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Yang Sungwook S Robotics Institute, Carnegie Mellon University, Pittsburgh, PA 15213 - - 2015
This paper presents the design and actuation of a six-degree-of-freedom (6-DOF) manipulator for a handheld instrument, known as "Micron," which performs active tremor compensation during microsurgery. The design incorporates a Gough-Stewart platform based on piezoelectric linear motor, with a specified minimum workspace of a cylinder 4 mm long and 4 ...
Bloch Natasha I NI http://orcid.org/0000-0002-4769-1027 Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA - - 2015
Theories of sexual and natural selection predict coevolution of visual perception with conspecific colour and/or the light environment animals occupy. One way to test these theories is to focus on the visual system, which can be achieved by studying the opsin-based visual pigments that mediate vision. Birds vary greatly in ...
Cvikel Noam N Department of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, - - 2015
Animals often deal with situations in which vast sensory input is received simultaneously. They therefore must possess sophisticated mechanisms to select important input and ignore the rest. In bat echolocation, this problem is at its extreme. Echolocating bats emit sound signals and analyse the returning echoes to sense their environment. ...
Hidayat Egi E Department of Information Technology, Uppsala University, Uppsala, Sweden, - - 2015
The classical Hassenstein-Reichardt mathematical elementary motion detector (EMD) model is treated analytically. The EMD is stimulated with drifting sinusoidal gratings, which are often used in motion vision research, thus enabling direct comparison with neural responses from motion-sensitive neurones in the fly brain. When sinusoidal gratings are displayed on a cathode ...
Andrada Emanuel E Science of Motion, Friedrich-Schiller University Jena, Seidelstraße 20, 07749 Jena, Germany - - 2014
In contrast to the upright trunk in humans, trunk orientation in most birds is almost horizontal (pronograde). It is conceivable that the orientation of the heavy trunk strongly influences the dynamics of bipedal terrestrial locomotion. Here, we analyse for the first time the effects of a pronograde trunk orientation on ...
Arrighi Roberto R Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, via San Salvi 12, Florence 50135, - - 2014
Much evidence has accumulated to suggest that many animals, including young human infants, possess an abstract sense of approximate quantity, a number sense. Most research has concentrated on apparent numerosity of spatial arrays of dots or other objects, but a truly abstract sense of number should be capable of encoding ...
McAuley J Devin JD Department of Psychology, Michigan State University, East Lansing, MI 48824, USA - - 2014
This study considered the contribution of dynamic attending theory (DAT) and attentional entrainment to systematic distortions in perceived event duration. Three experiments were conducted using an auditory oddball paradigm, in which listeners judged the duration of a deviant (oddball) stimulus embedded within a series of identical (standard) stimuli. To test ...
Kotz Sonja A SA School of Psychological Sciences, University of Manchester, Brunswick Street, Manchester M13 9PL, UK Department of Neuropsychology, Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstrasse 1a, 04103 Leipzig, Germany - - 2014
We live in a dynamic and changing environment, which necessitates that we adapt to and efficiently respond to changes of stimulus form ('what') and stimulus occurrence ('when'). Consequently, behaviour is optimal when we can anticipate both the 'what' and 'when' dimensions of a stimulus. For example, to perceive a temporally ...
Panchuelo Rosa M Sanchez RM Sir Peter Mansfield Magnetic Resonance Centre, School of Physics and Astronomy, University Park, University of Nottingham, Nottingham, NG7 2RD, UK, - - 2014
Spin echo (SE) EPI offers an alternative to standard gradient echo (GE) EPI for functional MRI. SE-EPI offers improved spatial specificity, since signal changes originate from the microvasculature, but its lower functional sensitivity has limited the usage of this sequence in fMRI experiments. Differential fMRI paradigms, in which two closely ...
Barrio Ana A Applied Vision Research Group, Faculty of Optics and Optometry, Complutense University of Madrid, Av. Arcos de Jalón 118, 28037, Madrid, Spain, - - 2014
To determine the repeatability of mesopic high-contrast (HC) and low-contrast (LC) visual acuity (VA) measurements made at distance and near in healthy young individuals. While the repeatability of photopic VA is well-known, there is a lack of information with regard to the repeatability of VA measured under low luminance conditions. ...
