On the Significance of Neuronal Giantism in Gastropods
... 1977; Spray et al., 1980; Dorsett and Sigger, 198 1). The largest known buccal cells may be those of the buccal ganglion of the cephalaspid Nuvanux. These neurons innervate the musculature of the large pharynx, driving its expansion during prey-capture (Spira and Bennett, 1972). In aeolid and dorida ...
... 1977; Spray et al., 1980; Dorsett and Sigger, 198 1). The largest known buccal cells may be those of the buccal ganglion of the cephalaspid Nuvanux. These neurons innervate the musculature of the large pharynx, driving its expansion during prey-capture (Spira and Bennett, 1972). In aeolid and dorida ...
Neural Mechanisms for Binaural Interactions in the Superior Olivary
... trapezoid body.” J. Neurophysol. 79 (1998): ...
... trapezoid body.” J. Neurophysol. 79 (1998): ...
Dopamine`s Actions in Primate Prefrontal Cortex
... before the saccadic motor response (presaccadic) or during or just after the response (postsaccadic); these cells are very reliant on AMPAR as well as NMDAR. Post-saccadic Response cells likely receive and respond to feedback regarding the motor response (corollary discharge). Both types of Response ...
... before the saccadic motor response (presaccadic) or during or just after the response (postsaccadic); these cells are very reliant on AMPAR as well as NMDAR. Post-saccadic Response cells likely receive and respond to feedback regarding the motor response (corollary discharge). Both types of Response ...
(< 50 m) non-transfected neurons using laser scanning
... The fluorescence images show that PSD-95 is highly concentrated in spines (Figure 1), where it associates with its ‘binders’ in the PSD (Figure S4A and S4B). PSD-95 unbinds with rate constant koff, and binds with rate constant kon. After unbinding, PSD-95 can escape the spine and diffuse along the d ...
... The fluorescence images show that PSD-95 is highly concentrated in spines (Figure 1), where it associates with its ‘binders’ in the PSD (Figure S4A and S4B). PSD-95 unbinds with rate constant koff, and binds with rate constant kon. After unbinding, PSD-95 can escape the spine and diffuse along the d ...
Single-Neuron Responses in Humans during Execution and
... Action observation/execution nonmatching neuron: a cell responding during action-observation in one condition and action-execution in a different condition (e.g., a cell responding to smile observation and frown execution). Action observation/execution matching neuron: a cell responding during both ...
... Action observation/execution nonmatching neuron: a cell responding during action-observation in one condition and action-execution in a different condition (e.g., a cell responding to smile observation and frown execution). Action observation/execution matching neuron: a cell responding during both ...
WHAT IS THE MAMMALIAN DENTATE GYRUS GOOD FOR? Alessandro Treves
... cell free. It comprises the dendrites of the dentate principal cells. In addition, it contains axons that originate in a limited number of sources, the main ones being the perforant path axons arising from the entorhinal cortex and the intrinsic associational and commissural systems which originate ...
... cell free. It comprises the dendrites of the dentate principal cells. In addition, it contains axons that originate in a limited number of sources, the main ones being the perforant path axons arising from the entorhinal cortex and the intrinsic associational and commissural systems which originate ...
Total number and volume of Von Economo neurons in the cerebral
... wiring organization in cetaceans (Hof and Van der Gucht, 2007). Nonetheless, neocortical complexity, extreme gyrification, and large size (Oelschläger and Oelschläger, 2002; Hof et al., 2005; Hof and Van der Gucht, 2007) represent remarkable features of the cetacean brain. Several hypotheses have b ...
... wiring organization in cetaceans (Hof and Van der Gucht, 2007). Nonetheless, neocortical complexity, extreme gyrification, and large size (Oelschläger and Oelschläger, 2002; Hof et al., 2005; Hof and Van der Gucht, 2007) represent remarkable features of the cetacean brain. Several hypotheses have b ...
Canonical computations of cerebral cortex
... factor of 10 over the same species [18], suggesting that the most salient evolutionary change in cortex has been enormous multiplication of the number of ‘units’ [e.g. 14]. The nature of this six-layer computation remains unclear. The classic picture [e.g. 19,20] is that feedforward input to a given ...
