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https://www.readbyqxmd.com/read/28214770/masked-emotional-priming-a-double-dissociation-between-direct-and-indirect-effects-reveals-non-conscious-processing-of-emotional-information-beyond-valence
#1
Dirk Wentura, Michaela Rohr, Juliane Degner
We demonstrate non-conscious processing beyond valence by employing the masked emotional priming paradigm (Rohr, Degner, & Wentura, 2012) with a stimulus-onset asynchrony (SOA) variation. Emotional faces were briefly presented and directly masked, followed by the target face, using a SOA of either 43ms or 143ms. Targets were categorized as happy, angry, fearful, or sad. With short SOA, we replicated the differentiated priming effect within the negative domain (i.e., angry differentiate from fearful/sad). A direct test of prime awareness indicated that primes could not be discriminated consciously in this condition...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28212897/representing-composed-meanings-through-temporal-binding
#2
Hugh Rabagliati, Leonidas A A Doumas, Douglas K Bemis
A key feature of human thought and language is compositionality, the ability to bind pre-existing concepts or word meanings together in order to express new ideas. Here we ask how newly composed complex concepts are mentally represented and matched to the outside world, by testing whether it is harder to verify if a picture matches the meaning of a phrase, like big pink tree, than the meaning of a single word, like tree. Five sentence-picture verification experiments provide evidence that, in fact, the meaning of a phrase can often be checked just as fast as the meaning of one single word (and sometimes faster), indicating that the phrase's constituent concepts can be represented and checked in parallel...
February 14, 2017: Cognition
https://www.readbyqxmd.com/read/28211527/depth-specific-fluctuations-of-gene-expression-and-protein-abundance-modulate-the-photophysiology-in-the-seagrass-posidonia-oceanica
#3
Gabriele Procaccini, Miriam Ruocco, Lázaro Marín-Guirao, Emanuela Dattolo, Christophe Brunet, Daniela D'Esposito, Chiara Lauritano, Silvia Mazzuca, Ilia Anna Serra, Letizia Bernardo, Amalia Piro, Sven Beer, Mats Björk, Martin Gullström, Pimchanok Buapet, Lina M Rasmusson, Paulo Felisberto, Sylvie Gobert, John W Runcie, João Silva, Irene Olivé, Monya M Costa, Isabel Barrote, Rui Santos
Here we present the results of a multiple organizational level analysis conceived to identify acclimative/adaptive strategies exhibited by the seagrass Posidonia oceanica to the daily fluctuations in the light environment, at contrasting depths. We assessed changes in photophysiological parameters, leaf respiration, pigments, and protein and mRNA expression levels. The results show that the diel oscillations of P. oceanica photophysiological and respiratory responses were related to transcripts and proteins expression of the genes involved in those processes and that there was a response asynchrony between shallow and deep plants probably caused by the strong differences in the light environment...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202398/peripheral-target-identification-performance-modulates-eye-movements
#4
Min-Suk Kang, Sori Kim, Kyoung-Min Lee
We often shift our eyes to an interesting stimulus, but it is important to inhibit that eye movement in some environments (e.g., a no-look pass in basketball). Here, we investigated participants' ability to inhibit eye movements when they had to process a peripheral target with a requirement to maintain strict fixation. An array of eight letters composed of four characters was briefly presented and a directional cue was centrally presented to indicate the target location. The stimulus onset asynchrony (SOA) between the cue and the stimulus array was chosen from six values, consisting of pre-cue conditions (-400 and -200 ms), a simultaneous cue condition (0 ms), and post-cue conditions (200, 400, and 800 ms)...
