Frog Vision
... provide a recoding of the retinal image. • The retinal image is specified in terms of luminance at each receptor - this description is redundant and not useful to frog. • Tectal neurons recode each small region on retina in terms of 4 basic features or parameters, so we have 4 different average firi ...
... provide a recoding of the retinal image. • The retinal image is specified in terms of luminance at each receptor - this description is redundant and not useful to frog. • Tectal neurons recode each small region on retina in terms of 4 basic features or parameters, so we have 4 different average firi ...
SOMATOSENSORY PATHWAYS
... and relays then to large regions of parietal, temporal, and occipital association cortex involved in behavioral orientation (attention) toward relevant stimuli. Intralaminar Nuclei lie within the internal medullary lamina (see figure above) and receive inputs from numerous pathways and have reciproc ...
... and relays then to large regions of parietal, temporal, and occipital association cortex involved in behavioral orientation (attention) toward relevant stimuli. Intralaminar Nuclei lie within the internal medullary lamina (see figure above) and receive inputs from numerous pathways and have reciproc ...
Neuroethology of reward and decision making
... and motor preparation. In that study, monkeys were cued to shift gaze from a central light to one of two peripheral lights to receive a fruit juice reward. In separate blocks of trials, the authors varied the expected value of orienting to each light by varying either the size of reward or the proba ...
... and motor preparation. In that study, monkeys were cued to shift gaze from a central light to one of two peripheral lights to receive a fruit juice reward. In separate blocks of trials, the authors varied the expected value of orienting to each light by varying either the size of reward or the proba ...
Chapter 28: Nervous
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
Neuronal Birthdate-Specific Gene Transfer with Adenoviral Vectors
... Manipulation of mouse embryos was performed according to a modification of exo utero surgery (Muneoka et al., 1986; Turner and Cepko, 1987). This manipulation is illustrated in Figure 1 B. Adenoviral vectors (total, 1 ⫻ 10 8 pfu) were injected into the midbrain ventricle of the embryos on E10.5, E11 ...
... Manipulation of mouse embryos was performed according to a modification of exo utero surgery (Muneoka et al., 1986; Turner and Cepko, 1987). This manipulation is illustrated in Figure 1 B. Adenoviral vectors (total, 1 ⫻ 10 8 pfu) were injected into the midbrain ventricle of the embryos on E10.5, E11 ...
CORTICAL AFFERENT INPUT TO THE PRINCIPALS REGION OF THE RHESUS MONKEY H.
... Areas 17, 18, and 19 of Brodmann,8 or OC, OB and OA of Von Bonin and Bailey,90 and the inferior temporal cortex (areas 20, 21 or TE) have been implicated in visual function on the basis of behavioral, anatomic and electrophysiologic experiments (for reviews see Refs 88, 89, 95 and 98). In the presen ...
... Areas 17, 18, and 19 of Brodmann,8 or OC, OB and OA of Von Bonin and Bailey,90 and the inferior temporal cortex (areas 20, 21 or TE) have been implicated in visual function on the basis of behavioral, anatomic and electrophysiologic experiments (for reviews see Refs 88, 89, 95 and 98). In the presen ...
![[Frontiers in Bioscience 8, s438-451, May 1, 2003] 438 AROUSAL](http://s1.studyres.com/store/data/005320946_1-6eb469e446a066f466aecf70147008ff-300x300.png)
[Frontiers in Bioscience 8, s438-451, May 1, 2003] 438 AROUSAL
... parallel those of the reticular formation, extending dorsally into the thalamus and ventrally into the hypothalamus and basal forebrain (12, 20-23). Electrical stimulation of the LDTg-PPTg elicits cortical activation, while exciting thalamic neurons (24). Presumed cholinergic cells, which have been ...
... parallel those of the reticular formation, extending dorsally into the thalamus and ventrally into the hypothalamus and basal forebrain (12, 20-23). Electrical stimulation of the LDTg-PPTg elicits cortical activation, while exciting thalamic neurons (24). Presumed cholinergic cells, which have been ...
Y.I. Molkov, Baroreflex models, Encyclopedia of Computational
... types, A-type and C-type, depending on whether they are myelinated or not. Schild et al. (1994) performed a thorough study of their electrophysiological properties and developed a conductance-based model of A- and C-type cells based on voltage-clamp recordings in rat nodose sensory neurons (carotid ...
... types, A-type and C-type, depending on whether they are myelinated or not. Schild et al. (1994) performed a thorough study of their electrophysiological properties and developed a conductance-based model of A- and C-type cells based on voltage-clamp recordings in rat nodose sensory neurons (carotid ...
