The time course of selective visual attention: theory and experiments
... maps and spotlight mechanisms required? A second interesting question is to determine the characteristics of top-down aided competition in feature space. It should be clarified whether this competition is achieved independently in each feature dimension or whether it occurs after binding the feature ...
... maps and spotlight mechanisms required? A second interesting question is to determine the characteristics of top-down aided competition in feature space. It should be clarified whether this competition is achieved independently in each feature dimension or whether it occurs after binding the feature ...
2 Brain and Classical Neural Networks
... after it fired, of about 1–2 ms, independently of how large the amplitude of the depolarizing potential would be. This period is called the absolute refractory period of the neuron. Clearly, it sets an upper bound on the spike frequency of 500–1000/s. In the types of neurons that we will be intereste ...
... after it fired, of about 1–2 ms, independently of how large the amplitude of the depolarizing potential would be. This period is called the absolute refractory period of the neuron. Clearly, it sets an upper bound on the spike frequency of 500–1000/s. In the types of neurons that we will be intereste ...
Supplement: Modulation of Intracortical Synaptic Potentials by
... transmission does not require the generation of action potentials, but rather operates through tonic synaptic vesicle release, the rate of which is modified by changes in the membrane potential of the presynaptic terminal (for review see5,6,8,9,12). Graded transmission is found at specific synaptic ...
... transmission does not require the generation of action potentials, but rather operates through tonic synaptic vesicle release, the rate of which is modified by changes in the membrane potential of the presynaptic terminal (for review see5,6,8,9,12). Graded transmission is found at specific synaptic ...
EUGENE GARFIELD
... 1976, authored three books (with nearly 7(M3 scientific works referencing them) on aspects of neural scienee and neurobiology. Since 1968, when his first review article was published, Kandel’s reviews have had a significant intluenee on the field of neurobiology. (Table 1 is a list of his most-cited ...
... 1976, authored three books (with nearly 7(M3 scientific works referencing them) on aspects of neural scienee and neurobiology. Since 1968, when his first review article was published, Kandel’s reviews have had a significant intluenee on the field of neurobiology. (Table 1 is a list of his most-cited ...
Supplement to: Modulation of Intracortical Synaptic Potentials by
... transmission does not require the generation of action potentials, but rather operates through tonic synaptic vesicle release, the rate of which is modified by changes in the membrane potential of the presynaptic terminal (for review see5,6,8,9,12). Graded transmission is found at specific synaptic ...
... transmission does not require the generation of action potentials, but rather operates through tonic synaptic vesicle release, the rate of which is modified by changes in the membrane potential of the presynaptic terminal (for review see5,6,8,9,12). Graded transmission is found at specific synaptic ...
A Neuroscientific Approach to Emotion System for Intelligent Agents.
... pleasant touch; and frustration or anger could be produced by the termination of rewards such as the death of a loved one. As shown in these examples, the human emotional processing is involved in the occurrence, termination, or omission of the rewards (or punishers). The affective states are classi ...
... pleasant touch; and frustration or anger could be produced by the termination of rewards such as the death of a loved one. As shown in these examples, the human emotional processing is involved in the occurrence, termination, or omission of the rewards (or punishers). The affective states are classi ...
Joseph and Heberlein 1 Tissue-specific Activation of a
... response is aversion or attraction? Are there central brain regions involved in choosing the response that is most appropriate? To begin addressing these questions, we selectively inactivated either specific sensory neurons or central brain regions and analyzed responses to lobeline using a two-choi ...
... response is aversion or attraction? Are there central brain regions involved in choosing the response that is most appropriate? To begin addressing these questions, we selectively inactivated either specific sensory neurons or central brain regions and analyzed responses to lobeline using a two-choi ...
Document
... General Functions of the Nervous System A. Sensory receptors at the ends of peripheral nerves gather information and convert it into nerve impulses. B. Sensory impulses are integrated in the brain as perceptions C. Conscious or subconscious decisions follow, leading to motor functions via effectors ...
... General Functions of the Nervous System A. Sensory receptors at the ends of peripheral nerves gather information and convert it into nerve impulses. B. Sensory impulses are integrated in the brain as perceptions C. Conscious or subconscious decisions follow, leading to motor functions via effectors ...
Morris_2007_Macrosto..
... to represent the most primitive animals with a true central nervous system (Bullock and Horridge 1965; Hanstroem 1968). Morphological studies at the light and electron microscopic level have concluded that all flatworms exhibit a number of plesiomorphic characters, which could be directly inherited ...
