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Lee Lan-Sook - - 2012
We analyzed metabolites from a 50% aqueous methanol extract of green teas treated with different shade periods (0, 15, 18, and 20 days) to investigate the effect of low light on their nutritional and sensory qualities. The shaded groups could be clearly distinguished from the control (0 day), and the ...
Kozaki Tomoaki - - 2012
Objective:We evaluated the possible effects of reduced illumination in the workplace on insomnia among office workers.Methods:Seventy-two office workers answered the Athens Insomnia Scale (AIS) in July 2009 (under ordinary illumination, OI conditions) and July 2010 (under reduced illumination, RI conditions).The workers were divided into three groups, indoor workers (IWs), semi-outdoor ...
Wheeland Ronald G - - 2012
Objective: To assess the safety and effectiveness of treating acne for eight weeks using a new blue light device at a dose of ˜2J/cm(2)/day (representing typical full-face treatment) or ˜29J/cm(2)/day (representing the typical dose after localized spot treatment of acne). Design: Prospective, single-center, open-label study evaluating two levels of blue ...
Lifshitz Michael - - 2012
Disparate theoretical viewpoints construe hypnotic suggestibility either as a stable trait, largely determined by underlying cognitive aptitude, or as a flexible skill amenable to attitudinal factors including beliefs and expectations. Circumscribed findings support both views. The present study attempted to consolidate these orthogonal perspectives through the lens of expectancy modification. ...
de Dios Marcel A MA Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI 02912, USA. - - 2012
Light smoking is particularly prevalent among Latino smokers. Nicotine replacement (NRT) and varenicline are effective medications for smoking cessation for moderate-heavy smokers but have not been tested in light smokers, and thus, there are no treatment guidelines for use with light smokers. This pilot trial tested the efficacy of NRT ...
Karanasiou Irene S - - 2011
The mismatch negativity (MMN) component of the auditory event-related potential is associated with automatic perceptual inference concerning changes in auditory stimulation. Recent studies have addressed the question whether performance and MMN is affected by the direction of frequency deviance. In the present study, the frequency MMN and performance is investigated ...
Griffiths Andrew M - - 2011
Multiple paternity (MP) has been demonstrated in a variety of sharks, although its prevalence and the number of sires per litter vary considerably among species. To date, such analyses have focused on viviparous species that possess only part of the wide spectrum of reproductive strategies developed in elasmobranchs. We analyzed ...
Stevens Jennifer A - - 2011
Proprioception is the sense of the position of one's own body. Here, we present a case study of an individual with proprioceptive loss in one limb consequent to stroke. The patient indicated that merely touching his impaired arm with his unimpaired arm temporarily restored his proprioception. We examined this claim ...
Hoch Matthew C - - 2011
PURPOSE:: The purpose of this study was to investigate the vibrotactile detection thresholds of the plantar cutaneous afferents in subjects with chronic ankle instability compared to healthy control subjects. METHODS:: Eight adults with chronic ankle instability and 8 adults with no ankle sprain history participated. Vibrotactile detection thresholds were assessed ...
Johnson M S - - 2012
Hotter conditions favour effectively unbanded (EUB) shells in the snail Theba pisana. T. pisana is also polymorphic for colour of the shell's apex, determined by a pair of alleles at a locus linked to the banding locus. Apex colour is epistatic to shell banding, such that banded snails with a ...
Kagawa Takahiro - - 2011
We investigated corrective reactions for backward balance losses during walking. Several biomechanical studies have suggested that backward falling can be predicted from the horizontal position and velocity of the body center of mass (COM) related to the stance foot. Our hypothesis was that corrective reactions for backward balance losses depend ...
Peng Hsin-Chieh - - 2011
One single material that emits white light is of paramount interest for the development of white light-emitting diodes (WLEDs). Here we report a novel nanocomposite, in which a new type of excited-sate intramolecular proton transfer (ESIPT) molecule, namely 5-(1,2-dithiolan-3-yl)-N-(2-{[4-(3-hydroxy-4-oxo-4H-chromen-2-yl)phenyl](methyl)amino}ethyl)pentanamide (HF-N-LA), is anchored onto the surface of ultrasmall CdSe quantum dots ...
