Experimental spinal cord transplantation as a mechanism of
... tions for the transplanted fetal tissue or cell lines in the spinal cord. They are a source of new neurons and glia in an injured or diseased spinal cord. The grafted cells survive for long periods of time. Classes of host nerve fibers can use the graft as a bridge and grow through the graft. Nerve ...
... tions for the transplanted fetal tissue or cell lines in the spinal cord. They are a source of new neurons and glia in an injured or diseased spinal cord. The grafted cells survive for long periods of time. Classes of host nerve fibers can use the graft as a bridge and grow through the graft. Nerve ...
THE PERIPHERAL NERVOUS SYSTEM AND REFLEX ACTIVITY
... Each spinal nerve connects to the spinal cord by a dorsal root and a ventral root Rami lie distal to and are lateral branches of the spinal nerves that carry both motor and sensory fibers The back is innervated by the dorsal rami with each rami innervating the muscle in line with the point of origin ...
... Each spinal nerve connects to the spinal cord by a dorsal root and a ventral root Rami lie distal to and are lateral branches of the spinal nerves that carry both motor and sensory fibers The back is innervated by the dorsal rami with each rami innervating the muscle in line with the point of origin ...
The Distribution of Chandelier Cell Axon Terminals that Express the
... and density of Ch-terminals in various cytoarchitectonic and functional areas of the human neocortex. The lowest density of GAT-1-immuoreactive (-ir) Ch-terminals was detected in the primary and secondary visual (areas 17 and 18) and in the somatosensory areas (areas 3b and 1). In contrast, an inter ...
... and density of Ch-terminals in various cytoarchitectonic and functional areas of the human neocortex. The lowest density of GAT-1-immuoreactive (-ir) Ch-terminals was detected in the primary and secondary visual (areas 17 and 18) and in the somatosensory areas (areas 3b and 1). In contrast, an inter ...
Synaptic and peptidergic connectome of a neurosecretory
... Neurosecretory centres in animal brains use peptidergic signalling to influence physiology and behaviour. Understanding neurosecretory centre function requires mapping cell types, synapses, and peptidergic networks. Here we use electron microscopy and gene expression mapping to analyse the synaptic ...
... Neurosecretory centres in animal brains use peptidergic signalling to influence physiology and behaviour. Understanding neurosecretory centre function requires mapping cell types, synapses, and peptidergic networks. Here we use electron microscopy and gene expression mapping to analyse the synaptic ...
A first-principle for the nervous system
... cue stimulus step-by-step towards a specific one leads to corresponding changes in the retrieved memories from a general to a specific one. The cue-directed rapid induction of changing memory is expected to result from the natural computation of several units of internal sensations. During associati ...
... cue stimulus step-by-step towards a specific one leads to corresponding changes in the retrieved memories from a general to a specific one. The cue-directed rapid induction of changing memory is expected to result from the natural computation of several units of internal sensations. During associati ...
Neural mechanisms underlying the evolvability of behaviour
... Having a single receptor gene expressed per sensory cell has been thought to be important for the circuits to encode differences in the responses to each of the receptor types. It was asserted that there may be developmental mechanisms present in many sensory systems across phyla, which allow just a ...
... Having a single receptor gene expressed per sensory cell has been thought to be important for the circuits to encode differences in the responses to each of the receptor types. It was asserted that there may be developmental mechanisms present in many sensory systems across phyla, which allow just a ...
Microcircuits in visual cortex Kevan AC Martin
... stimulus placed anywhere in the receptive field gives the same ...
... stimulus placed anywhere in the receptive field gives the same ...
Realizing Biological Spiking Network Models in a Configurable
... system using on-chip and post-processing lines for intrawafer communication (“Layer-1”). Second, a packet-based dynamic routing network implemented by separate custom hardware components which interface the network chips via contacts on the wafer surface (“Layer-2”). Layer-2 is used mainly for inter ...
... system using on-chip and post-processing lines for intrawafer communication (“Layer-1”). Second, a packet-based dynamic routing network implemented by separate custom hardware components which interface the network chips via contacts on the wafer surface (“Layer-2”). Layer-2 is used mainly for inter ...
Hippocampus – Why is it studied so frequently?
