Filiki Etaireia: The rise of a secret society in the making of the Greek revolution

Senior Project submitted to The Division of Social Studies of Bard College

Review on Superconducting Materials

Short review of the topical comprehension of the superconductor materials classes Cuprate High-Temperature Superconductors, other oxide superconductors, Iron-based Superconductors, Heavy-Fermion Superconductors, Nitride Superconductors, Organic and other Carbon-based Superconductors and Boride and Borocarbide Superconductors, featuring their present theoretical understanding and their aspects with respect to technical applications.Comment: A previous version of this article has been published in \" Applied Superconductivity: Handbook on Devices and Applications \", Wiley-VCH ISBN: 978-3-527-41209-9. The new extended and updated version will be published in \" Encyclopedia of Applied Physics \", Wiley-VC

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Combinatorial Processing of Irregular Verbs: Evidence from Aphasia

Introduction While semantic and phonological deficits in aphasia are relatively well-studied, less attention has been given to morphological processing. Nevertheless, there are active debates about morphological processing that may be informed by investigating morphological deficits, including the extent to which regular and irregular forms are computed similarly. Theories of processing vary with respect to this point: dual-mechanism accounts propose that regular verbs are computed via rule-based processes combining stems and affixes, while irregular verbs are stored and retrieved separately from their stems. In contrast, full-decomposition accounts posit that both regular and irregular verbs are stored in a decomposed fashion and computed using combinatorial processes. The present study compares the predictions of these two accounts using the single-word reading performance of an aphasic individual with a morphological deficit. We designed two tasks to decouple effects of morphology and phonology and evaluate regular and irregular verb production. In particular, we first compared error patterns of regularly-inflected forms to uninflected homophones (e.g., praise vs. prays) to establish the presence of a morphological deficit. We then compared error rates and types for regularly-inflected (sin-sinned), irregularly-inflected (win-won), and phonologically-matched word pairs (tin-ton). Dual mechanism accounts predict that error rates and types of the irregularly-inflected forms will match the phonological word pairs as all are listed separately in the lexicon. In contrast, full-decomposition accounts predict regular and irregular verbs would demonstrate similar rates and types of morphological errors, distinct from monomorphemic words. Case Report RMI, 39, right-handed male presented with aphasia secondary to L-MCA CVA. His production in spontaneous speech, reading, and writing, includes frequent morphological errors, with semantic and phonological errors also occurring. Experiment 1 RMI was administered a single-word reading task containing homophone pairs that orthogonally varied morphological and phonological complexity (e.g. prays-praise, locks-lox). The list contained 53 homophone pairs and was administered 4 times (N=424 words total). Deletion of final consonants occurred significantly more often for morphologically-complex words (locks→lock; 94/212, 44%) compared to homophones (lox→[lak]; 20/212, 9%; X2=63.94, p<.05). This difference reveals a morphological deficit. Experiment 2 RMI was administered a single-word reading task containing 40 irregular verb pairs (win-won), 40 regular verb pairs phonologically-matched to the stem (sin-sinned) and 40 monomorphemic word pairs matched to the irregular verb pairs (tin-ton). He produced morphological deletion errors on 30.0% (12/40) of inflected regular verbs (sinned→sin) and on 42.5% (17/40) of inflected irregular verbs (won→win), whereas the analogous error (e.g. ton>tin) never occurred on the monomorphemic pairs (see Table 1). Discussion Taken together, the results of Experiments 1 and 2 indicate a combinatorial morphological deficit affecting both regular and irregular verb production. The errors in producing irregularly-inflected verbs are similar to the production of regular verbs, and not similar to phonologically-matched monomorphemic words. These findings are consistent with full-decomposition accounts of morphological processing and inconsistent with accounts that posit differential processing of regular and irregular verbs. We will present additional analyses from these tasks and related tasks involving morphological comprehension and production across modalities

A lightweight TwiddleNet portal

TwiddleNet is a distributed architecture of personal servers that harnesses the power of the mobile devices, enabling real time information and file sharing of multiple data types from commercial-off-the-shelf platforms. This thesis involves research in mobile personal members, mobile social networks and media sharing models and develops a TwiddleNet portal running on a smart phone or a PDA so that the entire TwiddleNet system can be run on handheld devices for rapid deployment in emergencies.http://archive.org/details/alightweighttwid109454171Hellenic Navy author.Approved for public release; distribution is unlimited

Behavioral and neurological effects of tDCS on speech motor recovery: A single-subject intervention study

This paper reports a feasibility study designed to evaluate the behavioral and neurological effects of using transcranial direct current stimulation (tDCS) in conjunction with speech motor learning treatment for individuals with acquired speech impairment subsequent to stroke. Most of the research using tDCS to enhance treatment outcomes in stroke recovery has focused on either limb motor control or aphasia treatment. Using a multiple-baseline multiple-probe crossover design, we compared both behavioral and brain connectivity-based outcomes following speech motor learning treatment with both Active tDCS and Sham tDCS. We observed that both treatment phases led to improvement in short-term maintenance, but that Active tDCS was associated with greater long-term maintenance improvement. Active tDCS was also associated with an increase in functional connectivity in the left hemisphere and interhemispherically in an ROI-based network analysis examining correlations among areas associated with speech production and acquired speech impairment. This report supports the possibility that tDCS may enhance both behavioral and neurological outcomes and indicates the importance of additional work in this area, although replication is required to confirm the extent and consistency of tDCS benefits on speech motor learning treatment outcomes

Pelvic floor study in patients with obstructive defecation - Influence of biofeedback

The aim of this study was to evaluate the pathophysiologic abnormalities in patients with obstructive defecation or dyssynergia and to assess the role of biofeedback treatment. Three groups were studied. Group A had 24 patients with obstructive defecation; B, 25 patients with constipation; and C, 22 healthy volunteers. Rectosigmoid segmental transit time of group A was 28.5 hours (SD +/-: 13.4); B, 17.2 hours (SD +/- 11.5); and 28.5 hours (SD +/- 6.3) (p &lt; 0.05). There was no statistical difference in resting and squeezing anal pressure among the three groups. Anorectal angle at rest revealed no difference among the three groups. At strain, a statistically significant difference between groups A and C (p &lt; 0.05) and a marginal difference between groups A and B was noted. Rectocele of the anterior rectal wall was present at strain in 17/24 patients of group A and 7/22 patients of group C (p &lt; 0.05). Electromyography during strain revealed abnormal contractions of puborectalis muscle and external anal sphincter, in 13 and 14 patients of group A, respectively, which differed from that observed in groups B and C (p &lt; 0.001). Biofeedback treatment was applied with good results in 7 of 11 patients of group A. At six months, constipation relapsed in only one of treated patients. Patients sufferings from obstructive defecation seem to have slower rectosigmoid transit time than the others. Defecography shows smaller anorectal angle at strain and rectocele of the anterior rectal wall more often. Abnormal pelvic floor contraction at strain is often noted in anal electromyography. Some of these patients seem to respond favorably to biofeedback treatment