The Brain
... destroys brain tissue to study animal behaviors after such destruction. Hubel (1990) ...
... destroys brain tissue to study animal behaviors after such destruction. Hubel (1990) ...
Time-delay-induced phase-transition to synchrony in coupled
... 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 coupled neurons, time delays have been shown to affect not onl ...
... 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 coupled neurons, time delays have been shown to affect not onl ...
Favorable Recording Criteria for Spike Sorting
... Spike sorting is the generic term used to describe the procedure for identifying spikes in multi-neuron recordings and categorizing them according to waveform and amplitude differences. Correctly relating each spike to a category and accurately estimating its time of occurrence is prerequisite to pr ...
... Spike sorting is the generic term used to describe the procedure for identifying spikes in multi-neuron recordings and categorizing them according to waveform and amplitude differences. Correctly relating each spike to a category and accurately estimating its time of occurrence is prerequisite to pr ...
Axons, but not cell bodies, are activated by electrical stimulation in
... glass micropipettes filled with 1 M NaCl (d.c. resistance 1Ð5 MW). Field potentials were amplified on an amplifier (Biologic VF 180) followed by a Neurolog device containing amplifiers and filters. The field potentials were low- and high-pass filtered between 0.1 or 1 Hz and 1 khz. The extracellular ...
... glass micropipettes filled with 1 M NaCl (d.c. resistance 1Ð5 MW). Field potentials were amplified on an amplifier (Biologic VF 180) followed by a Neurolog device containing amplifiers and filters. The field potentials were low- and high-pass filtered between 0.1 or 1 Hz and 1 khz. The extracellular ...
axon reaction, which may be displayed in
... resting microgiia that had been present in the central nervous tissue also may become phagocytes, but the great majority of such cells come from the blood. Reactive microglia also appear in parts of the central nervous system remote from the lesion but occupied by axons that are degenerating in cons ...
... resting microgiia that had been present in the central nervous tissue also may become phagocytes, but the great majority of such cells come from the blood. Reactive microglia also appear in parts of the central nervous system remote from the lesion but occupied by axons that are degenerating in cons ...
Parallel Transformation of Tactile Signals in Central Circuits of
... characteristic and reliable positions of their cell bodies, as well as their intrinsic properties: recorded neurons in each class had a characteristic input resistance, resting membrane potential, and spike waveform. We were able to reliably record from midline local and projection neurons by target ...
... characteristic and reliable positions of their cell bodies, as well as their intrinsic properties: recorded neurons in each class had a characteristic input resistance, resting membrane potential, and spike waveform. We were able to reliably record from midline local and projection neurons by target ...
Document
... called excitable cells, which include neurons, muscle cells, and endocrine cells, • is generated by special types of voltage-gated ion channels embedded in a cell's plasma membrane. ...
... called excitable cells, which include neurons, muscle cells, and endocrine cells, • is generated by special types of voltage-gated ion channels embedded in a cell's plasma membrane. ...
Learning in a neural network model in real time using real world
... a model of the mammalian auditory system we investigate a single-integrated learning mechanism which combines a local learning rule with a global gating mechanism. We show that this model supports continuous and fast learning, provides an even coverage of stimulus space, and generates stable represe ...
... a model of the mammalian auditory system we investigate a single-integrated learning mechanism which combines a local learning rule with a global gating mechanism. We show that this model supports continuous and fast learning, provides an even coverage of stimulus space, and generates stable represe ...
Synaptic Transmission - Interactive Physiology
... calcium channels to open and calcium to enter the terminal. • The presence of calcium inside the cell causes the synaptic vesicles to fuse with the membrane. • Each vesicle releases a fixed amount of neurotransmitter into the synaptic cleft. • Neurotransmitter diffuses across the synaptic cleft. ...
... calcium channels to open and calcium to enter the terminal. • The presence of calcium inside the cell causes the synaptic vesicles to fuse with the membrane. • Each vesicle releases a fixed amount of neurotransmitter into the synaptic cleft. • Neurotransmitter diffuses across the synaptic cleft. ...
MS Word Version - Interactive Physiology
... • An action potential in the axon terminal causes voltage-gated calcium channels to open and calcium to enter the terminal. • The presence of calcium inside the cell causes the synaptic vesicles to fuse with the membrane. • Each vesicle releases a fixed amount of neurotransmitter into the synaptic c ...
... • An action potential in the axon terminal causes voltage-gated calcium channels to open and calcium to enter the terminal. • The presence of calcium inside the cell causes the synaptic vesicles to fuse with the membrane. • Each vesicle releases a fixed amount of neurotransmitter into the synaptic c ...
Text S1.
... identical regardless of the definition? Indeed, probability theory has proven itself useful to scientists without there being agreement on its definition. The precise definition of probability is usually not of practical importance because scientists usually seek to describe the world based on a com ...
... identical regardless of the definition? Indeed, probability theory has proven itself useful to scientists without there being agreement on its definition. The precise definition of probability is usually not of practical importance because scientists usually seek to describe the world based on a com ...
