Neuronal rebound spiking, resonance frequency and theta
... and the quantal spacing of grid cell firing fields [12,23]. Self-organization models [24–26] can account for the loss of grid cell firing with inactivation of the hippocampus [27]. Researchers often contrast models using oscillatory interference with those using attractor dynamics or self-organizati ...
... and the quantal spacing of grid cell firing fields [12,23]. Self-organization models [24–26] can account for the loss of grid cell firing with inactivation of the hippocampus [27]. Researchers often contrast models using oscillatory interference with those using attractor dynamics or self-organizati ...
Distribution and characterisation of Glucagon-like peptide
... Figure 1: GLP-1 receptor expressing cells in the CNS. A, B. Demonstrates the reporter expression in the dorsal vagal complex of the eYFP and tdRFP mice. Expression was equivalent in the area postrema (AP), nucleus tractus solitarius (NTS) and dorsal motor nucleus of the vagus (DMV). High levels of r ...
... Figure 1: GLP-1 receptor expressing cells in the CNS. A, B. Demonstrates the reporter expression in the dorsal vagal complex of the eYFP and tdRFP mice. Expression was equivalent in the area postrema (AP), nucleus tractus solitarius (NTS) and dorsal motor nucleus of the vagus (DMV). High levels of r ...
Time Constants of h Current in Layer II Stellate Cells... along the Dorsal to Ventral Axis of Medial Entorhinal Cortex
... spacing is observed in the more ventral portions compared with the more dorsal portions of medial entorhinal cortex (Hafting et al., 2005; Sargolini et al., 2006). In vitro research has recently shown that the intrinsic properties of neurons in the same medial entorhinal region also systematically c ...
... spacing is observed in the more ventral portions compared with the more dorsal portions of medial entorhinal cortex (Hafting et al., 2005; Sargolini et al., 2006). In vitro research has recently shown that the intrinsic properties of neurons in the same medial entorhinal region also systematically c ...
Odorant-induced Oscillations in the Mushroom Bodies of
... on the mushroom bodies have been carried out in the context of olfactory processing and learning, for the mushroom bodies are the main target neuropil of olfactory projection interneurons that originate in the glomerular antenna1 lobes (Christensen and Hildebrand, 1987; Masson and Mustaparta, 1990). ...
... on the mushroom bodies have been carried out in the context of olfactory processing and learning, for the mushroom bodies are the main target neuropil of olfactory projection interneurons that originate in the glomerular antenna1 lobes (Christensen and Hildebrand, 1987; Masson and Mustaparta, 1990). ...
On the computational architecture of the neocortex
... The idea of the present two-part paper is that, at the appropriate level of analysis, there are certain uniformities in the structure of the brain that suggest that some simple general principles of organization must be at work. If this is the case, looking at the tasks performed by the brain from a ...
... The idea of the present two-part paper is that, at the appropriate level of analysis, there are certain uniformities in the structure of the brain that suggest that some simple general principles of organization must be at work. If this is the case, looking at the tasks performed by the brain from a ...
FIGURE LEGENDS FIGURE 40.1 Periodic activation in sleep cycles
... trigmenial motor nuclei; AHC, anterior horn cell. From Hobson et al. (2000). FIGURE 40.10 The Reciprocal Interaction (RI) Model (A) In the original RI model (Hobson et al., 1975; McCarley & Hobson, 1975), REM-on cholinergic neurons (Green triangle, solid line) both selfexcite and excite aminergic RE ...
... trigmenial motor nuclei; AHC, anterior horn cell. From Hobson et al. (2000). FIGURE 40.10 The Reciprocal Interaction (RI) Model (A) In the original RI model (Hobson et al., 1975; McCarley & Hobson, 1975), REM-on cholinergic neurons (Green triangle, solid line) both selfexcite and excite aminergic RE ...
Pre-synaptic Terminal Dynamics in the Hippocampus
... (1.1.1.). In the following subsections (1.1.1.1 to 1.1.2.2.) I will attempt to describe at which levels synaptic plastic phenomena could occur: namely at the biochemical (e.g. changes in ion channel currents), molecular (e.g. modifications in key synaptic proteins) and morphological level (e.g. chan ...
... (1.1.1.). In the following subsections (1.1.1.1 to 1.1.2.2.) I will attempt to describe at which levels synaptic plastic phenomena could occur: namely at the biochemical (e.g. changes in ion channel currents), molecular (e.g. modifications in key synaptic proteins) and morphological level (e.g. chan ...