Chae Soo-Won - - 2014
Use of a baseplate with a smaller diameter in reverse shoulder arthroplasty is increasing, especially in patients with a small glenoid or glenoid wear. However, the effect of a smaller baseplate on stability of the glenoid component has not been evaluated. Thus, the purpose of this study was to determine ...
Patil Amol V - - 2014
Impedance derived electroanalytical assays are inherently spectroscopic (frequency resolved) and potentially exceedingly sensitive indicators of interfacial change (such as target binding with an appropriate receptor). We introduce here the use of a portfolio of mathematically derived immittance functions and related components capable, from the same raw data sets, of enabling ...
Hwang Kun K From the *Department of Plastic Surgery, †Inha University School of Medicine, Incheon, Korea; ‡Peninsula Medical School, Exeter, UK; and §Inha Research Institute for Medical Science, Inha University, Incheon, - - 2014
The aim of this study is to analyze the frequency of existence, numbers, and location of the accessory infraorbital foramen (AIOF).In a PubMed search, 166 articles resulted using the term infraorbital foramen (IOF). The abstracts were read, and 15 full-text articles were reviewed. Among them, 13 articles were analyzed.The frequency ...
Morgan Michèle E ME Peabody Museum of Archaeology and Ethnology and memorgan@fas.harvard.edu - - 2014
We describe a partial innominate, YGSP 41216, from a 12.3 Ma locality in the Siwalik Group of the Potwar Plateau in Pakistan, assigned to the Middle Miocene ape species Sivapithecus indicus. We investigate the implications of its morphology for reconstructing positional behavior of this ape. Postcranial anatomy of extant catarrhines ...
Inoue Kumi Y KY Graduate School of Environmental Studies, Tohoku University, 6-6-11 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan. - - 2014
We have developed a large-scale integrated (LSI) complementary metal-oxide semiconductor (CMOS)-based amperometric sensor array system called "Bio-LSI" as a platform for electrochemical bio-imaging and multi-point biosensing with 400 measurement points. In this study, we newly developed a Bio-LSI chip with a light-shield structure and a mode-selectable function with the aim ...
Kennedy Deanna M DM Human Performance Laboratory, Department of Health and Kinesiology, Texas A&M University, College Station, - - 2014
Three experiments were designed to determine the level of cooperation or interference observed from the forces generated in one limb on the forces exhibited by the contralateral limb when one or both limbs were producing a constant force (Experiment 1), one limb was producing a dynamic force while the other ...
Brown Andrew D AD Department of Physiology and Biophysics, University of Colorado School of Medicine, Aurora, CO, 80045, USA, - - 2014
In ordinary listening environments, acoustic signals reaching the ears directly from real sound sources are followed after a few milliseconds by early reflections arriving from nearby surfaces. Early reflections are spectrotemporally similar to their source signals but commonly carry spatial acoustic cues unrelated to the source location. Humans and many ...
Saha Devjani J DJ Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, IL, USA, - - 2014
The primary objective of this study was to establish the coordinate frame for force control by observing how parameters of force that are not explicitly specified by a motor task vary across the workspace. We asked subjects to apply a force of a specific magnitude with their hand. Subjects could ...
Mostafa Ahmed A AA Centre for Vision Research, York University, Ontario, Canada, - - 2014
Studies have shown that adapting one's reaches in one location in the workspace can generalize to other novel locations. Generalization of this visuomotor adaptation is influenced by the location of novel targets relative to the trained location such that reaches made to novel targets that are located far from the ...
Trudeau Maeve O'Neill MO Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Canada, - - 2014
Laparoscopic models for ex vivo up-skilling are becoming increasingly important components of surgical education. This study aims to establish the construct validity and possible educational role of a new laparoscopic box trainer equipped with a motion-tracking device. A structured questionnaire was used to assign participants into novice, intermediate, or expert ...
