نتایج جستجو برای: regional rivalry

تعداد نتایج: 208806  

Journal: مدیریت شهری 2015
Ali Qasemi, Farhad Khodadad Kashi, Mohammad Hosein Poor Kazemi,

Competitiveness is divided into two broad categories named as macroeconomic and microeconomic competitiveness. Microeconomic competitiveness indicators have a direct impact on company productivity within which sate of cluster development is the most important pillar of microeconomic competitiveness that are introduced by Michael Porter and it's framework as Diamond Model. The Diamond reveals al...

Journal: :Vision Research 2001
Yuzhi Chen Nestor Matthews Ning Qian

In their classic study on motion repulsion, Marshak and Sekuler (Science 205 (1979) 1399) reported a repulsion of up to 10 degrees when two different directions of motion were presented dichoptically. However, subjects in that study did not experience binocular rivalry, presumably because of the brief presentation time. In the present study, we measured repulsion during binocular rivalry by req...

Journal: :Psychological science 2012
Jan W Brascamp Randolph Blake

Binocular rivalry refers to the unstable perceptual experience that arises when an observer views a different image with each eye: Each image reaches awareness in turn as the other becomes temporarily invisible. Using a novel experimental paradigm, we provide the first direct, perceptual evidence that binocular rivalry occurs only in the presence of attention. Observers in our experiment withdr...

Journal: :Neuron 2004
Thomas A. Carlson Sheng He

A longstanding debate in binocular rivalry literature is whether the perceptual competition in rivalry occurs at an early or late stage of visual processing. Central to this debate is the determination of the source of the competition. Overwhelming evidence exists that local interocular differences can lead to binocular rivalry, but it is not yet clear whether interocular conflicts at the globa...

Journal: :Vision Research 2006
Loes C.J. van Dam Raymond van Ee

We have investigated the role of saccades and fixation positions in two perceptual rivalry paradigms (slant rivalry and Necker cube) and in two binocular rivalry paradigms (grating and house-face rivalry), and we compared results obtained from two different voluntary control conditions (natural viewing and hold percept). We found that for binocular rivalry, rather than for perceptual rivalry, t...

1999
Paul R. Hensel

Recent research on interstate conflict and rivalry has shown that most conflict occurs between long-time rival countries, and has used enduring rivalries to test propositions on arms races, deterrence, and power transitions. Yet most of this research has focused on the dynamics of already-established rivalry; little is known about how adversaries become long-term rivals. The present effort atte...

Journal: :Vision Research 2013
Sangrae Kim Eunsam Shin Sang Chul Chong

Both crowding and binocular rivalry impair object perception, but their influence on object perception has so far only been investigated in separate fields. Three experiments investigated the joint influences of crowding and rivalry on object perception (orientation discrimination). Experiment 1 investigated how crowding and rivalry influence orientation discrimination together. Experiment 2 te...

2010
Joshua M. Lewis Adam S. Fouse

Binocular rivalry occurs when two distinct stimuli, one for each eye, are presented to corresponding retinal areas. Similar to other bistable phenomena such as Necker cubes, this overlap often causes one’s conscious perception to alternate between a coherent perception of one stimulus, a coherent perception of the other and sometimes a mixture of the two. Previous studies have tried to identify...

2011
Athena Buckthought Samuel Jessula Janine D. Mendola

The neural correlates of binocular rivalry have been actively debated in recent years, and are of considerable interest as they may shed light on mechanisms of conscious awareness. In a related phenomenon, monocular rivalry, a composite image is shown to both eyes. The subject experiences perceptual alternations in which the two stimulus components alternate in clarity or salience. The experien...

Journal: :Brain research 2009
Juliane C Wilcke Robert P O'Shea Richard Watts

To understand the brain areas associated with visual awareness and their anatomical interconnections, we studied binocular rivalry with functional magnetic resonance imaging (fMRI) and diffusion tensor imaging (DTI). Binocular rivalry occurs when one image is viewed by one eye and a different image by the other; it is experienced as perceptual alternations between the two images. Our first expe...

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