نتایج جستجو برای: collection period
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Copyright © 2014 Elvira A. Abbruzzese et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In accordance of the Creative Commons Attribution License all Copyrights © 2014 are reserved for SCIRP and the owner of the intellectual ...
Three experiments examined the effects of task switching and response correspondence in a psychological refractory period paradigm. A letter task (vowel-consonant) and a digit task (odd-even) were combined to form 4 possible dual-task pairs in each trial: letter-letter, letter-digit, digit-digit, and digit-letter. Foreknowledge of task transition (repeat or switch) and task identity (letter or ...
The goal of this study was to assess the impact of individual neuropsychological differences on the ability to share attention between concurrent tasks. Participants (n = 20) were trained on six single task practice sessions and dual-task was assessed with reaction time performance on a psychological refractory period (PRP) paradigm. Neuropsychological test scores were also acquired. Furthermor...
LEMMA . At most (kn)'g"ulk k-sets Sc [ n ] have IP(S)I <u . Proof. Let a,< . . . < a k denote the elements of S. Call i doubling if P(a, , . . ., a i) has double the size of P(a, , . . ., a i 1 ) . There are at most lg u doubling i. Hence there are at most k'g" choices for doubling positions i and at most n'g" choices for the values a i . If i is not doubling then a i = x y, where x, y E P(a, ,...
2014 An experimental model of a modification of the Fermi acceleration problem is described. Evidence is presented for three consecutive bifurcations on the period doubling route of the system from regular to chaotic behaviour. J. Physique 44 (1983) 573-578 m 1983, Classification Physics Abstracts 47.20 47.65
In this note we give the definition of the ”doubling operation” for simple polytopes, find the formula for the h-polynomial of new polytope. As an application of this operation we establish the relationship between moment-angle manifolds and their real analogues and prove the toral rank conjecture for moment-angle manifolds ZP . Let P be a simple n-dimensional polytope with m facets: P = {x ∈ R...
It is an open question whether the visual transformations guiding human actions are similar to those generating visual perception. The Action-Perception model assumes a strict division of labor: the ventral cortical stream generates perception while the dorsal stream guides actions. However, only skilled and natural actions are assumed to be under dorsal control, while awkward and left-handed a...
The traditional approach to these facts assumes that CLLD involves movement, while HT does not.1 Other approaches, like the one recently developed by Frascarelli (2003), assume base generation of CLLD (much as HT) combined with the hypothesis that sensitivity to islands should come from the fact that the dislocated phrase of CLLD undergoes further movement from the left peripheral topic positio...
Antidepressants as a commodity have been remarkably little-studied by economists. This study shows in new data for 27 European countries that 8% of people (and 10% of those middle-aged) take antidepressants each year. The probability of antidepressant use is greatest among those who are middle-aged, female, unemployed, poorly educated, and divorced or separated. A hill-shaped age pattern is fou...
Humans and monkeys show intermittent arm movements while tracking moving targets. This intermittency has been explained by postulating either a psychological refractory period after each movement and/or an error deadzone, an area surrounding the target within which movements are not initiated. We present a technique to detect and quantify the size of this deadzone, using a compensatory tracking...
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