Pontine Gustatory Activity Is Altered by Electrical Stimulation in the
... citric acid– best neurons, the magnitude of inhibition produced by CeA activation increased with an increase in stimulus effectiveness. The responses to citric acid were inhibited significantly more than the responses to all other stimuli with the exception of NaCl mixed with amiloride. The overall ...
... citric acid– best neurons, the magnitude of inhibition produced by CeA activation increased with an increase in stimulus effectiveness. The responses to citric acid were inhibited significantly more than the responses to all other stimuli with the exception of NaCl mixed with amiloride. The overall ...
Spikes, Local Field Potentials, and How to Model Both
... Local Field Potential and Continuous Models Spikes and Generalized Linear Models Example of GLM modeling in rat barrel cortex ...
... Local Field Potential and Continuous Models Spikes and Generalized Linear Models Example of GLM modeling in rat barrel cortex ...
File - Groby Bio Page
... opposing muscle group is simultaneously stimulated In a knee-jerk reflex the quadriceps contract to extend the knee while the hamstrings are inhibited in a slightly delayed response (they do not flex) ...
... opposing muscle group is simultaneously stimulated In a knee-jerk reflex the quadriceps contract to extend the knee while the hamstrings are inhibited in a slightly delayed response (they do not flex) ...
Document
... consists of a densely interconnected set of nerve cells, or basic information-processing units, called neurons. The human brain incorporates nearly 10 billion neurons and 60 trillion connections, synapses, between them. By using multiple neurons simultaneously, the brain can perform its functions mu ...
... consists of a densely interconnected set of nerve cells, or basic information-processing units, called neurons. The human brain incorporates nearly 10 billion neurons and 60 trillion connections, synapses, between them. By using multiple neurons simultaneously, the brain can perform its functions mu ...
Evaluation of ventral root reimplantation as a treatment of
... While peripheral nerve neurotmesis can be treated with a good functional outcome using routine surgical principles for peripheral nerve injuries [14], root avulsion was until now beyond repair, not only because of the size of the gap separating the spinal cord from the avulsed rootlets, but also bec ...
... While peripheral nerve neurotmesis can be treated with a good functional outcome using routine surgical principles for peripheral nerve injuries [14], root avulsion was until now beyond repair, not only because of the size of the gap separating the spinal cord from the avulsed rootlets, but also bec ...
Studies of the Role of the Paramedian Pontine Reticular Formation
... burst neurons in head-restrained monkeys, and (2) reversible inactivation techniques confirmed the traditional view of the importance of PPRF in the control of horizontal eye movements. Reversible inactivation of neurons in the vicinity of identified short-lead burst neurons produced dramatic reduct ...
... burst neurons in head-restrained monkeys, and (2) reversible inactivation techniques confirmed the traditional view of the importance of PPRF in the control of horizontal eye movements. Reversible inactivation of neurons in the vicinity of identified short-lead burst neurons produced dramatic reduct ...
PLoS Biol. 2016 Oct 10.
... NIfHVC Song-Related Activity Is Pre-Vocal and Does Not Convey Either Actual or Expected Auditory Feedback to HVC Because songbirds use auditory feedback to learn their songs, it is crucial to understand in which cell populations this feedback is processed and conveyed to motor areas such as HVC. In ...
... NIfHVC Song-Related Activity Is Pre-Vocal and Does Not Convey Either Actual or Expected Auditory Feedback to HVC Because songbirds use auditory feedback to learn their songs, it is crucial to understand in which cell populations this feedback is processed and conveyed to motor areas such as HVC. In ...
video slide - ScienceToGo
... Inhibitory postsynaptic potentials (IPSPs) are hyperpolarizations that move the membrane potential farther from threshold After release, the neurotransmitter ...
... Inhibitory postsynaptic potentials (IPSPs) are hyperpolarizations that move the membrane potential farther from threshold After release, the neurotransmitter ...
Visual Responses of Pulvinar and Collicular Neurons During Eye
... stimulus movement during periods of fixation with those to motion caused by saccadic or pursuit eye movements. Neurons in the inferior pulvinar (PI), lateral pulvinar (PL), and superior colliculus were tested. 2. Cells in PI and PL respond to stimulus movement over a wide range of speeds. Some of th ...
... stimulus movement during periods of fixation with those to motion caused by saccadic or pursuit eye movements. Neurons in the inferior pulvinar (PI), lateral pulvinar (PL), and superior colliculus were tested. 2. Cells in PI and PL respond to stimulus movement over a wide range of speeds. Some of th ...
CV - The Solomon H Snyder Department of Neuroscience
... 1. Scientific progress often follows the invention of new experimental methods. The adoption of the GAL4/UAS system revolutionized experimental research in Drosophila. Yet despite its versatility, the GAL4 system had limitations. For example, GAL4 expression patterns from enhancer trap lines or prom ...
