Interactions between Motivation, Emotion and Attention: From
... with repeated presentation to allow a larger set of cells in cortex to be tuned to the specific properties of the stimulus. This effect is enhanced if the presentation is combined with an emotional reaction. Weinberger (1995) has shown that the cortical area representing a stimulus increases in size ...
... with repeated presentation to allow a larger set of cells in cortex to be tuned to the specific properties of the stimulus. This effect is enhanced if the presentation is combined with an emotional reaction. Weinberger (1995) has shown that the cortical area representing a stimulus increases in size ...
Interactions between Motivation, Emotion and Attention: From
... with repeated presentation to allow a larger set of cells in cortex to be tuned to the specific properties of the stimulus. This effect is enhanced if the presentation is combined with an emotional reaction. Weinberger (1995) has shown that the cortical area representing a stimulus increases in size ...
... with repeated presentation to allow a larger set of cells in cortex to be tuned to the specific properties of the stimulus. This effect is enhanced if the presentation is combined with an emotional reaction. Weinberger (1995) has shown that the cortical area representing a stimulus increases in size ...
Williams Syndrome Neuronal Size and Neuronal-Packing Density in Primary Visual Cortex
... of the magnocellular system, and would be more striking in the right hemisphere. The anterior calcarine cortex was sampled and, in fact, the findings were nearly the opposite. Specifically, although the peripheral visual cortex was found to be abnormal in WMS-affected brains, parvocellular sublayers ...
... of the magnocellular system, and would be more striking in the right hemisphere. The anterior calcarine cortex was sampled and, in fact, the findings were nearly the opposite. Specifically, although the peripheral visual cortex was found to be abnormal in WMS-affected brains, parvocellular sublayers ...
Chapter 5 Learning to attend in primary visual cortex
... task by selecting the icon closest to the fixation point at two of the difficulty levels. Either curve could be target or distractor at each of the three difficulty levels so that there were a total of six stimuli that were randomly interleaved. ...
... task by selecting the icon closest to the fixation point at two of the difficulty levels. Either curve could be target or distractor at each of the three difficulty levels so that there were a total of six stimuli that were randomly interleaved. ...
Neural correlates of decision processes
... elements of such circuits are not influenced by cognitive factors [36]. Thus, when approaching the final common pathway, neural activity is only involved in producing movements and has nothing to do with the context in which those movements are expressed. Second, a series of studies has investigated ...
... elements of such circuits are not influenced by cognitive factors [36]. Thus, when approaching the final common pathway, neural activity is only involved in producing movements and has nothing to do with the context in which those movements are expressed. Second, a series of studies has investigated ...
Diencephalon - People Server at UNCW
... sia&www_google_domain=www.google.com&hl=en&emb=0&aq =4&oq=ramachandran#q=ramachandran+imposter&hl=en&emb ...
... sia&www_google_domain=www.google.com&hl=en&emb=0&aq =4&oq=ramachandran#q=ramachandran+imposter&hl=en&emb ...
Sauve CVE 2015 - Calgary Vision Event
... optokinetic reflex (e.g. subject motionless, visual field moves.... nystagmus; e.g. watching scenery from car. Optokinetic reflex dominates eye stabilization in slow head movements (e.g. up to 1 Hz); VOR dominates as head acceleration becomes more rapid ( >1 Hz). post-rotatory nystagmus: vestibular ...
... optokinetic reflex (e.g. subject motionless, visual field moves.... nystagmus; e.g. watching scenery from car. Optokinetic reflex dominates eye stabilization in slow head movements (e.g. up to 1 Hz); VOR dominates as head acceleration becomes more rapid ( >1 Hz). post-rotatory nystagmus: vestibular ...
download file
... The potential relationship between the type of representation of objects (e.g. viewer-centered) and how the organism may interact with those objects was further examined by reference to neurons in the STS which are selective for the sight of particular reaching actions (e.g. Perrett et al., 1989). I ...
... The potential relationship between the type of representation of objects (e.g. viewer-centered) and how the organism may interact with those objects was further examined by reference to neurons in the STS which are selective for the sight of particular reaching actions (e.g. Perrett et al., 1989). I ...
