias Sperling, Jorina von Zimmermann, Daniel C Richardson, Guido Orgs
Synchronized movement is a ubiquitous feature of dance and music performance. Much research into the evolutionary origins of these cultural practices has focused on why humans perform rather than watch or listen to dance and music. In this study, we show that movement synchrony among a group of performers predicts the aesthetic appreciation of live dance performances. We developed a choreography that continuously manipulated group synchronization using a defined movement vocabulary based on arm swinging, walking and running...
2017: PloS One
https://www.readbyqxmd.com/read/28742834/contacts-in-the-last-90-000-years-over-the-strait-of-gibraltar-evidenced-by-genetic-analysis-of-wild-boar-sus-scrofa
#3
Carmen Soria-Boix, Maria P Donat-Torres, Vicente Urios
Contacts across the Strait of Gibraltar in the Pleistocene have been studied in different research papers, which have demonstrated that this apparent barrier has been permeable to human and fauna movements in both directions. Our study, based on the genetic analysis of wild boar (Sus scrofa), suggests that there has been contact between Africa and Europe through the Strait of Gibraltar in the Late Pleistocene (at least in the last 90,000 years), as shown by the partial analysis of mitochondrial DNA. Cytochrome b and the control region from North African wild boar indicate a close relationship with European wild boar, and even some specimens belong to a common haplotype in Europe...
2017: PloS One
https://www.readbyqxmd.com/read/28732033/spatial-and-simultaneous-representative-seroprevalence-of-anti-toxoplasma-gondii-antibodies-in-owners-and-their-domiciled-dogs-in-a-major-city-of-southern-brazil
#4
Aline do Nascimento Benitez, Felippe Danyel Cardoso Martins, Marcelle Mareze, Nelson Jessé Rodrigues Santos, Fernanda Pinto Ferreira, Camila Marinelli Martins, João Luis Garcia, Regina Mitsuka-Breganó, Roberta Lemos Freire, Alexander Welker Biondo, Italmar Teodorico Navarro
Toxoplasmosis, caused by Toxoplasma gondii, has traditionally been considered an important water and foodborne protozoonosis with important public health considerations. Although felids play a well-established role as definitive hosts, canine epidemiological involvement in the parasite's life cycle remains questionable and controversial. The increasing closeness of the human-dog bond, particularly seen in urban settings, has been recognized as a historically unprecedented worldwide movement. Sharing daily lives in the same households, dogs may be exposed to similar associated risks of T...
2017: PloS One
https://www.readbyqxmd.com/read/28729554/comparison-of-traditional-and-new-generation-dna-markers-declares-high-genetic-diversity-and-differentiated-population-structure-of-wild-almond-species
#5
Karim Sorkheh, Mehrana Koohi Dehkordi, Sezai Ercisli, Attila Hegedus, Júlia Halász
Wild almond species as sources of genetic variation may have crucial importance in breeding. A total of 389 accessions of 18 species have been analysed using inter-retrotransposon amplified polymorphism (IRAP), retrotransposon-microsatellite amplified polymorphism (REMAP), sequence-specific amplification polymorphism (S-SAP), amplified fragment length polymorphism (AFLP), inter simple sequence repeat (ISSR) and simple sequence repeats (SSR). Retrotransposon markers indicated the presence and movement of some Ty3-gypsy and Ty1-copia-elements in almond genome...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28727554/a-human-humanoid-interaction-through-the-use-of-bci-for-locked-in-als-patients-using-neuro-biological-feedback-fusion
#6
Rosario Sorbello, Salvatore Tramonte, Marcello Giardina, Vincenzo La Bella, Rossella Spataro, Brendan Allison, Christoph Guger, Antonio Chella
This paper illustrates a new architecture for a human-humanoid interaction based on EEG-Brain Computer Interface (EEG-BCI) for patients affected by locked-in syndrome caused by Amyotrophic Lateral Sclerosis (ALS). The proposed architecture is able to recognise users' mental state accordingly to the biofeedback factor Bf , based on users' Attention, Intention and Focus, that is used to elicit a robot to perform customised behaviours. Experiments have been conducted with a population of 8 subjects: 4 ALS patients in a near Locked-in status with normal ocular movement and 4 healthy control subjects enrolled for age, education and computer expertise...
