The Standard, Power, and Color Model of Instrument Combination in Romantic-Era Symphonic Works

The Standard, Power, and Color (SPC) model describes the nexus between musical instrument combination patterns and expressive goals in music. Instruments within each SPC group tend to attract each other and work as a functional unit to create orchestral gestures. Standard instruments establish a timbral groundwork; Power instruments create contrast through loud dynamic climaxes; and Color instruments catch listeners’ attention by means of their sparing use. Examples within these three groups include violin (Standard), piccolo (Power), and harp (Color). The SPC theory emerges from analyses of nineteenth-century symphonic works. Multidimensional scaling analysis of instrument combination frequencies maps instrument relationships; hierarchical clustering analysis indicates three SPC groups within the map. The SPC characterization is found to be moderately robust through the results of hypothesis testing: (1) Color instruments are included less often in symphonic works; (2) when Color instruments are included, they perform less often than the average instrument; and (3) Color and non-Color instruments have equal numbers of solo occurrences. Additionally, (4) Power instruments are positively associated with louder dynamic levels; and (5) when Power instruments are present in the musical texture, the pitch range spanned by the entire orchestra does not become more extreme

Partition as a Solution to Ethnic Civil War: Statehood, Demography, and the Role of Post-War Balance of Power for Peace

Partition has been proposed as a way to (i) end ethnic civil wars and to (ii) build a lasting peace after ethnic civil wars end. This dissertation builds on partition theory and the ethnic security dilemma in three ways, demonstrating empirical support for a novel theory of why violence recurs following the end of ethnic civil wars and how partition can be used to prevent such violence. The dissertation begins by introducing the puzzle of ethnic group concentration: the social sciences have demonstrated that concentrated ethnic groups produce both peace and violence. The first case study discredits the notion that ethnic group concentration produced during ethnic civil wars will produce an end to ethnic civil wars. I conducted detailed field research, producing a longitudinal study of ethnic migration and violence in the Georgia-Abkhaz civil war (1992-1993), which acts as a crucial case. I conclude that partitioning groups does not end ethnic war. This is the first accurate empirical test of the ethnic security dilemma. Next, the dissertation looks at partition's ability to build peace by concentrating ethnic groups in new homeland states, and I argue that post-partition violence is caused by weak states and the triadic political space endogenously created by partitions that do not separate ethnic groups completely. I call this the Third Generation Ethnic Security Dilemma, building on previous ethnic security dilemma research. I test this empirically by introducing an index measuring the degree to which partitions separate ethnic groups, and I compare all ethnic civil war terminations between 1945 and 2004, demonstrating that partitions which completely separate ethnic groups provide a better chance for peace. Third, I selected two cases (Moldova and Georgia) to examine the causal processes of post-war recurring violence. Georgia, which experienced post-partition violence, and Moldova, which did not, act as a structured case comparison. I conclude that mixed ethnic demography interacts with state-building to cause or avert renewed violence

Trigger-happy? Military regimes and the timing of conflict

The proclivity of military regimes and their leaders for more frequent involvement in international conflict than other autocracies has been shown in several studies. The question raised here is not whether they participate in more conflicts and disputes, but rather whether after the leaders of military regimes enter office they initiate these acts more quickly than the leaders of other types of autocracies. Drawing on three authoritarian regime typologies and examining the time to the initiation of any dispute and the initiation of violent disputes, our results show that in comparison to other authoritarian leaders a subset of military leaders is distinctly trigger-happy

Facial Expression and Vocal Pitch Height: Evidence of an Intermodal Association

Forty-four participants were asked to sing moderate, high, and low pitches while their faces were photographed. In a two-alternative forced choice task, independent judges selected the high-pitch faces as more friendly than the low-pitch faces. When photographs were cropped to show only the eye region, judges still rated the high-pitch faces friendlier than the low-pitch faces. These results are consistent with prior research showing that vocal pitch height is used to signal aggression (low pitch) or appeasement (high pitch). An analysis of the facial features shows a strong correlation between eyebrow position and sung pitch—consistent with the role of eyebrows in signaling aggression and appeasement. Overall, the results are consistent with an inter-modal linkage between vocal and facial expressions

EFFECT OF EXERCISE ON STANDING BALANCE OF MULTIPLE SCLEROSIS PATIENTS

Multiple sclerosis (MS) is a chronic demyelinating disease of the CNS in which there are numerous patches of demyelination throughout the white matter. The disorder affects sensory and motor functions and in most cases is characterized by exacerbations and remissions over a period of many years. One of the most devastating motor problems of MS patients is the deterioration of balance. Several researchers indicated that exercise would help to improve overall physical condition of the patients. Therefore, the purpose of this research is to investigate the effect of an exercise program on standing balance of multiple sclerosis patients. The results of the case studies of 3 patients for 9-week exercise program indicate that balance measurements were remained the same. Therefore, we can conclude that the balance measurements of those patients did not deteriorate with the level of exercise/activity that they received during the program

