Nerve Impulse Transmission
... carry it toward the cell body, which contains the nucleus. • The axon carries the impulse from the cell body toward the synaptic knobs where it will be transferred to other neurons. ...
... carry it toward the cell body, which contains the nucleus. • The axon carries the impulse from the cell body toward the synaptic knobs where it will be transferred to other neurons. ...
Neural Networks 2 - Monash University
... Biological Self-Organizing Maps - 2 A more likely scenario is that there are genetically specifed mechanisms of structure formation that result in the creation of the desired connectivity These could operate before birth, or as part of later maturation, involving interaction with the environmen ...
... Biological Self-Organizing Maps - 2 A more likely scenario is that there are genetically specifed mechanisms of structure formation that result in the creation of the desired connectivity These could operate before birth, or as part of later maturation, involving interaction with the environmen ...
cns structure - Department of Physiology
... center of receptive field, due to increased receptor density. However, this is not a precise mechanism because an increase in the number of action potentials could also mean a more intense stimulus was applied. Two stimulus points ...
... center of receptive field, due to increased receptor density. However, this is not a precise mechanism because an increase in the number of action potentials could also mean a more intense stimulus was applied. Two stimulus points ...
Copy of the full paper
... larger and more complex circuits in higher animals and humans? (1) Alterations in circuit function are often achieved by modifications of both intrinsic and synaptic properties. For example, in the pyloric rhythm of the lobster stomatogastric ganglion, the neuromodulator dopamine influences the stre ...
... larger and more complex circuits in higher animals and humans? (1) Alterations in circuit function are often achieved by modifications of both intrinsic and synaptic properties. For example, in the pyloric rhythm of the lobster stomatogastric ganglion, the neuromodulator dopamine influences the stre ...
NIH Public Access
... axons (high in fat content) are the basis of white matter, and the water and fat in these tissues give rise to the different signals we observe with structural MRI. Over the years, MRI studies investigating brain volume development have typically explored proportional changes (relative to total brai ...
... axons (high in fat content) are the basis of white matter, and the water and fat in these tissues give rise to the different signals we observe with structural MRI. Over the years, MRI studies investigating brain volume development have typically explored proportional changes (relative to total brai ...
Demonstration of a multiwave coherent holographic beam combiner in a polymeric substrate
... beam combination. For some applications, such as a Doppler laser radar, it is necessary to ensure that the combined output is spectrally narrow. This requirement can be met by use of a coherent beam combiner (CBC).1–6 For example, to circumvent the damage threshold as well as the saturation constrai ...
... beam combination. For some applications, such as a Doppler laser radar, it is necessary to ensure that the combined output is spectrally narrow. This requirement can be met by use of a coherent beam combiner (CBC).1–6 For example, to circumvent the damage threshold as well as the saturation constrai ...
Masking, conscious access, and the blind spot of introspection
... For many years, introspection and consciousness were rejected from scientific psychology. In my talk, I will show that introspection is often a valid source of information that, combined with neuroimaging methods, can provide a window into the architecture underlying conscious processing. A first se ...
... For many years, introspection and consciousness were rejected from scientific psychology. In my talk, I will show that introspection is often a valid source of information that, combined with neuroimaging methods, can provide a window into the architecture underlying conscious processing. A first se ...
Cognitive Neuroscience Memory Memory is information that a
... 1. Consolidation operates on information as soon as it is perceived, and it does so continuously over time. 2. The cognitive networks of the cortex are the only neural substrate for memory storage. Consolidation appears to occur by modification of (strengthening of some, weakening of other) synapses ...
... 1. Consolidation operates on information as soon as it is perceived, and it does so continuously over time. 2. The cognitive networks of the cortex are the only neural substrate for memory storage. Consolidation appears to occur by modification of (strengthening of some, weakening of other) synapses ...
Synaptic Democracy and Vesicular Transport in Axons
... located within the cell membrane. This is particularly acute for neurons with their extensively branched dendrites that receive information from other neurons, and a single long axon that delivers information over long distances to other neurons or muscle cells. Both the axon and dendrites contain h ...
... located within the cell membrane. This is particularly acute for neurons with their extensively branched dendrites that receive information from other neurons, and a single long axon that delivers information over long distances to other neurons or muscle cells. Both the axon and dendrites contain h ...
PDF
... almost obvious. There was nothing in these one and a half years of shooting to be left to pure chance. The director "has to make accidental material useful [...], then the will of the director transforms reality [...]". An understanding which Pudovkin came up with while filming the see lions in the ...
... almost obvious. There was nothing in these one and a half years of shooting to be left to pure chance. The director "has to make accidental material useful [...], then the will of the director transforms reality [...]". An understanding which Pudovkin came up with while filming the see lions in the ...
Predictive, interactive multiple memory systems
... memory systems, where backward connections transmit predictions about the current item/features based on the current context/item. Importantly, it is the resulting ‘‘prediction error’’—the difference between these predictions and the forward transmission of sensory evidence—that drives memory encodi ...
... memory systems, where backward connections transmit predictions about the current item/features based on the current context/item. Importantly, it is the resulting ‘‘prediction error’’—the difference between these predictions and the forward transmission of sensory evidence—that drives memory encodi ...
