RSS 1.0UA Faculty Publications
ABOUT THIS COLLECTION
This open access archive contains publications from University of Arizona faculty, researchers and staff, primarily open-access versions of formally published journal articles. The collection includes published articles and final accepted manuscripts submitted by UA faculty under the UA Open Access Policy. The collection also includes books, book chapters, book reviews, presentations, data, and other scholarly materials submitters have chosen to make available in the repository.
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Recent Submissions
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Development and Validation of Drawing-Based Emotional Processing Scale (DRAWEP) for Art TherapistsThis study developed and evaluated the Drawing-Based Emotional Processing Scale for Art Therapists (DRAWEP) for measuring emotional processing. We collected 120 drawings from participants (aged 18–87). The study was conducted in two phases: (a) tool development through expert focus group discussions of 20 drawings, content validity and interrater reliability assessment; (b) assessment of 100 drawings for construct validity (factor structure, convergent and discriminant validity). In Phase 1 The DRAWEP tool was constructed. In Phase 2, four emotional processing factors were identified: art creation, making sense, organizing, and embodiment. Convergent and discriminant validity and reliability were satisfactory. DRAWEP may provide art therapists with a tool for evaluating latent contents of emotional processing. Further testing with clinical populations is needed.
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A Theoretical Model of Emotional Processing in Visual Artmaking and Art TherapyCurrent theoretical models of emotional processing rely mainly on detecting emotional processing through verbal, conscious, and cognitive processes. However, artmaking can potentially reveal embodied and implicit processes that may otherwise remain hidden in verbal expression. This paper attempts to close the scholarly gap by introducing a novel art-based emotional processing model that integrates emotional processing and art therapy literature, incorporating emotional meaning-making, awareness, acceptance, and memory consolidation. The art-based EP model explains the processes through which art creation may benefit emotional processing. It also elucidates the ways in which art therapy can be used to enhance therapeutic outcomes.
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Fair across the Board? Relating Teacher Commitment to Teachers’ Perceptions of Principal Versus Assistant Principal LeadershipPurpose: Little is known about how teachers view the leadership of assistant principals in comparison to that of principals, especially in relationship to teachers’ work outcomes. We examine whether a gap exists between teachers’ perceptions of fairness from principals and assistant principals, and whether this gap is associated with teachers’ commitment to their school. Research Methods: We employ mixed methods with a converging evidence model to understand the relationship between teachers’ perception gaps and commitment outcomes. We analyze interview data from 98 teachers across five high schools in one metropolitan area in the U.S. South to describe these gaps, and analyze survey data from 354 teachers from these same schools using structural equation modeling. Findings: Our qualitative analysis uses a typology to show examples of typical work scenarios where a teacher perceives a gap or no gap in fairness. Results from our quantitative data analysis suggest teachers express more commitment when they assess as fair (i.e., unbiased) the performance feedback from assistant principals rather than head principals. Yet, teacher commitment hinges on greater considerate interpersonal treatment from principals than from assistant principals. Overall, gaps in administrator fairness are associated with lower average teacher commitment. Implications for Research and Practice: Our investigation advances understandings of school leadership by clarifying role distinctions between principals and assistant principals that go beyond task types and considering expectations teachers hold of different school administrators. These perception differences matter as they appear associated with levels of teacher commitment.
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Differences in emotional awareness moderate Cytokine-Symptom associations among breast cancer survivorsCancer survivors have elevated levels of proinflammatory cytokines, which could be associated with cancer-related symptoms. Given that proinflammatory cytokines heighten negative affect by directly affecting the brain, we explored these direct associations and whether differences in levels of emotional awareness moderate the associations between proinflammatory cytokines and cancer-related symptoms. This cross-sectional, secondary analysis of baseline data was collected from 162 female breast cancer survivors (aged 36–70 years), who were enrolled 6± 4 months after completing cancer treatment. We tested cytokines in serum (IL-1β, IL-6, IL-8, TNF-α, IL-4, IL-10, and TGF-β) and assessed depression, cancer-related fatigue, pain intensity, and pain interference. Emotional awareness was assessed using a performance measure, the Levels of Emotional Awareness Scale. In participants with high but not average or low levels of emotional awareness, positive associations were found for IL-1β, IL-6, and TNF-α with depression and between IL-6 and TNF-α with pain intensity. In addition, IL-6 had a positive association with pain intensity at average levels of emotional awareness. These results suggest that women with high or in some cases average, but not low, emotional awareness reported depression and pain as being positively associated with their cytokine levels. By using emotional awareness as a cognitive resource to promote emotion regulation and distress transformation, interventions may be able to counteract heightened sensitivity to the mood-altering effects of cytokines.