July 18, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28719951/neuronal-apoptosis-pathological-basis-of-behavioral-dysfunctions-induced-by-angiostrongylus-cantonensis-in-rodents-model
#7
Shiqi Luo, Lisi OuYang, Jie Wei, Feng Wu, Zhongdao Wu, Wanlong Lei, Dongjuan Yuan
Angiostrongylus cantonensis invades the central nervous system (CNS) of humans to induce eosinophilic meningitis and meningoencephalitis and leads to persistent headache, cognitive dysfunction, and ataxic gait. Infected mice (nonpermissive host), admittedly, suffer more serious pathological injuries than rats (permissive host). However, the pathological basis of these manifestations is incompletely elucidated. In this study, the behavioral test, histological and immunohistochemical techniques, and analysis of apoptotic gene expression, especially caspase-3, were conducted...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28717002/human-ribonuclease-h1-resolves-r-loops-and-thereby-enables-progression-of-the-dna-replication-fork
#8
Shankar Parajuli, Daniel C Tealsey, Bhavna Murali, Jessica Jackson, Alessandro Vindigni, Sheila A Stewart
Faithful DNA replication is essential for genome stability. To ensure accurate replication, numerous complex and redundant replication and repair mechanisms function in tandem with the core replication proteins to ensure DNA replication continues even when replication challenges are present that could impede progression of the replication fork. A unique topological challenge to the replication machinery is posed by RNA:DNA hybrids, commonly referred to as R-loops. While R-loops play important roles in gene expression and recombination at immunoglobulin sites, their persistence is thought to interfere with DNA replication by slowing or impeding replication fork progression...
July 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28716079/the-human-jejunum-has-an-endogenous-microbiota-that-differs-from-those-in-the-oral-cavity-and-colon
#9
Olof H Sundin, Antonio Mendoza-Ladd, Mingtao Zeng, Diana Diaz-Arévalo, Elisa Morales, B Matthew Fagan, Javier Ordoñez, Philip Velez, Nishaal Antony, Richard W McCallum
BACKGROUND: The upper half of the human small intestine, known as the jejunum, is the primary site for absorption of nutrient-derived carbohydrates, amino acids, small peptides, and vitamins. In contrast to the colon, which contains 10(11)-10(12) colony forming units of bacteria per ml (CFU/ml), the normal jejunum generally ranges from 10(3) to 10(5) CFU per ml. Because invasive procedures are required to access the jejunum, much less is known about its bacterial microbiota. Bacteria inhabiting the jejunal lumen have been investigated by classical culture techniques, but not by culture-independent metagenomics...
July 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28715131/transcriptome-analysis-suggests-a-role-for-the-differential-expression-of-cerebral-aquaporins-and-the-mapk-signalling-pathway-in-human-temporal-lobe-epilepsy
#10
Mootaz M Salman, Mariam A Sheilabi, Dev Bhattacharyya, Philip Kitchen, Alex C Conner, Roslyn M Bill, M Nicola Woodroofe, Matthew T Conner, Alessandra P Princivalle
Epilepsies are common disorders of the central nervous system (CNS), affecting up to 2% of the global population. Pharmaco-resistance is a major clinical challenge affecting about 30% of temporal lobe epilepsy (TLE) patients. Water homeostasis has been shown crucial for regulation of neuronal excitability. The control of water movement is achieved through a family of small integral membrane channel proteins called aquaporins (AQPs). Despite the fact that changes in water homeostasis occur in sclerotic hippocampi of people with TLE, the expression of AQPs in the epileptic brain is not fully characterised...
July 17, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28714879/the-influence-of-spatial-configuration-of-residential-area-and-vector-populations-on-dengue-incidence-patterns-in-an-individual-level-transmission-model
#11
Jeon-Young Kang, Jared Aldstadt
Dengue is a mosquito-borne infectious disease that is endemic in tropical and subtropical countries. Many individual-level simulation models have been developed to test hypotheses about dengue virus transmission. Often these efforts assume that human host and mosquito vector populations are randomly or uniformly distributed in the environment. Although, the movement of mosquitoes is affected by spatial configuration of buildings and mosquito populations are highly clustered in key buildings, little research has focused on the influence of the local built environment in dengue transmission models...
July 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28713781/the-metalloprotease-mpr1-engages-annexina2-to-promote-the-transcytosis-of-fungal-cells-across-the-blood-brain-barrier
#12
Sarisa Na Pombejra, Michelle Salemi, Brett S Phinney, Angie Gelli
Eukaryotic pathogens display multiple mechanisms for breaching the blood-brain barrier (BBB) and invading the central nervous system (CNS). Of the fungal spp., that cause disease in mammals, only some cross brain microvascular endothelial cells which constitute the BBB, and invade the brain. Cryptococcus neoformans, the leading cause of fungal meningoencephalitis, crosses the BBB directly by transcytosis or by co-opting monocytes. We previously determined that Mpr1, a secreted fungal metalloprotease, facilitates association of fungal cells to brain microvascular endothelial cells and we confirmed that the sole expression of CnMPR1 endowed S...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28710823/the-african-swine-fever-epidemic-in-west-africa-1996-2002
#13
REVIEW
A-A Brown, M L Penrith, F O Fasina, D Beltran-Alcrudo
African swine fever (ASF) is a contagious, highly fatal, haemorrhagic viral disease that only affects members of the Suidae family. Currently, no vaccine or treatment exists, so the disease has potentially devastating consequences for the pig industries, availability of affordable protein livelihoods and trade. This study aimed to consolidate historical information generated by working towards the control and eradication of ASF in previously unaffected countries in West Africa during 1996-2002. This descriptive analysis entailed the evaluation and review of archived records and reports of outbreaks, data from veterinary services, veterinary consultants and peer-reviewed publications...
