DEPARTAMENTO DE CIÊNCIAS DA VIDA
... Peripheral nervous system axons are able to regenerate following an injury through the activation of a regeneration program with transport of injury signals from the site of lesion to the cell body. These injury signals will then induce the expression of regeneration enhancers. Both the injury signa ...
... Peripheral nervous system axons are able to regenerate following an injury through the activation of a regeneration program with transport of injury signals from the site of lesion to the cell body. These injury signals will then induce the expression of regeneration enhancers. Both the injury signa ...
PDF file
... laminar architecture contributes to the perception and cognition abilities is still unknown. LAMINART [11] presented a schematic model of the 6-layer circuitry, accompanied with simulation results that explained how top-down attentional enhancement in V1 can laterally propagate along a traced curve, ...
... laminar architecture contributes to the perception and cognition abilities is still unknown. LAMINART [11] presented a schematic model of the 6-layer circuitry, accompanied with simulation results that explained how top-down attentional enhancement in V1 can laterally propagate along a traced curve, ...
Fig. 2 - eNeuro
... Most vertebrates show concussion responses when their heads are hit suddenly by heavy objects. Previous studies have focused on the direct physical injuries to the neural tissue caused by the concussive blow. We study a similar behavior in a simple vertebrate, the Xenopus laevis tadpole. We find tha ...
... Most vertebrates show concussion responses when their heads are hit suddenly by heavy objects. Previous studies have focused on the direct physical injuries to the neural tissue caused by the concussive blow. We study a similar behavior in a simple vertebrate, the Xenopus laevis tadpole. We find tha ...
Lecture notes Neural Computation
... system is hard to study in isolation. Neurons have a narrow range of operating conditions (temperature, oxygen, presence of other neurons, ion concentrations, ... ) under which they work. Secondly, the neurons form a highly interconnected network. The function of the nervous systems depends on this ...
... system is hard to study in isolation. Neurons have a narrow range of operating conditions (temperature, oxygen, presence of other neurons, ion concentrations, ... ) under which they work. Secondly, the neurons form a highly interconnected network. The function of the nervous systems depends on this ...
Bissonette Gregory B, Gentry Ronny N, Padmala Srikanth, Pessoa L
... Motivation is a complex psychological feature, likely arising from assessments of physiological states, understanding and attending to current environmental cues, past reinforcement history, and assessing expected value associated with current contexts. In this light, pharmacological manipulations o ...
... Motivation is a complex psychological feature, likely arising from assessments of physiological states, understanding and attending to current environmental cues, past reinforcement history, and assessing expected value associated with current contexts. In this light, pharmacological manipulations o ...
with task performance neural responses and determining their
... The methods we describe here are useful for analyzing the neural data from experiments in which experimental conditions are combinations of multiple stimulus parameters (e.g., sensory stimuli combined with different task instructions). Additionally, they can be applied to both parametric variation ( ...
... The methods we describe here are useful for analyzing the neural data from experiments in which experimental conditions are combinations of multiple stimulus parameters (e.g., sensory stimuli combined with different task instructions). Additionally, they can be applied to both parametric variation ( ...
Repetition suppression - Philosophical Transactions of the Royal
... remains one of the biggest challenges of contemporary neuroscience. While invasive recording in animal models can provide insight into neural processes that are conserved across species, our understanding of cognition more broadly relies upon investigation of the human brain itself. There is therefo ...
... remains one of the biggest challenges of contemporary neuroscience. While invasive recording in animal models can provide insight into neural processes that are conserved across species, our understanding of cognition more broadly relies upon investigation of the human brain itself. There is therefo ...
The Hitchhikers Guide to the Lumbosacral Plexus
... Soldatos T, Andreisek G, Thawait GK, et al. High-Resolution 3-T MR Neurography of the Lumbosacral Plexus. RadioGraphics. 2013;33(4):967-987. Chhabra A, Farahani SJ, Thawait GK, Wadhwa V, Belzberg AJ, Carrino JA. Incremental value of magnetic resonance neurography of Lumbosacral plexus over non-contr ...
