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Dimitrijevic Andrew - - 2006
Event-related potential correlates of the buildup of precedence effect were examined. Buildup is a type of precedence effect illusion in which perception changes (from hearing two clicks to hearing one click) during a click train. Buildup occurs faster for right-leading than left-leading clicks. Continuous click trains that changed leading sides ...
Bühren Jens - - 2006
PURPOSE: To identify factors that affect the change in lower- and higher-order wavefront aberrations after myopic wavefront-guided laser in situ keratomileusis (wg-LASIK). SETTING: Department of Ophthalmology, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany. METHODS: Sixty myopic eyes of 32 patients were treated with wg-LASIK (Zyoptix version 3.1, Bausch & Lomb) ...
Pridemore William Alex - - 2006
Durkheim argued that acute political crises result in increased homicide rates because they pose a threat to sentiments about the collective. Though crucial to Durkheim's work on homicide, this idea remains untested. The authors took advantage of the natural experiment of the collapse of the Soviet Union to examine this ...
Fong Peggy - - 2006
Macroalgal dominance of some tropical reef communities in the Eastern Pacific after coral mortality during the 1997-1998 El Niño Southern Oscillation (ENSO) was facilitated by protection from herbivory by epiphytic cyanobacteria. Our results do not support that reduction in number of herbivores was a necessary precursor to coral reef decline ...
Dawson Alistair - - 2006
Despite the importance of molt to birds, very little is known about its environmental or physiological control. In starlings Sturnus vulgaris, and other species, under both natural conditions and experimental regimes, gonadal regression coincides with peak prolactin secretion. The prebasic molt starts at the same time. The aim of this ...
Meléndez-Martínez Antonio J - - 2006
The color of citrus beverages, in general, is related to the consumers' perception of flavor, sweetness, and other characteristics related to the quality of these products, so it is important to develop suitable methods for accurately assessing this attribute. In this study, the color of 2 different kinds of orange ...
Polyzos Ioannis - - 2006
The current article presents the photobleaching properties of a group of pyrylium salts under ultrashort pulsed illumination. These pyrylium salts have the same basic chemical structure and differ only by a specific substituent. It is proven experimentally that two different mechanisms are simultaneously present to the photobleaching of all molecules ...
Nunes Flavia - - 2006
An exceptional analogue for the study of the causes and consequences of global warming occurs at the Palaeocene/Eocene Thermal Maximum, 55 million years ago. A rapid rise of global temperatures during this event accompanied turnovers in both marine and terrestrial biota, as well as significant changes in ocean chemistry and ...
Dalgleish Harmony J - - 2006
In perennial grasslands, the below-ground population of meristems (bud bank) plays a fundamental role in plant population dynamics. Here, we tested the 'meristem limitation hypothesis' prediction - that bud banks increase along an increasing precipitation/productivity gradient in North American grasslands - and assessed the seasonal dynamics of bud banks. We ...
Steinbach Haydée S - - 2006
We reviewed published results to estimate no-till effects on SOC and denitrification in the Argentine Pampas and the potential of no-till to mitigate the global warming effect. On an equivalent mass basis, 42 paired data sets were used for SOC comparisons of no-till vs. plow till (moldboard plow or disk ...
Valk W L - - 2006
An acute endolymphatic hydrops was induced by the injection of 1.1 mul of artificial endolymph into the scala media of guinea pig cochleas. This volume corresponds with an acute endolymphatic hydrops of 23%. During and after the injection, cochlear function was assessed by measuring the 2f(1)-f(2 )and f(2)-f(1) distortion products ...
Neiffer Donald L - - 2005
Toxicosis associated with benzimidazole anthelmintics has been reported with increasing frequency in zoologic collections. Clinical signs, clinicopathologic abnormalities, and gross and histologic lesions are primarily the result of damage to the gastrointestinal and hematopoietic systems. Profound leukopenia, especially granulocytopenia, is the most common and severe clinicopathologic change associated with benzimidazole ...
Wing Scott L - - 2005
Rapid global warming of 5 degrees to 10 degrees C during the Paleocene-Eocene Thermal Maximum (PETM) coincided with major turnover in vertebrate faunas, but previous studies have found little floral change. Plant fossils discovered in Wyoming, United States, show that PETM floras were a mixture of native and migrant lineages ...
