Hayrunnisa Bolay, Turkey
... dependent on full conscious experience as highly vulnerable to anesthetics. Blockade of TRN activation by valproate, triptans and CGRP antagonists implicated its relation to nociception. CSD selectively activated visual sector of TRN, though other six TRN sectors of auditory, gustatory, visceral, so ...
... dependent on full conscious experience as highly vulnerable to anesthetics. Blockade of TRN activation by valproate, triptans and CGRP antagonists implicated its relation to nociception. CSD selectively activated visual sector of TRN, though other six TRN sectors of auditory, gustatory, visceral, so ...
Warren S. McCulloch: Why the Mind Is in the Head
... of circles can realize any proposition which is a logical consequence of its input. As this is the most that any net can do it is obviously an adequate theory. We know, of course, that facilitation and extinction occur, and we showed that whatever these can effect can be done digitally, or discretel ...
... of circles can realize any proposition which is a logical consequence of its input. As this is the most that any net can do it is obviously an adequate theory. We know, of course, that facilitation and extinction occur, and we showed that whatever these can effect can be done digitally, or discretel ...
Some Analogies Between Visual Cortical and Genetic Maps
... One of the central ideas of modern genetics is that a particular gene contains the instructions to make a particular protein that has a specific function. One example is the system of genes for photoreceptor proteins. Recently, Nathans et aj30 have mapped the DNA sequences of the genes for the rod a ...
... One of the central ideas of modern genetics is that a particular gene contains the instructions to make a particular protein that has a specific function. One example is the system of genes for photoreceptor proteins. Recently, Nathans et aj30 have mapped the DNA sequences of the genes for the rod a ...
PDF file
... for an interactive integration of top-down attention (both 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 a ...
... for an interactive integration of top-down attention (both 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 a ...
Finding a face in the crowd: parallel and serial neural mechanisms
... to synchronize their activity, reaching maximal synchronization when a stimulus with that feature falls within their RF (e.g., when the animal is searching for red, the neurons prefer red, and a red stimulus falls within the RF). The results described so far show that neurons gave enhanced responses ...
... to synchronize their activity, reaching maximal synchronization when a stimulus with that feature falls within their RF (e.g., when the animal is searching for red, the neurons prefer red, and a red stimulus falls within the RF). The results described so far show that neurons gave enhanced responses ...
Binding Mechanisms in Visual Perception
... their chemical transmitter releasing based on light frequency and intensity, which causes subsequent cellular electrical activity change of the following bipolar cells, ganglion cells, and more complex visual neurons in the visual system (McIlwain 1996). How does neural signals enable the visual sys ...
... their chemical transmitter releasing based on light frequency and intensity, which causes subsequent cellular electrical activity change of the following bipolar cells, ganglion cells, and more complex visual neurons in the visual system (McIlwain 1996). How does neural signals enable the visual sys ...
Complexity in Neuronal Networks
... years, until relatively recently most workers studying large cell assemblies in the vertebrate brain, both experimentalists and theoreticians, have continued to assume that circuit dynamics depend exclusively on synaptic connectivity and synaptic strength. This view has changed in the last five year ...
... years, until relatively recently most workers studying large cell assemblies in the vertebrate brain, both experimentalists and theoreticians, have continued to assume that circuit dynamics depend exclusively on synaptic connectivity and synaptic strength. This view has changed in the last five year ...
Language processing – role of inferior parietal lobule
... it, when producing it but also when reading it because their ability to „sound out“ words has been compromised. Semantic properties The angular gyrus is anatomically connected almost exclusively with other association regions and receives little to no direct input from primary sensory areas. Cytoarc ...
... it, when producing it but also when reading it because their ability to „sound out“ words has been compromised. Semantic properties The angular gyrus is anatomically connected almost exclusively with other association regions and receives little to no direct input from primary sensory areas. Cytoarc ...
Neuronal activity in dorsomedial frontal cortex and prefrontal cortex
... and PF was affected by stimulus location, even when that stimulus dimension was behaviorally irrelevant. Previous studies of both PF (Rainer et al. 1998; Rao et al. 1997; White and Wise 1999) and DMF (Olson et al. 2000; White and Wise 1999) have shown that stimulus location influences neuronal activ ...
