Evolving Robots Able to Visually Discriminate Between - laral
... toward S independently of the relative size of the two objects. In other words, robots determine which is the target object by exploiting sensory-motor coordination. This can be illustrated by analyzing the behavior of the individual shown in Fig. 5 that represents the typical strategy adopted by ev ...
... toward S independently of the relative size of the two objects. In other words, robots determine which is the target object by exploiting sensory-motor coordination. This can be illustrated by analyzing the behavior of the individual shown in Fig. 5 that represents the typical strategy adopted by ev ...
Nervous System - Alamo Colleges
... These are named after drugs that bind to them and mimic ACh effects ...
... These are named after drugs that bind to them and mimic ACh effects ...
Three-dimensional auditory localization in the
... discrimination task (Figure 2a) and range jitter discrimination task (Figure 2c), changes in echo amplitude affect the distance estimation of big brown bats in predictable ways (Figure 2f) [27,28]. Behaviorally, it has been demonstrated that sonar ranging in big brown bats is robust to changes in ec ...
... discrimination task (Figure 2a) and range jitter discrimination task (Figure 2c), changes in echo amplitude affect the distance estimation of big brown bats in predictable ways (Figure 2f) [27,28]. Behaviorally, it has been demonstrated that sonar ranging in big brown bats is robust to changes in ec ...
Transcripts/2_23 2
... medial vestibular nucleus to the abducens takes care of the appropriate activity for the vestibule-ocular reflex in the lateral rectus on both sides. And then the internuclear pathway to the medial rectus motor neurons on the left and the right take care of the appropriate activity for the left and ...
... medial vestibular nucleus to the abducens takes care of the appropriate activity for the vestibule-ocular reflex in the lateral rectus on both sides. And then the internuclear pathway to the medial rectus motor neurons on the left and the right take care of the appropriate activity for the left and ...
Reprint () - Centre de recherche CERVO
... also branch profusely in the tectum. 2) Two types of ascending fibers arise from SP5i: Type I fibers are thick and distribute to the Po and to other regions of the midbrain, i.e., the prerubral field, the deep layers of the superior colliculus, the anterior pretectal nucleus, and the ventral part of ...
... also branch profusely in the tectum. 2) Two types of ascending fibers arise from SP5i: Type I fibers are thick and distribute to the Po and to other regions of the midbrain, i.e., the prerubral field, the deep layers of the superior colliculus, the anterior pretectal nucleus, and the ventral part of ...
Neural Syntax: Cell Assemblies, Synapsembles, and
... combinations of firing patterns (Abeles, 1991). Whether one or several of the possible combinations of firing patterns are meaningful can be determined only by a reader-classifier mechanism. If multiple combinations elicit the same output in one reader, they are interpreted as identical from the poi ...
... combinations of firing patterns (Abeles, 1991). Whether one or several of the possible combinations of firing patterns are meaningful can be determined only by a reader-classifier mechanism. If multiple combinations elicit the same output in one reader, they are interpreted as identical from the poi ...
Synaptic Depression and the Temporal Response Characteristics of
... images shift as a function of contrast, again revealing temporal nonlinearity (Dean and Tolhurst, 1986; Carandini and Heeger, 1994). Nonlinear temporal dynamics is likely to contribute to a number of features exhibited by V1 cells, including direction selectivity (Reid et al., 1991; Jagadeesh et al. ...
... images shift as a function of contrast, again revealing temporal nonlinearity (Dean and Tolhurst, 1986; Carandini and Heeger, 1994). Nonlinear temporal dynamics is likely to contribute to a number of features exhibited by V1 cells, including direction selectivity (Reid et al., 1991; Jagadeesh et al. ...
Efficient coding and the neural representation of value
... significantly modulated by reward, with neural activity covarying with the value of actions in these stages. For example, in the primate visuo-saccadic system, value-coding activity is observed at both cortical and subcortical levels of processing. Early in the sensorimotor processing pathway, the a ...
... significantly modulated by reward, with neural activity covarying with the value of actions in these stages. For example, in the primate visuo-saccadic system, value-coding activity is observed at both cortical and subcortical levels of processing. Early in the sensorimotor processing pathway, the a ...
The Pathology of the Spinal Cord in Progressive
... all the cells that could be identified as neurons by their size and morphological features; the other took into account only cells with cytoplasmic features reminiscent of NFTs. With regard to the density of NTs and gliosis, a semi-quantitative system that takes into account the density of immunosta ...