Foo Jong Yong A - - 2005
Pulse transit time (PTT) is a non-invasive measure of arterial compliance. It can be used to assess instantaneous blood pressure (BP) changes in continual cardiovascular measurement such as during overnight respiratory sleep studies. In these studies, periodic changes in limb position can occur randomly. However, little is known about their ...
Song Wu-Chul - - 2005
In a 30-year-old man, bilateral Kirner's deformity has been diagnosed. In the fully extended finger, the long axes of the middle and terminal phalanges formed an angle of 10 degrees in the volar and 5 degrees in the radial direction. Owing to the altered morphology of the distal phalanx, its ...
Tuan K Ashley - - 2005
PURPOSE: Finding the best way to capture the wavefronts of small pupils for refractive surgery has become a more pressing issue as the general population ages. This study explores whether pharmaceutical dilation impacts wavefront measurement and pupil centroid. METHODS: Baseline measurements were performed on 32 eyes using the VISX WaveScan ...
Wright S Joseph - - 2005
Understanding and mitigating the impact of an ever-increasing population and global economic activity on tropical forests is one of the great challenges currently facing biologists, conservationists and policy makers. Tropical forests currently face obvious regional changes, both negative and positive, and uncertain global changes. Although deforestation rates have increased to ...
Liu Jiyuan - - 2005
Along with its economic reform, China has experienced a rapid urbanization. This study mapped urban land expansion in China using high-resolution Landsat Thematic Mapper and Enhanced Thematic Mapper data of 1989/1990, 1995/1996 and 1999/2000 and analyzed its expansion modes and the driving forces underlying this process during 1990-2000. Our results ...
Trammer Jerzy - - 2005
The behavior of the maximum body size (body length) in an evolving clade is exemplified by the evolutionary histories of Bivalvia, Cetacea, and Camerata (Crinoidea). Changes of the maximum size with time track closely diversification history: when a clade diversifies exponentially, the maximum size also increases exponentially, and when the ...
Jacob Giris G Jacob Recanati Autonomic Dysfunction Center, Internal Medicine C, Rambam Medical Center, Haifa, - - 2005
To determine the magnitude of posture-related changes in blood components. Twenty-eight healthy subjects were studied between 1995 and 2004 at the Vanderbilt Autonomic Dysfunction Center, Nashville, Tenn. Lying and standing plasma volume (PV) and hematocrit (Hct) values were determined for each subject. Individual PV decreases on standing ranged from 6% ...
Vach Werner - - 2005
BACKGROUND AND OBJECTIVE: The dependence of Cohen's kappa on the prevalence has been a major concern in the literature. Indeed, it indicates a serious limitation with respect to comparing kappa-values among studies with varying prevalences. STUDY DESIGN AND SETTING: The basic arguments used by different authors are reviewed. RESULTS: Two ...
Davies G R - - 2005
Abnormalities within normal-appearing grey and white matter (NAGM and NAWM) occur early in the clinical course of multiple sclerosis (MS) and can be detected in-vivo using the magnetisation transfer ratio (MTR). To better characterize the rates of change in both tissues and to ascertain when such changes begin, we serially ...
Nealis Vincent G - - 2005
The terpene composition of current-year buds of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, was analyzed from before budburst to after buds were fully flushed. Terpene composition was measured at weekly intervals for several seasons at eight different locations in the southern interior of British Columbia, Canada. Discriminant functions relating terpene composition ...
Sinha U S - - 2005
Of a total of 205 poisoning deaths in our hospital in 2003, 83 cases were due to Aluminium phosphide poisoning and were further analyzed. Most vulnerable age group was 21-40 years and M:F ratio was 2:1. On naked eye examination, almost all the vital organs were found to be congested. ...
Autio Karin - - 2005
The effects of TGase in dough after 15, 30, 45, and 60 min of resting time after mixing were studied with a Kieffer test. The resistance to stretching of control dough did not change greatly during the 60 min time period after mixing. In dough, TGase decreased extensibility and increased ...
