نتایج جستجو برای: chalcolithic period

تعداد نتایج: 490427  

2009
S. PUMPLÜN

We generalize the classical Cayley-Dickson doubling process starting with a quaternion algebra over a field F by allowing the scalar in the doubling to be an invertible element in the algebra. We investigate the resulting eight-dimensional algebras over F and show that they are division algebras for all scalars chosen in D outside of the base field F , if D is a division algebra.

Journal: :Journal of experimental psychology. Learning, memory, and cognition 1995
L M Carrier H Pashler

The hypothesis that episodic memory retrieval can occur in parallel with other cognitive processes was tested in 2 experiments. Participants memorized words and then performed speeded cued recall (Experiment 1) or speeded yes-no recognition (Experiment 2) in a dual-task situation. The psychological refractory period design was used: The participant was presented with a single test item at vario...

Journal: :Journal of experimental psychology. Human perception and performance 2010
Hagit Magen Asher Cohen

The Dimension Action (DA) model asserts that the visual system is modular, and that each task involves multiple-response mechanisms rather than a unitary-response selection mechanism. The model has been supported by evidence from single-task interference paradigms. We use the psychological refractory period paradigm and show that dual-task performance can also be explained by the DA model. In 6...

Journal: :SIAM J. Comput. 2013
T.-H. Hubert Chan Mingfei Li Li Ning Shay Solomon

In a seminal STOC’95 paper, Arya et al. conjectured that spanners for low-dimensional Euclidean spaces with constant maximum degree, hop-diameter O(logn) and lightness O(logn) (i.e., weight O(logn)· w(MST)) can be constructed in O(n logn) time. This conjecture, which became a central open question in this area, was resolved in the affirmative by Elkin and Solomon in STOC’13 (even for doubling m...

Journal: :Biological psychology 2009
Benoit Brisson Emilie Leblanc Pierre Jolicoeur

It has recently been demonstrated that a lateralized distractor that matches the individual's top-down control settings elicits an N2pc wave, an electrophysiological index of the focus of visual-spatial attention, indicating that contingent capture has a visual-spatial locus. Here, we investigated whether contingent capture required capacity-limited central resources by incorporating a continge...

Journal: :Psychological science 2007
Wilfried Kunde Franziska Landgraf Marko Paelecke Andrea Kiesel

It is widely acknowledged that visual input is processed along two anatomically and functionally distinct pathways--a ventral pathway for conscious perception and a dorsal pathway for action control. The present study investigated whether the apparent direct and unmediated processing in the dorsal stream is subject to capacity limitations. Specifically, we tested whether a simple dorsal task of...

2015
Jim Wood Einar Freyr Sigurðsson Raffaella Zanuttini

Journal: :Cuadernos de prehistoria y arqueología 2023

The Early Bronze (EB) I culture in the Turkish Middle Euphrates is of particular importance to our Tilbes Project. Such an archaeological period was discovered three sites under supervision. We have been able differentiate two different moments character occupation during this Age I, Phases Ia and Ib. EB phase characterized by a large urbanization extensive settlement places Surtepe Höyük, Tilv...

Journal: :Heritage Science 2022

Abstract The present study reports a series of interdisciplinary archaeometrical analyses objects found in the Christmas Cave, which was discovered by John Allegro and his team 1960 on West Bank Dead Sea assumed to be inhabited only Chalcolithic era Jewish refugees second century CE, at end Bar Kokhba Revolt. Like many other Judaean desert caves, there an abundance organic material, especially ...

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