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https://www.readbyqxmd.com/read/28227806/a-new-soft-material-based-in-the-ear-eeg-recording-technique
#1
Hao Dong, Paul M Matthews, Yike Guo, Hao Dong, Paul M Matthews, Yike Guo, Hao Dong, Paul M Matthews, Yike Guo
Long-term electroencephalogram (EEG) is important for seizure detection, sleep monitoring and etc. In-the- ear EEG device makes such recording robust to noise and privacy protected (invisible to other people). However, the state-of-art techniques suffer from various drawbacks such as customization for specific users, manufacturing difficulties and short life cycle. To address these issues, we proposed silvered glass silicone based in-the-ear electrode which can be manufactured using conventional compression moulding...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227532/assessing-the-role-of-preknowledge-in-force-compensation-during-a-tracking-task
#2
Dimitrios Menychtas, Tyler Sullins, Benjamin Rigsby, Stephanie Carey, Kyle B Reed, Dimitrios Menychtas, Tyler Sullins, Benjamin Rigsby, Stephanie Carey, Kyle B Reed, Dimitrios Menychtas, Benjamin Rigsby, Kyle B Reed, Stephanie Carey, Tyler Sullins
Considerable research has been done looking at the asymmetries between the dominant and nondominant arms. However, one area that has received less attention is how information about a perturbation affects these upper limb asymmetries. Our study sought to determine whether foreknowledge of a perturbation can affect the compensation from each arm. In addition, we examined the differences in compensation for perturbations parallel with the line of action and perpendicular to it. Results showed that the nondominant arm was largely unaffected by the visual condition...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226905/passthoughts-authentication-with-low-cost-eareeg
#3
Max T Curran, Jong-Kai Yang, Nick Merrill, John Chuang, Max T Curran, Jong-Kai Yang, Nick Merrill, John Chuang, Jong-Kai Yang, Max T Curran, John Chuang, Nick Merrill
Personal and wearable computing are moving toward smaller and more seamless devices. We explore how this trend could be mirrored in an authentication scheme based on electroencephalography (EEG) signals collected from the ear. We evaluate this model using a low cost, single-channel, consumer grade device for data collection. Using data from 12 study participants who performed a set of 5 mental tasks, we achieve a 44% reduction in half total error rate (HTER) compared with a random classifier, corresponding to a 72% authentication accuracy in within-participants analyses and a 60% reduction and 80% accuracy in between-participant analyses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226406/what-do-we-know-about-older-former-carers-key-issues-and-themes
#4
Mary Larkin, Alisoun Milne
Despite a significant growth in the number older former family carers, they remain largely invisible in carer-related research and literature. To begin to address this deficit, a four-stage literature review was conducted to identify existing knowledge about older former carers. Narrative synthesis of the findings yielded five themes - the concept of 'older former carer', the legacies of caring, influences on the legacies of caring, conceptualising post-caring and support services for older former carers. Critical analysis of these findings suggests that existing evidence has a number of strengths...
February 22, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28225843/-poverty-and-mental-disability-in-the-criminal-law-the-invisibles
#5
Ezequiel N Mercurio
In recent decades neuroscience research show the negative consequences of poverty in cognitive development. Environmental factors, such as material deprivation, exposure to stressful situations, violence, nutritional deprivation, environmental toxins may shape the developing brain. The changes of the structure and function of the brain since prenatal stages and their consequences can remain stable throughout the life cycle except early interventions are made. Research investigating have found significant link between child poverty and function and structural brain focusing on prefrontal cortex (i...
May 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28220399/leibniz-the-microscope-and-the-concept-of-preformation
#6
Alessandro Becchi
In recent years a certain emphasis has been put by some scholars on Leibniz's concern about empirical sciences and the relations between such concern and the development of his mature metaphysical system. In this paper I focus on Leibniz's interest for the microscope and the astonishing discoveries that such instrument made possible in the field of the life sciences during the last part of the Seventeenth century. The observation of physical bodies carried out by the "magnifying glasses" revealed a matter swarming everywhere with life and activity, contrary to the cartesian and atomistic view of matter as something sterile and passive...
March 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/28220000/suppression-of-scattering-for-small-dielectric-particles-anapole-mode-and-invisibility
#7
Boris Luk'yanchuk, Ramón Paniagua-Domínguez, Arseniy I Kuznetsov, Andrey E Miroshnichenko, Yuri S Kivshar
We reveal that an isotropic, homogeneous, subwavelength particle with high refractive index can produce ultra-small total scattering. This effect, which follows from the inhibition of the electric dipole radiation, can be identified as a Fano resonance in the scattering efficiency and is associated with the excitation of an anapole mode in the particle. This anapole mode is non-radiative and emerges from the destructive interference of electric and toroidal dipoles. The invisibility effect could be useful for the design of highly transparent optical materials...
