نتایج جستجو برای: regional rivalry

تعداد نتایج: 208806  

2016
Jocelyn L. Sy Andrew J. Tomarken Vaama Patel Randolph Blake

Binocular rivalry occurs when markedly different inputs to the two eyes initiate alternations in perceptual dominance between the two eyes' views. A link between individual differences in perceptual dynamics of rivalry and concentrations of GABA, a prominent inhibitory neurotransmitter in the brain, has highlighted binocular rivalry as a potential tool to investigate inhibitory processes in the...

Journal: :Vision Research 2004
Sang-Hun Lee Randolph Blake

During binocular rivalry, observers sometimes perceive one complete visual object even though component features of that perceptually dominant object are distributed between the two eyes and are in rivalry against other, dissimilar features. This interocular grouping cannot be explained by models of rivalry in which one eye or the other is completely dominant at any given moment. But perhaps gl...

Journal: :سیاست 0
حبیب الله کمالی

after the bolshevik revolution in 1917, he three transcaucasian republics (azerbaijan, armenia, georgia) were emerged.but because of the great powers' rivalry in transcaucasia, withholding of recognition of the republics by the allies in paris peace conference (1919), and the continuous conflicts between the republics themselves, the soviet :union: easily defeated the republics and annexed...

Journal: :مطالعات اوراسیای مرکزی 0
فرهاد دانش نیا دانشیار گروه علوم سیاسی دانشگاه رازی مهری مارابی دانش آموختۀ کارشناسی ارشد علوم سیاسی

the covert and clear rivalry of russia and us after the cold war era has continued by now. the countries that have independent forms of russia were one of the basic centers of rivalry between the two states. for us influence in the countries is in its great and long strategic interest that has tried to influence the nato. but at the other hand, the manner of us is known as a threat for russia a...

Journal: :Journal of vision 2015
Jan Freyberg Caroline E Robertson Simon Baron-Cohen

The dynamics of binocular rivalry may be a behavioral footprint of excitatory and inhibitory neural transmission in visual cortex. Given the presence of atypical visual features in Autism Spectrum Conditions (ASC), and the growing evidence in support of the idea of an imbalance in excitatory/inhibitory neural transmission in animal and genetic models of ASC, we hypothesized that binocular rival...

2011
Kevin Conrad Dieter Duje Tadin

Starting from early scientific explorations of binocular rivalry, researchers have wondered about the degree to which an observer can exert voluntary attentional control over rivalry dynamics. The answer to this question would not only reveal the extent to which we may determine our own conscious visual experience, but also advance our understanding of the neural mechanisms underlying binocular...

2017
Themelis Karaminis Claudia Lunghi Louise Neil David Burr Elizabeth Pellicano

When different images are presented to the eyes, the brain is faced with ambiguity, causing perceptual bistability: visual perception continuously alternates between the monocular images, a phenomenon called binocular rivalry. Many models of rivalry suggest that its temporal dynamics depend on mutual inhibition among neurons representing competing images. These models predict that rivalry shoul...

Journal: :Journal of vision 2002
Sang-Hun Lee Randolph Blake

During binocular rivalry, one of two incompatible monocular stimuli is erased from perceptual awareness for seconds at a time. To examine whether this "rivalry suppression" occurs in V1, we measured functional magnetic resonance imaging activity during binocular rivalry and compared it with those in the two reference conditions: one representing complete suppression and the other representing n...

Journal: :Journal of vision 2015
Surya Gayet Jan W Brascamp Stefan Van der Stigchel Chris L E Paffen

Only part of the visual information that impinges on our retinae reaches visual awareness. In a series of three experiments, we investigated how the task relevance of incoming visual information affects its access to visual awareness. On each trial, participants were instructed to memorize one of two presented hues, drawn from different color categories (e.g., red and green), for later recall. ...

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