A Self-Organizing Neural Network for Contour Integration through Synchronized Firing
... Contour integration in low-level vision is believed to occur based on lateral interaction between neurons with similar orientation tuning. The exact neural mechanisms underlying such interactions, and their developmental origins, are not well understood. This paper suggests through computational sim ...
... Contour integration in low-level vision is believed to occur based on lateral interaction between neurons with similar orientation tuning. The exact neural mechanisms underlying such interactions, and their developmental origins, are not well understood. This paper suggests through computational sim ...
Intrinsic laminar lattice connections in primate visual cortex
... of 4C. At further distances from the injection site, the labeled band in 4B typically narrows and remains within the athalamic zone of 4B proper (see Fig. IB). The wide HRP band is prominent only when layer 4B itself is involved in the injection. Otherwise, if the injection is restricted to layers 1 ...
... of 4C. At further distances from the injection site, the labeled band in 4B typically narrows and remains within the athalamic zone of 4B proper (see Fig. IB). The wide HRP band is prominent only when layer 4B itself is involved in the injection. Otherwise, if the injection is restricted to layers 1 ...
Regional and laminar distribution of the vesicular glutamate
... (Fremeau et al., 2004a, 2001; Hur and Zaborszky, 2005; Nahmani and Erisir, 2005). In some areas, VGluT1 and VGluT2 have been found in synapses with low and high-release probability, suggesting that the two transporters reflect distinct classes of glutamatergic projections with complementary distribut ...
... (Fremeau et al., 2004a, 2001; Hur and Zaborszky, 2005; Nahmani and Erisir, 2005). In some areas, VGluT1 and VGluT2 have been found in synapses with low and high-release probability, suggesting that the two transporters reflect distinct classes of glutamatergic projections with complementary distribut ...
High acetylcholine sets circuit dynamics for attention and
... effects was analyzed in a circuit model evaluating the steady-state response to different levels of afferent input A. The cholinergic depolarization of interneurons has the effect of reducing the background firing rate of pyramidal cells during weak afferent input. In contrast, the cholinergic suppr ...
... effects was analyzed in a circuit model evaluating the steady-state response to different levels of afferent input A. The cholinergic depolarization of interneurons has the effect of reducing the background firing rate of pyramidal cells during weak afferent input. In contrast, the cholinergic suppr ...
Bursting Neurons Signal Input Slope
... However, many neurons possess additional voltage-gated conductances that can participate in the generation of more complex firing patterns. For instance, intrinsic conductances can generate brief, high-frequency bursts of action potentials that are commonly observed in recordings from a variety of b ...
... However, many neurons possess additional voltage-gated conductances that can participate in the generation of more complex firing patterns. For instance, intrinsic conductances can generate brief, high-frequency bursts of action potentials that are commonly observed in recordings from a variety of b ...
Smell Prism - Systems Neuroscience Course, MEDS 371, Univ
... Olfactory sensory neurons (OSN) have dendrites with cilia containing a G-protiencoupled OR and axons that communicate to the olfactory bulb. OSN can regenerate, giving them an unusual ability to recover from injury. OSN located in separate regions use 4 subfamilies of OR, individual OSN express sing ...
... Olfactory sensory neurons (OSN) have dendrites with cilia containing a G-protiencoupled OR and axons that communicate to the olfactory bulb. OSN can regenerate, giving them an unusual ability to recover from injury. OSN located in separate regions use 4 subfamilies of OR, individual OSN express sing ...
Time-delay-induced phase-transition to synchrony in coupled
... comparable to time-scales of neuronal oscillations are known to have significant effects in the ensemble activity of neurons. Thus, in modeling studies of neurons and networks, the influence of time delays on the ensemble activity has received a great deal of attention recently.4–16 In networks of c ...
... comparable to time-scales of neuronal oscillations are known to have significant effects in the ensemble activity of neurons. Thus, in modeling studies of neurons and networks, the influence of time delays on the ensemble activity has received a great deal of attention recently.4–16 In networks of c ...
Physiological and Morphological Analysis of Synaptic Transmission
... (DE), and cell 4 (VE) (Fig. 1). The notations of DI-I, VI-2, DE-3, and VE-4 are used to designate these identified motor neurons throughout this paper. Somata of leech swim motor neurons do not sustain overshooting impulses. Instead, remotely initiated impulses appear in somata recordings as small, ...
... (DE), and cell 4 (VE) (Fig. 1). The notations of DI-I, VI-2, DE-3, and VE-4 are used to designate these identified motor neurons throughout this paper. Somata of leech swim motor neurons do not sustain overshooting impulses. Instead, remotely initiated impulses appear in somata recordings as small, ...