... to represent the most primitive animals with a true central nervous system (Bullock and Horridge 1965; Hanstroem 1968). Morphological studies at the light and electron microscopic level have concluded that all flatworms exhibit a number of plesiomorphic characters, which could be directly inherited ...
Nervous system
... Return to Resting Potential • Sodium-potassium pump restores original configuration – Requires ATP ...
... Return to Resting Potential • Sodium-potassium pump restores original configuration – Requires ATP ...
Full Article - CIHR Research Group in Sensory
... trials for both monkeys and is consistent with a bottom-up (i.e. involuntary) bias. When the delay was increased to 650 ms, one monkey continued to show faster responses to the Invalid location whereas the other monkey showed faster responses to the Valid location, consistent with a top-down (i.e. v ...
... trials for both monkeys and is consistent with a bottom-up (i.e. involuntary) bias. When the delay was increased to 650 ms, one monkey continued to show faster responses to the Invalid location whereas the other monkey showed faster responses to the Valid location, consistent with a top-down (i.e. v ...
Intra-arterial Cell Transplantation Provides Timing
... intravenous delivery, indicating that secretion of trophic factors from stem cells outside the brain contribute to the recovery.8,18,19,21 The debate over the best form of delivery, intra-arterial or intravenous, is still complicated and ongoing. However, it is clear that intra-arterial cell transpl ...
... intravenous delivery, indicating that secretion of trophic factors from stem cells outside the brain contribute to the recovery.8,18,19,21 The debate over the best form of delivery, intra-arterial or intravenous, is still complicated and ongoing. However, it is clear that intra-arterial cell transpl ...
The Nervous System: Neural Tissue
... Resting Potential • Sodium ions are in large concentration along the outside of the cell membrane • Potassium ions are in large concentration along the inside of the cell membrane ...
... Resting Potential • Sodium ions are in large concentration along the outside of the cell membrane • Potassium ions are in large concentration along the inside of the cell membrane ...
Y.I. Molkov, Baroreflex models, Encyclopedia of Computational
... may be another baroreflex pathway mediated by the respiratory neurons. Baekey et al. (2010) have demonstrated that transient pressure pulses perturb the respiratory pattern in a phase-dependent manner, and those perturbations strongly depend on the integrity of the pons. The stimuli were delivered d ...
... may be another baroreflex pathway mediated by the respiratory neurons. Baekey et al. (2010) have demonstrated that transient pressure pulses perturb the respiratory pattern in a phase-dependent manner, and those perturbations strongly depend on the integrity of the pons. The stimuli were delivered d ...
Hasselmo M.E. (2007) Arc length coding by interference of
... versus the other (left versus right). Figure 2A shows examples of two of these neurons (Cell r3-d4tt6-cl1 and Cell r2-d1-tt2-cl4 from Figure 1 in the article by Lee et al., 2006). The firing rate of the neuron in the stem is shown next to each trace. The simulation presented here effectively replica ...
... versus the other (left versus right). Figure 2A shows examples of two of these neurons (Cell r3-d4tt6-cl1 and Cell r2-d1-tt2-cl4 from Figure 1 in the article by Lee et al., 2006). The firing rate of the neuron in the stem is shown next to each trace. The simulation presented here effectively replica ...
ROLE OF EARLY ACOUSTIC EXPERIENCE IN DEVELOPMENT OF THE RAT by
... deprivation impedes normal neocortical hardwiring, resulting in maintenance of heightened plasticity levels in the cortical region responsible for processing the sensory stimuli. In some cases, chronic sensory deprivation, such as that caused by congenital blindness or deafness, can result in the ad ...
... deprivation impedes normal neocortical hardwiring, resulting in maintenance of heightened plasticity levels in the cortical region responsible for processing the sensory stimuli. In some cases, chronic sensory deprivation, such as that caused by congenital blindness or deafness, can result in the ad ...
PDF
... al., 1980a; Wright and Ryugo, 1996). These large endings were named in the cochlear nucleus due to their similarity to the mossy fiber rosettes of the cerebellum. Mossy fibers are often surrounded by granule cell claws, the distal tips of granule cell dendrites. In cross section (Fig. 3B), these cla ...
... al., 1980a; Wright and Ryugo, 1996). These large endings were named in the cochlear nucleus due to their similarity to the mossy fiber rosettes of the cerebellum. Mossy fibers are often surrounded by granule cell claws, the distal tips of granule cell dendrites. In cross section (Fig. 3B), these cla ...
