The columnar organization of the neocortex
... Fig. 1 A three-dimensional illustration of the developmental events occurring during early stages of corticognesis in the monkey. The drawing illustrates radial migration, the predominant mode of neuronal movement, which in primates underlies its columnar organization. After their last division, coh ...
... Fig. 1 A three-dimensional illustration of the developmental events occurring during early stages of corticognesis in the monkey. The drawing illustrates radial migration, the predominant mode of neuronal movement, which in primates underlies its columnar organization. After their last division, coh ...
Cranial Nerves
... • The cranial nerve routes for sensory and motor circuits have different neuroanatomical connections. Sensory pathways are composed of 3 major neurons: the primary, the secondary, and the tertiary (see Figure 2). The cell bodies of primary neurons are usually located outside the CNS in sensory gangl ...
... • The cranial nerve routes for sensory and motor circuits have different neuroanatomical connections. Sensory pathways are composed of 3 major neurons: the primary, the secondary, and the tertiary (see Figure 2). The cell bodies of primary neurons are usually located outside the CNS in sensory gangl ...
Eye Movements - Center for Neural Science
... Gaze-stabilization mechanisms fall into two subclasses: the vestibuloocula system and the optokinetic system. Vestibuloocular system relies on the semicircular canals to determine the precise rate at which the head is rotated in any direction. The optokinetic system relies on information from the ph ...
... Gaze-stabilization mechanisms fall into two subclasses: the vestibuloocula system and the optokinetic system. Vestibuloocular system relies on the semicircular canals to determine the precise rate at which the head is rotated in any direction. The optokinetic system relies on information from the ph ...
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... was surgically exposed, and neural responses were recorded with parylene-coated tungsten microelectrodes (FHC #070-02-01, 2 MΩ). Because we used barbiturate anesthesia, the modulation of responses recorded in this study may not be identical to the responses of awake animals. Penetration sites were c ...
... was surgically exposed, and neural responses were recorded with parylene-coated tungsten microelectrodes (FHC #070-02-01, 2 MΩ). Because we used barbiturate anesthesia, the modulation of responses recorded in this study may not be identical to the responses of awake animals. Penetration sites were c ...
introduction the neuron doctrine
... were to compare this total length of DNA to the total string ofletters that make up this book, the genes would be analogous to the individual words. Genes are from 0.1 to several micrometers in length. The "reading" of the DNA is known as gene expression. The final product of gene expression is the ...
... were to compare this total length of DNA to the total string ofletters that make up this book, the genes would be analogous to the individual words. Genes are from 0.1 to several micrometers in length. The "reading" of the DNA is known as gene expression. The final product of gene expression is the ...
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... found in neurodevepmental disorders. MicroRNAs have been implicated in several steps of neuronal maturation including dendritic and axonal growth, spine development, and synaptogenesis. We demonstrate that one brain-enriched microRNA, miR-137, has a significant role in regulating neuronal maturation. ...
... found in neurodevepmental disorders. MicroRNAs have been implicated in several steps of neuronal maturation including dendritic and axonal growth, spine development, and synaptogenesis. We demonstrate that one brain-enriched microRNA, miR-137, has a significant role in regulating neuronal maturation. ...
A unifying view of the basis of social cognition
... complex social situations. One of the most striking features of our experience of others is its intuitive nature. This implicit grasp of what other people do or feel will be the focus of our review. We will posit that, in our brain, there are neural mechanisms (mirror mechanisms) that allow us to di ...
... complex social situations. One of the most striking features of our experience of others is its intuitive nature. This implicit grasp of what other people do or feel will be the focus of our review. We will posit that, in our brain, there are neural mechanisms (mirror mechanisms) that allow us to di ...
Dopamine
... hydroxylamine. In contrast, NOS inhibitors failed to affect baseline DA cell firing but did increase their response to stimulation (34); therefore, NO signaling in the striatum facilitates DA neurotransmission by modulation of corticostriatal and striatonigral pathways. NO also appears to have a rol ...
... hydroxylamine. In contrast, NOS inhibitors failed to affect baseline DA cell firing but did increase their response to stimulation (34); therefore, NO signaling in the striatum facilitates DA neurotransmission by modulation of corticostriatal and striatonigral pathways. NO also appears to have a rol ...