... of the dentate gyrus granule cells (mossy fibers) are excitatory glutamatergic but also contain GABA and the opiate peptide dynorphin 22, 23. Beside the granule cells, in the granular layer are also excitatory mossy cells and inhibitory interneurons. Mossy cells have extensive ramification reminding ...
... of the dentate gyrus granule cells (mossy fibers) are excitatory glutamatergic but also contain GABA and the opiate peptide dynorphin 22, 23. Beside the granule cells, in the granular layer are also excitatory mossy cells and inhibitory interneurons. Mossy cells have extensive ramification reminding ...
Vertebrate brains and evolutionary connectomics: on the origins of
... organized in a laminated ‘cortical’ manner, with distinct cortical areas dedicated to individual sensory modalities or motor functions. The two major regions of the telencephalon, the basal ventricular ridge (BVR) and the dorsal ventricular ridge (DVR), were loosely referred to as being akin to the ...
... organized in a laminated ‘cortical’ manner, with distinct cortical areas dedicated to individual sensory modalities or motor functions. The two major regions of the telencephalon, the basal ventricular ridge (BVR) and the dorsal ventricular ridge (DVR), were loosely referred to as being akin to the ...
Document
... to develop • Visual cortex develops slowly over the first 11 weeks • Growth and maturation of the nervous system occurs throughout childhood and reflects progressive myelination • Age brings some cognitive declines, but these are not significant in healthy individuals until they reach their 80s • Ex ...
... to develop • Visual cortex develops slowly over the first 11 weeks • Growth and maturation of the nervous system occurs throughout childhood and reflects progressive myelination • Age brings some cognitive declines, but these are not significant in healthy individuals until they reach their 80s • Ex ...
Article - Dynamic Connectome Lab
... neuronal dynamics, including optical imaging methods (voltage-sensitive dye imaging, calcium imaging, intrinsic signal optical imaging), intracellular electrode recordings of individual neurons, and extracellular recordings using single or multiple electrodes (Brette and Destexhe 2012). While each m ...
... neuronal dynamics, including optical imaging methods (voltage-sensitive dye imaging, calcium imaging, intrinsic signal optical imaging), intracellular electrode recordings of individual neurons, and extracellular recordings using single or multiple electrodes (Brette and Destexhe 2012). While each m ...
a needle into the sub- and the dorsal funiculi. Preganglionic
... dorsal spinocerebellar tract. The ventral spinocerebellar tract originates from cells in lamrnae V-M and Vll as well as from neurons with cell bodies at the edge of the gray matter of the ventral horn in the lumbar segments. The latter are known as spinal border cells. The intermediolateral cell col ...
... dorsal spinocerebellar tract. The ventral spinocerebellar tract originates from cells in lamrnae V-M and Vll as well as from neurons with cell bodies at the edge of the gray matter of the ventral horn in the lumbar segments. The latter are known as spinal border cells. The intermediolateral cell col ...
The Superior Olivary Nucleus and Its Influence on Nucleus
... E xperiments were performed using both in vivo (10- to 12-d-old postnatal chicken) and in vitro preparations (E18- to E20-d-old). In vivo studies were aimed at f urther characterizing the projection pattern of the SON into NA, NM, and N L. In vitro studies investigated the physiology and morphology ...
... E xperiments were performed using both in vivo (10- to 12-d-old postnatal chicken) and in vitro preparations (E18- to E20-d-old). In vivo studies were aimed at f urther characterizing the projection pattern of the SON into NA, NM, and N L. In vitro studies investigated the physiology and morphology ...
Pathfinding in Computer Games
... E – Edges: A set of connections between the vertices, which can be either directed or not ...
... E – Edges: A set of connections between the vertices, which can be either directed or not ...
Computational themes of peripheral processing
... modulation of a signal by the auditory receptor neurons (Machens et al. 2001) needs to be processed in a way that higher level neurons are able to compute the correct decision in a robust way (Creutzig et al. 2009; Fig. 1). In the following, we focus on the well-investigated transformation and repre ...
... modulation of a signal by the auditory receptor neurons (Machens et al. 2001) needs to be processed in a way that higher level neurons are able to compute the correct decision in a robust way (Creutzig et al. 2009; Fig. 1). In the following, we focus on the well-investigated transformation and repre ...