Effects of excess vitamin B6 intake on cerebral cortex neurons in rat
... Abstract: The aim of this study was to investigate whether excess of vitamin B6 leads to ultrastructural changes in cerebral cortex of forty-eight healthy albino rats which were included in the study. Saline solution was injected to to the control groups (CG-10, n=12 for 10 days; CG-15, n=12 for 15 ...
... Abstract: The aim of this study was to investigate whether excess of vitamin B6 leads to ultrastructural changes in cerebral cortex of forty-eight healthy albino rats which were included in the study. Saline solution was injected to to the control groups (CG-10, n=12 for 10 days; CG-15, n=12 for 15 ...
Acceleration of visually cued conditioned fear through the
... role of inputs is inferred from the resulting loss of function. An alternative experimental approach to investigating the functional contribution of inputs involves gain of function, in which an existing structure is driven by novel inputs and acquires a new or enhanced role. Experiments in rewired ...
... role of inputs is inferred from the resulting loss of function. An alternative experimental approach to investigating the functional contribution of inputs involves gain of function, in which an existing structure is driven by novel inputs and acquires a new or enhanced role. Experiments in rewired ...
The Familial Dysautonomia disease gene, Ikbkap/Elp1, is required
... ventricles relative to the hemisphere area (Table 2). In addition, in the CKO brain the corpus callosum and the lateral amygdaloid nucleus in the CKO brain were significantly reduced, while the hippocampus was relatively enlarged with respect to the reduced hemisphere (Table 2), which we attribute ...
... ventricles relative to the hemisphere area (Table 2). In addition, in the CKO brain the corpus callosum and the lateral amygdaloid nucleus in the CKO brain were significantly reduced, while the hippocampus was relatively enlarged with respect to the reduced hemisphere (Table 2), which we attribute ...
Cortical representations of olfactory input by trans
... cells and glomeruli from amygdala starter cells were broadly distributed in the olfactory bulb. However, the labelled glomeruli were enriched in the dorsal olfactory bulb (Fig. 3c). For quantification, we compared the mean experimental h9OB for each injection with mean h9OB values produced by comput ...
... cells and glomeruli from amygdala starter cells were broadly distributed in the olfactory bulb. However, the labelled glomeruli were enriched in the dorsal olfactory bulb (Fig. 3c). For quantification, we compared the mean experimental h9OB for each injection with mean h9OB values produced by comput ...
Neuronal Processing of Chemical Information in Crustaceans Chapter 7
... detection and ingestion; only very little is known in other behavioral contexts, such as predator avoidance, orientation in the habitat, interactions with symbiotic partners, or intraspecific communication by pheromones. From recent behavioral and neuroanatomical studies, two important concepts abou ...
... detection and ingestion; only very little is known in other behavioral contexts, such as predator avoidance, orientation in the habitat, interactions with symbiotic partners, or intraspecific communication by pheromones. From recent behavioral and neuroanatomical studies, two important concepts abou ...
07. Pons Internal Features 0102010-10-01 05:141.9
... • Chief or Principal nucleus: • Located at the rostral end of the spinal trigeminal nucleus • Receives fibers for touch, especially discriminative touch. ...
... • Chief or Principal nucleus: • Located at the rostral end of the spinal trigeminal nucleus • Receives fibers for touch, especially discriminative touch. ...
Form representation in monkey inferotemporal cortex is virtually
... Two monkeys performed a form-recognition task. They were required to make a different response (saccade) for each of four target stimuli (Fig. 1). The targets were designed so that they could be discriminated only using the central retina (that is, within 2–3 degrees eccentricity). The recognition t ...
... Two monkeys performed a form-recognition task. They were required to make a different response (saccade) for each of four target stimuli (Fig. 1). The targets were designed so that they could be discriminated only using the central retina (that is, within 2–3 degrees eccentricity). The recognition t ...
Document
... clustered at the tip of the spiny anteater’s snout. The researchers made this discovery by exposing small areas of (5) the snout to extremely weak electrical fields and recording the transmission of resulting nervous activity to the brain. While it is true that tactile receptors, another kind of sen ...
... clustered at the tip of the spiny anteater’s snout. The researchers made this discovery by exposing small areas of (5) the snout to extremely weak electrical fields and recording the transmission of resulting nervous activity to the brain. While it is true that tactile receptors, another kind of sen ...