Lecture 6: Stochastic models of channels, synapses
... Lecture 7: Stochastic models of channels, synapses References: Dayan & Abbott, Sects 5.7, 5.8 Gerstner & Kistler, Sect 2.4 C Koch, Biophysics of Computation Chs 4,8 (13) A Destexhe, Z Mainen & T J Sejnowski, Ch 1 in Methods in Neuronal Modeling, 2nd ed, C Koch and I Segev, eds (MIT Press) ...
... Lecture 7: Stochastic models of channels, synapses References: Dayan & Abbott, Sects 5.7, 5.8 Gerstner & Kistler, Sect 2.4 C Koch, Biophysics of Computation Chs 4,8 (13) A Destexhe, Z Mainen & T J Sejnowski, Ch 1 in Methods in Neuronal Modeling, 2nd ed, C Koch and I Segev, eds (MIT Press) ...
Electroencephalogram based Brain
... Abstract Electroencephalogram (EEG) signals are useful for diagnosing various mental conditions such as epilepsy, memory impairments and sleep disorders. Brain-Computer Interface (BCI) is a revolutionary new area using EEG that is most useful for the severely disabled individuals for hands-off devic ...
... Abstract Electroencephalogram (EEG) signals are useful for diagnosing various mental conditions such as epilepsy, memory impairments and sleep disorders. Brain-Computer Interface (BCI) is a revolutionary new area using EEG that is most useful for the severely disabled individuals for hands-off devic ...
Reference frames for representing the location of visual and tactile
... on the skin and vice versa). This approach can also explain related findings in other multimodal areas. ...
... on the skin and vice versa). This approach can also explain related findings in other multimodal areas. ...
BMC Neuroscience
... The primate cerebral cortex constitutes a vast communication network of ipsilateral and contralateral corticocortical connections. Although fewer in number, contralateral projection neurons, which course through the corpus callosum and the anterior commissure, have elaborate dendritic trees [1], and ...
... The primate cerebral cortex constitutes a vast communication network of ipsilateral and contralateral corticocortical connections. Although fewer in number, contralateral projection neurons, which course through the corpus callosum and the anterior commissure, have elaborate dendritic trees [1], and ...
MB_49_win
... • The signaling activity of the nervous system is made up of electrical activity within neurons and chemical flow between neurons. • Neurons communicate with each other at special junctions called synapses. • These synapses do not communicate by touch, but by releasing chemicals, or neurotransmitter ...
... • The signaling activity of the nervous system is made up of electrical activity within neurons and chemical flow between neurons. • Neurons communicate with each other at special junctions called synapses. • These synapses do not communicate by touch, but by releasing chemicals, or neurotransmitter ...
An Integrative Theory on Prefrontal Cortex Function
... analog of this task (Dias et al 1996b, 1997) and in others when they must switch between different rules (Rossi et al 1999). The Stroop task and WCST are variously described as tapping the cognitive functions of either selective attention, behavioral inhibition, working memory, or rule-based or goal ...
... analog of this task (Dias et al 1996b, 1997) and in others when they must switch between different rules (Rossi et al 1999). The Stroop task and WCST are variously described as tapping the cognitive functions of either selective attention, behavioral inhibition, working memory, or rule-based or goal ...
Anatomofunctional organization of the ventral primary motor and
... We first tested hand grasping in the proximity of the monkey’s body, with the arm corresponding to the tested hand restrained, in order to distinguish hand-related motor activity from possible responses due to arm movements; this test was also carried out by closing the monkey’s eyes. We further che ...
... We first tested hand grasping in the proximity of the monkey’s body, with the arm corresponding to the tested hand restrained, in order to distinguish hand-related motor activity from possible responses due to arm movements; this test was also carried out by closing the monkey’s eyes. We further che ...
http://www.utdallas.edu/~tres/papers/Disterhoftetal1994.pdf
... bAddress for correspondence: Dr. John F. Disterhoft, Department of Cell & Molecular Biology, ...
... bAddress for correspondence: Dr. John F. Disterhoft, Department of Cell & Molecular Biology, ...
The Calcium Rationale in Aging and Alzheimer`s Disease
... bAddress for correspondence: Dr. John F. Disterhoft, Department of Cell & Molecular Biology, ...
... bAddress for correspondence: Dr. John F. Disterhoft, Department of Cell & Molecular Biology, ...
The neurochemistry of the GnRH pulse generator
... under in vivo conditions but superfused in the absence of Buserelin, released after the wash-out period significantly more glutamate but less GABA. From these results we conclude that the function of preoptic andor hypothalamic GnRH receptors are manyfold: The synaptic contacts between GnRH axon ter ...
... under in vivo conditions but superfused in the absence of Buserelin, released after the wash-out period significantly more glutamate but less GABA. From these results we conclude that the function of preoptic andor hypothalamic GnRH receptors are manyfold: The synaptic contacts between GnRH axon ter ...
Somatostatin-Expressing Inhibitory Interneurons in Cortical Circuits
... Cortical inhibitory neurons exhibit remarkable diversity in their morphology, connectivity, and synaptic properties. Here, we review the function of somatostatin-expressing (SOM) inhibitory interneurons, focusing largely on sensory cortex. SOM neurons also comprise a number of subpopulations that ca ...
... Cortical inhibitory neurons exhibit remarkable diversity in their morphology, connectivity, and synaptic properties. Here, we review the function of somatostatin-expressing (SOM) inhibitory interneurons, focusing largely on sensory cortex. SOM neurons also comprise a number of subpopulations that ca ...
melanogaster
... the ocelli. The ocelli are a set of three simple eyes positioned on the top (dorsal most part) of the head, and are believed to aid in gaze stabilization (Goodman, 1970; Schuppe and Hengstenberg, 1993). Ocellar interneurons, called L-neurons, sum information from photoreceptor outputs in each of the ...