July 14, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28704660/pathway-analysis-of-systemic-transcriptome-responses-to-injected-polystyrene-particles-in-zebrafish-larvae
#14
Wouter J Veneman, Herman P Spaink, Nadja R Brun, Thijs Bosker, Martina G Vijver
Microplastics are a contaminant of emergent concern in the environment, however, to date there is a limited understanding on their movement within organisms and the response of organisms. In the current study zebrafish embryos at different development stages were exposed to 700nm fluorescent polystyrene (PS) particles and the response pathway after exposure was investigated using imaging and transcriptomics. Our results show limited spreading of particles within the larvae after injection during the blastula stage...
July 4, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28701915/web-camera-based-eye-tracking-to-assess-visual-memory-on-a-visual-paired-comparison-task
#15
Nicholas T Bott, Alex Lange, Dorene Rentz, Elizabeth Buffalo, Paul Clopton, Stuart Zola
Background: Web cameras are increasingly part of the standard hardware of most smart devices. Eye movements can often provide a noninvasive "window on the brain," and the recording of eye movements using web cameras is a burgeoning area of research. Objective: This study investigated a novel methodology for administering a visual paired comparison (VPC) decisional task using a web camera.To further assess this method, we examined the correlation between a standard eye-tracking camera automated scoring procedure [obtaining images at 60 frames per second (FPS)] and a manually scored procedure using a built-in laptop web camera (obtaining images at 3 FPS)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28693471/spatial-pattern-analysis-of-nuclear-migration-in-remodelled-muscles-during-drosophila-metamorphosis
#16
Kuleesha, Lin Feng, Martin Wasser
BACKGROUND: Many human muscle wasting diseases are associated with abnormal nuclear localization. During metamorphosis in Drosophila melanogaster, multi-nucleated larval dorsal abdominal muscles either undergo cell death or are remodeled to temporary adult muscles. Muscle remodeling is associated with anti-polar nuclear migration and atrophy during early pupation followed by polar migration and muscle growth during late pupation. Muscle remodeling is a useful model to study genes involved in myonuclear migration...
July 10, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28690504/multiple-coordinate-systems-and-motor-strategies-for-reaching-movements-when-eye-and-hand-are-dissociated-in-depth-and-direction
#17
Annalisa Bosco, Valentina Piserchia, Patrizia Fattori
Reaching behavior represents one of the basic aspects of human cognitive abilities important for the interaction with the environment. Reaching movements towards visual objects are controlled by mechanisms based on coordinate systems that transform the spatial information of target location into appropriate motor response. Although recent works have extensively studied the encoding of target position for reaching in three-dimensional space at behavioral level, the combined analysis of reach errors and movement variability has so far been investigated by few studies...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28688805/low-level-of-ochratoxin-a-affects-genome-wide-expression-in-kidney-of-pig
#18
Daniela Eliza Marin, Cornelia Braicu, Mihai Alexandru Gras, Gina Cecilia Pistol, Roxana Cojocneanu Petric, Ioana Berindan Neagoe, Mihai Palade, Ionelia Taranu
Ochratoxin A (OTA) is a mycotoxin produced by fungus belonging to Aspergillus and Penicillium genra. The aim of the present paper was to investigate if a low concentration OTA has toxic effect in pigs. Twelve piglets were fed with a control or an OTA (0.05 mg/kg feed) contaminated diet. After 30 days, animals were slaughtered and samples of blood and kidney were used for further analyses. The mycotoxin analyses showed a significant higher (6.25 times) concentration of OTA in the kidney of OTA intoxicated piglets than in control ones...
July 6, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28688455/foot-use-during-vertical-climbing-in-chimpanzees-pan-troglodytes
#19
R E Wunderlich, S B Ischinger
Upright bipedalism is a hallmark of hominin locomotion, however debates continue regarding the extent of arboreal locomotion and the nature of bipedalism practiced by early hominins. Pedal form and function play a prominent role in these debates, as the foot is the element that directly interacts with the locomotor substrate. Recent finds have substantially increased the availability of associated foot remains of early hominins and emphasized the enigmatic nature of the early evolution of human bipedalism. New discoveries of associated forefoot remains have afforded the opportunity to assess relative proportions across the forefoot of fossil hominins and illuminated the need for data on relative loading across the forefoot in extant hominoids...
August 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28683145/geographical-distribution-of-culicoides-diptera-ceratopogonidae-in-mainland-portugal-presence-absence-modelling-of-vector-and-potential-vector-species
#20
David W Ramilo, Telmo Nunes, Sara Madeira, Fernando Boinas, Isabel Pereira da Fonseca
Vector-borne diseases are not only accounted responsible for their burden on human health-care systems, but also known to cause economic constraints to livestock and animal production. Animals are affected directly by the transmitted pathogens and indirectly when animal movement is restricted. Distribution of such diseases depends on climatic and social factors, namely, environmental changes, globalization, trade and unplanned urbanization. Culicoides biting midges are responsible for the transmission of several pathogenic agents with relevant economic impact...
2017: PloS One
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