February 12, 2017: Vision Research
https://www.readbyqxmd.com/read/28197097/when-elderly-outperform-young-adults-integration-in-vision-revealed-by-the-visual-mismatch-negativity
#5
Zsófia Anna Gaál, Flóra Bodnár, István Czigler
We studied the possibility of age-related differences of visual integration at an automatic and at a task-related level. Data of 15 young (21.9 ± 1.8 years) and 15 older (66.6 ± 3.5 years) women were analyzed in our experiment. Automatic processing was investigated in a passive oddball paradigm, and the visual mismatch negativity (vMMN) of event-related brain potentials was measured. Letters and pseudo-letters were presented either as single characters, or the characters were presented successively in two fragments...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28196936/influences-of-duration-of-inspiratory-effort-respiratory-mechanics-and-ventilator-type-on-asynchrony-with-pressure-support-and-proportional-assist-ventilation
#6
Renata S Vasconcelos, Raquel P Sales, Luíz H de P Melo, Liégina S Marinho, Vasco Pd Bastos, Andréa da Nc Nogueira, Juliana C Ferreira, Marcelo A Holanda
BACKGROUND: Pressure support ventilation (PSV) is often associated with patient-ventilator asynchrony. Proportional assist ventilation (PAV) offers inspiratory assistance proportional to patient effort, minimizing patient-ventilator asynchrony. The objective of this study was to evaluate the influence of respiratory mechanics and patient effort on patient-ventilator asynchrony during PSV and PAV plus (PAV+). METHODS: We used a mechanical lung simulator and studied 3 respiratory mechanics profiles (normal, obstructive, and restrictive), with variations in the duration of inspiratory effort: 0...
February 14, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28196820/combined-use-of-neurally-adjusted-ventilatory-assist-nava-and-vertical-expandable-prostethic-titanium-rib-veptr-in-a-patient-with-spondylocostal-dysostosis-and-associated-bronchomalacia
#7
Martí Pons-Odena, Alba Verges, Natalia Arza, Francisco José Cambra
Jarcho-Levin syndrome is a rare disorder characterised by defects in vertebral and costal segmentation of varying severity. Respiratory complications are the main cause of death or severe comorbidity due to a restrictive rib cage. A 3 months old infant with Spondylocostal dysostosis and associated bronchomalacia experiencing severe asynchrony during the weaning process is reported. The Neurally Adjusted Ventilatory Assist (NAVA) mode was used to improve adaptation to mechanical ventilation after Vertical Expandable Prosthetic Titanium Ribs (VEPTRs) were implanted...
February 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28183817/comparison-between-the-phase-angle-and-phase-shift-parameters-to-assess-thoracoabdominal-asynchrony-in-copd-patients
#8
Desiderio Cano Porras, Adriana C Lunardi, Cibele C B Marques da Silva, Denise M Paisani, Rafael Stelmach, Henrique Takachi Moriya, Celso R F Carvalho
BACKGROUND: Determining the presence of thoracoabdominal asynchrony in chronic obstructive pulmonary disease patients is clinically relevant, but there is no consensus on the optimal parameters for performing this analysis. METHODS: We assessed 22 COPD patients (FEV1 40±10% predicted) and 13 healthy controls during rest and exercise with optoelectronic plethysmography (70% maximum workload) on a cycle ergometer. Thoracoabdominal asynchrony was calculated by using phase angle and phase shift parameters following a three-compartment model involving the upper and lower ribcages and abdomen...
February 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28166900/effects-of-auditory-and-tactile-warning-on-response-to-visual-hazards-under-a-noisy-environment
#9
Atsuo Murata, Takashi Kuroda, Waldemar Karwowski
A warning signal presented via a visual or an auditory cue might interfere with auditory or visual information inside and outside a vehicle. On the other hand, such interference would be certainly reduced if a tactile cue is used. Therefore, it is expected that tactile cues would be promising as warning signals, especially in a noisy environment. In order to determine the most suitable modality of cue (warning) to a visual hazard in noisy environments, auditory and tactile cues were examined in this study. The condition of stimulus onset asynchrony (SOA) was set to 0ms, 500ms, and 1000ms...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28162937/effect-of-progesterone-elevation-in-follicular-phase-of-ivf-cycles-on-the-endometrial-receptivity
#10
REVIEW
B Lawrenz, H M Fatemi
The premature rise of progesterone during the late follicular phase in stimulated IVF cycles is a frequent event, and emerging evidence shows that premature progesterone rise does negatively affect the outcome of assisted reproductive techniques. The effect of elevated peripheral progesterone levels in the late follicular phase seems to be on the endometrium and the window of implantation, which may lead to asynchrony between the endometrium and the developing embryo. In stimulated cycles, endometrial maturation is advanced on the day of oocyte retrieval, and patients with a progesterone level above 1...