Attention induces synchronization-based response gain in steady
... responses even if the firing rate of individual neurons is saturated because of high contrast. Hypothetically, if attention induced contrast gain in individual neurons, while also inducing multiplicative response (or activity) gain in terms of increased phase locking of population activity to stimul ...
... responses even if the firing rate of individual neurons is saturated because of high contrast. Hypothetically, if attention induced contrast gain in individual neurons, while also inducing multiplicative response (or activity) gain in terms of increased phase locking of population activity to stimul ...
5. Discussion - UvA-DARE - University of Amsterdam
... the spatial selectivity of inhibition is affected by anesthesia (Adesnik et al., 2012; Haider et al., 2012). Alternatively, the increased mesoscopic spatial selectivity could arise from selective potentiation of lateral excitatory connectivity. Neurons could preferentially strengthen connectivity wi ...
... the spatial selectivity of inhibition is affected by anesthesia (Adesnik et al., 2012; Haider et al., 2012). Alternatively, the increased mesoscopic spatial selectivity could arise from selective potentiation of lateral excitatory connectivity. Neurons could preferentially strengthen connectivity wi ...
Nature Medicine Interview
... My research was focused initially on the role of the basal ganglia in the control of movement and later on the pathophysiology of PD and chorea, a form of involuntary movement which may occur following damage to portions the basal ganglia. Our basic studies provided the understanding of the networks ...
... My research was focused initially on the role of the basal ganglia in the control of movement and later on the pathophysiology of PD and chorea, a form of involuntary movement which may occur following damage to portions the basal ganglia. Our basic studies provided the understanding of the networks ...
On the importance of the transient visual response in the superior
... is dependent on factors influencing the physical distinctiveness (salience) of the stimulus such as contrast, with the transient visual response to brighter stimuli being greater in magnitude and occurring earlier in time [10,21]. The signal is not particularly selective, however, for visual feature ...
... is dependent on factors influencing the physical distinctiveness (salience) of the stimulus such as contrast, with the transient visual response to brighter stimuli being greater in magnitude and occurring earlier in time [10,21]. The signal is not particularly selective, however, for visual feature ...
Occipital Lobe
... other fast moving lights. Scientists are trying to find out the cause of epilepsy by studying the Occipital Lobe. They are also trying to find out how to better treat those with epilepsy. ...
... other fast moving lights. Scientists are trying to find out the cause of epilepsy by studying the Occipital Lobe. They are also trying to find out how to better treat those with epilepsy. ...
FUNCTIONAL COGNITIVE NETWORKS IN PRIMATES
... significance, and retaining a memory trace of the scent in its context. The actual structural basis for parallel distributed processing may initially have developed in the olfactory system to serve this function, with glutamate neurons playing the central role in making decisions about approach resp ...
... significance, and retaining a memory trace of the scent in its context. The actual structural basis for parallel distributed processing may initially have developed in the olfactory system to serve this function, with glutamate neurons playing the central role in making decisions about approach resp ...
T2 - Center for Neural Basis of Cognition
... Remapping in humans produces activity in the hemisphere ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual co ...
... Remapping in humans produces activity in the hemisphere ipsilateral to the stimulus. Remapped activity is present in human parietal, extrastriate and striate cortex. Remapped visual signals are more prevalent at higher levels of the visual system hierarchy. Remapping occurs in parietal and visual co ...
Perceptual Expectation Evokes Category
... of the recognition process has been studied is with ambiguous images that gradually become disambiguated over several seconds. In the 1960s, Bruner and Potter (1964) found that when gradually reducing the blurriness of an image, the blurrier the image was when the sequence began, the longer it took ...
... of the recognition process has been studied is with ambiguous images that gradually become disambiguated over several seconds. In the 1960s, Bruner and Potter (1964) found that when gradually reducing the blurriness of an image, the blurrier the image was when the sequence began, the longer it took ...