Lecture #1 - University of Utah
... stimulus ampl. Is coded by amplitude of receptor potential & Spike (A.P.) rate of the primary sensory neurons. ...
... stimulus ampl. Is coded by amplitude of receptor potential & Spike (A.P.) rate of the primary sensory neurons. ...
Number and Laminar Distribution of Neurons in a
... L4 with a very high soma density, 3 observers counted 487 ± 2.1% neurons (range 478--498 neurons). 2) We checked that for consecutive slices, all cells at the slice borders could be recovered in the adjacent slice (for an example of 6 consecutive tangential slices, see inset in Fig. 3A) and that the ...
... L4 with a very high soma density, 3 observers counted 487 ± 2.1% neurons (range 478--498 neurons). 2) We checked that for consecutive slices, all cells at the slice borders could be recovered in the adjacent slice (for an example of 6 consecutive tangential slices, see inset in Fig. 3A) and that the ...
State-dependent computations - Frankfurt Institute for Advanced
... N-dimensional vector that is composed of zeros and ones (depending on the size of the time bin we can also represent each value as a real number representing the firing rate). Such a vector forms a point in N-dimensional space and defines which neurons are active at corresponding time point t. over ...
... N-dimensional vector that is composed of zeros and ones (depending on the size of the time bin we can also represent each value as a real number representing the firing rate). Such a vector forms a point in N-dimensional space and defines which neurons are active at corresponding time point t. over ...
Cell Assembly Sequences Arising from Spike
... rial). The accuracy of time estimation from the models increased with the number of cells used in each animal (data not shown). This observation suggests that by recording from a much larger fraction of hippocampal neurons, the accuracy of time estimation can be improved further. It also suggests th ...
... rial). The accuracy of time estimation from the models increased with the number of cells used in each animal (data not shown). This observation suggests that by recording from a much larger fraction of hippocampal neurons, the accuracy of time estimation can be improved further. It also suggests th ...
Activity Regulates the Incidence of Heteronymous Sensory
... sensory-motor specificity have focused on the issue of how sensory afferents establish strong ‘‘homonymous’’ connections with motor neuron pools innervating the same muscle, and are able to avoid motor neurons that innervate antagonist muscles. The construction of certain of these sensory-motor conn ...
... sensory-motor specificity have focused on the issue of how sensory afferents establish strong ‘‘homonymous’’ connections with motor neuron pools innervating the same muscle, and are able to avoid motor neurons that innervate antagonist muscles. The construction of certain of these sensory-motor conn ...
ABSTRACT BOOK CHAMPALIMAUD NEUROSCIENCE
... University Professor, David Dornsife Professor of Neuroscience, Director - Brain and Creativity Institute, University of Southern California, USA Antonio Damasio is a neurologist and neuroscientist. He is University Professor, David Dornsife Professor of Neuroscience, and Director of the Brain and C ...
... University Professor, David Dornsife Professor of Neuroscience, Director - Brain and Creativity Institute, University of Southern California, USA Antonio Damasio is a neurologist and neuroscientist. He is University Professor, David Dornsife Professor of Neuroscience, and Director of the Brain and C ...
Morphology of Feedback Neurons in the Mushroom Body of the
... neurons per class were not determined, because such estimates are unreliable and can be misleading. This is due to the fact that, depending on the pipette position, one group of neurons may incorporate more cobalt ions than another or one group may be stained more homogeneously than the other. In ad ...
... neurons per class were not determined, because such estimates are unreliable and can be misleading. This is due to the fact that, depending on the pipette position, one group of neurons may incorporate more cobalt ions than another or one group may be stained more homogeneously than the other. In ad ...
THE PEDAL NEURONS OF APLYSIA PUNCTATA
... There are no detailed accounts of the connexions and branching of the axons of neurons in the pedal ganglia of opisthobranchs. Most of the experiments on these ganglia have been limited to cutting and stimulating nerve trunks, and using these techniques, Frohlich (1910) demonstrated the role of the ...
