5104-c2
... • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony could be predicted from the magnitude of coupling. • In wild ...
... • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony could be predicted from the magnitude of coupling. • In wild ...
Identification of Dopaminergic Neurons of Nigral and Ventral
... suggested that these two DA neuron types may differ in their growth characteristics, but, because of technical limitations, it has so far been difficult to identify the two subtypes in fetal ventral mesencephalon (VM) grafts and trace their axonal projections. Here, we have made use of a transgenic ...
... suggested that these two DA neuron types may differ in their growth characteristics, but, because of technical limitations, it has so far been difficult to identify the two subtypes in fetal ventral mesencephalon (VM) grafts and trace their axonal projections. Here, we have made use of a transgenic ...
Redgrave - people.vcu.edu
... feature can elicit a phasic DA response. Recent analyses of cortical visual processing (for reviews, see REFS 51,52) indicate that signals related to the identity of objects can be recorded in the inferotemporal cortex ~80–100 ms after stimulus onset. By this time many of the DA neurons have already ...
... feature can elicit a phasic DA response. Recent analyses of cortical visual processing (for reviews, see REFS 51,52) indicate that signals related to the identity of objects can be recorded in the inferotemporal cortex ~80–100 ms after stimulus onset. By this time many of the DA neurons have already ...
Human Anatomy Unit 6 – Chapter 8 – Nervous System Work List
... The Moving Impulse A neuron remains in its resting state until it receives a stimulus large enough to start a nerve impulse. The impulse causes a movement of ions across the cell membrane. An impulse begins when a neuron is stimulated by another neuron or by the environment. Once it begins, the impu ...
... The Moving Impulse A neuron remains in its resting state until it receives a stimulus large enough to start a nerve impulse. The impulse causes a movement of ions across the cell membrane. An impulse begins when a neuron is stimulated by another neuron or by the environment. Once it begins, the impu ...
Full Text
... between chick and Xenopus. Schematic sagittal (A) and external (B) views of predicted gastrulation movements of chick and Xenopus are shown. As seen in A, the Xenopus early gastrula is shown upside down. The blastocoel roof ectoderm was cut and opened in order to make it easy to compare Xenopus gast ...
... between chick and Xenopus. Schematic sagittal (A) and external (B) views of predicted gastrulation movements of chick and Xenopus are shown. As seen in A, the Xenopus early gastrula is shown upside down. The blastocoel roof ectoderm was cut and opened in order to make it easy to compare Xenopus gast ...
Arsani William - Therapeutic Future of iPS
... laboratory at Kyoto University, retroviruses were used to transfect mouse fibroblast cells and transform them into functional pluripotent stem cells. These induced pluripotent stem cells (iPS) were both morphologically and biochemically identical to the embryonic stem cells, which have been the targ ...
... laboratory at Kyoto University, retroviruses were used to transfect mouse fibroblast cells and transform them into functional pluripotent stem cells. These induced pluripotent stem cells (iPS) were both morphologically and biochemically identical to the embryonic stem cells, which have been the targ ...
Electrical Control of Behavior: The Nervous System
... Not only do neural signals travel via electrical charges within a neuron, but they also travel via chemical transmission between the neurons. Neurons are separated by junction areas known as synapses, areas where the terminal buttons at the end of the axon of one neuron nearly, but don’t quite, touc ...
... Not only do neural signals travel via electrical charges within a neuron, but they also travel via chemical transmission between the neurons. Neurons are separated by junction areas known as synapses, areas where the terminal buttons at the end of the axon of one neuron nearly, but don’t quite, touc ...
The Spinal Cord
... within bony vertebral canal. The spinal cord is divided into segments that correspond to the segments of the bony vertebral column (cervical, thoracic,lumber….).The spinal nerve fibers of the spinal nerves enter and exit the cord at each segment. The spinal cord is somewhat oval on transverse sectio ...
... within bony vertebral canal. The spinal cord is divided into segments that correspond to the segments of the bony vertebral column (cervical, thoracic,lumber….).The spinal nerve fibers of the spinal nerves enter and exit the cord at each segment. The spinal cord is somewhat oval on transverse sectio ...
Aggregate Input-Output Models of Neuronal Populations
... order statistics such as cross-correlation and coherence measures are often used to gauge the relationship between the spiking activity of pairs of neurons [4], [5]. However, these are limited measures that provide snapshots of interactions between individual neurons from different regions. They she ...
... order statistics such as cross-correlation and coherence measures are often used to gauge the relationship between the spiking activity of pairs of neurons [4], [5]. However, these are limited measures that provide snapshots of interactions between individual neurons from different regions. They she ...
neuron number decreases in the rat ventral, but not dorsal, medial
... pattern is observed. The posterior boundary of the dorsal mPFC is marked by a much denser layer II and a layer III which is clearly distinguishable from both layers II and V. Parcellation for the entire study was conducted for groups of litter-matched animals by a single experimenter who was blind t ...
... pattern is observed. The posterior boundary of the dorsal mPFC is marked by a much denser layer II and a layer III which is clearly distinguishable from both layers II and V. Parcellation for the entire study was conducted for groups of litter-matched animals by a single experimenter who was blind t ...
full text pdf
... between six and ten hours APF. The dendritic remnants are then phagocytosed by the epidermal cells surrounding the dendrite (Han et al., 2014) (Fig. 2A, B). To this end, epidermal cells use the receptor Draper, a homolog of the glial synapse receptor MEGF10. By 16 hours APF, c4da neuron dendrite pru ...