The Nervous System in Lumbriculus variegatus
... conduction along the entire fiber. The giant nerve fibers in Lumbriculus are tightly wrapped by glial cell membranes, except at points where small branches emerge ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same f ...
... conduction along the entire fiber. The giant nerve fibers in Lumbriculus are tightly wrapped by glial cell membranes, except at points where small branches emerge ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same f ...
ANATOMY OF THE CENTRAL NERVOUS SYSTEM
... conduction along the entire fiber. The giant nerve fibers in Lumbriculus are tightly wrapped by glial cell membranes, except at points where small branches emerge ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same f ...
... conduction along the entire fiber. The giant nerve fibers in Lumbriculus are tightly wrapped by glial cell membranes, except at points where small branches emerge ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same f ...
(2) - JUdoctors
... **the respiratory diverticulum (lung bud) appears as an outgrowth from the ventral wall of the foregut (pharynx ) at the 4th week . ** the location & the time of lung bud appearance are determined by signals from the surrounding mesenchyme > heredity box or gene box , these signals including fibrobl ...
... **the respiratory diverticulum (lung bud) appears as an outgrowth from the ventral wall of the foregut (pharynx ) at the 4th week . ** the location & the time of lung bud appearance are determined by signals from the surrounding mesenchyme > heredity box or gene box , these signals including fibrobl ...
Citron-Kinase, a Protein Essential to Cytokinesis in Neuronal
... within clones isolated from exon 1 of fh/fh genomic DNA (chromatograms not shown). In addition, we find that the kinase domain of Citron-K gene is present in three P1 clones in a P1 contig of rat chromosome 12 that contains D12Rat55, which maps to the flathead mutation. Together, these results suggest ...
... within clones isolated from exon 1 of fh/fh genomic DNA (chromatograms not shown). In addition, we find that the kinase domain of Citron-K gene is present in three P1 clones in a P1 contig of rat chromosome 12 that contains D12Rat55, which maps to the flathead mutation. Together, these results suggest ...
Sensory signals during active versus passive movement
... Sensory signals during active versus passive movement Kathleen E Cullen Our sensory systems are simultaneously activated as the result of our own actions and changes in the external world. The ability to distinguish self-generated sensory events from those that arise externally is thus essential for ...
... Sensory signals during active versus passive movement Kathleen E Cullen Our sensory systems are simultaneously activated as the result of our own actions and changes in the external world. The ability to distinguish self-generated sensory events from those that arise externally is thus essential for ...
The Biology
... Because it evolved very early, the [a] _______________ of the brain is referred to as the old brain. It is composed of the medulla, which controls functions like breathing and heartbeat; the pons, which transmits information helping to coordinate muscle activity on the right and left halves of the b ...
... Because it evolved very early, the [a] _______________ of the brain is referred to as the old brain. It is composed of the medulla, which controls functions like breathing and heartbeat; the pons, which transmits information helping to coordinate muscle activity on the right and left halves of the b ...
22. May 2014 Examination NEVR2010 There are two types
... 2. Why are isomeres interesting when studying the mechanism of drugs? (2) 3. What are the four major elements of a modeling process? (2) 4. What is a genetic polymorphism? (1) 5. Describe the significance of ‘Griffith’s experiment’ for the development of molecular biology. (2) 6. Describe the functi ...
... 2. Why are isomeres interesting when studying the mechanism of drugs? (2) 3. What are the four major elements of a modeling process? (2) 4. What is a genetic polymorphism? (1) 5. Describe the significance of ‘Griffith’s experiment’ for the development of molecular biology. (2) 6. Describe the functi ...
Some insights into computational models of (patho)physiological
... its functions offers a great challenge to biological and physical sciences. Neurobiological research yields new and detailed knowledge at a very high rate but it is becoming clear that to understand how the brain works it is not enough to accumulate continuously more and more facts. In order to acqu ...
... its functions offers a great challenge to biological and physical sciences. Neurobiological research yields new and detailed knowledge at a very high rate but it is becoming clear that to understand how the brain works it is not enough to accumulate continuously more and more facts. In order to acqu ...