Distribution of Calbindin D28k-like lmmunoreactivity (LI)
... 1985b; Fyffe, 1990), have revealed that these cells are almost invariably located in the ventral portion of lamina VII, medial to the main lateral motor nucleus, but can occasionally also be found within the motor nucleus (Fyffe, 1990). The size of the positive neurons in this study (mean, 23.3 pm) ...
... 1985b; Fyffe, 1990), have revealed that these cells are almost invariably located in the ventral portion of lamina VII, medial to the main lateral motor nucleus, but can occasionally also be found within the motor nucleus (Fyffe, 1990). The size of the positive neurons in this study (mean, 23.3 pm) ...
Neuronal morphology in the African elephant (Loxodonta africana
... branches arising from the soma are first-order segments until they bifurcate into second-order segments, which branch into third-order segments, and so on. In addition to noting soma size (as apparent surface area in lm2) and soma depth from the pial surface, five previously established measures (Ja ...
... branches arising from the soma are first-order segments until they bifurcate into second-order segments, which branch into third-order segments, and so on. In addition to noting soma size (as apparent surface area in lm2) and soma depth from the pial surface, five previously established measures (Ja ...
Kalirin, a Multifunctional Rho Guanine Nucleotide Exchange Factor
... inserted into pCMS cut with EcoRI, blunted, and cut with NotI. This yields a His6-myc-Kal-GEF1 construct under the control of the CMV promoter (May et al., 2002). pCMS-GFP-Kal-antisense. PCR primers were designed to excise the fragment encoding E 738-LFHERK to KEYGE-F 1150 of Kalirin-7 with NotI–Spe ...
... inserted into pCMS cut with EcoRI, blunted, and cut with NotI. This yields a His6-myc-Kal-GEF1 construct under the control of the CMV promoter (May et al., 2002). pCMS-GFP-Kal-antisense. PCR primers were designed to excise the fragment encoding E 738-LFHERK to KEYGE-F 1150 of Kalirin-7 with NotI–Spe ...
PDF
... densely packed. In the vitreal part there are swollen cisternae of rough endoplasmic reticulum. They are not numerous but very conspicuous, forming a sort of network between each other and the nuclear membrane. Besides the aggregated ribosomes there are many Golgi lamellae, vitreo-scleral directed f ...
... densely packed. In the vitreal part there are swollen cisternae of rough endoplasmic reticulum. They are not numerous but very conspicuous, forming a sort of network between each other and the nuclear membrane. Besides the aggregated ribosomes there are many Golgi lamellae, vitreo-scleral directed f ...
text - Systems Neuroscience Course, MEDS 371, Univ. Conn. Health
... representing current circumstances and their associated memories. These signals converge on groups of matrix cells that represent various actions and bias the medium spiny neurons toward excitation. The full excitation of cells in a matrix group also depends on two additional inputs; dopaminergic a ...
... representing current circumstances and their associated memories. These signals converge on groups of matrix cells that represent various actions and bias the medium spiny neurons toward excitation. The full excitation of cells in a matrix group also depends on two additional inputs; dopaminergic a ...
Lecture 7
... swelling called the synaptic ________________ Between the synaptic knob and the next cell there is a 20-40 nm gap called the synaptic ____________________ A nerve signal arrives at the end of the presynaptic neuron and triggers the release of neurotransmitters that either excite or inhibit the p ...
... swelling called the synaptic ________________ Between the synaptic knob and the next cell there is a 20-40 nm gap called the synaptic ____________________ A nerve signal arrives at the end of the presynaptic neuron and triggers the release of neurotransmitters that either excite or inhibit the p ...
The Human Brain: An Introduction to Its Functional Anatomy. By
... ‐‐ (2) External granular layer: small pyramidal cells, interneurons. ‐‐ (3) External pyramidal layer: pyramidal cells. ‐‐ (4) Internal granular layer: pyramidal cells, stellate cells, interneurons. ‐‐ (5) Internal pyramidal layer: Larger pyramidal cells, giant pyramidal cells, interneurons. ...