Reynolds Raymond F RF School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham B15 2TT, UK - - 2014
Here we explain the neural and mechanical mechanisms responsible for synchronizing sway and improving postural control during physical contact with another standing person. Postural control processes were modelled using an inverted pendulum under continuous feedback control. Interpersonal interactions were simulated either by coupling the sensory feedback loops or by physically ...
Barnes Graham G Faculty of Life Sciences, University of Manchester, Dover Street, Manchester, M13 9PL, UK, - - 2014
We compared pursuit responses to 2D target motion in three separate conditions: predictable, randomised and randomised with timing cues. The target moved on a continuous quadrilateral path in which right-angle direction changes allowed anticipatory eye acceleration and deceleration in orthogonal axes to be assessed. Results indicated that whether the timing ...
Chen Juan J The Brain and Mind Institute, University of Western - - 2014
Objects rarely appear in isolation in natural scenes. Although many studies have investigated how nearby objects influence perception in cluttered scenes (i.e., crowding), none has studied how nearby objects influence visually guided action. In Experiment 1, we found that participants could scale their grasp to the size of a crowded ...
Hoffmann Malte M Wolfson Brain Imaging Centre, University of Cambridge, Cambridge, United Kingdom. Electronic address: - - 2014
Functional magnetic resonance imaging (fMRI) can be seriously impaired by patient motion. The purpose of this study was to characterise the typical motion in a clinical population of patients in disorders of consciousness and compare the performance of retrospective correction with rigid-body realignment as implemented in widely used software packages. ...
Glazebrook Cheryl M CM Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Ontario M5S 2W6, Canada; Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada; Health, Leisure, and Human Performance Research Institute, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada. Electronic address: - - 2014
Adam, Mol, Pratt, and Fischer (2006) reported what they termed "a violation of Fitts's Law" - when participants aimed to targets in an array, movement times (MTs) to the last target location (highest index of difficulty (ID)) were shorter than predicted by Fitts's Law. Based on the results of subsequent ...
Inada Emi E Department of Pediatric Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8544, - - 2014
It is very difficult for dental professionals to objectively assess tooth brushing skill of patients, because an obvious index to assess the brushing motion of patients has not been established. The purpose of this study was to quantitatively evaluate toothbrush and arm-joint motion during tooth brushing. Tooth brushing motion, performed ...
Trancoso Ralph R Instituto de Geociências, Campus Universitário Darcy Ribeiro, Universidade de Brasília, CEP, 70919-970, Brasília, DF, Brazil, - - 2015
The Cerrado is a biome in Brazil that is experiencing the most rapid loss in natural vegetation. The objective of this study was to analyze the changes in the spectral response in the red, near infrared (NIR), middle infrared (MIR), and normalized difference vegetation index (NDVI) when native vegetation in ...
Dingemanse J Gertjan JG Department of ENT, Erasmus Medical Center, Rotterdam, The - - 2014
Noise reduction algorithms have recently been introduced in the design of clinically available cochlear implants. This study was intended (1) to evaluate the effect of noise reduction algorithm "ClearVoice" on noise tolerance and on speech intelligibility in noisy conditions at different speech-in-noise ratios in cochlear implant users; (2) to test ...
Soltysik David A DA Division of Biomedical Physics, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, Office of Medical Products and Tobacco, U.S. Food and Drug Administration, 10903 New Hampshire Ave, Silver Spring, MD 20993, USA. Electronic address: - - 2014
Functional magnetic resonance imaging (fMRI) time series are subject to corruption by many noise sources, especially physiological noise and motion. Researchers have developed many methods to reduce physiological noise, including RETROICOR, which retroactively removes cardiac and respiratory waveforms collected during the scan, and CompCor, which applies principal components analysis (PCA) ...
Pham Duc-Son - - 2014
Dynamically changing background ('dynamic background') still presents a great challenge to many motion-based video surveillance systems. In the context of event detection, it is a major source of false alarms. There is a strong need from the security industry either to detect and suppress these false alarms, or dampen the ...
