نتایج جستجو برای: spatial interaction

تعداد نتایج: 903888  

2007
Peter Fröhlich Rainer Simon Christian Kaufmann

In this paper, the potential of Mobile Spatial Interaction for Emergency Response Technologies is presented. The following basic advantages compared to traditional location awareness technologies have been identified: meaningful interaction with real-world objects, efficient selection and access, continuous interplay of virtual and spatial information, and accurate match with the user’s task go...

Consideration of comparative research as a "separate and different research process" is an issue that has not been addressed thoroughly, at least in Iran, and few of the research conducted under the title of "comparative" refer to studies conducted using different methods than the usual research methods. On the other hand, there has been a rise in the importance of interaction between different...

Introduction: Ecstasy is an amphetamine derivative, which its use has been consistently increasing over the past years. Ecstasy interacts with the glutamatergic system and it is known that glutamate receptors have a key role in learning and memory. The aim of this study was to investigate the interaction of ecstasy and glutamatergic system on learning and memory. Methods: Fifty-six male Wis...

2000
Jacob J. de Vries Peter Nijkamp Piet Rietveld

The Spatial Interaction Model proposed by Alonso as “Theory of Movements” offers a new specification of spatial origin-destination flow models. Equations for flows between regions, total outflow from and total inflow to a region are linked by balancing factors. The paper presents a consistent formulation of Spatial Interaction Models in the Wilson tradition and Alonso’s General Theory of Moveme...

Background & Aim: Instead of being based on reality, theoretical approaches related to the occurrence of learning are more based on the observations by researchers. One of the approaches is the study of the effect of changes in virtual education based on the physiological approach. This study aimed to compare the effectiveness of presentation of images in visual education on the brain function ...

Journal: :Vision Research 2003
Xian Zhang

In this paper, an extended multifocal VEP/ERG paradigm, referred to as the unified multifocal electroretinography and visual evoked potential paradigm (UMEV), is presented. This paradigm allows a simultaneous recording of luminance responses, temporal interactions, spatial interactions and spatial-temporal interactions. Two studies were conducted to demonstrate the capability and validity of th...

2007
Peter Nijkamp Aura Reggiani

This paper aims at providing new insights into dynaraic spatial interaction and I-O analysis by linking a multiple objective programming approach to stochastic dynaraic spatial allocation models. In this context, a multiple objective optimal control model is designed, which appears to lead to a generalized solution for conventional spatial interaction problems. Next, by using a Wiener (or Brown...

A. K. Sharma A. Sharma K. Agnihotri

The present paper deals with a toxin producing phytoplankton (TPP)-zooplankton interaction in spatial environment in thecontext of phytoplankton bloom. In the absence of diffusion the stability of the given system in terms of co-existence and hopf bifurcation has been discussed. After that TPP-zooplankton interaction is considered in spatiotemporal domain by assuming self diffusion in both popu...

Journal: :Journal of mathematical biology 2007
Nicolas Champagnat Sylvie Méléard

The interplay between space and evolution is an important issue in population dynamics, that is particularly crucial in the emergence of polymorphism and spatial patterns. Recently, biological studies suggest that invasion and evolution are closely related. Here, we model the interplay between space and evolution starting with an individual-based approach and show the important role of paramete...

Journal: :basic and clinical neuroscience 0
fahimeh yeganeh farnaz nikbakht homa rasouli

introduction: patients with epilepsy can have impaired cognitive abilities. many factors contribute to this impairment, including the adverse effects of antiepileptic drugs like gabapentin (gbp). apart from anti-epilectic action, gabapentin is used to relieve ethanol withdrawal syndrome. because both gbp and ethanol act on gaba ergic system, the purpose of this study was to evaluate their effec...

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