نتایج جستجو برای: short term variation

تعداد نتایج: 1156961  

2005
Klara Marton Richard G. Schwartz Aviva Braun

This study examined the effect of age and language structure on working memory (WM) performance in three groups of participants (7;0-8;6 9;6-11:00; 19-22 years). The findings suggest that both age and language structure have an impact on WM performance. There was an interaction between these two factors that resulted in differences in performance pattern and error type. The measures of the stor...

2014
Dandan Tang Xiao Zhao Antao Chen

Researchers have previously suggested a working memory (WM) account of spatial codes, and based on this suggestion, the present study carries out three experiments to investigate how the task-relevant attribute representation (verbal or visual) in the typical Simon task affects the Simon effect. Experiment 1 compared the Simon effect between the between- and within-category color conditions, wh...

Journal: :Cognitive psychology 2014
Nash Unsworth Keisuke Fukuda Edward Awh Edward K Vogel

Several theories have been put forth to explain the relation between working memory (WM) and gF. Unfortunately, no single factor has been shown to fully account for the relation between these two important constructs. In the current study we tested whether multiple factors (capacity, attention control, and secondary memory) would collectively account for the relation. A large number of particip...

2016
Kim Ouwehand Tamara van Gog Fred Paas

In this study, we investigated whether the visuospatial working memory performance of young and older adults would improve if they used a multimodal as compared with a unimodal encoding strategy, and whether or not visual cues would add to this effect. In Experiment 1, participants were presented with trials consisting of an array of squares and an array of circles. They were instructed to poin...

Journal: :Memory & cognition 2014
Nathan S Rose Bradley R Buchsbaum Fergus I M Craik

Many working memory (WM) models propose that the focus of attention (or primary memory) has a capacity limit of one to four items, and therefore, that performance on WM tasks involves retrieving some items from long-term (or secondary) memory (LTM). In the present study, we present evidence suggesting that recall of even one item on a WM task can involve retrieving it from LTM. The WM task requ...

Journal: :Animal : an international journal of animal bioscience 2013
R S Hegarty

A short term enteric methane emission measurement is not identical to a measure of daily methane production (DMP) made in a respiration chamber (RC). While RC curtail most variation except that from quantity and composition of feed supplied, all short-term measurements contain additional sources of variation. The points of difference can include measurement time(s) relative to feeding, feed int...

Journal: :Circulation. Arrhythmia and electrophysiology 2009
Satish C Toal Talha A Farid Raja Selvaraj Vijay S Chauhan Stephane Masse Joan Ivanov Louise Harris Eugene Downar Michael R Franz Kumaraswamy Nanthakumar

BACKGROUND Action potential duration (APD) variation is an important determinant of wave break and reentry. The determinants of APD variability during early ventricular fibrillation (VF) in myopathic human hearts have not been studied. The objective of this study was to study the role of APD restitution and short-term cardiac memory on variation in human VF. METHODS AND RESULTS The study cons...

2009
Satish C. Toal Talha A. Farid Vijay S. Chauhan Eugene Downar

Background—Action potential duration (APD) variation is an important determinant of wave break and reentry. The determinants of APD variability during early ventricular fibrillation (VF) in myopathic human hearts have not been studied. The objective of this study was to study the role of APD restitution and short-term cardiac memory on variation in human VF. Methods and Results—The study consis...

Journal: :Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie 2017
O Cortés S Dunner L T Gama A M Martínez J V Delgado C Ginja L M Jiménez J Jordana C Luis M M Oom D P Sponenberg P Zaragoza J L Vega-Pla

Criollo horse populations descend from horses brought from the Iberian Peninsula over the period of colonization (15th to 17th century). They are spread throughout the Americas and have potentially undergone genetic hybridization with other breeds in the recent past. In this study, 25 autosomal microsatellites were genotyped in 50 horse breeds representing Criollo populations from 12 American c...

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