... all the cells that could be identified as neurons by their size and morphological features; the other took into account only cells with cytoplasmic features reminiscent of NFTs. With regard to the density of NTs and gliosis, a semi-quantitative system that takes into account the density of immunosta ...
Anatomy of the Cerebellum
... transversely within the long axis of the folium. Both these neurons do not inhibit Purkinje cells that lie in the plane of excitation of the activated parallel fiber. ...
... transversely within the long axis of the folium. Both these neurons do not inhibit Purkinje cells that lie in the plane of excitation of the activated parallel fiber. ...
Synaptic Depression and the Temporal Response Characteristics of
... images shift as a function of contrast, again revealing temporal nonlinearity (Dean and Tolhurst, 1986; C arandini and Heeger, 1994). Nonlinear temporal dynamics is likely to contribute to a number of features exhibited by V1 cells, including direction selectivity (Reid et al., 1991; Jagadeesh et al ...
... images shift as a function of contrast, again revealing temporal nonlinearity (Dean and Tolhurst, 1986; C arandini and Heeger, 1994). Nonlinear temporal dynamics is likely to contribute to a number of features exhibited by V1 cells, including direction selectivity (Reid et al., 1991; Jagadeesh et al ...
36_LectureSlidesAdde..
... • Leptin inhibits NPY/AgRP neurons. This decreases inhibition to the catabolic pathway and decreases excitation to the anabolic pathway. The net result is an increase in catabolic pathway activity relative to the anabolic pathway. • Leptin stimulates POMC otherwise known as aMSH/CART neurons. This i ...
... • Leptin inhibits NPY/AgRP neurons. This decreases inhibition to the catabolic pathway and decreases excitation to the anabolic pathway. The net result is an increase in catabolic pathway activity relative to the anabolic pathway. • Leptin stimulates POMC otherwise known as aMSH/CART neurons. This i ...
powerpoint lecture
... Primary Somatosensory Cortex • Receives general sensory information from skin, and proprioceptors of skeletal muscle, joints, and tendons • Capable of spatial discrimination: identification of body region being stimulated ...
... Primary Somatosensory Cortex • Receives general sensory information from skin, and proprioceptors of skeletal muscle, joints, and tendons • Capable of spatial discrimination: identification of body region being stimulated ...
Building Production Systems with Realistic Spiking Neurons Terrence C. Stewart ()
... should be. This bypasses the question of how these weights would have developed over time. The simplest case is a transformation that does nothing. That is, if we have two neural groups (A and B), and we set the value of group A to be x, we want group B to also represent x. This can be seen as the d ...
... should be. This bypasses the question of how these weights would have developed over time. The simplest case is a transformation that does nothing. That is, if we have two neural groups (A and B), and we set the value of group A to be x, we want group B to also represent x. This can be seen as the d ...
to view: Introduction to the Structure and Function of the Central
... FIGURE 3.7 The four lobes of the cerebral hemispheres, as seen from the lateral, medial, dorsal, and ventral views. The central sulcus is the dividing line between the frontal and parietal lobes. The boundaries between the other three lobes are not precisely defined. Cortex in these border areas is ...
... FIGURE 3.7 The four lobes of the cerebral hemispheres, as seen from the lateral, medial, dorsal, and ventral views. The central sulcus is the dividing line between the frontal and parietal lobes. The boundaries between the other three lobes are not precisely defined. Cortex in these border areas is ...
Neural Correlates of Executive Control in the Avian Brain
... memory that which is relevant, while restricting access to memory or discarding from memory that which is not. Our data are the first example of neural correlates of executive control in a nonmammalian species. We would also argue that they are the most straightforward example of neural correlates of ...
... memory that which is relevant, while restricting access to memory or discarding from memory that which is not. Our data are the first example of neural correlates of executive control in a nonmammalian species. We would also argue that they are the most straightforward example of neural correlates of ...
Document
... • Sensory MEMORY is distributed, broadly, across regions of the cerebral cortex. Sensory inputs to primary cortices are processed for similarities and differences. Details are processed in associational sensory cortices that surround primary sensory targets. Also primary and associational cortices p ...
... • Sensory MEMORY is distributed, broadly, across regions of the cerebral cortex. Sensory inputs to primary cortices are processed for similarities and differences. Details are processed in associational sensory cortices that surround primary sensory targets. Also primary and associational cortices p ...