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Emotional awareness amplifies affective sensitivity to social support for women with breast cancerEmotional awareness (EA) is thought to facilitate psychological health by aiding emotion regulation in oneself and garnering social support from others. This study tested these potential relationships within a one-year longitudinal study of 460 women (age 23–91 years, mean 56.4 years) recently diagnosed with breast cancer (i.e., within four months). The women completed measures of emotional awareness, social support, social stress, affective symptoms, and well-being. Linear models tested EA as a moderator of social support and stress on affective symptoms and well-being. In those with higher EA, low social support was associated with greater depression and lower optimism. There was some evidence that higher EA predicted greater depression at baseline but lower depression at nine-month follow-up. These results support the idea that EA increases sensitivity to available social support and facilitates emotional adjustment over time, suggesting that assessment of EA could help guide clinicians in identifying those at greatest risk of adverse mental health outcomes in this population.
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Pivotal role of transition density in circularly polarized luminescenceRealizing high luminescence dissymmetry factor (g) in circularly polarized luminescence (CPL) materials remains a big challenge, which necessitates understanding systematically how their molecular structure controls the CPL. Here we investigate representative organic chiral emitters with different transition density distributions and reveal the pivotal role of transition density in CPL. We rationalize that to obtain large g-factors, two conditions should be simultaneously satisfied: (i) the transition density for the S1 (or T1)-to-S0 emission must be delocalized over the entire chromophore; and (ii) the chromophore inter-segment twisting must be restricted and tuned to an optimal value (∼50°). Our findings offer molecular-level insights into the CPL of organic emitters, with potential applications in the design of chiroptical materials and systems with strong CPL effects.
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Transgressions and regressions in stratigraphic view: Facies of Holocene sediments of the Tuckerton Marshes, New Jersey (2nd edition)The Tuckerton salt marshes of the central New Jersey coast are the current depositional surface overlying Holocene marginal marine deposits that were investigated by hand coring and augering to depths as great as 10.6 m. An erosional surface on Sangamon marine topography underlies Holocene marsh, lagoon, and tidal delta sediments. Holocene facies geometry indicates a transgression followed by an episode of marine erosion and a depositional regression. Facies are mapped in terms of grain size, macro-fauna, Foraminifera, plant remains, and sedimentary structures. Some of the more interesting results of this investigation are: 1) typical depositional regression sequences occur even where late-Holocene sea-level rise continued along this coast, 2) coherent facies assemblages representing deeper/more saline conditions form the interior of a transgressive-regressive wedge in the landward part of the study area, 3) transgressional sequences are sporadically preserved in seaward parts due to superposed high-energy environments, producing an asymmetric transgression- regression distribution there, and 4) tidal-channel migration can form volumetrically dominant sand bodies in the sequence.
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Anomalous textures in porphyritic granite of Andhra Pradesh (India)Apparently perthitic textures of microcline phenocrysts in this rock are not due to exsolution but to deformation. Microscopic fracture planes show no offset, however, and are restricted to feldspar crystals, i.e. absent in quartz. A hypothesis of depth formation is presented, and possible shock origin discussed.
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Architecture of ponderosa pine bark in relation to spalling behaviorShedding/spalling behavior of ponderosa bark, with or without fire impetus, is primarily a function of the geometry of individual bark pieces, which are stable laterally due to their digitate shapes, and metastable radially due to flanges around the base of each piece. In detail, each piece is a zoned envelope of distinctive elements, separated from other pieces by another element. Different physical properties of these elements are probably involved in bark-piece expulsion, which requires sequential flange release. Criteria to determine any role of fire in bark-piece expulsion are described.
