نتایج جستجو برای: conscious and non

تعداد نتایج: 17009447  

2017
Tom St Quinton

Non-conscious processes are important in influencing the performance of a number of behaviors, such as physical activity. One way that such processes can be influenced is through priming. Despite this, approaches within health psychology have predominantly focused on reflective processes with a number of psychological theories dedicated to identifying the predictors of intention. In doing so, c...

2011
Susan Pockett

The electromagnetic field theory of consciousness proposes that conscious experiences are identical with certain electromagnetic patterns generated by the brain. While the theory has always acknowledged that not all of the electromagnetic patterns generated by brain activity are conscious, until now it has not been able to specify what might distinguish conscious patterns from non-conscious pat...

Journal: :Journal of visualized experiments : JoVE 2016
Vincent S C Chien Arthur C Tsai Han Hsuan Yang Yi-Li Tseng Alexander N Savostyanov Michelle Liou

Several neuroimaging studies have suggested that the low spatial frequency content in an emotional face mainly activates the amygdala, pulvinar, and superior colliculus especially with fearful faces(1-3). These regions constitute the limbic structure in non-conscious perception of emotions and modulate cortical activity either directly or indirectly(2). In contrast, the conscious representation...

Journal: :Cerebral cortex 2017
Fredrik Bergström Johan Eriksson

Recent studies have found that non-consciously perceived information can be retained for several seconds, a feat that has been attributed to non-conscious working memory processes. However, these studies have mainly relied on subjective measures of visual experience, and the neural processes responsible for non-conscious short-term retention remains unclear. Here we used continuous flash suppre...

Journal: :Neuroreport 2006
Beatrice de Gelder Nouchine Hadjikhani

Patients with cortical blindness can reliably perceive some facial expressions even if they are unaware of their percept. We examined whether emotional body language may also be recognized in the absence of the primary visual cortex and without conscious stimulus perception. We presented emotional and neutral body images in the blind field of a patient with unilateral striate cortex damage. Usi...

2012
Tzu-Keng Fu

This paper addresses questions of the transition related to conscious processes and unconscious processes, namely aims to substantiating a primary framework to the following open question: The vast majority of brain activity is non-conscious. What is the criterion to distinguish the non-conscious activities from conscious ones? To support our answers in a principled way, we present a general fr...

2015
Valdas Noreika Wolf Singer

An attempt is made to distinguish between brain states required to support consciousness and the neuronal underpinnings of conscious versus non-conscious processing in an awake, attentive brain, respectively. It is argued that brain states supporting consciousness are characterised by high dimensional dynamics exhibiting a high degree of complexity, implying that conscious states are graded. Di...

2012
Verena Willenbockel Franco Lepore Dang Khoa Nguyen Alain Bouthillier Frédéric Gosselin

Previous studies have shown that complex visual stimuli, such as emotional facial expressions, can influence brain activity independently of the observers' awareness. Little is known yet, however, about the "informational correlates" of consciousness - i.e., which low-level information correlates with brain activation during conscious vs. non-conscious perception. Here, we investigated this que...

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