... Soldatos T, Andreisek G, Thawait GK, et al. High-Resolution 3-T MR Neurography of the Lumbosacral Plexus. RadioGraphics. 2013;33(4):967-987. Chhabra A, Farahani SJ, Thawait GK, Wadhwa V, Belzberg AJ, Carrino JA. Incremental value of magnetic resonance neurography of Lumbosacral plexus over non-contr ...
Behavioral flexibility is increased by optogenetic inhibition of
... bar-pressing task requiring a win– stay/lose –shift strategy. We found that optogenetic inhibition during action selection in the time segment preceding a lever press had no effect on performance. However, inhibition occurring in the time segment during feedback of results—whether rewards or nonrewa ...
... bar-pressing task requiring a win– stay/lose –shift strategy. We found that optogenetic inhibition during action selection in the time segment preceding a lever press had no effect on performance. However, inhibition occurring in the time segment during feedback of results—whether rewards or nonrewa ...
Peripheral nerve injuries
... passes Skirven TM, Callahan AD : Therapist’s management of C. Early repair is superior to late repair; with nerve grafts, axons must regenerate across junctures. peripheral-nerve injuries. In Hunter JM, ed al, editors: Rehabilitation of the hand 5th edition, St. Louis, 2002, Mosby ...
... passes Skirven TM, Callahan AD : Therapist’s management of C. Early repair is superior to late repair; with nerve grafts, axons must regenerate across junctures. peripheral-nerve injuries. In Hunter JM, ed al, editors: Rehabilitation of the hand 5th edition, St. Louis, 2002, Mosby ...
compound action potential: nerve conduction
... to observe, and beyond the capabilities of most labs. This lesson describes an extracellular recording technique that is much easier to perform, but records the compound or “summed” response from a group of cells, which is why it is called compound action potential (CAP). Although CAP recordings pro ...
... to observe, and beyond the capabilities of most labs. This lesson describes an extracellular recording technique that is much easier to perform, but records the compound or “summed” response from a group of cells, which is why it is called compound action potential (CAP). Although CAP recordings pro ...
Introduction to Neural Networks "Energy" and attractor networks
... But would such a gradient derived rule correspond to any reasonable neural network model? In two influential papers, Hopfield approached the problem in the opposite direction. He started off with a model of neural network connectivity using the threshold logic units (TLU) for neurons, and posited an ...
... But would such a gradient derived rule correspond to any reasonable neural network model? In two influential papers, Hopfield approached the problem in the opposite direction. He started off with a model of neural network connectivity using the threshold logic units (TLU) for neurons, and posited an ...
full text pdf
... Mawe and Kennedy (1998, 1999) have performed two experiments in the guinea pig using retrograde tracing method combined with immunohistochemistry to investigate the distribution and chemical coding of intrinsic neurons supplying the SO. In the first study (Kennedy and Mawe 1998) they have applied Di ...
... Mawe and Kennedy (1998, 1999) have performed two experiments in the guinea pig using retrograde tracing method combined with immunohistochemistry to investigate the distribution and chemical coding of intrinsic neurons supplying the SO. In the first study (Kennedy and Mawe 1998) they have applied Di ...
Chemical Senses
... (e) Close-up of the membrane of the tip of the taste cell, showing the receptor sites for bitter, sour, salty, and sweet substances. Stimulation of these receptor sites triggers a number of different reactions within the cell that lead to movement of charged molecules across the membrane, which cre ...
... (e) Close-up of the membrane of the tip of the taste cell, showing the receptor sites for bitter, sour, salty, and sweet substances. Stimulation of these receptor sites triggers a number of different reactions within the cell that lead to movement of charged molecules across the membrane, which cre ...
Facial Nerve Palsy
... dependent upon the observer. Most accurate and reproducible test ii. facial nerve is stimulated at the stylomastoid foramen transcutaneously iii. compound muscle action potentials are recorded at the nasolabial grove iv. Performed on both sides with maximal stimulation. v. Difference between the two ...