... 1. Scientific progress often follows the invention of new experimental methods. The adoption of the GAL4/UAS system revolutionized experimental research in Drosophila. Yet despite its versatility, the GAL4 system had limitations. For example, GAL4 expression patterns from enhancer trap lines or prom ...
Spatial organization of thalamocortical and corticothalamic
... layer VI. Some cells in this deeper aspect of the cortex project axons to the thalamus and send recurrent collaterals to terminate on neurons in layer IV; also, the apical dendrites of corticothalamic cells extend into the barrel centers where they receive thalamocortical synapses (White and Hersch, ...
... layer VI. Some cells in this deeper aspect of the cortex project axons to the thalamus and send recurrent collaterals to terminate on neurons in layer IV; also, the apical dendrites of corticothalamic cells extend into the barrel centers where they receive thalamocortical synapses (White and Hersch, ...
Quantitative morphological changes in neurons from the dorsal
... volume in the dLGN. This, according to Hinds and McNelly (1977), Flood et al., (1985), and Coleman and Flood (1986), could be related to an increase in the dendritic tree in order to maintain the existing synaptic connections, despite the increase in the dLGN total volume, or perhaps, to compensate ...
... volume in the dLGN. This, according to Hinds and McNelly (1977), Flood et al., (1985), and Coleman and Flood (1986), could be related to an increase in the dendritic tree in order to maintain the existing synaptic connections, despite the increase in the dLGN total volume, or perhaps, to compensate ...
Full text - Ip Lab - Hong Kong University of Science and Technology
... Properties of ephrin/Eph underlying their role in synaptogenesis Introduction Neurons communicate with each other via chemical neurotransmission at synapses, morphologically and functionally specialized structures where synaptic vesicles are concentrated at the active zone of the pre-synaptic axon t ...
... Properties of ephrin/Eph underlying their role in synaptogenesis Introduction Neurons communicate with each other via chemical neurotransmission at synapses, morphologically and functionally specialized structures where synaptic vesicles are concentrated at the active zone of the pre-synaptic axon t ...
Cell-autonomous shift from axial to paraxial mesodermal
... flh+ function is not essential for floor plate differentiation In zebrafish embryos, the floor plate is normally present as a continuous row of cells extending throughout the length of the midbrain, hindbrain and spinal cord (Hatta, 1992). As shown above (Fig. 1C), floor plate is discontinuous in th ...
... flh+ function is not essential for floor plate differentiation In zebrafish embryos, the floor plate is normally present as a continuous row of cells extending throughout the length of the midbrain, hindbrain and spinal cord (Hatta, 1992). As shown above (Fig. 1C), floor plate is discontinuous in th ...
Functional Clustering Drives Encoding Improvement in a
... presented to the left eye of awake, immobilized Xenopus tadpoles while imaging the right optic tectum. Neurons in the tectum (green circles) extend dendrites to receive visual input from retinal ganglion cells (red) of the contralateral eye. (b) Transmitted light image of a tadpole brain seen throug ...
... presented to the left eye of awake, immobilized Xenopus tadpoles while imaging the right optic tectum. Neurons in the tectum (green circles) extend dendrites to receive visual input from retinal ganglion cells (red) of the contralateral eye. (b) Transmitted light image of a tadpole brain seen throug ...
Dendrite structure
... offset by an apical stem. Nearly 20 kinds of retinal ganglion cells can be distinguished by their dendritic arborization patterns (Sterling 1990). Three basic types, alpha, beta, and gamma cells (Wingate et al. 1992), are easily distinguished physiologically (Fukuda et al. 1984). Apparently the patt ...
... offset by an apical stem. Nearly 20 kinds of retinal ganglion cells can be distinguished by their dendritic arborization patterns (Sterling 1990). Three basic types, alpha, beta, and gamma cells (Wingate et al. 1992), are easily distinguished physiologically (Fukuda et al. 1984). Apparently the patt ...
Intracellular study of rat substantia nigra pars reticulata neurons in
... lanzing currents and decreased dunng depolarizing currents (Fig 5A,B) STH stimulation with various Postsyna?UCresponses evoked by STH stimulation intensities revealed that the latency of the earliest It was commonly observed that STH stimulation and second components ~howed shght and graded evoked r ...
... lanzing currents and decreased dunng depolarizing currents (Fig 5A,B) STH stimulation with various Postsyna?UCresponses evoked by STH stimulation intensities revealed that the latency of the earliest It was commonly observed that STH stimulation and second components ~howed shght and graded evoked r ...