Sun Jian - - 2011
Efficient cw 532 nm green-light generation is demonstrated using a periodically poled MgO:LiNbO<sub>3</sub> ridge waveguide prepared by a process that combines annealed proton exchange and precise dicing. Performance of waveguides with different widths has been investigated. The 6-μm-wide, 1.6-cm-long uncoated ridge waveguide has achieved a green output power of 127 mW under ...
Tateishi Yusuke - - 2011
Sensory rhodopsin II is a seven transmembrane helical retinal protein and functions as a photoreceptor protein in negative phototaxis of halophilic archaea. Sensory rhodopsin II from Natronomonas pharaonis (NpSRII) is stable under various conditions and can be expressed functionally in Escherichia coli cell membranes. Rhodopsins from microorganisms, known as microbial ...
Sudo Yuki - - 2011
Rhodopsins possess retinal chromophore surrounded by seven transmembrane α-helices, are widespread in prokaryotes and in eukaryotes, and can be utilized as optogenetic tools. Although rhodopsins work as distinctly different photoreceptors in various organisms, they can be roughly divided according to their two basic functions, light-energy conversion and light-signal transduction. In ...
Crone Nathan E NE Department of Neurology, The Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 2-147, Baltimore, Maryland 21287, United States. - - 2011
In this paper, a brief, preliminary attempt is made to frame a scientific debate about how functional responses at gamma frequencies in electrophysiological recordings (EEG, MEG, ECoG, and LFP) should be classified and interpreted. In general, are all gamma responses the same, or should they be divided into different classes ...
von Leupoldt Andreas - - 2011
The respiratory-related evoked potential (RREP) has become an established technique for studying the neural processing of respiratory signals. However, the increasing availability of high-density EEG systems necessitates new criteria for obtaining acceptable RREPs with these systems. The present study examined the minimum criteria for the number of inspiratory occlusions that ...
Voytek Bradley - - 2010
Human electrophysiological research is generally restricted to scalp EEG, magneto-encephalography, and intracranial electrophysiology. Here we examine a unique patient cohort that has undergone decompressive hemicraniectomy, a surgical procedure wherein a portion of the calvaria is removed for several months during which time the scalp overlies the brain without intervening bone. ...
Gazit T - - 2011
Expert evaluation of electrocorticographic (ECoG) recordings forms the linchpin of seizure onset zone localization in the evaluation of epileptic patients for surgical resection. Numerous methods have been developed to analyze these complex recordings, including uni-variate (characterizing single channels), bi-variate (comparing channel pairs) and multivariate measures. Developing reliable algorithms may be ...
Mullinger Karen J - - 2011
Large artefacts that compromise EEG data quality are generated when electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) are carried out concurrently. The gradient artefact produced by the time-varying magnetic field gradients is the largest of these artefacts. Although average artefact correction (AAS) and related techniques can remove the majority ...
Warren Jennifer R - - 2010
The complete Multidimensional Measure of Stress (MMOS) measure may be made available to interested persons by contacting the corresponding author. Smoking rates are higher among inner-city and lower-income African Americans, perhaps due to psychosocial barriers to cessation efforts, including stress. To describe the development of the MMOS and examine the ...
Chen C Y - - 2011
Behavioural correlates of the hippocampal theta rhythm have been suggested to include voluntary motor behaviours and spatial learning. The involvement of visual information during these processes is still undetermined. Therefore, our aim was to clarify the contribution of locomotion and visual information to the generation of hippocampal theta during locomotion. ...
Arzy S - - 2010
The clinical and molecular effects of antiepileptic drugs (AEDs) have been extensively investigated. Much less is known about their effects on human electrophysiology. Topographic analysis in the frequency domain has been used to analyze 104 electroencephalogram (EEG) epochs of 52 patients presenting with first-ever generalized seizure, with normal MRI and ...
Bok Levinus A - - 2010
Pyridoxine-dependent epilepsy (PDE) is characterized by therapy-resistant seizures (TRS) responding to intravenous (IV) pyridoxine. PDE can be identified by increased urinary alpha-aminoadipic semialdehyde (α-AASA) concentrations and mutations in the ALDH7A1 (antiquitin) gene. Prompt recognition of PDE is important for treatment and prognosis of seizures. We aimed to determine whether immediate ...
