Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 254 for “"synchrony"”.
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THE EFFECT OF GROUP SIZE ON SYNCHRONY AND THE SYNCHRONY EFFECT
… research on synchronous behaviour and the synchrony effect has noted instances of the synchrony effect in multiple physical activities (Cohen et al., 2010; Davis, Taylor, Cohen & Mesoudi, 2015; Kokal, Engel & Kirschner, 2011), it has only incorporated small group trials. Additionally no …
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Cross Environmental Variable Synchrony
Spatial synchrony, often called population synchrony and henceforth referred to simply as synchrony, is when populations of the same species at different locations exhibit similar fluctuations through time in density or abundance. Synchrony is often measured as the correlation between population …
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Mother-Infant Synchrony during Infant Feeding
MOTHER-INFANT SYNCHRONY DURING INFANT FEEDING By Barbara A. Reyna, PhD A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at Virginia Commonwealth University. Virginia Commonwealth University, 2010. Major Director: Rita H. Pickler, PhD Endowed …
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Virtual synchrony semantics : a client-server implementation
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Indo-European reduplication : synchrony, diachrony, and theory
The reduplicative systems of the ancient Indo-European languages are characterized by an unusual alternation in the shape of the reduplicant. The related languages Ancient Greek, Gothic, and Sanskrit share the property that root-initial consonant clusters exhibit different reduplicant shapes, …
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Coherence and Phase Synchrony Analysis of Electroencephalogram
Phase Synchrony (PS) and coherence analyses of stochastic time series - tools to discover brain tissue pathways traveled by electrical signals - are considered for the specific purpose of processing of the electroencephalogram (EEG). We propose the Phase Synchrony Processor (PSP), as a tool for …
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Controls Over S-Phase And Over Nuclear Synchrony
… undergo DNA synthesis or nuclear division out of synchrony in the absence of key CDK inhibitors. We conclude that these activities are nuclear autonomous in multinucleate fission yeast cells, and propose that inhibition of CDK activity by Rum1 and Wee1 may coordinate and synchronize these cell …
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Physiological Synchrony Predicts Cooperative Behavior with High Stakes
… my knowledge, the first study of physiological synchrony (PS) between pairs of partners playing the trust game face-to-face. Participants were given the choice to send $0, $40, $80, or $120 to their partner; these choices were categorized as showing no, low, medium, and high trust, respectively. …
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The Impact of Synchrony On Neuronal Coding and Behavior
… and V4). We found a high prevalence of neuronal synchrony (vigorous (On) and weak (Off) spiking) in rest but low prevalence of synchrony during wakefulness. We next tested whether propagation of synchrony across cortical circuits is state dependent. By optogenetically inducing On and Off state …
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Patterns of synchrony in complex networks of adaptively coupled oscillators
Kollektive Phänomene in Systemen von miteinander verbundenen dynamischen Einheiten sind allgegenwärtig in der Natur. Das Schwarmverhalten in Gruppen von Vögeln oder Fischen, das synchrone Blinken von Glühwürmchen oder auch das kohärente "Feuern" von Neuronen im menschlichen Gehirn sind nur einige …
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Manipulations of spike trains and their impact on synchrony analysis
… sorting) and assessing the significance of the synchrony. This dissertation addresses these issues with two complementary strategies, both founded on the manipulation of point processes under rigorous analytical control. On the one hand I modeled the effect of spike sorting errors on correlated …
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Neural Correlates of Repetition Priming: Changes in fMRI Activation and Synchrony
… role; some have reported increased neural synchrony between prefrontal cortex and temporal cortex associated with stimulus repetition. Based on these results, I hypothesized that increased neural synchrony, as measured by functional connectivity analysis using functional MRI, between …
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Loss of synchrony in an inhibitory network of type-I oscillators
… phase-locked firing. Here we examine the loss of synchrony caused by an increase in inhibitory coupling in networks of type-I Morris-Lecar model oscillators, which is characterized by a period-doubling cascade and leads to mode-locked states with alternation in the firing order of the two cells, …
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Climate Change, Gene Flow, and the Legendary Synchrony of Snowshoe Hares
… <p>In a simulation study comparing five synchrony metrics, I found the Kendall metric performed best with short, noisy time series similar to those available for snowshoe hares. I used this metric in partial Mantel tests, modified correlograms, and shifting window analyses of hare …
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Climate Change, Gene Flow, and the Legendary Synchrony of Snowshoe Hares
… <p>In a simulation study comparing five synchrony metrics, I found the Kendall metric performed best with short, noisy time series similar to those available for snowshoe hares. I used this metric in partial Mantel tests, modified correlograms, and shifting window analyses of hare …
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Synchrony of harmony and chaos in a dynamic, bacterial riboregulatory machine
In all domains of life, proteins involved in the regulation of RNA lifetimes are often found to form multi-enzyme complexes, suggesting a common requirement to colocalise their activities to meet the demands of RNA metabolism 1,2. In diverse bacterial lineages, these multi-enzyme complexes, …
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Pitch and spectral analysis of speech based on an auditory synchrony model
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1985.
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Size spectra and temporal synchrony patterns in temperate and tropical river networks
… sizes, and between regions. Analyzing temporal synchrony is the method we used to quantify these similarities and differences. We expected lower variability in tropical size spectra, and asynchrony patterns over time in tropical sites due to metabolic constraints and high turnover of individuals …
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New methods for quantifying the synchrony of contraction and relaxation in the heart
… QRS duration as a measure of dyssynchrony. However, up to 30% of patients selected for CRT show no improvement. This poor response rate may in part be explained by the poor correlation between mechanical dyssynchrony and QRS duration. Thus, better methods to quantify mechanical …
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