Neurons in the Most Superficial Lamina of the Mouse Superior
... rons in the most superficial lamina of the mouse SGS. around the craniotomy to block light from the visual stimulus during imaging. The SC was covered by 2.5% agarose in ACSF for stability. Materials and Methods Imaging was performed with a two-photon microscope (2P-SGS; Prairie Animal preparation. ...
... rons in the most superficial lamina of the mouse SGS. around the craniotomy to block light from the visual stimulus during imaging. The SC was covered by 2.5% agarose in ACSF for stability. Materials and Methods Imaging was performed with a two-photon microscope (2P-SGS; Prairie Animal preparation. ...
NS_olfaction
... The vomeronasal receptors project to a separate “accessory olfactory bulb” via a separate “accessory olfactory nerve” Organization of the AOB is similar to that of the MOB. Outputs are different: the AOB output target only ...
... The vomeronasal receptors project to a separate “accessory olfactory bulb” via a separate “accessory olfactory nerve” Organization of the AOB is similar to that of the MOB. Outputs are different: the AOB output target only ...
BCM Theory
... background input from MFs. This disconnection of the CFs removed any variability in PCs, such as the complex spikes, making it possible to lump the activity of the PC population together. We also verified the equivalence of the two models by following the trajectory of the PC population output and ...
... background input from MFs. This disconnection of the CFs removed any variability in PCs, such as the complex spikes, making it possible to lump the activity of the PC population together. We also verified the equivalence of the two models by following the trajectory of the PC population output and ...
PhD Thesis - Laboratory of Cerebral Cortex Development
... termed medial, dorsal, lateral and ventral pallium and corresponding to the hippocampus, the neocortex, the olfactory cortex and the claustroamygdaloid complex (Puelles et ...
... termed medial, dorsal, lateral and ventral pallium and corresponding to the hippocampus, the neocortex, the olfactory cortex and the claustroamygdaloid complex (Puelles et ...
Wiring optimization can relate neuronal structure and function
... is not known what determines the placement of neurons and synapses in the body, a question to be addressed in this paper. Our approach for understanding neuronal structures complements neural development and relies on the existence of general principles governing the architecture of a mature brain. ...
... is not known what determines the placement of neurons and synapses in the body, a question to be addressed in this paper. Our approach for understanding neuronal structures complements neural development and relies on the existence of general principles governing the architecture of a mature brain. ...
cp_kellermann_launay_17092010
... However, expression of this transporter is reduced to zero by miR-16 in so-called "noradrenaline" neurons, another neurotransmitter involved in attention, emotions, sleep, dreaming and learning. ...
... However, expression of this transporter is reduced to zero by miR-16 in so-called "noradrenaline" neurons, another neurotransmitter involved in attention, emotions, sleep, dreaming and learning. ...
NA EXAM 3 (May 2001)
... There are two pathways for the projections from the basal ganglia output nuclei to the thalamus. The ansa lenticularis is the longer pathway that courses inferior to and around the posterior limb of the internal capsule, on its way to various thalamic targets. It can only been seen in one oblique se ...
... There are two pathways for the projections from the basal ganglia output nuclei to the thalamus. The ansa lenticularis is the longer pathway that courses inferior to and around the posterior limb of the internal capsule, on its way to various thalamic targets. It can only been seen in one oblique se ...
Contraction Properties of VLSI Cooperative Competitive Neural
... AMS 0.35µm CMOS process, and covers an area of about 10 mm2 . It contains 124 excitatory neurons with self, 1st , 2nd , 3rd nearest–neighbor recurrent excitatory connections and 4 inhibitory neurons (all–to–all bi–directionally connected to the excitatory neurons). Each neuron receives input current ...
... AMS 0.35µm CMOS process, and covers an area of about 10 mm2 . It contains 124 excitatory neurons with self, 1st , 2nd , 3rd nearest–neighbor recurrent excitatory connections and 4 inhibitory neurons (all–to–all bi–directionally connected to the excitatory neurons). Each neuron receives input current ...
Using calcium imaging to understand function and learning in L2/3
... Sensory information is encoded with sparse spiking in rodent sensory cortex, but the organization and functional basis of this sparse code is not well understood. I conducted two studies to characterize fu ...
... Sensory information is encoded with sparse spiking in rodent sensory cortex, but the organization and functional basis of this sparse code is not well understood. I conducted two studies to characterize fu ...