Bompas Aline A Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, Cardiff University, Tower Building, Park Place, Cardiff, CF10 3AT, UK; INSERM, U1028, CNRS, UMR5292, Lyon Neuroscience Research Center, Brain Dynamics and Cognition Team, Hopital du Vinatier, 95 Boulevard Pinel, Bron, 69500, France. Electronic address: - - 2014
Large variability between individual response times, even in identical conditions, is a ubiquitous property of animal behavior. However, the origins of this stochasticity and its relation to action decisions remain unclear. Here we focus on the state of the perception-action network in the pre-stimulus period and its influence on subsequent ...
Bovier Emily R ER Department of Psychology, SUNY Oswego, Oswego, NY 13126, USA; Brain and Behavioral Sciences, The University of Georgia, Athens, GA 30602-3013, - - 2014
Speed of processing is a particularly important characteristic of the visual system. Often a behavioral reaction to a visual stimulus must be faster than the conscious perception of that stimulus, as is the case with many sports (e.g., baseball). Visual psychophysics provides a relatively simple and precise means of measuring ...
Sereda Magdalena M * National Institute for Health Research (NIHR) Nottingham Hearing Biomedical Research Unit , Nottingham , - - 2014
Objective: Psychoacoustic measures of tinnitus, in particular dominant tinnitus pitch and its relationship to the shape of the audiogram, are important in determining and verifying pathophysiological mechanisms of the condition. Our previous study postulated that this relationship might vary between different groups of people with tinnitus. For a small subset ...
Zhou Lei - - 2014
Because of their mechanical flexibility, organic light-emitting diodes (OLEDs) hold great promise as a leading technology for display and lighting applications in wearable electronics. The development of flexible OLEDs requires high-quality transparent conductive electrodes with superior bendability and roll-to-roll manufacturing compatibility to replace indium tin oxide (ITO) anodes. Here we ...
Alkawadri Rafeed R Department of Neurology, Yale Comprehensive Epilepsy Center, New Haven, Connecticut, - - 2014
To study the incidence, spatial distribution, and signal characteristics of high frequency oscillations (HFOs) outside the epileptic network. We included patients who underwent invasive evaluations at Yale Comprehensive Epilepsy Center from 2012 to 2013, had all major lobes sampled, and had localizable seizure onsets. Segments of non-rapid eye movement (NREM) ...
Fletcher Mark M , Nottingham, - - 2014
This study is concerned with the mechanism of off-frequency overshoot. Overshoot refers to the phenomenon whereby a brief signal presented at the onset of a masker is easier to detect when the masker is preceded by a "precursor" sound (which is often the same as the masker). Overshoot is most ...
Mehrparvar Amir Houshang AH * Occupational Medicine Department and Industrial Diseases Research Center, Shahid Sadoughi University of Medical Sciences , Yazd , - - 2014
Objective: Concurrent effect of noise and smoking on hearing loss is a recent concern. In this study, the concurrent effect of noise and smoking on hearing loss in conventional frequencies and frequencies higher than 8 kHz was assessed. Design: This was a cross-sectional study on workers exposed to noise who ...
Cox Karin M KM http://orcid.org/0000-0002-5418-0508 Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania - - 2014
Many theories of decision making assume that choice options are assessed along a common subjective value (SV) scale. The neural correlates of SV are widespread and reliable, despite the wide variation in the range of values over which decisions are made (e.g., between goods worth a few dollars, in some ...
Boonman Arjan A Department of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel. Electronic address: - - 2014
Because evolution mostly acts over millions of years, the intermediate steps leading to a functional sensory system remain enigmatic [1-3]. Accordingly, there is an ongoing debate regarding the evolution of bat echolocation [4-10]. In search of the origin of bat echolocation, we studied how Old World fruit bats, which have ...
Reece Joel D JD Department of Exercise and Sports Science, Brigham Young University-Hawaii, Laie, - - 2014
This study determined the validity and sensitivity of the SenseWear™ armband (SWA) during sedentary and light office duties compared with indirect calorimetry (IC). Participants (N = 22), 30 - 64 years of age, randomly performed six conditions for 5 minutes each (i.e., supine, sitting no movement, standing no movement, sitting ...