Busch Niko A - - 2010
An important effect of sustained attention is the facilitation of perception. Although the term "sustained" suggests that this beneficial effect endures continuously as long as something is attended, we present electrophysiological evidence that perception at attended locations is actually modulated periodically. Subjects detected brief light flashes that were presented peripherally ...
Glen John - - 2010
Awareness under anaesthesia is an uncommon but serious phenomenon, which continues to occur despite the use of commercially available depth-of-anaesthesia (DOA) monitors. Many of these monitors use processed electroencephalographic (EEG) data to give an indication of anaesthetic depth. They all suffer from error due to electrical interference, individual variation and ...
Ba┼čar Erol - - 2010
In previous studies on Alzheimer's patients it was shown that, in frontal and parietal locations, delta and theta responses of AD patients were greatly reduced. The present study analyzed coherence functions in these highly affected frontal and parietal areas. Visual sensory and event related coherences of patients with Alzheimer type ...
Lansbergen Marieke M - - 2011
Attention-deficit/hyperactivity disorder (ADHD) was found to be characterized by a deviant pattern of electrocortical activity during resting state, particularly increased theta and decreased beta activity. The first objective of the present study is to confirm whether individuals with slow alpha peak frequency contribute to the finding of increased theta activity ...
Dehghani Nima - - 2010
The resistive or non-resistive nature of the extracellular space in the brain is still debated, and is an important issue for correctly modeling extracellular potentials. Here, we first show theoretically that if the medium is resistive, the frequency scaling should be the same for electroencephalogram (EEG) and magnetoencephalogram (MEG) signals ...
Witte H - - 2011
Burst activity of the 'trace alternant' (TA) EEG pattern in the quiet sleep of full-term newborns is investigated to explore the timing and the time-variant coupling characteristics of and between a burst's oscillatory components. The working hypothesis is that signal properties provide information about the neuronal initiation processes of the ...
Wacker Matthias - - 2011
Synchronization analysis of multitrial EEG or (magneto encephalogram) MEG signals is an excellent approach to detect functional connectivity between different neuronal oscillators. In our current research, the n:m phase synchronization index (n:m PSI ) is of special interest. We prove the existence of stable and unstable synchronies dependent upon the ...
Sleigh James W - - 2010
A variety of effects of surgical incision on the electroencephalogram (EEG) during modern general anesthesia have been previously described; including both increases and decreases in both high and low frequencies in the EEG. What are the patterns commonly seen during routine clinical anesthesia? We analyzed pre-frontal EEG data from a ...
Gersenowies Jorge - - 2010
In this paper we have made a broadband analysis to detect the electroencephalogram (EEG) frequencies that change selectively during the presentation of normal and "thatcherized" faces. Referential recordings to linked ears were obtained in 21 leads in 48 right-handed healthy male volunteers. Increase of delta power (1.75-3.91 Hz) was observed, ...
Lee Seung Hyun - - 2010
The purpose of this study was to examine the cerebral changes in high beta frequency oscillations (22-30 Hz) induced by sertraline and by audiovisual erotic stimuli in healthy adult males. Scalp electroencephalographies (EEGs) were conducted twice in 11 healthy, right-handed males, once before sertraline intake and again 4 hours thereafter. ...
Fingelkurts Alexander A - - 2010
This paper describes for the first time the phenomenon of spatio-temporal mapping of interchannel temporal coincidences of rapid transition processes (RTPs) in multiple EEG frequencies. It is suggested that RTPs in multiple EEG frequencies found in different EEG channels could reflect the process of switching between brain operations performed by ...
Ahlfors Seppo P - - 2010
An important difference between magnetoencephalography (MEG) and electroencephalography (EEG) is that MEG is insensitive to radially oriented sources. We quantified computationally the dependency of MEG and EEG on the source orientation using a forward model with realistic tissue boundaries. Similar to the simpler case of a spherical head model, in ...
Nonclercq A - - 2010
Identification of spikes in the electroencephalogram (EEG) plays an important role during the diagnosis of neurological disorders such as epilepsy. Automatic spike detection (ASD) is attractive because it reduces the diagnostic time and improves objectivity of the scoring. Unfortunately, automatic detection is sometimes confounded by artifacts, particularly motion artifacts which ...