... dependent upon the observer. Most accurate and reproducible test ii. facial nerve is stimulated at the stylomastoid foramen transcutaneously iii. compound muscle action potentials are recorded at the nasolabial grove iv. Performed on both sides with maximal stimulation. v. Difference between the two ...
Relational Networks
... At this point we turn to neuroscience Vernon Mountcastle, Perceptual Neuroscience (1998) • Cortical columns ...
... At this point we turn to neuroscience Vernon Mountcastle, Perceptual Neuroscience (1998) • Cortical columns ...
Peer-reviewed Article PDF
... from direct contact with muscles in the pelvic girdle, an increase in pelvic pressure, various tumors, surgical mesh from pelvic repair [16] or a ganglion cyst(s). There are numerous locations for this to happen, but the most common place being in the obturator internus, more specifically, Alcock’s ...
... from direct contact with muscles in the pelvic girdle, an increase in pelvic pressure, various tumors, surgical mesh from pelvic repair [16] or a ganglion cyst(s). There are numerous locations for this to happen, but the most common place being in the obturator internus, more specifically, Alcock’s ...
Associative memory properties of multiple cortical modules
... hyperbolic transfer functions. The form of the intra- and inter-modular connections reflects the result of Hebbian learning of sparsely coded binary patterns by the multi-modular network, and is essentially a generalization to multi-modular architectures of the synaptic matrix for a single module pr ...
... hyperbolic transfer functions. The form of the intra- and inter-modular connections reflects the result of Hebbian learning of sparsely coded binary patterns by the multi-modular network, and is essentially a generalization to multi-modular architectures of the synaptic matrix for a single module pr ...
1 - Libreria Universo
... engorgement with increasing penile rigidity. As the corpora become engorged, the emissary veins are compressed by within the tunica albuginea limiting venous outflow. The increased arterial inflow and limited venous outflow increases intracorporal pressure and leads to erection. As proerectile input ...
... engorgement with increasing penile rigidity. As the corpora become engorged, the emissary veins are compressed by within the tunica albuginea limiting venous outflow. The increased arterial inflow and limited venous outflow increases intracorporal pressure and leads to erection. As proerectile input ...
Expectancies in decision making, reinforcement
... Decisions can arise in different ways, such as from a gut feeling, doing what worked last time, or planful deliberation. Different decision-making systems are dissociable behaviorally, map onto distinct brain systems, and have different computational demands. For instance, “model-free” decision stra ...
... Decisions can arise in different ways, such as from a gut feeling, doing what worked last time, or planful deliberation. Different decision-making systems are dissociable behaviorally, map onto distinct brain systems, and have different computational demands. For instance, “model-free” decision stra ...
A thalamic reticular networking model of consciousness
... axons back to the thalamus, roughly to the same region where they receive afferents [18]. The TRN provides a major inhibitory input to thalamic relay nuclei [19]. The inhibitory TRN cells are densely innervated by collaterals from thalamocortical and corticothalamic neurons, both of which generate s ...
... axons back to the thalamus, roughly to the same region where they receive afferents [18]. The TRN provides a major inhibitory input to thalamic relay nuclei [19]. The inhibitory TRN cells are densely innervated by collaterals from thalamocortical and corticothalamic neurons, both of which generate s ...
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 ...
What Can an Orbitofrontal Cortex- Endowed Animal
... of behaviorally salient odor information. The olfactory OFC in monkeys is broadly comparable to the rodent, though evidence for a definitive homology is still lacking.5 Physiological8,9 and anatomical5,10 studies suggest that primary olfactory cortex (including piriform cortex, olfactory tubercle, a ...
... of behaviorally salient odor information. The olfactory OFC in monkeys is broadly comparable to the rodent, though evidence for a definitive homology is still lacking.5 Physiological8,9 and anatomical5,10 studies suggest that primary olfactory cortex (including piriform cortex, olfactory tubercle, a ...