January 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28153494/individual-differences-in-the-dynamics-of-collinear-facilitation
#11
Stephen Jachim, Emma Gowen, Paul A Warren
Collinear facilitation refers to the increase in sensitivity found for a target when aligned between nearby, brighter flankers, and is thought to underpin the ability to integrate fragmented contours to form higher order global shapes. Many studies have explored the spatial and temporal aspects of this arrangement, and there is a consensus that two mechanisms could be responsible for this phenomenon; lateral excitation within V1 and extra-striate feedback to V1. There is some debate as to whether facilitation can still occur if the target is presented before the flankers, a manipulation known as backward masking, which could rely on feedback to V1...
January 30, 2017: Vision Research
https://www.readbyqxmd.com/read/28149608/detection-of-patient-ventilator-asynchrony-should-be-improved-and-then-what
#12
EDITORIAL
Hermann Wrigge, Felix Girrbach, Gunther Hempel
No abstract text is available yet for this article.
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28149025/comparison-of-patient-ventilator-asynchrony-during-pressure-support-ventilation-and-proportional-assist-ventilation-modes-in-surgical-intensive-care-unit-a-randomized-crossover-study
#13
Parshotam Lal Gautam, Gaganjot Kaur, Sunil Katyal, Ruchi Gupta, Preetveen Sandhu, Nikhil Gautam
BACKGROUND: The patient-ventilator asynchrony is almost observed in all modes of ventilation, and this asynchrony affects lung mechanics adversely resulting in deleterious outcome. Innovations and advances in ventilator technology have been trying to overcome this problem by designing newer modes of ventilation. Pressure support ventilation (PSV) is a commonly used flow-cycled mode where a constant pressure is delivered by ventilator. Proportional assist ventilation (PAV) is a new dynamic inspiratory pressure assistance and is supposed to be better than PSV for synchrony and tolerance, but reports are still controversial...
December 2016: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28147491/new-approach-of-financial-volatility-duration-dynamics-by-stochastic-finite-range-interacting-voter-system
#14
Guochao Wang, Jun Wang
We make an approach on investigating the fluctuation behaviors of financial volatility duration dynamics. A new concept of volatility two-component range intensity (VTRI) is developed, which constitutes the maximal variation range of volatility intensity and shortest passage time of duration, and can quantify the investment risk in financial markets. In an attempt to study and describe the nonlinear complex properties of VTRI, a random agent-based financial price model is developed by the finite-range interacting biased voter system...
January 2017: Chaos
https://www.readbyqxmd.com/read/28144939/environmental-responses-not-species-interactions-determine-synchrony-of-dominant-species-in-semiarid-grasslands
#15
Andrew T Tredennick, Claire de Mazancourt, Michel Loreau, Peter B Adler
Temporal asynchrony among species helps diversity to stabilize ecosystem functioning, but identifying the mechanisms that determine synchrony remains a challenge. Here, we refine and test theory showing that synchrony depends on three factors: species responses to environmental variation, interspecific interactions, and demographic stochasticity. We then conduct simulation experiments with empirical population models to quantify the relative influence of these factors on the synchrony of dominant species in five semiarid grasslands...