... ‐‐ (2) External granular layer: small pyramidal cells, interneurons. ‐‐ (3) External pyramidal layer: pyramidal cells. ‐‐ (4) Internal granular layer: pyramidal cells, stellate cells, interneurons. ‐‐ (5) Internal pyramidal layer: Larger pyramidal cells, giant pyramidal cells, interneurons. ...
begin
... Continuation of the Nerve Impulse between Neurons Impulses are able to cross the synapse to another nerve Neurotransmitter is released from a nerve’s axon terminal The dendrite of the next neuron has receptors that are stimulated by the neurotransmitter An action potential is started in the ...
... Continuation of the Nerve Impulse between Neurons Impulses are able to cross the synapse to another nerve Neurotransmitter is released from a nerve’s axon terminal The dendrite of the next neuron has receptors that are stimulated by the neurotransmitter An action potential is started in the ...
Chapter 12 Functional Organization of the Nervous System
... presynaptic terminal by monoamine oxidase (MAO). 3. The neurotransmitter diffuses out of the synaptic cleft. D. Receptor molecules in synapses 1. Receptors for neurotransmitters are specific. 2. A neurotransmitter can bind to several different receptor types a. Therefore a neurotransmitter can be st ...
... presynaptic terminal by monoamine oxidase (MAO). 3. The neurotransmitter diffuses out of the synaptic cleft. D. Receptor molecules in synapses 1. Receptors for neurotransmitters are specific. 2. A neurotransmitter can bind to several different receptor types a. Therefore a neurotransmitter can be st ...
Document
... Research in Dr. Jaffe’s lab focuses on the hippocampal formation; a brain region important for certain aspects of learning and memory. It is also one of the first brain structures affected by Alzheimer's disease and medial temporal lobe epilepsy arises in the hippocampus, among other brain structure ...
... Research in Dr. Jaffe’s lab focuses on the hippocampal formation; a brain region important for certain aspects of learning and memory. It is also one of the first brain structures affected by Alzheimer's disease and medial temporal lobe epilepsy arises in the hippocampus, among other brain structure ...
Building silicon nervous systems with dendritic tree neuromorphs
... examples described, we use trees with 3 − 8 primary branches connected to a "soma", but higher order branching structures more complex than that of Figure 5.1 are possible. In order to make the dendrites reasonably compact, the membrane capacitors, Cm, should be physically small, which means their ...
... examples described, we use trees with 3 − 8 primary branches connected to a "soma", but higher order branching structures more complex than that of Figure 5.1 are possible. In order to make the dendrites reasonably compact, the membrane capacitors, Cm, should be physically small, which means their ...
Large-scale recording of neuronal ensembles
... spikes outside of place field with low level of activity (top) and in the middle of field with maximum as they relate to behavior, without reference activity (bottom), respectively. (b) In vivo intracellular recording from the proximal apical dendrite of a to the types of neurons that give rise to t ...
... spikes outside of place field with low level of activity (top) and in the middle of field with maximum as they relate to behavior, without reference activity (bottom), respectively. (b) In vivo intracellular recording from the proximal apical dendrite of a to the types of neurons that give rise to t ...
Topic 5
... Typically the channel created by the grouping of proteins is called a connexon. However, as shown here, the term connexon can also be applied to the aggregate cluster of proteins. ...
... Typically the channel created by the grouping of proteins is called a connexon. However, as shown here, the term connexon can also be applied to the aggregate cluster of proteins. ...
Optimal Sizes of Dendritic and Axonal Arbors
... I consider a topographic projection between two neuronal layers with different densities of neurons. Given the number of output neurons connected to each input neuron (divergence or fan-out) and the number of input neurons synapsing on each output neuron (convergence or fan-in) I determine the width ...
... I consider a topographic projection between two neuronal layers with different densities of neurons. Given the number of output neurons connected to each input neuron (divergence or fan-out) and the number of input neurons synapsing on each output neuron (convergence or fan-in) I determine the width ...