... There are no detailed accounts of the connexions and branching of the axons of neurons in the pedal ganglia of opisthobranchs. Most of the experiments on these ganglia have been limited to cutting and stimulating nerve trunks, and using these techniques, Frohlich (1910) demonstrated the role of the ...
BIOL 105 S 2011 MTX 2 QA 110512.1
... A) sensory, motor, and predictive. B) sensory, motor, and manipulative. C) sensory, motor, and integrative. D) reflexive, predictive, and motor. E) emotion, memory, and movement. Answer: C 6) The part of the peripheral nervous system that brings information to the central nervous system is the A) mo ...
... A) sensory, motor, and predictive. B) sensory, motor, and manipulative. C) sensory, motor, and integrative. D) reflexive, predictive, and motor. E) emotion, memory, and movement. Answer: C 6) The part of the peripheral nervous system that brings information to the central nervous system is the A) mo ...
A model for experience-dependent changes in the responses of inferotemporal neurons
... IT cortex receives cholinergic innervation from the nucleus basalis of the substantia innominata region (also known as the magnocellular nucleus basalis of Meynert) in the basal forebrain (Mesulam et al 1983). Cholinergic antagonists have been shown to increase the average visual response of all rec ...
... IT cortex receives cholinergic innervation from the nucleus basalis of the substantia innominata region (also known as the magnocellular nucleus basalis of Meynert) in the basal forebrain (Mesulam et al 1983). Cholinergic antagonists have been shown to increase the average visual response of all rec ...
Visual Categorization and the Primate Prefrontal Cortex
... that the morphing system functioned as designed and generated stimuli that that had no a priori discontinuities that the monkeys could exploit to solve the task. A two-dimensional (2-D) correlation coefficient was calculated for neighboring images at six levels of blends of cat and dog (cat:dog: 100 ...
... that the morphing system functioned as designed and generated stimuli that that had no a priori discontinuities that the monkeys could exploit to solve the task. A two-dimensional (2-D) correlation coefficient was calculated for neighboring images at six levels of blends of cat and dog (cat:dog: 100 ...
Assessing the Function of Motor Cortex: Single
... that some M1 activity was related to noncausal motor output parameters, such as the current joint angle and the direction of the next movement in a repeated sequence (Thach, 1978). When the domain of neurophysiological inquiry expanded to the study of multijoint reaching movements (Georgopoulos et a ...
... that some M1 activity was related to noncausal motor output parameters, such as the current joint angle and the direction of the next movement in a repeated sequence (Thach, 1978). When the domain of neurophysiological inquiry expanded to the study of multijoint reaching movements (Georgopoulos et a ...
1. If a significant amount of Cl - entered the body of a motor neuron
... 33. Suppose the binding of neurotransmitter to receptors on a dendrite caused the opening of chemicallygated potassium channels. This would result in: a. The production of a postsynaptic potential b. The production of an inhibitory postsynaptic potential c. The efflux of potassium ions d. The membr ...
... 33. Suppose the binding of neurotransmitter to receptors on a dendrite caused the opening of chemicallygated potassium channels. This would result in: a. The production of a postsynaptic potential b. The production of an inhibitory postsynaptic potential c. The efflux of potassium ions d. The membr ...
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... these issues, we electrically stimulated sites within primary and premotor cortex and measured the resultant behavior. Stimulation of the primate brain through microelectrodes has become a widely used technique to study the behavioral function of brain areas (Tehovnik, 1996). Microstimulation activa ...
... these issues, we electrically stimulated sites within primary and premotor cortex and measured the resultant behavior. Stimulation of the primate brain through microelectrodes has become a widely used technique to study the behavioral function of brain areas (Tehovnik, 1996). Microstimulation activa ...
A Cholinergic Mechanism for Reward Timing within Primary Visual Cortex Please share
... The first set of experiments utilized the behavioral protocol previously established in adult male Long-Evans rats by Shuler and Bear (2006) and was designed to distinguish between a requirement for local BF cholinergic input in the acquisition vs. the expression of reward timing activity. Water-res ...
... The first set of experiments utilized the behavioral protocol previously established in adult male Long-Evans rats by Shuler and Bear (2006) and was designed to distinguish between a requirement for local BF cholinergic input in the acquisition vs. the expression of reward timing activity. Water-res ...