February 1, 2017: Ecology
https://www.readbyqxmd.com/read/28138234/respiratory-muscle-activity-and-patient-ventilator-asynchrony-during-different-settings-of-noninvasive-ventilation-in-stable-hypercapnic-copd-does-high-inspiratory-pressure-lead-to-respiratory-muscle-unloading
#16
Marieke L Duiverman, Anouk S Huberts, Leo A van Eykern, Gerrie Bladder, Peter J Wijkstra
INTRODUCTION: High-intensity noninvasive ventilation (NIV) has been shown to improve outcomes in stable chronic obstructive pulmonary disease patients. However, there is insufficient knowledge about whether with this more controlled ventilatory mode optimal respiratory muscle unloading is provided without an increase in patient-ventilator asynchrony (PVA). PATIENTS AND METHODS: Ten chronic obstructive pulmonary disease patients on home mechanical ventilation were included...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28137269/a-diaphragmatic-electrical-activity-based-optimization-strategy-during-pressure-support-ventilation-improves-synchronization-but-does-not-impact-work-of-breathing
#17
Francois Beloncle, Lise Piquilloud, Nuttapol Rittayamai, Christer Sinderby, Hadrien Rozé, Laurent Brochard
BACKGROUND: Poor patient-ventilator synchronization is often observed during pressure support ventilation (PSV) and has been associated with prolonged duration of mechanical ventilation and poor outcome. Diaphragmatic electrical activity (Eadi) recorded using specialized nasogastric tubes is a surrogate of respiratory brain stem output. This study aimed at testing whether adapting ventilator settings during PSV using a protocolized Eadi-based optimization strategy, or Eadi-triggered and -cycled assisted pressure ventilation (or PSVN) could (1) improve patient-ventilator interaction and (2) reduce or normalize patient respiratory effort as estimated by the work of breathing (WOB) and the pressure time product (PTP)...
January 31, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28129050/effects-of-cross-modal-asynchrony-on-informational-masking-in-human-cortex
#18
Lars Hausfeld, Alexander Gutschalk, Elia Formisano, Lars Riecke
In many everyday listening situations, an otherwise audible sound may go unnoticed amid multiple other sounds. This auditory phenomenon, called informational masking (IM), is sensitive to visual input and involves early (50-250 msec) activity in the auditory cortex (the so-called awareness-related negativity). It is still unclear whether and how the timing of visual input influences the neural correlates of IM in auditory cortex. To address this question, we obtained simultaneous behavioral and neural measures of IM from human listeners in the presence of a visual input stream and varied the asynchrony between the visual stream and the rhythmic auditory target stream (in-phase, antiphase, or random)...
January 27, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28121291/the-invariant-cleavage-pattern-displayed-by-ascidian-embryos-depends-on-spindle-positioning-along-the-cell-s-longest-axis-in-the-apical-plane-and-relies-on-asynchronous-cell-divisions
#19
Rémi Dumollard, Nicolas Minc, Gregory Salez, Sameh Ben Aicha, Faisal Bekkouche, Celine Hebras, Lydia Besnardeau, Alex McDougall
The ascidian embryo is an ideal system to investigate how cell position is determined during embryogenesis. Using 3D timelapse imaging and computational methods we analyzed the planar cell divisions in ascidian early embryos and found that spindles in every cell tend to align at metaphase in the long length of the apical surface except in cells undergoing unequal cleavage. Furthermore, the invariant and conserved cleavage pattern of ascidian embryos was found to consist in alternate planar cell divisions between ectoderm and endomesoderm...
January 25, 2017: ELife
https://www.readbyqxmd.com/read/28116750/relationship-between-cortical-state-and-spiking-activity-in-lateral-geniculate-nucleus-of-anaesthetised-marmosets
#20
Alexander N J Pietersen, Soon Keen Cheong, Brandon Munn, Pulin Gong, Paul R Martin, Samuel G Solomon
The major afferent cortical pathway in the visual system passes through the dorsal lateral geniculate nucleus (LGN), where nerve signals originating in the eye can first interact with brain circuits regulating visual processing, vigilance, and attention. Here we asked how on-going and visually driven activity in magnocellular (M), parvocellular (P), and koniocellular (K) layers of the LGN are related to cortical state. We recorded extracellular spiking activity in the LGN simultaneously with local field potentials (LFP) in primary visual cortex, in sufentanil-anesthetized marmoset monkeys...
January 24, 2017: Journal of Physiology
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