Developmental associations between short-term variability and long-term changes: Intraindividual correlation of positive and negative affect in daily life and cognitive aging.

AbstractWe investigate the spin-down behaviour of a sample of 25 radio pulsars on decadal timescales (~ 18 years) using a continuous timing data obtained over a period of at Hartebeesthoek Radio Astronomy Observatory (HartRAO). Particular attention is placed on achieving a better time resolution of both the short-term and long-term changes in pulsar spin-down using local phase-coherent measurements of the spin-down rates (). We demonstrate that the spin-down of radio pulsars is generally complicated by a superposition of processes that may or may not be related. Specifically, our results show that (i) for 7 pulsars, the observed spin-down variation is largely stochastic, characterized by random and sustained jumps in of varying amplitudes, (ii) for 9 objects, the spin-down evolution shows dominant monotonic variations in superimposed on short-term stochastic jumps in the parameter, and (iii) for the remaining 9 pulsars, the long-term spin-down evolution is non-monotonic, dominated by some systematic excursion in the measured spin-down rates.

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Long- and Short-Term Changes of the Structure of Macrophytes in Lake Piaseczno in Relation to Land Use in the Łęczna-Włodawa Lakeland (Poland)

Transylvanian Review of Systematical and Ecological Research ◽

10.2478/trser-2013-0022 ◽

2013 ◽

Vol 15 (2) ◽

pp. 101-110

Author(s):

Joana Sender ◽

Weronika Maślanko

Keyword(s):

Land Use ◽

Aquatic Plants ◽

Short Term ◽

Main Interest ◽

Central European ◽

Macrophyte Communities ◽

Long Term Changes ◽

Very High ◽

Macrophyte Structure

ABSTRACT The Łęczna-Włodawa Plain, known also as the Łęczna-Wlodawa Lakeland, lies within the territory of the largest subregion of the Polesie region, covering over 1,300 km2. The main interest of the Łęczna-Włodawa Lakeland is that it is the oldest in the Central European Lowlands group of about 68 lakes. Among such a large number of lakes there exist all trophic types. However, since the late 1950’s, enormous dynamics of change associated with the disappearance of oligo- and mesotrophic lakes and their transformation into eutrophic, even hypertrophic, lakes have been observed. One of the biocenotic elements of the lakes, which are indicators of these changes, is aquatic plants. The aim of this study was to determine the macrophyte structure of Piaseczno Lake and changes of land use in its surroundings. Piaseczno Lake still represents very high natural values. A reduction in the number of macrophyte communities, which occurred especially in 2008, was a consequence of the fast-growing recreation infrastructure. From 1976 until 2010 an area of recreation infrastructure in the studied area increased more than 3.5 times, and in the built-up area more than five times, as well as a doubling of the total length of the roads. Meanwhile the surface area of wetlands and peatbogs significantly decreased - more than 11 times. Long-term changes in the structure of the macrophyte communities show that the number of communities has varied in each year, probably as a consequence of changes in landuse. Analysis showed changes to the surfaces inhabited by macrophytes, which have decreased significantly over only four years, by more than 25%. However, the proportion of rush communities has increased.

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Fetal Vibroacoustic Stimulation in Computerized Cardiotocographic Analysis: The Role of Short-Term Variability and Approximate Entropy

Journal of Pregnancy ◽

10.1155/2012/814987 ◽

2012 ◽

Vol 2012 ◽

pp. 1-7 ◽

Cited By ~ 3

Author(s):

Maria Laura Annunziata ◽

Mariamaddalena Scala ◽

Natascia Giuliano ◽

Salvatore Tagliaferri ◽

Olga Carmela Maria Imperato ◽

...