Brain calculus: neural integration and persistent activity
... these studies extend its possible role in these processes. These results have broad implications for understanding the general operation of neural networks, because the activation of persistent neuronal discharge in response to brief stimuli is prevalent throughout the nervous system. Prominent exam ...
... these studies extend its possible role in these processes. These results have broad implications for understanding the general operation of neural networks, because the activation of persistent neuronal discharge in response to brief stimuli is prevalent throughout the nervous system. Prominent exam ...
39_LectureSlides
... In the embryo, neighboring ganglion cells fire together in synchronous bursts or “waves” This spontaneous but synchronous firing of retinal afferent fibers excites a group of target neurons in the LGN, and strengthens those synapses. ...
... In the embryo, neighboring ganglion cells fire together in synchronous bursts or “waves” This spontaneous but synchronous firing of retinal afferent fibers excites a group of target neurons in the LGN, and strengthens those synapses. ...
What We Can and What We Can`t Do with fMRI
... of GABAergic interneurons. These interneurons can receive both excitatory and inhibitory synapses onto their somata and have only local connections. Approximately 85% of them, in turn, innervate the local pyramidal cells. Different GABA-ergic cells target different subdomains of neurons. Some, e.g., ...
... of GABAergic interneurons. These interneurons can receive both excitatory and inhibitory synapses onto their somata and have only local connections. Approximately 85% of them, in turn, innervate the local pyramidal cells. Different GABA-ergic cells target different subdomains of neurons. Some, e.g., ...
PDF
... that Sip1, a transcription repressor, is a master regulator of this feedback mechanism. Within postmitotic neurons it controls Fgf9 expression, which in turn regulates this shift. Furthermore, in Sip1 mutants the neocortex contains more UL and fewer DL neurons (Seuntjens et al., 2009). However, it i ...
... that Sip1, a transcription repressor, is a master regulator of this feedback mechanism. Within postmitotic neurons it controls Fgf9 expression, which in turn regulates this shift. Furthermore, in Sip1 mutants the neocortex contains more UL and fewer DL neurons (Seuntjens et al., 2009). However, it i ...
High-Resolution Labeling and Functional Manipulation of Specific
... Several Thy1-GFP and -YFP transgenic lines have been successfully used to image structural dynamics in glutamatergic pyramidal neurons in-vivo [26–28], largely because the fluorescent signal is intense (likely due to multiple copies of the transgene) in sparsely labeled neurons. The intensity of GFP ...
... Several Thy1-GFP and -YFP transgenic lines have been successfully used to image structural dynamics in glutamatergic pyramidal neurons in-vivo [26–28], largely because the fluorescent signal is intense (likely due to multiple copies of the transgene) in sparsely labeled neurons. The intensity of GFP ...
chapter 11 the somatosensory system and topographic organization
... and inhibitory neurons with receptive fields in another area, the target cell’s activity will be increased by activity in the excitatory inputs and decreased by activity in the inhibitory inputs. 11.3.1.1. Cutaneous receptive fields and sensory maps of the body. Information from the cutaneous recep ...
... and inhibitory neurons with receptive fields in another area, the target cell’s activity will be increased by activity in the excitatory inputs and decreased by activity in the inhibitory inputs. 11.3.1.1. Cutaneous receptive fields and sensory maps of the body. Information from the cutaneous recep ...
Lecture 2 Powerpoint file
... potentials – depolarization at one end of cell body leads to extracellular currents that can be measured on the scalp! ...
... potentials – depolarization at one end of cell body leads to extracellular currents that can be measured on the scalp! ...
CHAPTER 15 THE CENTRAL VISUAL PATHWAYS
... Although much processing takes place in the retina, even more takes place in the central nervous system. At every level of the visual system, there is one obvious organizational principle. This is the systematic representation of different points in the visual field across a population of neurons. S ...
... Although much processing takes place in the retina, even more takes place in the central nervous system. At every level of the visual system, there is one obvious organizational principle. This is the systematic representation of different points in the visual field across a population of neurons. S ...