Deep Learning - UCF Computer Science
... • More elegant regularization method is demanded to avoid the overfitting risk. • Reducing the magnitudes of connection weights • Making the connection more sparse, while not losing too much modeling power. ...
... • More elegant regularization method is demanded to avoid the overfitting risk. • Reducing the magnitudes of connection weights • Making the connection more sparse, while not losing too much modeling power. ...
Durand and Barlow Chapter 2: An Integrative Approach to
... – Axon – Trunk of neuron that sends messages to other neurons – Axon terminals – Buds at end of axon from which chemical messages are sent – Synaptic cleft – Small gaps that separate neurons • Neurons Function Electrically, but Communicate Chemically ...
... – Axon – Trunk of neuron that sends messages to other neurons – Axon terminals – Buds at end of axon from which chemical messages are sent – Synaptic cleft – Small gaps that separate neurons • Neurons Function Electrically, but Communicate Chemically ...
Nervous System Organization and Components
... The neurilemma and myelin are not continuous but are interrupted at intervals along the length of the axon. The point of interruption is the neurofibril node (node of Ranvier). Axons of the PNS Surrounding both myelinated and unmyelinated axons of the PNS are neurilemmal (Schwann) cells which are ar ...
... The neurilemma and myelin are not continuous but are interrupted at intervals along the length of the axon. The point of interruption is the neurofibril node (node of Ranvier). Axons of the PNS Surrounding both myelinated and unmyelinated axons of the PNS are neurilemmal (Schwann) cells which are ar ...
Neural Networks
... Interest in building a mathematical model of a brain cell. Arrange such models into a network forming a computational engine. ...
... Interest in building a mathematical model of a brain cell. Arrange such models into a network forming a computational engine. ...
From Neurons to Brain: Adaptive Self
... 1011 neurons that form a network with more that 1015 synaptic connections. The precise structure of such a network can not be stored genetically. The human DNA is composed of about 109 bases, so it lacks sufficient memory for the detailed structure of a brain. The alternative extreme explanation, o ...
... 1011 neurons that form a network with more that 1015 synaptic connections. The precise structure of such a network can not be stored genetically. The human DNA is composed of about 109 bases, so it lacks sufficient memory for the detailed structure of a brain. The alternative extreme explanation, o ...
Principle of Superposition-free Memory - Deep Blue
... of firing. The problem of memory is thus to reconstruct this pattern, but in response to a secondary pattern of firing concomitant to an event other than the original input (for example, part of the original input or some other input with which it has been associated). Presumably this means that at ...
... of firing. The problem of memory is thus to reconstruct this pattern, but in response to a secondary pattern of firing concomitant to an event other than the original input (for example, part of the original input or some other input with which it has been associated). Presumably this means that at ...
Biological Psychology: Bridging the Levels of Analysis
... Copyright ©2011, ©2009 by Pearson Education, Inc. All rights reserved. ...
... Copyright ©2011, ©2009 by Pearson Education, Inc. All rights reserved. ...
Ch12.Nervous.Tissue
... The Neuron • Special characteristics: 1.) Excitability conduct electrical impulses 2.) Longevity can live & function for a lifetime! 3.) Do not divide fetal neurons lose their ability to undergo mitosis; neural stem cells are an exception (olfactory neuron regeneration is an example) ...
... The Neuron • Special characteristics: 1.) Excitability conduct electrical impulses 2.) Longevity can live & function for a lifetime! 3.) Do not divide fetal neurons lose their ability to undergo mitosis; neural stem cells are an exception (olfactory neuron regeneration is an example) ...
Skeletal System
... The nervous system is the master controlling and communicating system of the body It is responsible for all behavior Along with the endocrine system it is responsible for regulating and ...
... The nervous system is the master controlling and communicating system of the body It is responsible for all behavior Along with the endocrine system it is responsible for regulating and ...
Grounded cognition Mirror neurons Mirror neurons Mirror neurons in
... Mirror neurons (MNs) = sub-populations of motor neurons that discharge both when the individual executes and observes an action ...
... Mirror neurons (MNs) = sub-populations of motor neurons that discharge both when the individual executes and observes an action ...
Joint EuroSPIN/NeuroTime Meeting 2013, January 14
... the ability to finely sequence motor actions are ubiquitous features of human cognition, fundamental to a variety of common, everyday tasks. Sequential learning provides a domain-general mechanism for acquiring predictive relations between sequence elements abiding to a set of structural regularitie ...
... the ability to finely sequence motor actions are ubiquitous features of human cognition, fundamental to a variety of common, everyday tasks. Sequential learning provides a domain-general mechanism for acquiring predictive relations between sequence elements abiding to a set of structural regularitie ...
The Mammalian Nervous System: Structure and
... •Making sense of the visual world •Translating visual experience into language ...
... •Making sense of the visual world •Translating visual experience into language ...