2,324 research outputs found

    Taking Sides: America\u27s Secret Relations with a Militant Israel

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    Taking Sides: America\u27s Secret Relations with a Militant Israel

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    https://digitalcommons.cedarville.edu/homecoming_images_2016/1155/thumbnail.jp

    Wind Symphony

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    Bone Student Center Ballroom Sunday Evening April 12, 1992 8:00p.m

    Wind Symphony

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    Wesley United Methodist Church Bloomington, IL Friday Evening April 28, 1995 7:00p.m

    Forced Sale Risk: Class, Race, and the Double Discount

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    What impact does a forced sale have upon a property owner\u27s wealth? And do certain characteristics of a property owner such as whether they are rich or poor or whether they are black or white, tend to affect the price yielded at a forced sale? This Article addresses arguments made by some courts and legal scholars who have claimed that certain types of forced sales result in wealth maximizing, economic efficiencies. The Article addresses such economic arguments by returning to first principles and reviewing the distinction between sales conducted under fair market value conditions and sales conducted under forced sale conditions. This analysis makes it clear that forced sales of real or personal property are conducted under conditions that are rarely likely to yield market value prices. In addition, the Article addresses the fact that judges and legal scholars have utilized a flawed economic analysis of forced sales in cases that often involve property that is owned by low- to middle-class property owners in part because those who are wealthier own their property under more stable ownership structures or utilize private ordering to avoid the chance that a court might order a forced sale under the default rules of certain common ownership structures. The Article also raises the possibility for the first time that the race or ethnicity of a property owner may affect the sales price for property sold at a forced sale, resulting in a double discount, i.e. a discount from market value for the forced sale and a further discount attributable to the race of the property owner. If minorities are more susceptible to forced sales of their property than white property owners or if there does exist a phenomenon in which minorities suffer a double discount upon the sale of their property at a forced sale, then forced sales of minority-owned property could be contributing to persistent and yawning racial wealth gaps

    Limitations for change detection in multiple Gabor targets

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    We investigate the limitations on the ability to detect when a target has changed, using Gabor targets as simple quantifiable stimuli. Using a partial report technique to equalise response variables, we show that the log of the Weber fraction for detecting a spatial frequency change is proportional to the log of the number of targets, with a set-size effect that is greater than that reported for visual search. This is not a simple perceptual limitation, because pre-cueing a single target out of four restores performance to the level found when only one target is present. It is argued that the primary limitation on performance is the division of attention across multiple targets, rather than decay within visual memory. However in a simplified change detection experiment without cueing, where only one target of the set changed, not only was the set size effect still larger, but it was greater at 2000 msec ISI than at 250 msec ISI, indicating a possible memory component. The steepness of the set size effects obtained suggests that even moderate complexity of a stimulus in terms of number of component objects can overload attentional processes, suggesting a possible low-level mechanism for change blindness

    A silent speech system based on permanent magnet articulography and direct synthesis

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    In this paper we present a silent speech interface (SSI) system aimed at restoring speech communication for individuals who have lost their voice due to laryngectomy or diseases affecting the vocal folds. In the proposed system, articulatory data captured from the lips and tongue using permanent magnet articulography (PMA) are converted into audible speech using a speaker-dependent transformation learned from simultaneous recordings of PMA and audio signals acquired before laryngectomy. The transformation is represented using a mixture of factor analysers, which is a generative model that allows us to efficiently model non-linear behaviour and perform dimensionality reduction at the same time. The learned transformation is then deployed during normal usage of the SSI to restore the acoustic speech signal associated with the captured PMA data. The proposed system is evaluated using objective quality measures and listening tests on two databases containing PMA and audio recordings for normal speakers. Results show that it is possible to reconstruct speech from articulator movements captured by an unobtrusive technique without an intermediate recognition step. The SSI is capable of producing speech of sufficient intelligibility and naturalness that the speaker is clearly identifiable, but problems remain in scaling up the process to function consistently for phonetically rich vocabularies

    Ubiquitination and proteasomal degradation of ATG12 regulates its proapoptotic activity

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    During macroautophagy, conjugation of ATG12 to ATG5 is essential for LC3 lipidation and autophagosome formation. Additionally, ATG12 has ATG5-independent functions in diverse processes including mitochondrial fusion and mitochondrial-dependent apoptosis. In this study, we investigated the regulation of free ATG12. In stark contrast to the stable ATG12–ATG5 conjugate, we find that free ATG12 is highly unstable and rapidly degraded in a proteasome-dependent manner. Surprisingly, ATG12, itself a ubiquitin-like protein, is directly ubiquitinated and this promotes its proteasomal degradation. As a functional consequence of its turnover, accumulation of free ATG12 contributes to proteasome inhibitor-mediated apoptosis, a finding that may be clinically important given the use of proteasome inhibitors as anticancer agents. Collectively, our results reveal a novel interconnection between autophagy, proteasome activity, and cell death mediated by the ubiquitin-like properties of ATG12

    Integrating user-centred design in the development of a silent speech interface based on permanent magnetic articulography

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    Abstract: A new wearable silent speech interface (SSI) based on Permanent Magnetic Articulography (PMA) was developed with the involvement of end users in the design process. Hence, desirable features such as appearance, port-ability, ease of use and light weight were integrated into the prototype. The aim of this paper is to address the challenges faced and the design considerations addressed during the development. Evaluation on both hardware and speech recognition performances are presented here. The new prototype shows a com-parable performance with its predecessor in terms of speech recognition accuracy (i.e. ~95% of word accuracy and ~75% of sequence accuracy), but significantly improved appearance, portability and hardware features in terms of min-iaturization and cost
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