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Shakeup--cultural impacts of tectonic activity in ancient complex culturesMy purpose in mounting this entry in bepress is to make public the text and illustrations of two talks I have recently given on this subject, related in turn to my 2015 book with Lexington Press "Impact of tectonic activity on ancient civilizations."
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Anomalous upland gravel unit in Pecos area of northern New MexicoAn extensive cobble-boulder gravel in the area of Pecos and its National Historical Park is anomalous both in its depositional geometry and its clast population, the latter dominated by metasedimentary muscovite gneiss and quartzite. Derivation is from high-grade metamorphic units of the northernmost Pecos River headwaters that form a very small fraction of the drainage. A short-lived transport system is consistent with the depositional geometry of the gravel, which is draped over a large area, apparently as an outwash fan now stranded by later downcutting of the Pecos River. Episodic outflow due to glacial or post-glacial mass-wasting is suggested by the geomorphology of the headwater area among the Truchas Peaks.
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Internal variations and structure of the Catalina Intrusive Suite, Tucson area, Arizona--a reconnaissance and guide to needed work -- Sketches in Arizona GeologyThe Catalina Intrusive Suite (”Catalina Granite”), forming the western end of the Santa Catalina Mountains north of Tucson, is apparently of mid-Tertiary age and post-dates the mylonitic deformation of older granites of the range. Its semicircular outcrop shape is bisected by the Pirate fault, though outliers are present in the Tortolita Mountains. This shape and the presence of ring-dikes previously suggested concentric structure of otherwise homogeneous elements. This study however divides the Catalina IC into two units, the older of which itself shows two domain.. The basal domain of the older unit , mostly of porphyritic coarse granite, contains two bands of problematic mafic segregations and dikes which suggests successive intrusions of granite and mafics. The upper domain of the older unit , mostly of quartz monzonite, shows gravity layering that dips NNE, like most of the Catalina IS’s country rocks. The younger unit , of finer-grained leucocratic granite with a distinct xenolith assemblage, forms a nearly-continuous rim around the older unit. This rim may be considered a three-dimensional carapace if some internal outcrops are part of a “lid”. This rim/carapace is present only as sporadic thin rim-dikes on the north, but thick on the east (the Reef of Rock ring-dike) and south. That is, the Catalina IS is hinged on its northern margin. The external shape of the Catalina IS as a whole is insufficiently constrained in three dimensions from its outcrop pattern, despite excellent exposure with considerable topographic relief. One possibility is a NNE- tilted “bandshell”-shape (open to the Pirate fault), and if so the thick southern rim of younger leucogranite probably intruded a subsided southern margin of the older unit, in “trap-door” manner. Despite excellent work now about 50 years old, recent work had lagged until Ducea et al. (2020), and many features of the Catalina IS are still insufficiently known and deserve attention. Among these are the age of the younger unit, and the rotation history of the older unit.
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Geomorphic evolution of the ancient site of Los Millares, Andalucia (Spain) –mid-Holocene sedimentation, eustacy, and tectonic activityThe material remains of the Copper-Age (ca. 5200-4200 BP) site of Los Millares (Almeria province), currently 19 km inland from the Mediterranean, suggest marine connections. It is architecturally complex, and its clifftop setting above the aggrading Andarax River suggests defensibility. Its mid-Holocene age suggests the possibility of formerly extensive estuarine environments (net tectonic base-level control being locally minor despite regional tectonic activity), thus giving the site unusual trade potential. In spite of substantial subsurface data, geomorphic reconstruction becomes ambiguous past known medieval estuarine morphology due to the difficulty of acquiring datable material from depth. Certainly Los Millares when occupied had much closer access to marine waters than at present, and protecting cliffs were more formidable. Our conclusions suggest that additional investigations of several types are warranted.
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A compendium of glacigenic features of the Truchas Peaks area of northern New Mexico, informed by LiDAR and other remote methodsFeatures of the cirques and contiguous valleys of the Truchas Peaks area show anomalous features in remote images, many of which do not fit a conventional valley-glacial model. Indeed some cirque lakes of the area are impounded not by moraines but by mass movements of various sorts, which probably result from previous glaciation. The combination of LiDAR and Google Earth is powerful in describing these features, the former for dynamic description and the latter for detailed vertical control. In this report I describe twenty cirque/valley combinations, hoping to elecit interest in field description of pertinent features.
