Mechanisms of response homeostasis during retinocollicular map
... bidirectional control of intrinsic excitability. Recently, we showed that the total synaptic input onto individual neurons of the mouse superior colliculus is preserved regardless of the size of their visual receptive fields, a phenomenon we term ‘response homeostasis’. Here, we argue that regulatin ...
... bidirectional control of intrinsic excitability. Recently, we showed that the total synaptic input onto individual neurons of the mouse superior colliculus is preserved regardless of the size of their visual receptive fields, a phenomenon we term ‘response homeostasis’. Here, we argue that regulatin ...
A Beginner`s Guide to the Mathematics of Neural Networks
... membrane potential and ring state). Right: close-up of a typical synapse. decrease. In the rst case the arriving signal will increase the probability of the receiving neuron to start ring itself, therefore such a synapse is called excitatory. In the second case the arriving signal will decrease t ...
... membrane potential and ring state). Right: close-up of a typical synapse. decrease. In the rst case the arriving signal will increase the probability of the receiving neuron to start ring itself, therefore such a synapse is called excitatory. In the second case the arriving signal will decrease t ...
Progress Report – Glover
... With the anatomical mapping already in hand, it is feasible to begin asking questions about the genetic regulation of neuronal type specification. As a first step, it is important to determine which transcription factors are expressed in or near specific identified neurons. To this end, Søviknes has ...
... With the anatomical mapping already in hand, it is feasible to begin asking questions about the genetic regulation of neuronal type specification. As a first step, it is important to determine which transcription factors are expressed in or near specific identified neurons. To this end, Søviknes has ...
Self-images in the video monitor coded by monkey intraparietal
... a neuron responded to the moving visual stimuli. Tooluse induced an expansion of the visual receptive field only when monkeys intended to use tools to retrieve distant objects, but the modification was never induced when just holding it as an external object. Thus, this modification was not related ...
... a neuron responded to the moving visual stimuli. Tooluse induced an expansion of the visual receptive field only when monkeys intended to use tools to retrieve distant objects, but the modification was never induced when just holding it as an external object. Thus, this modification was not related ...
Engineering new synaptic connections in the C. elegans connectome
... identified circuits and from molecular characterization of individual mapped synapses.7 However, observation and mapping are not sufficient; in addition, an engineering approach, similar to that underlying synthetic biology, whereby individual biological components are artificially reassembled or co ...
... identified circuits and from molecular characterization of individual mapped synapses.7 However, observation and mapping are not sufficient; in addition, an engineering approach, similar to that underlying synthetic biology, whereby individual biological components are artificially reassembled or co ...
Sparse Coding in the Neocortex
... al. 2005). However, those promoting the usefulness of sparse representations are not proposing that the ultimate goal is to have one neuron for every object—and certainly not for a particular view of every object. We believe that sparseness helps learning and prediction even at early stages of senso ...
... al. 2005). However, those promoting the usefulness of sparse representations are not proposing that the ultimate goal is to have one neuron for every object—and certainly not for a particular view of every object. We believe that sparseness helps learning and prediction even at early stages of senso ...
Article - Dynamic Connectome Lab
... the layers above and below the soma, while the LFP magnitude is largest in the soma layer and decreases in the layers above and below the soma. The differences between the results for the L4 spiny stellate models are small, so we concentrate on the pyramidal neuron population results. For the L2/3 p ...
... the layers above and below the soma, while the LFP magnitude is largest in the soma layer and decreases in the layers above and below the soma. The differences between the results for the L4 spiny stellate models are small, so we concentrate on the pyramidal neuron population results. For the L2/3 p ...
A comparison of the distribution and morphology of ChAT
... ABSTRACT: Present knowledge concerning the organization of cholinergic structures of the spinal cord has been derived primarily from studies on small laboratory animals, while there is a complete lack of information concerning its structure in the pig. In the present study we employed choline acetyl ...
... ABSTRACT: Present knowledge concerning the organization of cholinergic structures of the spinal cord has been derived primarily from studies on small laboratory animals, while there is a complete lack of information concerning its structure in the pig. In the present study we employed choline acetyl ...
Combinatorial Marking of Cells and Organelles with Split
... HSN fluorescence was weak and rarely seen when split GFP was generated from these promoters ...
... HSN fluorescence was weak and rarely seen when split GFP was generated from these promoters ...
A double-edged sword: producing repetitions and prolongations
... • A perception / production link appears to exist in the inhibition of stuttering. – Sensory and motoric forms of stuttering inhibition may be related. ...
... • A perception / production link appears to exist in the inhibition of stuttering. – Sensory and motoric forms of stuttering inhibition may be related. ...
EN Sokolov`s Neural Model of Stimuli as Neuro
... and react to certain physical impacts of stimuli as signals. Receptors are in turn associated with selective detectors – neurons selectively responding to certain stimuli – and this connection can be either direct or, as shown, mediated by the predetectors. Selective detectors operate by the followi ...