... factor of 10 over the same species [18], suggesting that the most salient evolutionary change in cortex has been enormous multiplication of the number of ‘units’ [e.g. 14]. The nature of this six-layer computation remains unclear. The classic picture [e.g. 19,20] is that feedforward input to a given ...
Association of type I neurons positive for NADPH
... subset has been identified within the parenchyma of the corpus callosum, where a role in circuitry might seem less likely. Since these neurons are more abundant in development, they have been considered as likely to figure in processes of axon guidance (Riederer et al., 2004; Niquille et al., 2009). I ...
... subset has been identified within the parenchyma of the corpus callosum, where a role in circuitry might seem less likely. Since these neurons are more abundant in development, they have been considered as likely to figure in processes of axon guidance (Riederer et al., 2004; Niquille et al., 2009). I ...
AIP
... was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the present study following injections in AIP and LIP, in agreement also with data of Anderse ...
... was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the present study following injections in AIP and LIP, in agreement also with data of Anderse ...
Prevalent Presence of Periodic Actin-spectrin-based
... cultured from mouse central and peripheral nervous systems, including excitatory and inhibitory neurons from several brain regions, as well as sensory and motor neurons. Quantitative analyses show that MPS is preferentially formed in axons in all neuronal types tested here: spectrin shows a long-ran ...
... cultured from mouse central and peripheral nervous systems, including excitatory and inhibitory neurons from several brain regions, as well as sensory and motor neurons. Quantitative analyses show that MPS is preferentially formed in axons in all neuronal types tested here: spectrin shows a long-ran ...
A Quantitative Map of the Circuit of Cat Primary Visual Cortex
... Let Sju be the number of synapses in cortical layer u (of cat area 17) formed by the presynaptic neurons of type j and Nu the number of neurons in layer u. In its simplest form, Peters’s rule states that the Sju synapses distribute evenly over the Nu potential target neurons (i.e., each neuron in la ...
... Let Sju be the number of synapses in cortical layer u (of cat area 17) formed by the presynaptic neurons of type j and Nu the number of neurons in layer u. In its simplest form, Peters’s rule states that the Sju synapses distribute evenly over the Nu potential target neurons (i.e., each neuron in la ...
The Autonomic Nervous System
... myocytes in muscles of the pharynx during swallowing AND some autonomic neurons controlling contraction of cardiac myocytes and of smooth myocytes in the digestive sstem ...
... myocytes in muscles of the pharynx during swallowing AND some autonomic neurons controlling contraction of cardiac myocytes and of smooth myocytes in the digestive sstem ...
Synaptic Neurotransmission and the Anatomically Addressed
... neurons, can occur in mature human brains, it is perhaps equally shocking that - periodically throughout the life cycle and under certain specific conditions - neurons decide to kill themselves in a type of molecular hari-kari called apoptosis (Figures 2-1, 2-2, and 2-10). In fact, up to 90% of the ...
... neurons, can occur in mature human brains, it is perhaps equally shocking that - periodically throughout the life cycle and under certain specific conditions - neurons decide to kill themselves in a type of molecular hari-kari called apoptosis (Figures 2-1, 2-2, and 2-10). In fact, up to 90% of the ...
Lineage origins of GABAergic versus glutamatergic neurons in the
... hindbrain and spinal cord. By contrast, layer IV spiny stellate neurons receive most of the inputs from the thalamus and project locally within the neocortex, while layer II and III projection neurons form connections within the cortical hemispheres and between them (Figure 1). It is worth noting, h ...
... hindbrain and spinal cord. By contrast, layer IV spiny stellate neurons receive most of the inputs from the thalamus and project locally within the neocortex, while layer II and III projection neurons form connections within the cortical hemispheres and between them (Figure 1). It is worth noting, h ...
chapt12_lecturenew
... – axoplasm – cytoplasm of axon – axolemma – plasma membrane of axon – only one axon per neuron – Schwann cells and myelin sheath enclose axon – distal end, axon has terminal arborization – extensive complex of fine branches ...
... – axoplasm – cytoplasm of axon – axolemma – plasma membrane of axon – only one axon per neuron – Schwann cells and myelin sheath enclose axon – distal end, axon has terminal arborization – extensive complex of fine branches ...