... and PF was affected by stimulus location, even when that stimulus dimension was behaviorally irrelevant. Previous studies of both PF (Rainer et al. 1998; Rao et al. 1997; White and Wise 1999) and DMF (Olson et al. 2000; White and Wise 1999) have shown that stimulus location influences neuronal activ ...
MirrorBot Report 6
... to be used as a framework of development and assessment for our models. The protocols and characteristics defined in the scenario will have an influence on the sensorimotor representation we will need to define. This point will be discussed below. Another point linked to the technological constrain ...
... to be used as a framework of development and assessment for our models. The protocols and characteristics defined in the scenario will have an influence on the sensorimotor representation we will need to define. This point will be discussed below. Another point linked to the technological constrain ...
cortico-cortical feedback controls spatial summation in
... Our visual perception of the external world relies on neural activity across a hierarchy of visual cortical areas, communicating via complex feedforward-feedback pathways. While feedforward pathways have been a focus of study, the role of the feedback pathway has remained poorly understood. Here we ...
... Our visual perception of the external world relies on neural activity across a hierarchy of visual cortical areas, communicating via complex feedforward-feedback pathways. While feedforward pathways have been a focus of study, the role of the feedback pathway has remained poorly understood. Here we ...
Artificial neural network
... accurate hardware for describing the brain (even though it is possible to describe a logical process as a computer program or to simulate a brain using a computer) as they do not posses the parallel processing architectures that have been described in the brain. Even when speaking of multiprocessor ...
... accurate hardware for describing the brain (even though it is possible to describe a logical process as a computer program or to simulate a brain using a computer) as they do not posses the parallel processing architectures that have been described in the brain. Even when speaking of multiprocessor ...
Meta analysis
... Neuronavigation surgery in China: reality and prospects WU Jin-song, LU Jun-feng, GONG Xiu, MAO Ying and ZHOU Liang-fu Keywords: neurosurgery; neuronavigation; medical image Objective To review the history, development, and reality of neuronavigation surgery in China and to discuss the future of neu ...
... Neuronavigation surgery in China: reality and prospects WU Jin-song, LU Jun-feng, GONG Xiu, MAO Ying and ZHOU Liang-fu Keywords: neurosurgery; neuronavigation; medical image Objective To review the history, development, and reality of neuronavigation surgery in China and to discuss the future of neu ...
PRENATAL AND EARLY POSTNATAL ONTOGENESIS OF THE
... pericellular baskets, indicates that they are oriented in the cortex in a particular plane. These cortical basket cells can completely be demonstrated in sections cut in a vertical plane transverse to the precentral gyrus. Thus, the human motor cortex has within its predominantly horizontal pattern ...
... pericellular baskets, indicates that they are oriented in the cortex in a particular plane. These cortical basket cells can completely be demonstrated in sections cut in a vertical plane transverse to the precentral gyrus. Thus, the human motor cortex has within its predominantly horizontal pattern ...
neural mechanisms for detecting and remembering novel events
... revealed in early visual areas by two perceptual learning studies26,27. Monkeys were trained on a task that involved repeated presentation (and discrimination) of gratings of a particular orientation in one part of the visual field. After many months of training, the monkeys’ perceptual ability to d ...
... revealed in early visual areas by two perceptual learning studies26,27. Monkeys were trained on a task that involved repeated presentation (and discrimination) of gratings of a particular orientation in one part of the visual field. After many months of training, the monkeys’ perceptual ability to d ...
Di (n)-Butyl Phthalate Induced Neuronal Perturbations in Rat Brain
... mammals over the generations. While DBP found to be environmental endocrine disruptor (EED) acts as estrogenic or anti-androgenic which impedes the generation of gonadal hormones found essential for the development of CNS during the critical period of development [16]. Markey et al. (2003) [17] find ...
... mammals over the generations. While DBP found to be environmental endocrine disruptor (EED) acts as estrogenic or anti-androgenic which impedes the generation of gonadal hormones found essential for the development of CNS during the critical period of development [16]. Markey et al. (2003) [17] find ...
Developmental mechanics of the primate cerebral cortex
... arrangement of cortical regions through the minimization of the axonal tension of interlinking fibers would lead to a reduction of cortical wire and volume (Van Essen 1997). Since the exact development, spatial layout, and density of long-range projections in the primate brain are still not well deli ...