... and react to certain physical impacts of stimuli as signals. Receptors are in turn associated with selective detectors – neurons selectively responding to certain stimuli – and this connection can be either direct or, as shown, mediated by the predetectors. Selective detectors operate by the followi ...
Encoding of Movement Fragments in the Motor Cortex
... Figure 1. Evidence for trajectory encoding in the motor cortex. A, Temporal evolution of preferred directions (in 50 ms bins) for four MI neurons relative to movement onset computed in an instructed-delay center-out task to one of eight targets. B, Left, Example of a single successful behavioral tri ...
... Figure 1. Evidence for trajectory encoding in the motor cortex. A, Temporal evolution of preferred directions (in 50 ms bins) for four MI neurons relative to movement onset computed in an instructed-delay center-out task to one of eight targets. B, Left, Example of a single successful behavioral tri ...
The neuronal structure of the substantia nigra in the guinea pig
... cell bodies, number and arborisation of dendrites and the dendritic fields. The neuronal structure of SN was also investigated in primates [13,34,35,50], rat [7,23] and kitten [33]. In the primates, Siddiqi and Peters [35] distinguished three types of SN neurons: large multipolar, medium-sized bipol ...
... cell bodies, number and arborisation of dendrites and the dendritic fields. The neuronal structure of SN was also investigated in primates [13,34,35,50], rat [7,23] and kitten [33]. In the primates, Siddiqi and Peters [35] distinguished three types of SN neurons: large multipolar, medium-sized bipol ...
Discussion and future directions
... Put generally, it demonstrates that a self–organizing map can learn to distinctively represent and command 12 directions of movement, by extracting the similarity relationships from the input space. The success of the self–organization process is dependent on two factors: the input patterns and the ...
... Put generally, it demonstrates that a self–organizing map can learn to distinctively represent and command 12 directions of movement, by extracting the similarity relationships from the input space. The success of the self–organization process is dependent on two factors: the input patterns and the ...
No Slide Title - Computer Science Home
... • Brain is superior in performing pattern recognition, perception, and motor control), e.g., it takes a brain 100-200 msec to recognize a familiar face embedded in an unfamiliar scene (will take days for the computer to do the similar tasks) ...
... • Brain is superior in performing pattern recognition, perception, and motor control), e.g., it takes a brain 100-200 msec to recognize a familiar face embedded in an unfamiliar scene (will take days for the computer to do the similar tasks) ...
Neurons in Anterior Cingulate Cortex Multiplex
... The available data do not discriminate whether ACC represents abstract reward information only or more specific information linking particular actions to outcomes because the selectivity of ACC neurons for specific actions remains almost entirely unknown. To address these questions, we probed the ac ...
... The available data do not discriminate whether ACC represents abstract reward information only or more specific information linking particular actions to outcomes because the selectivity of ACC neurons for specific actions remains almost entirely unknown. To address these questions, we probed the ac ...
characterisation of dopamine neurons of the murine ventral
... neurons originating from this region project and receive input from various other brain regions and through several neurotransmitter systems. The attention was concentrated on the excitatory modulation suggested to regulate important functions of synaptic plasticity, which have been associated with ...
... neurons originating from this region project and receive input from various other brain regions and through several neurotransmitter systems. The attention was concentrated on the excitatory modulation suggested to regulate important functions of synaptic plasticity, which have been associated with ...
reciprocal inhibition in the motor nervous system of the nematode
... Anatomical studies have shown that this dorsal process can be divided into two distinct regions. The region proximal to the commissure makes numerous neuromuscular synapses and overlaps the processes of two VI dendrites. Anterior to this there is a region where neuromuscular synapses are rare (A. 0. ...
... Anatomical studies have shown that this dorsal process can be divided into two distinct regions. The region proximal to the commissure makes numerous neuromuscular synapses and overlaps the processes of two VI dendrites. Anterior to this there is a region where neuromuscular synapses are rare (A. 0. ...
Gee JNeuro 2012 - Stanford University
... in the PFC. To answer this question, we recorded from visually identified neuneurons in neocortex can be divided into at least two subpopurons expressing fluorescent proteins under control of promoters lations, “thick-tufted” neurons that project to thalamus or brainfor D1Rs or D2Rs (Fig. 3A). Speci ...
... in the PFC. To answer this question, we recorded from visually identified neuneurons in neocortex can be divided into at least two subpopurons expressing fluorescent proteins under control of promoters lations, “thick-tufted” neurons that project to thalamus or brainfor D1Rs or D2Rs (Fig. 3A). Speci ...
Action potential
... Divisions of the Nervous System The Peripheral Nervous System (PNS) Includes all neural tissue outside the CNS Functions of the PNS Deliver sensory information to the CNS Carry motor commands to peripheral tissues and ...
... Divisions of the Nervous System The Peripheral Nervous System (PNS) Includes all neural tissue outside the CNS Functions of the PNS Deliver sensory information to the CNS Carry motor commands to peripheral tissues and ...