Scholtyssek Christine C Lund Vision Group, Functional Zoology, Department of Biology, Lund University, Sölvegatan 35, 22362, Lund, Sweden, - - 2014
All seals and cetaceans have lost at least one of two ancestral cone classes and should therefore be colour-blind. Nevertheless, earlier studies showed that these marine mammals can discriminate colours and a colour vision mechanism has been proposed which contrasts signals from cones and rods. However, these earlier studies underestimated ...
Schellekens Wouter W Brain Center Rudolf Magnus, UMC Utrecht, Str. 4.205, Postbus 85060, 3508 AB, Utrecht, The Netherlands, - - 2014
The current study investigates if early visual cortical areas, V1, V2 and V3, use predictive coding to process motion information. Previous studies have reported biased visual motion responses at locations where novel visual information was presented (i.e., the motion trailing edge), which is plausibly linked to the predictability of visual ...
Obdeijn Miryam C MC Department of Plastic, Reconstructive and Hand Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands, - - 2014
To facilitate effective and efficient training in skills laboratory, objective metrics can be used. Forces exerted on the tissues can be a measure of safe tissue manipulation. To provide feedback during training, expert threshold levels need to be determined. The purpose of this study was to define the magnitude and ...
Antognazza Maria Rosa MR Center for Nano Science and Technology, @PoliMi, Istituto Italiano di Tecnologia, Via Pascoli 70/3, Milano, 20133, - - 2014
An overview of the optical methods available to modulate the cellular activity in cell cultures and biological tissues is presented, with a focus on the use of exogenous functional materials that absorb electromagnetic radiation and transduce it into a secondary stimulus for cell excitation, with high temporal and spatial resolution. ...
McCreery Ryan W RW Department of Audiology, Boys Town National Research Hospital, Omaha, Nebraska, - - 2014
Diagnosis of hearing loss and prescription of amplification for infants and young children require accurate estimates of ear- and frequency-specific behavioral thresholds based on auditory brainstem response (ABR) measurements. Although the overall relationship between ABR and behavioral thresholds has been demonstrated, the agreement is imperfect, and the accuracy of predictions ...
Kelly John - - 2014
This paper presents a method for filtering sinusoidal noise with a variable bandwidth filter that is capable of tracking a sinusoid's drifting frequency. The method, which is based on the adaptive noise canceling (ANC) technique, will be referred to here as the adaptive sinusoid canceler (ASC). The ASC eliminates sinusoidal ...
Moerel Michelle M Center for Magnetic Resonance Research, Department of Radiology, University of MN, Minneapolis, 55455, USA. Electronic address: - - 2014
Musical notes played at octave intervals (i.e. having the same pitch chroma) are perceived as similar. This well-known perceptual phenomenon lays at the foundation of melody recognition and music perception, yet to date its neural underpinnings remain largely unknown. Using fMRI with high sensitivity and spatial resolution, we examine the ...
Triplet Jacob J JJ Nova Southeastern University, College of Osteopathic Medicine, Fort Lauderdale, FL, USA. Electronic address: - - 2014
Recovery of functional internal rotation after primary shoulder arthroplasty is essential to perform many important activities of daily living. Functional internal rotation is typically reported as it relates to clinical examination findings of motion (posterior reach) and lift-off or belly-press tests. A more detailed evaluation of functional recovery of internal ...
Stone Maureen M Department of Neural and Pain Science, Department of Orthodontics, University of Maryland School of Dentistry, Baltimore, MD, USA. telephone: 410-706-1269, fax: 410-706-0865, - - 2014
The production of speech includes considerable variability in speech gestures despite our perception of very repeatable sounds. Variability is seen in vocal tract shapes and tongue contours when different speakers produce the same sound. This study asks whether internal tongue motion patterns for a specific sound are similar across subjects, ...
Tremblay Marilyn M *Radiation Protection Bureau, 775 Brookfield Road, Ottawa, Ontario, Canada; †2424 Erwin Road, Hock Plaza Suite 302, Durham, NC - - 2014
The Human Monitoring Laboratory (Canada) has looked at parameters (lung volume, lung deposition pattern, etc.) that can affect the counting efficiency of its lung counting system. The calibration of the system is performed using the Lawrence Livermore National Laboratory (LLNL) torso phantom; however, the effect of respiratory motion cannot be ...
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