Lin Gialih - - 2005
Alkane-1-N-butylcarbamate-n-ols (1-7) and 1,n-alkane-di-N-butylcarbamates (8-14) are potent pseudo-substrate inhibitors of acetylcholinesterase. For inhibitors 1-7, the pre-steady state -logK(s) values and steady state -logK(i), values are linearly correlated with the tether length (N). However, for inhibitors 8-14, correlation of the -logK(s) or -logK(i) values against N deviates from linearity. A discontinuity ...
Sartor Jennifer J - - 2005
In seasonally breeding songbirds, variations in testosterone and song correlate with volume changes in brain nuclei associated with song, including the HVC. The authors tested whether singing can lead to activity-dependent increases in HVC volume by examining song output in starlings (Sturnus vulgaris). The authors manipulated males' environments so that ...
Wichman Holly A - - 2005
Bacteriophage phiX174 was evolved on a continuous supply of sensitive hosts for 180 days ( approximately 13,000 phage generations). The average rate of nucleotide substitution was nearly 0.2% (11 substitutions)/20 days, and, surprisingly, substitutions accumulated in a clock-like manner throughout the study, except for a low rate during the first ...
Mestres Montserrat - - 2005
The influence of gel texture on retronasal aroma release during mastication was followed by means of real-time proton-transfer reaction mass spectrometry and compared to sensory perception of overall aroma intensity. A clear correlation was found between individual-specific consumption patterns and the respective physicochemical release patterns in vivo. A modified data ...
Ikushima Toshimitsu - - 2005
The orientation of cortical microtubules (cMT) during gravitropism was studied in epidermal cells of azuki epicotyls. The relative proportion of cells with longitudinal cMT increased in the upper epidermis, and those with transverse cMT increased in the lower epidermis. When epicotyls were kept straight during gravistimulation, no change in cMT ...
Johal Sandeep - - 2005
Prior to the introduction of legislation in the United Kingdom, observational road-side studies showed that approximately 2 per cent of drivers use a mobile phone while driving. We studied the change in the usage rate of hand-held mobile phones from 10 weeks before to 10 weeks after the legislation came ...
Timmons, Brian Weldon.
Thesis (Ph.D.)--McMaster University, 2005.
Linley P Alex - - 2005
BACKGROUND: The negative effects of vicarious traumatization through trauma work are well known. However, a growing body of evidence testifies to the positive effects that have been reported following trauma. This study explored the potential positive effects of trauma work on therapists, with a focus on the associations of the ...
Schuster David G - - 2005
This article examines how the affliction of neurasthenia, commonly diagnosed in the late nineteenth and early twentieth centuries, acted as a catalyst for intellectual and lifestyle changes during a time of modernization. At the center of the study are three individuals: neurologist S. Weir Mitchell (1829-1914) and two of his ...
Bell Michael Sg MS Division of Plastic Surgery, University of Ottawa, Ottawa Hospital, Ottawa, - - 2005
Surgical soft tissue debridement of an inflamed or necrotic wound can be a challenging, time-consuming exercise, often with disproportionate blood loss. Suction-assisted curettage is a safe, simple and effective technique for these common, frustrating problems.
Vilupuru Abhiram S AS College of Optometry, University of Houston, 505 J Davis Armistead Bldg, 4901 Calhoun Rd, Houston, TX 77004, - - 2005
Changes in accommodative dynamics with repeated accommodation were studied in three anesthetized rhesus monkeys and two conscious humans. Maximum accommodation was centrally stimulated via the Edinger-Westphal nucleus in monkeys with a 4 s on, 4 s off paradigm (4 x 4) for 17 min, 4 x 1.5 for 27 min ...
Sawai Yuki - - 2004
In eastern Hokkaido, 60 to 80 kilometers above a subducting oceanic plate, tidal mudflats changed into freshwater forests during the first decades after a 17th-century tsunami. The mudflats gradually rose by a meter, as judged from fossil diatom assemblages. Both the tsunami and the ensuing uplift exceeded any in the ...