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Identification of key factors and mechanism determining arsenic mobilization in paddy soil-porewater-rice systemArsenic (As) mobilization in paddy fields poses significant health risks, necessitating a thorough understanding of the controlling factors and mechanisms to safeguard human health. We conducted a comprehensive investigation of the soil-porewater-rice system throughout the rice life cycle, focusing on monitoring arsenic distribution and porewater characteristics in typical paddy field plots. Soil pH ranged from 4.79 to 7.98, while porewater pH was weakly alkaline, varying from 7.2 to 7.47. Total arsenic content in paddy soils ranged from 6.8 to 17.2 mg/kg, with arsenic concentrations in porewater during rice growth ranging from 2.97 to 14.85 μg/L. Specifically, arsenite concentrations in porewater ranged from 0.48 to 7.91 μg/L, and arsenate concentrations ranged from 0.73 to 5.83 μg/L. Through principal component analysis (PCA) and analysis of redox factors, we identified that arsenic concentration in porewater is predominantly influenced by the interplay of reduction and desorption processes, contributing 43.5 % collectively. Specifically, the reductive dissolution of iron oxides associated with organic carbon accounted for 23.3 % of arsenic concentration dynamics in porewater. Additionally, arsenic release from the soil followed a sequence starting with nitrate reduction, followed by ferric ion reduction, and subsequently sulfate reduction. Our findings provide valuable insights into the mechanisms governing arsenic mobilization within the paddy soil-porewater-rice system. These insights could inform strategies for irrigation management aimed at mitigating arsenic toxicity and associated health risks.
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In vivo safety and pulmonary vein isolation performance of a new cryoballoon for the treatment of atrial fibrillationBackground: Cryoablation to achieve pulmonary vein (PV) isolation has become one of the standard approaches for atrial fibrillation (AF) ablation. The Arctic Front series cryoballoon and Achieve circular mapping catheter (Medtronic) inherently possess design defects that have been associated with unfavorite clinical outcomes. Lately, a new cryoablation system (Nordica Cryoablation System, Synaptic Medical) was developed with improved design of the cryoballoon and circular mapping catheter to address the inadequacies of current cryoablation technology. An animal study was conducted to test the efficacy and safety in performing PVI with the Nordica Cryoablation System. Methods: Pulmonary vein isolation with the Nordica Cryoablation System was performed on 12 PVs of six healthy canines. Acute PVI and peri-procedural complications were recorded. All animals underwent a repeat EP study at least 4 weeks after index procedures followed by pathological and histological assessments of the heart and collateral/downstream organs after planned euthanasia. Results: Acute PV isolation was achieved in all targeted PVs with 50% of PVs being isolated with a single cryoablation application. There were no major peri-procedural complications or device malfunction events. All PVs remained isolated after 29–30 days follow-up. Histological examination showed transmural cryo-lesions at treated sites with minimal inflammation, neovascularization, and neointima formation but no significant injury to adjacent tissue or embolization in downstream organs. Conclusion: Acute and durable PVI can be achieved by using the novel Nordica Cryoablation System. Ablation with this new cryoablation system is associated with transmural lesions at targeted myocardium but creates no injury to the collateral tissues or downstream organs.
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Demonstrating Inclusion and Allyship: Amplifying an Indigenous Voice Through Physical and Digital ExhibitionIn this chapter, I discuss how I displayed resources to help promote the knowledge that the Navajo people have “always had the rule of law” and to amplify the Navajo writer, Joseph K. Austin, behind that knowledge.3 To support and demonstrate the need for further inclusion, I provide a literature review of scholarship and detail the genesis of the physical and digital exhibits I curated from the works cited by Austin in his article, “The Words of the Talking God: Building and Sustaining Native Nations Through the Common Law.” I describe my collaboration with Austin and other colleagues from my law library and discuss how future collaboration is sustainable.