Music and Lyrics Interactions and their Influence on Recognition of Sung Words: An Investigation of Word Frequency, Rhyme, Metric Stress, Vocal Timbre, Melisma, and Repetition Priming

This study investigated several factors presumed to influence the intelligibility of song lyrics. Twenty-seven participants listened to recordings of musical passages sung in English; each passage consisted of a brief musical phrase sung by a solo voice. Six vocalists produced the corpus of sung phrases. Eight hypotheses derived from common phonological and prosodic principles were tested. Intelligibility of lyrics was degraded: (i) when archaic language was used; (ii) when words were set in melismatic rather than syllabic contexts; (iii) when the musical rhythm did not match the prosodic speech rhythm; and (iv) when successive target words rhymed. Intelligibility of lyrics was facilitated: (i) when words contained diphthongs rather than monophthongs; (ii) when a word from an immediately previous passage reappeared; (iii) when a syllabic setting of a word was preceded by a melismatic setting of the same word. No difference in word intelligibility was observed between music theater singers and opera singers.</jats:p

PowderSim: Lagrangian Discrete and Mesh-Free Continuum Simulation Code for Cohesive Soils

PowderSim is a calculation tool that combines a discrete-element method (DEM) module, including calibrated interparticle-interaction relationships, with a mesh-free, continuum, SPH (smoothed-particle hydrodynamics) based module that utilizes enhanced, calibrated, constitutive models capable of mimicking both large deformations and the flow behavior of regolith simulants and lunar regolith under conditions anticipated during in situ resource utilization (ISRU) operations. The major innovation introduced in PowderSim is to use a mesh-free method (SPH-based) with a calibrated and slightly modified critical-state soil mechanics constitutive model to extend the ability of the simulation tool to also address full-scale engineering systems in the continuum sense. The PowderSim software maintains the ability to address particle-scale problems, like size segregation, in selected regions with a traditional DEM module, which has improved contact physics and electrostatic interaction models

Effects of Recent Television Signal Changes on Rural Nebraskans

In mid-February 2009, some television stations in the country started broadcasting only in digital signal. All were required to switch to digital only signal this past June. This change did not affect households that currently receive their television signal from a cable or satellite TV provider, only those that receive their signal over-the-air through an antenna or rabbit ears. The 2009 Nebraska Rural Poll included questions related to television viewing, providing a picture of how rural Nebraskans prepared for this change and the effect this change has had on 2,852 randomly selected non-metropolitan Nebraskans. Not all television stations had made the digital conversion when this survey was in the field. Thus, the effects of the change in some areas of the state are not reflected in these results

A Phenomenological Study of Cross Gender Mentoring Among U.S. Army Officers

Leader mentoring in the military has not been well researched, especially that involving cross-gender pairings. A phenomenological study was conducted to gain insight into the perceptions, thoughts, and feelings of military officers regarding their decision to engage in mentoring, to include with members of the opposite gender. Semistructured interviews were conducted with 20 male and 20 female U.S. Army senior commissioned officers to collect information regarding mentoring selection perspectives and decisions and to examine emerging themes, concepts, and patterns, using NVivo 11 Pro Plus. Negative themes that emerged among both male and female participants concerned adverse perceptions of members within the organization, including perceptions of inappropriate relationships, sexual contact, unprofessionalism, rumors, mal-intent, and concern for impact on spouses. Positive themes among both male and female participants included feelings regarding success, career progression, promotions, opportunities, sharing, leadership, developing, and increased potential. Participants also expressed their amenability to mentoring officers of the opposite gender, with varying degrees of expectation for success. Understanding how military officers perceive, think, and feel regarding mentor selection will provide U.S. Army leadership with useful information that can promote positive social change among the officer ranks and will help leaders better understand the mentor and mentee relationship. This will have a positive impact on the U.S. military\u27s efforts to ensure that all female officers receive effective mentoring and socialization

Melanoma-associated adhesion molecule MUC18/MCAM (CD146) and transcriptional regulator Mader in normal human CNS

The proteins MUC18 and Mader have been identified as markers of tumor progression in melanoma cells, MUC18, also known as MCAM (melanoma cell adhesion molecule) and as CD146 (endothelial antigen), is a cell adhesion molecule belonging to the immunoglobulin superfamily, Mader is a transcriptional regulator shown to negatively regulate EGR-1. As it is known that neoplastic cells of neuroectodermal origin frequently express neuron-specific molecules, we studied whether these melanoma-associated antigens are found in normal CNS tissue. We investigated the expression of MUC18/MCAM and Mader in adult human post mortem CNS tissue by immunohistochemistry, immunoblot and two-dimensional gel electrophoresis. Our results show that Mader is preferentially expressed on neurons and glial cells and that the adhesion protein MUC18/MCAM is mainly expressed on vasculature within the CNS. These observations may have important implications for further studies investigating their possible roles in cell adhesion and proliferation control within the CNS