Huber et al. (2008), Sparse optical microstimulation in barrel cortex
... and the probability of spiking of ChR2–GFP-expressing neurons. During cell-attached recordings we stimulated with 1 ms light pulses while varying the photostimulus. With decreasing light intensity, neurons switched abruptly from firing action potentials with high probability to firing no action pote ...
... and the probability of spiking of ChR2–GFP-expressing neurons. During cell-attached recordings we stimulated with 1 ms light pulses while varying the photostimulus. With decreasing light intensity, neurons switched abruptly from firing action potentials with high probability to firing no action pote ...
Lecture 9B
... • Isochronicity in at least some neuronal networks seems to be achieved via differential myelination and myelination may be experience-dependent. • Considering the many variables affecting conduction delays in an adult brain, genetic instruction alone would seem inadequate to specify the optimal con ...
... • Isochronicity in at least some neuronal networks seems to be achieved via differential myelination and myelination may be experience-dependent. • Considering the many variables affecting conduction delays in an adult brain, genetic instruction alone would seem inadequate to specify the optimal con ...
Morphological Changes in the Hippocampus Following Nicotine and
... areas of the hippocampus, hilus of the dentate gyrus, DB DG - dorsal blade of the dentate gyrus, VB DG - ventral blades of the dentate gyrus. NADPH-diaphorase staining. Direct magnification 40x. B. NADPH-diaphorase positive cell in CA1 area of the hippocampus. Direct magnification 200x. C. CA1 area ...
... areas of the hippocampus, hilus of the dentate gyrus, DB DG - dorsal blade of the dentate gyrus, VB DG - ventral blades of the dentate gyrus. NADPH-diaphorase staining. Direct magnification 40x. B. NADPH-diaphorase positive cell in CA1 area of the hippocampus. Direct magnification 200x. C. CA1 area ...
THE NEURON
... Dendrites receive impulses from other neurons and carry impulses to the cell body. ...
... Dendrites receive impulses from other neurons and carry impulses to the cell body. ...
Evolution of Specialized Pyramidal Neurons in
... Samples of areas 4 and 17 were obtained from 41 adult individuals representing 23 primate and 2 non-primate mammalian species (Tupaia glis and Pteropus poliocephalus). Between 1 and 5 individuals were available for analysis from each species (table 1). Most specimens were obtained postmortem or from ...
... Samples of areas 4 and 17 were obtained from 41 adult individuals representing 23 primate and 2 non-primate mammalian species (Tupaia glis and Pteropus poliocephalus). Between 1 and 5 individuals were available for analysis from each species (table 1). Most specimens were obtained postmortem or from ...
CLM UMR-S 839 INSERM/UPMC Institut du Fer a Moulin
... and Marie Curie (UPMC) devoted to the study of the development and plasticity of the nervous system. The IFM is constituted by 10 research group representing around 100 scientists. It gives an opportunity to young investigators to organize scientific events of a great scientific impact in the “Ile d ...
... and Marie Curie (UPMC) devoted to the study of the development and plasticity of the nervous system. The IFM is constituted by 10 research group representing around 100 scientists. It gives an opportunity to young investigators to organize scientific events of a great scientific impact in the “Ile d ...
input output - Brian Nils Lundstrom
... fluctuations for high mean currents, while excitatory prefrontal cortex (PFC) pyramidal neurons and auditory neurons show sensitivity to input fluctuations throughout their physiological dynamic range. Data are from Arsiero et al. (2007) and Higgs et al. (2006). (b) A single-compartment, biophysical ...
... fluctuations for high mean currents, while excitatory prefrontal cortex (PFC) pyramidal neurons and auditory neurons show sensitivity to input fluctuations throughout their physiological dynamic range. Data are from Arsiero et al. (2007) and Higgs et al. (2006). (b) A single-compartment, biophysical ...
Article - Dynamic Connectome Lab
... Many measurement techniques have been used to study 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 ...
... Many measurement techniques have been used to study 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 ...
PPT - Michael J. Watts
... • Adds an additional layer (or layers) of neurons to a perceptron • Additional layer called hidden (or intermediate) layer • Additional layer of adjustable connections ...
... • Adds an additional layer (or layers) of neurons to a perceptron • Additional layer called hidden (or intermediate) layer • Additional layer of adjustable connections ...