... the ocelli. The ocelli are a set of three simple eyes positioned on the top (dorsal most part) of the head, and are believed to aid in gaze stabilization (Goodman, 1970; Schuppe and Hengstenberg, 1993). Ocellar interneurons, called L-neurons, sum information from photoreceptor outputs in each of the ...
$doc.title
... strategy approach to maximize reward and minimize costs; otherwise, competitive opponents can exploit predictable choice patterns. This thesis tested the hypothesis that the frontal eye field (FEF) are involved ...
... strategy approach to maximize reward and minimize costs; otherwise, competitive opponents can exploit predictable choice patterns. This thesis tested the hypothesis that the frontal eye field (FEF) are involved ...
Wager, T. D., Kang, J., Johnson, T. D., Nichols, T. E., Satpute, A. B.
... the neurophysiological basis of emotional experience is still poorly understood. We analyzed human brain activity patterns from 148 studies of emotion categories (2159 total participants) using a novel hierarchical Bayesian model. The model allowed us to classify which of five categories—fear, anger ...
... the neurophysiological basis of emotional experience is still poorly understood. We analyzed human brain activity patterns from 148 studies of emotion categories (2159 total participants) using a novel hierarchical Bayesian model. The model allowed us to classify which of five categories—fear, anger ...
Molecular mechanisms of floor plate formation and neural patterning
... Midkine-a (Mdka) in zebrafish. In higher vertebrates, mdk and the related factor pleiotrophin (ptn) are widely expressed during embryogenesis and are implicated in a variety of processes. The in-vivo function of both factors, however, is unclear, as knock-out mice show no embryonic phenotype. We hav ...
... Midkine-a (Mdka) in zebrafish. In higher vertebrates, mdk and the related factor pleiotrophin (ptn) are widely expressed during embryogenesis and are implicated in a variety of processes. The in-vivo function of both factors, however, is unclear, as knock-out mice show no embryonic phenotype. We hav ...
Hrk/DP5 contributes to the apoptosis of select neuronal populations
... withdrawal. Indeed, DRG sensory neurons lacking Hrk were less sensitive to apoptosis induced by the withdrawal of NGF, as they displayed a small but highly reproducible increase in viability over cells from their control (wt) littermates (Fig. 4A). Results from heterozygotes (Hrk+/–) and wt animals ...
... withdrawal. Indeed, DRG sensory neurons lacking Hrk were less sensitive to apoptosis induced by the withdrawal of NGF, as they displayed a small but highly reproducible increase in viability over cells from their control (wt) littermates (Fig. 4A). Results from heterozygotes (Hrk+/–) and wt animals ...
Full Article
... motivation exists for studying projections from the brain to spinal sympathetic neurons. First, few studies have investigated direct cortical projections to spinal sympathetic neurons. Second, although the projections to sympathetic preganglionic neurons (SPN) of the rostral ventrolateral medulla (R ...
... motivation exists for studying projections from the brain to spinal sympathetic neurons. First, few studies have investigated direct cortical projections to spinal sympathetic neurons. Second, although the projections to sympathetic preganglionic neurons (SPN) of the rostral ventrolateral medulla (R ...
The neural mechanisms of perceptual filling-in
... also occurs in the normal visual field where there is no deficit of visual inputs. In one example, stabilization of the border of a surface on the retina causes fillingin. For instance, when steady fixation is maintained, the contrast of an object in the peripheral visual field gradually decreases, ...
... also occurs in the normal visual field where there is no deficit of visual inputs. In one example, stabilization of the border of a surface on the retina causes fillingin. For instance, when steady fixation is maintained, the contrast of an object in the peripheral visual field gradually decreases, ...
The Basal Ganglia and Motor Control
... Via different types of dopamine receptors in the two populations of striatal output neurons, dopamine has an opposing role on these output pathways of the striatum. Via the dopamine D1 receptor, the activity of the direct pathway is facilitated, whereas the dopamine D2 receptor suppresses the activi ...
... Via different types of dopamine receptors in the two populations of striatal output neurons, dopamine has an opposing role on these output pathways of the striatum. Via the dopamine D1 receptor, the activity of the direct pathway is facilitated, whereas the dopamine D2 receptor suppresses the activi ...
PDF
... synapse formation remain unknown. To identify genes that regulate or mediate the function of SAD-1, we performed a yeast two-hybrid screen and identified the sole C. elegans homolog of Neurabin (NAB-1) that physically interacts with SAD-1 both in vivo and in vitro. Mammalian Neurabin (NeurabinI) and ...
... synapse formation remain unknown. To identify genes that regulate or mediate the function of SAD-1, we performed a yeast two-hybrid screen and identified the sole C. elegans homolog of Neurabin (NAB-1) that physically interacts with SAD-1 both in vivo and in vitro. Mammalian Neurabin (NeurabinI) and ...
Cystatin C prevents degeneration of rat nigral dopaminergic neurons
... Destruction of nigrostriatal dopaminergic (DA) pathway triggers various persistent responses, such as inflammation and increased synthesis of neural growth factors, both in striatum and in substantia nigra. The pathological processes involved in such responses are poorly characterized and could cont ...
... Destruction of nigrostriatal dopaminergic (DA) pathway triggers various persistent responses, such as inflammation and increased synthesis of neural growth factors, both in striatum and in substantia nigra. The pathological processes involved in such responses are poorly characterized and could cont ...
05-Intro-Vision-2
... Laurent Itti: CS599 – Computational Architectures in Biological Vision, USC 2001. Lecture 5: Introduction to Vision 2 ...
... Laurent Itti: CS599 – Computational Architectures in Biological Vision, USC 2001. Lecture 5: Introduction to Vision 2 ...