March 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28217381/concurrent-cervical-dural-and-multiple-perimedullary-arteriovenous-fistulas-presenting-with-subarachnoid-hemorrhage-the-source-of-bleeding-was-invisible-at-initial-angiography
#8
Iku Nambu, Naoyuki Uchiyama, Kouichi Misaki, Masanao Mohri, Mitsutoshi Nakada
BACKGROUND: We report the concurrence of a spinal dural arteriovenous fistula (DAVF) and multiple perimedullary arteriovenous fistulas (PAVFs) presenting with subarachnoid hemorrhage (SAH). Moreover, the bleeding site was detected 1 month after onset. CASE DESCRIPTION: A 56-year-old man was admitted to our hospital with an SAH. A DAVF and two PAVFs were detected at the C2 level by two rounds of digital subtraction angiography. The source of bleeding, an aneurysm on the feeding artery of PAVF, was detected at the second angiogram, which was performed 1 month after the onset of SAH...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28216570/an-electromagnetic-sensor-for-the-autonomous-running-of-visually-impaired-and-blind-athletes-part-i-the-fixed-infrastructure
#9
Marco Pieralisi, Valentina Di Mattia, Valerio Petrini, Alfredo De Leo, Giovanni Manfredi, Paola Russo, Lorenzo Scalise, Graziano Cerri
Sport is one of the best ways to promote the social integration of people affected by physical disability, because it helps them to increase their self-esteem by facing difficulties and overcoming their disabilities. Nowadays, a large number of sports can be easily played by visually impaired and blind athletes without any special supports, but, there are some disciplines that require the presence of a sighted guide. In this work, the attention will be focused on marathons, during which athletes with visual disorders have to be linked to the sighted guide by means of a non-stretchable elbow tether, with an evident reduction of their performance and autonomy...
February 14, 2017: Sensors
https://www.readbyqxmd.com/read/28216209/feasibility-and-safety-of-distal-and-proximal-combined-endovascular-approach-with-a-balloon-guiding-catheter-for-subclavian-artery-total-occlusion-a-case-report
#10
Taiki Yamamoto, Tomotaka Ohshima, Kojiro Ishikawa, Shunsaku Goto, Yosuke Tamari
BACKGROUND: Symptomatic subclavian artery total occlusion is widely treated with an endovascular procedure, which often results in distal vertebral artery embolism. Therefore, protection devices are important. Setting up a filter or balloon device in the vertebral artery can protect against this distal embolism. However, the use of embolic protection devices is not easy and makes the procedure more complicated. Here we report a case of symptomatic subclavian artery total occlusion that was successfully treated with a balloon-guiding catheter and the pull-through technique...
February 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28215085/peptide-functionalized-gold-nanoparticles-as-a-stimuli-responsive-contrast-medium-in-multi-photon-microscopy
#11
Johan Borglin, Robert Selegård, Daniel Aili, Marica B Ericson
There is a need for biochemical contrast mediators with high signal to noise ratios enabling non-invasive biomedical sensing, e.g., for neural sensing, protein-protein interactions, in addition to cancer diagnostics. The translational challenge is to develop a biocompatible approach ensuring high biochemical contrast while avoiding a raise of the background signal. We here present a concept where gold nanoparticles (AuNPs) can be utilized as a stimuli responsive contrast medium by chemically triggering their ability to exhibit multiphoton induced luminescence (MIL) when performing multi-photon laser scanning microscopy (MPM)...
February 20, 2017: Nano Letters
https://www.readbyqxmd.com/read/28213237/revealing-the-location-of-semen-vaginal-fluid-and-urine-in-stained-evidence-through-near-infrared-chemical-imaging
#12
Félix Zapata, Fernando E Ortega-Ojeda, Carmen García-Ruiz
Crime scene investigation (CSI) requires the ultimate available technology for a rapid, non-destructive, and accurate detection of a wide variety of evidence including invisible stains of bodily fluids. Particularly crucial is the discrimination of semen in stained evidence from sexual abuse cases. This is because those evidence have high odds of containing the DNA from the aggressor. To this aim, we demonstrated the potential of near infrared hyperspectral imaging (NIR-HSI) to make visible stains of semen, vaginal fluid, and urine on fabrics, which lays the bases to face the challenging visualization and discrimination of semen within bodily fluids mixtures...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28211683/the-central-role-of-bicarbonate-in-the-electrochemical-re-duction-of-carbon-dioxide-on-gold
#13
Marco Dunwell, Qi Lu, Jeffrey M Heyes, Jonathan Rosen, Jingguang G Chen, Yushan Yan, Feng Jiao, Bingjun Xu
Much effort has been devoted in the development of efficient catalysts for electrochemical reduction of CO2. Molecular level understanding of electrode-mediated process, particularly the role of bicarbonate in increasing CO2 reduction rates, is still lacking due to the difficulty of directly probing the electrochemical interface. We developed a protocol to observe normally invisible reaction intermediates with a surface enhanced spectroscopy by applying square-wave potential profiles. Further, we demonstrate that bicarbonate, through equilibrium exchange with dissolved CO2, rather than the supplied CO2, is the primary source of carbon in the CO formed at the Au electrode by a combination of in-situ spectroscopic, isotopic labeling, and mass spectroscopic investigations...