Neuroimaging of cognitive functions in human parietal cortex Jody C
... preparation even before the target stimulus appears [23••,48••,49,51,52•]. Importantly, these baseline signals can be larger in SPL [23••] or IPS [48••,52•] than in other visual areas, suggesting that the parietal lobes may be a source of attentional control signals. Second, several studies have imp ...
... preparation even before the target stimulus appears [23••,48••,49,51,52•]. Importantly, these baseline signals can be larger in SPL [23••] or IPS [48••,52•] than in other visual areas, suggesting that the parietal lobes may be a source of attentional control signals. Second, several studies have imp ...
Nerve growth factor improves visual loss in childhood optic
... Preliminary evaluations suggested that 30 patients aged 525 years, with OPG, would be followed by the clinical centre. Based on a previous pilot study in five OPG patients (Falsini et al., 2011), this number was estimated to give a power of 80% at an alpha = 0.05 for detecting an average change diff ...
... Preliminary evaluations suggested that 30 patients aged 525 years, with OPG, would be followed by the clinical centre. Based on a previous pilot study in five OPG patients (Falsini et al., 2011), this number was estimated to give a power of 80% at an alpha = 0.05 for detecting an average change diff ...
phys chapter 51 [3-20
... detailed color of objects, and deciphering what object is and what it means Neuronal Patterns of Stimulation During Analysis of Visual Image Areas of max excitation occur along sharp borders of visual pattern; visual signal in primary visual cortex concerned mainly with contrasts in visual scene r ...
... detailed color of objects, and deciphering what object is and what it means Neuronal Patterns of Stimulation During Analysis of Visual Image Areas of max excitation occur along sharp borders of visual pattern; visual signal in primary visual cortex concerned mainly with contrasts in visual scene r ...
PDF file
... position-based and object-based) and recognition. Rather than the simulations of fMRI data, the engineering performance of recognition rate and attended spatial locations are presented in the experiment. However, the bottom-up featurebased attention was missing in the network, and limited complexity ...
... position-based and object-based) and recognition. Rather than the simulations of fMRI data, the engineering performance of recognition rate and attended spatial locations are presented in the experiment. However, the bottom-up featurebased attention was missing in the network, and limited complexity ...
3680Lecture27
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
Toward a Unified Theory of Visual Area V4
... neuronal firing to relevant stimuli in V4 and suppresses responses to distractor stimuli. However, the relationship between V4’s contribution to attentional processes and its role in object recognition processing is unclear. What is the unifying role of V4 across these multiple feature response dimen ...
... neuronal firing to relevant stimuli in V4 and suppresses responses to distractor stimuli. However, the relationship between V4’s contribution to attentional processes and its role in object recognition processing is unclear. What is the unifying role of V4 across these multiple feature response dimen ...
Cerebral Glucose Metabolism in Obsessive
... episodic memory, emotional processing, and spatial orientation. ...
... episodic memory, emotional processing, and spatial orientation. ...
Slide 1
... the proposed visual, somatosensory, auditory, and motor areas. Visual areas include the primary (V1) and secondary (V2) areas, common to most mammals, but with the modular subdivisions (blobs in V1; bands in V2) characteristic of primates. As in other primates, galagos have a third visual area (V3), ...
... the proposed visual, somatosensory, auditory, and motor areas. Visual areas include the primary (V1) and secondary (V2) areas, common to most mammals, but with the modular subdivisions (blobs in V1; bands in V2) characteristic of primates. As in other primates, galagos have a third visual area (V3), ...
Responses to Rare Visual Target and Distractor Stimuli Using Event
... 1997; Knight and Nakada 1998). This suggests that some portion of the neural activity evoked by these stimuli is not observed using fMRI. In a previous study (Clark et al. 1998), we introduced a method for performing event-related fMRI using multiple regression, which has shown greater sensitivity t ...
... 1997; Knight and Nakada 1998). This suggests that some portion of the neural activity evoked by these stimuli is not observed using fMRI. In a previous study (Clark et al. 1998), we introduced a method for performing event-related fMRI using multiple regression, which has shown greater sensitivity t ...