Keyword(s):

High Risk ◽

Perinatal Outcomes ◽

Approximate Entropy ◽

Computer Assisted ◽

Short Term ◽

Fetal Movements ◽

The Impact ◽

Short Term Variability

The aim of this study was to evaluate the impact of vibroacoustic stimulation (VAS) on computerized cardiotocography short-term variability (STV) and approximate entropy (ApEn) in both low- and high-risk pregnancies. VAS was performed on 121 high- and 95 low-risk pregnancies after 10 minutes of continuous quiet, while their FHR parameters were monitored and recorded by cCTG analysis. Fetal heart rate was recorded using a computer-assisted equipment. Baseline FHR, accelerations, decelerations, STV, long-term irregularity (LTI), ApEn, and fetal movements (FMs) were calculated for defined observational periods before VAS and after 10 minutes. Data were also investigated in relationship with the perinatal outcome. In each group of patients, FHR after VAS remained almost unmodified. Fetal movements significantly increased after VAS in both groups. Results show that only in the high-risk pregnancies, the increase of STV and the decrease of ApEn after VAS were significantly associated with favorable perinatal outcomes.

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Measurement of negative attitudes toward robots

Interaction Studies ◽

10.1075/is.7.3.14nom ◽

2006 ◽

Vol 7 (3) ◽

pp. 437-454 ◽

Cited By ~ 101

Author(s):

Tatsuya Nomura ◽

Tomohiro Suzuki ◽

Takayuki Kanda ◽

Kensuke Kato

Keyword(s):

University Students ◽

Social Influence ◽

Daily Life ◽

Validity And Reliability ◽

Short Term ◽

Negative Attitudes ◽

Japanese University ◽

The Social

A great deal of research has been performed recently on robots that feature functions for communicating with humans in daily life, i.e., communication robots. We consider it important to develop methods to measure humans’ attitudes and emotions that may prevent them from interaction with communication robots, as indices to study short-term and long-term interaction between humans and communication robots. This study is aimed at exploring the influence of negative attitudes toward robots, focusing on applications of communication robots to daily-life services. First, a scale of negative attitudes toward robots consisting of three subordinate scales, “negative attitudes toward situations of interaction with robots,” “negative attitudes toward the social influence of robots,” and “negative attitudes toward emotions in interaction with robots,” was developed based on a data sample comprising of 263 Japanese university students. This scale was administered to 240 Japanese university students to confirm its validity and reliability. In this paper, we report on the results of analyses of these data samples. Moreover, we discuss some future problems including a comparison of attitudes toward robots between nations.

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Short-Term and Long-Term Changes in Corneal Power Are Not Correlated With Axial Elongation of the Eye Induced by Orthokeratology in Children

Eye & Contact Lens Science & Clinical Practice ◽

10.1097/icl.0000000000000313 ◽

2018 ◽

Vol 44 (4) ◽

pp. 260-267 ◽

Cited By ~ 6

Author(s):

Jacinto Santodomingo-Rubido ◽

César Villa-Collar ◽

Bernard Gilmartin ◽

Ramón Gutiérrez-Ortega

Keyword(s):

Short Term ◽

Corneal Power ◽

Axial Elongation ◽

Long Term Changes

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Modelling large timescale and small timescale service variability

Annals of Operations Research ◽

10.1007/s10479-019-03395-9 ◽

2019 ◽

Vol 293 (1) ◽

pp. 123-140

Author(s):

Marco Gribaudo ◽

Illés Horváth ◽

Daniele Manini ◽

Miklós Telek

Keyword(s):

Service Time ◽

Large Scale ◽

Service Time Distribution ◽

Efficient Computation ◽

Short Term ◽

Service Unit ◽

Long Term Effect ◽

Short And Long Term ◽

Short Term Variability

Abstract The performance of service units may depend on various randomly changing environmental effects. It is quite often the case that these effects vary on different timescales. In this paper, we consider small and large scale (short and long term) service variability, where the short term variability affects the instantaneous service speed of the service unit and a modulating background Markov chain characterizes the long term effect. The main modelling challenge in this work is that the considered small and long term variation results in randomness along different axes: short term variability along the time axis and long term variability along the work axis. We present a simulation approach and an explicit analytic formula for the service time distribution in the double transform domain that allows for the efficient computation of service time moments. Finally, we compare the simulation results with analytic ones.

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