Bridging Cytoarchitectonics and Connectomics in Human Cerebral
... cytoarchitecture. In parallel, connectome studies have suggested that also the macroscale wiring profile of brain areas may have an important contribution in shaping neural processes; for example, multimodal areas have been noted to display an elaborate macroscale connectivity profile. However, how ...
... cytoarchitecture. In parallel, connectome studies have suggested that also the macroscale wiring profile of brain areas may have an important contribution in shaping neural processes; for example, multimodal areas have been noted to display an elaborate macroscale connectivity profile. However, how ...
Sodium channel expression in the ventral posterolateral nucleus of
... Finally, Nav1.6 signal intensity was not significantly different between ipsilateral (44.1 ± 9.2 units) (Figure 4E) and contralateral (50.2 ± 6.5 units) (Figure 4F) sides after CCI. Compared to intact animals, no significant differences were observed after CCI (Figure 4H). ...
... Finally, Nav1.6 signal intensity was not significantly different between ipsilateral (44.1 ± 9.2 units) (Figure 4E) and contralateral (50.2 ± 6.5 units) (Figure 4F) sides after CCI. Compared to intact animals, no significant differences were observed after CCI (Figure 4H). ...
learning objectives for nervous tissue and nervous system
... 18. Give the location and general functions of the pons. What vital centers does it contain? 19. What tracts does the medulla contain? What are its three vital reflex centers? 20. Give the location and general function of the cerebellum. What are four events in cerebellar processing 21. Discuss the ...
... 18. Give the location and general functions of the pons. What vital centers does it contain? 19. What tracts does the medulla contain? What are its three vital reflex centers? 20. Give the location and general function of the cerebellum. What are four events in cerebellar processing 21. Discuss the ...
Duration Sensitivity to Other Response Properties of the Rat
... et al. 2000). Duration-selective neurons have only been found at or above the level of the inferior colliculus (IC) or its homolog in any of the species studied, so this form of neural filtering seems to be an emergent property that results from circuitry operating within the midbrain. The IC is inn ...
... et al. 2000). Duration-selective neurons have only been found at or above the level of the inferior colliculus (IC) or its homolog in any of the species studied, so this form of neural filtering seems to be an emergent property that results from circuitry operating within the midbrain. The IC is inn ...
Lecture Slides - Austin Community College
... and open Ca2+ channels • Neurotransmitter is released into the synaptic cleft via exocytosis • Neurotransmitter crosses the synaptic cleft and binds to receptors on the postsynaptic neuron • Postsynaptic membrane permeability changes due to opening of ion channels, causing an excitatory or inhibitor ...
... and open Ca2+ channels • Neurotransmitter is released into the synaptic cleft via exocytosis • Neurotransmitter crosses the synaptic cleft and binds to receptors on the postsynaptic neuron • Postsynaptic membrane permeability changes due to opening of ion channels, causing an excitatory or inhibitor ...
PDF
... superficial columns of cells (the ectodermal bandlets) into discrete, segmentally iterated ganglia. For this purpose, we followed the time course of gangliogenesis by differentially labeling the N lineage with fluorescent lineage tracers. By microinjecting individual primary and secondary blast cell ...
... superficial columns of cells (the ectodermal bandlets) into discrete, segmentally iterated ganglia. For this purpose, we followed the time course of gangliogenesis by differentially labeling the N lineage with fluorescent lineage tracers. By microinjecting individual primary and secondary blast cell ...
1 - UPenn School of Engineering and Applied Science
... published in the scientific literature, until a critical mass is reached when a more complete understanding is achieved. Although the critical mass in CNS regeneration research has not been reached, Xu et al. have created an exciting model of CNS regeneration that provided a few new steps in the pro ...
... published in the scientific literature, until a critical mass is reached when a more complete understanding is achieved. Although the critical mass in CNS regeneration research has not been reached, Xu et al. have created an exciting model of CNS regeneration that provided a few new steps in the pro ...
Descending Systems Translate Transient Cortical Commands into a
... target onset) served as the ‘‘Go’’ signal. The monkey then had to shift the cursor into the previously cued target by generating an isometric torque ramp (Torque onset) in the appropriate direction and magnitude and keep the cursor within the target for an active hold period (350--750 ms, monkeys G ...
... target onset) served as the ‘‘Go’’ signal. The monkey then had to shift the cursor into the previously cued target by generating an isometric torque ramp (Torque onset) in the appropriate direction and magnitude and keep the cursor within the target for an active hold period (350--750 ms, monkeys G ...