Willoughby Darryn S DS Department of Health, Human Performance, and Recreation, Baylor University , Waco, TX 76798, - - 2004
The present study determined the effects of concentric and eccentric muscle actions on the contents of serum myostatin and follistatin-like related gene (FLRG). Eight untrained males performed one exercise bout with each leg, separated by three weeks. One bout consisted of 7 sets of 10 repetitions of eccentric muscle actions ...
Chavez Jack J - - 2004
We used a thrombelastograph (TEG) assay with tissue factor and kaolin (TEG TF/K) to measure activated clotting time (ACT) in 31 patients during cardiopulmonary bypass. For comparison, ACTs were also determined by a Hemochron Jr. Signature and a Hepcon HMS. The TEG TF/K correlated with both the Hepcon (r(2) = ...
Dietrich A - - 2004
Exercise induces changes in mental status, particularly analgesia, sedation, anxiolysis, and a sense of wellbeing. The mechanisms underlying these changes remain unknown. Recent findings show that exercise increases serum concentrations of endocannabinoids, suggesting a possible explanation for a number of these changes. This article provides an overview of this emerging ...
Van Hekken Diane L - - 2004
To enhance the understanding of the quality traits of goat's milk cheeses, rheological and proteolytic properties of Monterey Jack goat's milk cheese were evaluated during 26 weeks of 4 degrees C storage. As expected with aging, beta-casein levels decreased with concomitant increases in peptide levels and were correlated with changes ...
Edwards Martin - - 2004
Phenology, the study of annually recurring life cycle events such as the timing of migrations and flowering, can provide particularly sensitive indicators of climate change. Changes in phenology may be important to ecosystem function because the level of response to climate change may vary across functional groups and multiple trophic ...
Chapin F Stuart FS - - 2004
Changes in boreal climate of the magnitude projected for the 21st century have always caused vegetation changes large enough to be societally important. However, the rates and patterns of vegetation change are difficult to predict. We review evidence suggesting that these vegetation changes may be gradual at the northern forest ...
Brummell David A - - 2004
Cell wall changes were examined in fruit of a melting flesh peach (Prunus persica L.) allowed to ripen on the tree. Three phases to softening were noted, the first of which began prior to the completion of flesh colour change and an increase in ethylene evolution. Softening in young mature ...
Brown Sheena M - - 2004
The primary antennal sensory centers (antennal lobes) in the brain of the honeybee are highly compartmentalized into discrete spheres of synaptic neuropil called glomeruli. Many of the glomeruli can be identified according to their predictable size and location. This study examines T1-44, a prominent glomerulus on the dorsal surface of ...
Wardle David A - - 2004
During succession, ecosystem development occurs; but in the long-term absence of catastrophic disturbance, a decline phase eventually follows. We studied six long-term chronosequences, in Australia, Sweden, Alaska, Hawaii, and New Zealand; for each, the decline phase was associated with a reduction in tree basal area and an increase in the ...
Hughen Konrad A - - 2004
Identifying leads and lags between high- and low-latitude abrupt climate shifts is needed to understand where and how such events were triggered. Vascular plant biomarkers preserved in Cariaco basin sediments reveal rapid vegetation changes in northern South America during the last deglaciation, 15,000 to 10,000 years ago. Comparing the biomarker ...
Rosser Daniel A - - 2004
PURPOSE: To determine the effect of optical defocus on the test-retest variability (TRV) of visual acuity measurements in normal subjects. METHODS: Normal subjects underwent repeated visual acuity measurement with optical defocus of 0, 0.50, and 1.00 D. All measurements were taken using the Early Treatment Diabetic Retinopathy Study (ETDRS) version ...
Barlow Jos - - 2004
Over the past 20 years the combined effects of El Niño-induced droughts and land-use change have dramatically increased the frequency of fire in humid tropical forests. Despite the potential for rapid ecosystem alteration and the current prevalence of wildfire disturbance, the consequences of such fires for tropical forest biodiversity remain ...
Yunger John A - - 2004
Predation directly changes the demographics of prey, generally through a numerical decrease. An indirect effect of predators is alteration of movements and spatial patterns of prey. The relationship between these direct and indirect effects can be tested by excluding predators. Home range size of white-footed mice (Peromyscus leucopus) decreased and ...
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