... arrangement of cortical regions through the minimization of the axonal tension of interlinking fibers would lead to a reduction of cortical wire and volume (Van Essen 1997). Since the exact development, spatial layout, and density of long-range projections in the primate brain are still not well deli ...
Transsylvian and Transinsular Approach
... produce no extrapyramidal disorders, but pyramidal and occasionally sensory disturbances occur (1). Damage to the dominant cerebral hemisphere may be added, besides language problems. However, to date, these patients with hemiparesis or capsular hemiplegia only receive physiotherapy. Recent clinical ...
... produce no extrapyramidal disorders, but pyramidal and occasionally sensory disturbances occur (1). Damage to the dominant cerebral hemisphere may be added, besides language problems. However, to date, these patients with hemiparesis or capsular hemiplegia only receive physiotherapy. Recent clinical ...
Analogues of simple and complex cells in rhesus monkey auditory
... that respond either to the onset or the offset of a small spot of light; complex cells, by contrast, respond with mixed ON and OFF responses throughout their RF. In addition, simple cells show spatial summation within each of their subregions. In both auditory and somatosensory cortex, inhibitory su ...
... that respond either to the onset or the offset of a small spot of light; complex cells, by contrast, respond with mixed ON and OFF responses throughout their RF. In addition, simple cells show spatial summation within each of their subregions. In both auditory and somatosensory cortex, inhibitory su ...
Neural Networks
... The brain mostly consists NOT of neurons, there are about 10-50 times more glia (greek: “glue”) cells in the central nervous tissue of vertebrates. The function of glia is not understood in full detail, but their active role in signal transduction in the brain is probably small. Electrical and chemi ...
... The brain mostly consists NOT of neurons, there are about 10-50 times more glia (greek: “glue”) cells in the central nervous tissue of vertebrates. The function of glia is not understood in full detail, but their active role in signal transduction in the brain is probably small. Electrical and chemi ...
“Parcelation of the White Matter Using DTI: Insights into the
... Coronal Radiation and Corticospinal Tracts (CS): the coronal radiation is not a specific tract per se, however, is one of the most easily identified structures on directional DTI color maps due to its coronally directed fibers that give him a distinct color (blue) from the adjacent tracts, which are ...
... Coronal Radiation and Corticospinal Tracts (CS): the coronal radiation is not a specific tract per se, however, is one of the most easily identified structures on directional DTI color maps due to its coronally directed fibers that give him a distinct color (blue) from the adjacent tracts, which are ...
Horizontal Interactions in Cat Striate Cortex: 1. Anatomical Substrate
... independently of visual experience, and that the selectivity of interactions results from pruning of initially exuberant connections. It is suggested that this pruning process is dependent on activity and influenced by visual experience. ...
... independently of visual experience, and that the selectivity of interactions results from pruning of initially exuberant connections. It is suggested that this pruning process is dependent on activity and influenced by visual experience. ...
Cortical Connections
... 4. Ventromedial medulla on the right side 5. Ventromedial medulla on the left side ...
... 4. Ventromedial medulla on the right side 5. Ventromedial medulla on the left side ...
T2 - Center for Neural Basis of Cognition
... Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active process of building representations. ...
... Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active process of building representations. ...
Perceptual Expectation Evokes Category
... Higher level visual priming of complex stimuli such as faces and houses has recently been shown to facilitate object recognition as well. For example, Puri and Wojciulik (2008) had participants discriminate between normal and distorted images of faces and houses. When they were told in advance to ex ...
... Higher level visual priming of complex stimuli such as faces and houses has recently been shown to facilitate object recognition as well. For example, Puri and Wojciulik (2008) had participants discriminate between normal and distorted images of faces and houses. When they were told in advance to ex ...
Cortical cooling
Neuroscientists generate various studies to help explain many of the complex connections and functions of the brain. Most studies utilize animal models that have varying degrees of comparison to the human brain; for example, small rodents are less comparable than non-human primates. One of the most definitive ways of determining which sections of the brain contribute to certain behavior or function is to deactivate a section of the brain and observe what behavior is altered. Investigators have a wide range of options for deactivating neural tissue, and one of the more recently developed methods being used is deactivation through cooling. Cortical cooling refers to the cooling methods restricted to the cerebral cortex, where most higher brain processes occur. Below is a list of current cooling methods, their advantages and limitations, and some studies that have used cooling to elucidate neural functions.