... between six and ten hours APF. The dendritic remnants are then phagocytosed by the epidermal cells surrounding the dendrite (Han et al., 2014) (Fig. 2A, B). To this end, epidermal cells use the receptor Draper, a homolog of the glial synapse receptor MEGF10. By 16 hours APF, c4da neuron dendrite pru ...
Use of lipophilic dyes in studies of axonal pathfinding in vivo
... During the development of the nervous system, axons have to navigate through the preexisting tissue and to establish correct connections with their targets. For this purpose, the axon has a highly motile structure at its tip that acts as a sensor for guidance cues presented by the environment (Vogt ...
... During the development of the nervous system, axons have to navigate through the preexisting tissue and to establish correct connections with their targets. For this purpose, the axon has a highly motile structure at its tip that acts as a sensor for guidance cues presented by the environment (Vogt ...
RESOURCE - Synthetic Neurobiology Group
... A recent innovation in experimental neuroscience has been the development of light-activated channels or pumps, derived from microbial photosynthetic systems, to modulate neural activity, known as opto genetics. The best-known prototypes for the application of optical control in neurons include the ...
... A recent innovation in experimental neuroscience has been the development of light-activated channels or pumps, derived from microbial photosynthetic systems, to modulate neural activity, known as opto genetics. The best-known prototypes for the application of optical control in neurons include the ...
analgesia system.
... – Act at many other points in the analgesia system, including the dorsal horns of the spinal cord ...
... – Act at many other points in the analgesia system, including the dorsal horns of the spinal cord ...
Topography of Modular Subunits in the Mushroom Bodies of the
... each slab, thus interacting with the axons of only less than half of Kenyon cells that constitute each slab (Fig. 6B). Different extrinsic neurons with segmented dendrites appear to interact with different sets of dark or light slabs: dendrites of some neurons cover up to 13–14 slabs, whereas those ...
... each slab, thus interacting with the axons of only less than half of Kenyon cells that constitute each slab (Fig. 6B). Different extrinsic neurons with segmented dendrites appear to interact with different sets of dark or light slabs: dendrites of some neurons cover up to 13–14 slabs, whereas those ...
Regional Organization of Pre-pacemaker Cells in the Cardiac
... as indicating, necessarily, a distribution within the heart-forming regions at these early stages of pre-pacemaker cells, already determined to be appropriate for conus or ventricle, atrium or sinus. This is one possibility. However, an equally plausible hypothesis is that the organization of the me ...
... as indicating, necessarily, a distribution within the heart-forming regions at these early stages of pre-pacemaker cells, already determined to be appropriate for conus or ventricle, atrium or sinus. This is one possibility. However, an equally plausible hypothesis is that the organization of the me ...
Pathfinding by cranial nerve VII (facial) motorneurons
... rhombomeres 4 and 5 (Fig. 2A). The motorneuron cell bodies are located bilaterally along the midline, and they rapidly extend axons. A few hours later, at HH stage 14~, facial motorneuron axons have projected laterally in both R4 and R5 (Fig. 2B), and another few hours later, at HH stage 14 + , R4 m ...
... rhombomeres 4 and 5 (Fig. 2A). The motorneuron cell bodies are located bilaterally along the midline, and they rapidly extend axons. A few hours later, at HH stage 14~, facial motorneuron axons have projected laterally in both R4 and R5 (Fig. 2B), and another few hours later, at HH stage 14 + , R4 m ...
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INTERNEURONS OF THE NEOCORTICAL INHIBITORY SYSTEM
... axon commonly emerges from one of the primary dendrites and forms a narrow (<50 µm) band that crosses all layers (see online supplementary information S1 (table)). Bipolar neurons can be excitatory by releasing only VIP, or inhibitory by releasing mainly GABA (inhibitory BPCs also express VIP). Thei ...
... axon commonly emerges from one of the primary dendrites and forms a narrow (<50 µm) band that crosses all layers (see online supplementary information S1 (table)). Bipolar neurons can be excitatory by releasing only VIP, or inhibitory by releasing mainly GABA (inhibitory BPCs also express VIP). Thei ...
SPINAL ANATOMY - Circle of Docs
... 71. The cerebral aqueduct [Sylvius] connects A. the third and fourth ventricle B. the first and second ventricle C. the fourth ventricle with the spinal cord D. the lateral ventricles E. one cerebral peduncle with the ...
... 71. The cerebral aqueduct [Sylvius] connects A. the third and fourth ventricle B. the first and second ventricle C. the fourth ventricle with the spinal cord D. the lateral ventricles E. one cerebral peduncle with the ...
ACQ_and_the_Basal_Ganglia
... – The lateral hypothalamus does project to the SNc, VTA, and the ventral striatum (Saper et al., 1979; Fadel & Deutch, 2002; Brog et al., 1993) – The accumbens shell of the ventral striatum is reciprocally connected with the lateral hypothalamus and has been called a “sensory sentinel” or “visceral ...
... – The lateral hypothalamus does project to the SNc, VTA, and the ventral striatum (Saper et al., 1979; Fadel & Deutch, 2002; Brog et al., 1993) – The accumbens shell of the ventral striatum is reciprocally connected with the lateral hypothalamus and has been called a “sensory sentinel” or “visceral ...