February 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28211549/review-of-health-and-risk-behaviours-mental-health-problems-and-suicidal-behaviours-in-young-europeans-on-the-basis-of-the-results-from-the-eu-funded-saving-and-empowering-young-lives-in-europe-seyle-study
#14
REVIEW
Danuta Wasserman
An estimated 800 000 suicide deaths occur worldwide. The global suicide rate is 11.4 per 100 000 population; 15.0/100 000 for males and 8.0/100 000 for females. Globally, suicide is the second leading cause of death in 15-29 year olds. In a collaborative effort to reduce the high rates of suicide and mental health problems among youth across Europe, the European Union 7th Framework funded the Saving and Empowering Young Lives in Europe (SEYLE) project. SEYLE is a randomized controlled trial (RCT) aimed to promote mental health and healthy lifestyles, while preventing psychopathology and suicidal behaviours among adolescents...
December 23, 2016: Psychiatria Polska
https://www.readbyqxmd.com/read/28210486/touch-accelerates-visual-awareness
#15
Claudia Lunghi, Luca Lo Verde, David Alais
To efficiently interact with the external environment, our nervous system combines information arising from different sensory modalities. Recent evidence suggests that cross-modal interactions can be automatic and even unconscious, reflecting the ecological relevance of cross-modal processing. Here, we use continuous flash suppression (CFS) to directly investigate whether haptic signals can interact with visual signals outside of visual awareness. We measured suppression durations of visual gratings rendered invisible by CFS either during visual stimulation alone or during visuo-haptic stimulation...
January 2017: I-Perception
https://www.readbyqxmd.com/read/28210315/news
#16
REVIEW
(no author information available yet)
Rare diseases are defined by a limited prevalence of ≤5 cases per 10 000 individuals in Europe [1]. This definition includes around 8000 diseases, many of which are unknown not only to the public but also to the vast majority of healthcare professionals and text books. It is estimated that, as a whole, rare diseases affect around 25 to 30 million people in Europe. Most rare diseases are chronic and debilitating and appear in early childhood or young adulthood, accounting for a significant proportion of infant mortality and childhood/life-long disability...
December 2016: Breathe
https://www.readbyqxmd.com/read/28198841/optical-neutrality-invisibility-without-cloaking
#17
Reed Hodges, Cleon Dean, Maxim Durach
We show that it is possible to design an invisible wavelength-sized metal-dielectric metamaterial object without evoking cloaking. Our approach is an extension of the neutral inclusion concept by Zhou and Hu [Phys. Rev. E74, 026607 (2006)PLEEE81063-651X10.1103/PhysRevE.74.026607] to Mie scatterers. We demonstrate that an increase of metal fraction in the metamaterial leads to a transition from dielectric-like to metal-like scattering, which proceeds through invisibility or optical neutrality of the scatterer...
February 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28196276/pcr-fishing-for-red-endophytes-in-british-columbia-kallymeniaceae-gigartinales-florideophyceae-uncovers-the-species-rich-kallymenicola-gen-nov-palmariales-nemaliophycidae
#18
Joshua R Evans, Gary W Saunders
Unexpected contaminants uncovered during routine COI-5P DNA barcoding of British Columbia Kallymeniaceae indicated the presence of a novel lineage allied to the family Meiodiscaceae, Palmariales. Available rbcL data for species of this family were used to design specific primers to screen for the presence of the meiodiscacean species in 534 kallymeniacean specimens primarily from British Columbia, Canada. Ultimately, 43 positive PCR products representing six diverse genetic groups from nine host species were uncovered; three are described here in the new genus Kallymenicola gen...
February 14, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28195227/non-blind-acoustic-invisibility-by-dual-layers-of-homogeneous-single-negative-media
#19
He Gao, Yi-Fan Zhu, Xu-Dong Fan, Bin Liang, Jing Yang, Jian-Chun Cheng
Non-blind invisibility cloaks allowing the concealed object to sense the outside world have great application potentials such as in high-precision sensing or underwater camouflage. However the existing designs based on coordinate transformation techniques need complicated spatially-varying negative index or intricate multi-layered configurations, substantially increasing the difficulty in practical realization. Here we report on the non-blind acoustic invisibility for a circular object in free space with simple distribution of cloak parameters...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194331/-the-invisible-participant-s-experiences-in-clinical-trials
#20
Sarojini Nadimpally, Divya Bhagianadh
BACKGROUND: The paper discussing the perspectives of clinical trial participants about the various aspects of CTs is based on the primary research conducted by Sama in 2012-13. METHODOLOGY: In-depth interviews were conducted with 36 CT participants from the states of New Delhi, Gujarat, Maharashtra and Andhra Pradesh. In addition to CT participants, other key informants including investigators, representatives of Contract Research Organizations (CROs), sponsor, Ethics Committee (EC) members etc...
January 2017: Perspectives in Clinical Research
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