Barry Robert J - - 2010
We examined relationships between the phase of narrow-band electroencephalographic (EEG) activity at stimulus onset and the resultant event-related potentials (ERPs) in an equiprobable auditory Go/NoGo task with a fixed SOA, in the context of a novel conceptualisation of orthogonal phase effects (cortical negativity vs. positivity, negative driving vs. positive driving, ...
Dehghani Nima - - 2010
The resistive or non-resistive nature of the extracellular space in the brain is still debated, and is an important issue for correctly modeling extracellular potentials. Here, we first show theoretically that if the medium is resistive, the frequency scaling should be the same for electroencephalogram (EEG) and magnetoencephalogram (MEG) signals ...
Schaefer Rebecca S - - 2011
In the current study we use electroencephalography (EEG) to detect heard music from the brain signal, hypothesizing that the time structure in music makes it especially suitable for decoding perception from EEG signals. While excluding music with vocals, we classified the perception of seven different musical fragments of about three ...
Kemp Bob - - 2010
Traditional electroencephalogram (EEG) recorders reject low frequencies and DC and therefore cannot handle fullband EEG. Dedicated fullband recorders use non-standard file formats, because the standard format (EDF) cannot handle large DC electrode offset voltages. Both facts limit the development and use of fullband EEG. We developed a modification that allows ...
Ruiz Yusely - - 2010
Prior studies of multichannel ECoG from animals showed that beta and gamma oscillations carried perceptual information in both local and global spatial patterns of amplitude modulation, when the subjects were trained to discriminate conditioned stimuli (CS). Here the hypothesis was tested that similar patterns could be found in the scalp ...
Prinz S - - 2010
Stunning efficiency of a pulsed direct current was assessed regarding the effect on the electroencephalogram (EEG) and physical reflexes. Four hundred sixty-seven broilers (males and females) were stunned in an electrified waterbath with 60, 80, 100, 120, and 150 mA at frequencies of 70, 100, 200, 400, 800, and 1,500 ...
Avilés José M Reales - - 2010
The study of touch has recently grown, due mainly to the extensive use of several types of actuators that stimulate several subsystems of touch. There is a widespread interest in applying these mechanisms to the study of the neurophysiological correlates of tactual perception. In this article, we present a new ...
Hashio Fuyuko - - 2010
In order to obtain information regarding the correlation between an electroencephalogram (EEG) and the state of a dolphin, we developed a noninvasive recording method of EEG of a bottlenose dolphin (Tursiops truncatus) and an extraction method of true-EEG (EEG) from recorded-EEG (R-EEG) based on a human EEG recording method, and ...
Gwin Joseph T - - 2010
Although human cognition often occurs during dynamic motor actions, most studies of human brain dynamics examine subjects in static seated or prone conditions. EEG signals have historically been considered to be too noise prone to allow recording of brain dynamics during human locomotion. Here we applied a channel-based artifact template ...
Hadjidimitriou S - - 2010
Sensorimotor activity in response to motion reflecting audiovisual titillation is studied in this article. EEG recordings, and especially the Mu-rhythm over the sensorimotor cortex (C3, CZ, and C4 electrodes), were acquired and explored. An experiment was designed to provide auditory (Modest Mussorgsky's "Promenade" theme) and visual (synchronized human figure walking) ...
Liu Tao - - 2010
Not until recently have motion-onset visual evoked potentials (mVEPs) been explored as a modality for brain-computer interface (BCI) applications. In this study, the first online BCI system based on mVEPs is presented, in which selection is discerned by subjects' focused attention to the moving cursor at a target virtual button. ...
Hayashi Kazuko - - 2010
OBJECTIVE: Rhythms on electroencephalography (EEG) are known to slow with cardiopulmonary bypass (CPB), however electroencephalographic bicoherence analysis, one of the methods to examine EEG synchronization, which is necessary for the understanding of the network regulation involved, has been poorly examined in this period. METHODS: Subjects comprised 11 patients scheduled to ...
Stuttmann Ralph - - 2010
Xenon was approved as an inhaled anaesthetic in Germany in 2005 and in other countries of the European Union in 2007. Owing to its low blood/gas partition coefficient, xenons effects on the central nervous system show a fast onset and offset and, even after long xenon anaesthetics, the wake-up times ...
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