Journal Paper 1 - Information Services and Technology
... prized brain was Marian C. Diamond of the University of California at Berkeley. She found nothing unusual about the number or size of its neurons (nerve cells). But in the association cortex, responsible for highlevel cognition, she did discover a surprisingly large number of nonneuronal cells known ...
... prized brain was Marian C. Diamond of the University of California at Berkeley. She found nothing unusual about the number or size of its neurons (nerve cells). But in the association cortex, responsible for highlevel cognition, she did discover a surprisingly large number of nonneuronal cells known ...
Neural Activity and the Development of Brain Circuits
... provide input to the auditory cortex, neurons in that area develop properties such as orientation tuning that are characteristic of neurons in visual cortex. Presumably, patterns of neural activity that are normally associated with the visual system can guide the development of brain circuitry that ...
... provide input to the auditory cortex, neurons in that area develop properties such as orientation tuning that are characteristic of neurons in visual cortex. Presumably, patterns of neural activity that are normally associated with the visual system can guide the development of brain circuitry that ...
Ch 31: Urinary System
... 2) Cell body (aka “perikaryon” or “soma”) - Neuron’s integration center - Combines all incoming electrical signals - If incoming signals are positive enough, cell body allows signal to continue to axon ...
... 2) Cell body (aka “perikaryon” or “soma”) - Neuron’s integration center - Combines all incoming electrical signals - If incoming signals are positive enough, cell body allows signal to continue to axon ...
Coherence a measure of the brain networks: past and present
... coils at each FFT frequency bin. Coherence is a linear math method in the frequency domain for calculating neuronal networks. The result is a symmetrical matrix that provides no information on directionality. Coherence is the most common measure used to determine if different areas of the brain are ...
... coils at each FFT frequency bin. Coherence is a linear math method in the frequency domain for calculating neuronal networks. The result is a symmetrical matrix that provides no information on directionality. Coherence is the most common measure used to determine if different areas of the brain are ...
Neural Substrate Expansion for the Restoration of Brain
... numbers of neurons, they may not provide adequate biomass and support cells (e.g., glia and endothelial cells) to reconstitute large human brain defects. Beyond matters of neuron numbers, the functional significance of these new neurons is unclear. There are abundant examples of new neuron integrati ...
... numbers of neurons, they may not provide adequate biomass and support cells (e.g., glia and endothelial cells) to reconstitute large human brain defects. Beyond matters of neuron numbers, the functional significance of these new neurons is unclear. There are abundant examples of new neuron integrati ...
Midterm 1
... to release neurotransmitters into the microscopic gap between the neuron and adjacent cells. This gap is called the synapse. Depending upon the neurotransmitter that the cell is using, this cell that has released the neurotransmitter will either excite or inhibit the receiving cell found in the syna ...
... to release neurotransmitters into the microscopic gap between the neuron and adjacent cells. This gap is called the synapse. Depending upon the neurotransmitter that the cell is using, this cell that has released the neurotransmitter will either excite or inhibit the receiving cell found in the syna ...
HORMONES AND BEHAVIOR 1. The Neuroendocrine System: Sum
... hypothalamic hormones by producing and releasing their hormones into the hypophyseal vein, which bring hormones into the general blood circulation (goes everywhere in the body). - Ex., Gonadotropin-releasing hormone (GnRH) from the hypothalamus produces the release of follicle-stimulating hormone (F ...
... hypothalamic hormones by producing and releasing their hormones into the hypophyseal vein, which bring hormones into the general blood circulation (goes everywhere in the body). - Ex., Gonadotropin-releasing hormone (GnRH) from the hypothalamus produces the release of follicle-stimulating hormone (F ...
Bite Me!
... • The NMJ is just one type of synapse, formed by a neuron and a muscle cell • Neurotransmitters from the axon send signals to the muscle • Synapses can form between two neurons, or between a neuron and another type of cell ...
... • The NMJ is just one type of synapse, formed by a neuron and a muscle cell • Neurotransmitters from the axon send signals to the muscle • Synapses can form between two neurons, or between a neuron and another type of cell ...
Abstract Browser - The Journal of Neuroscience
... thought to tag activated synapses, allowing them to capture newly synthesized plasticity-related products (PRPs), which include scaffolding and cytoskeletal proteins. These PRPs are required to consolidate early LTP into late LTP; without them, synaptic strength decreases to baseline within a few ho ...
... thought to tag activated synapses, allowing them to capture newly synthesized plasticity-related products (PRPs), which include scaffolding and cytoskeletal proteins. These PRPs are required to consolidate early LTP into late LTP; without them, synaptic strength decreases to baseline within a few ho ...
Schema / Script Memory
... is self-schema; this schema contains information that we think about ourselves. It can sometimes influence, modify or distort what we remember or how we recall information. The next schema is person schema, which is the idea that we all have schema that includes judgments and traits that everyone po ...
... is self-schema; this schema contains information that we think about ourselves. It can sometimes influence, modify or distort what we remember or how we recall information. The next schema is person schema, which is the idea that we all have schema that includes judgments and traits that everyone po ...
Simple model of spiking neurons
... Hoppensteadt and Izhikevich [1] and Wang [2] have proposed network models where the neural activity is described by differential equations. Both architectures can be used for pattern recognition via associative memory, which occurs when a group of neurons fires synchronously. These models were inspi ...
... Hoppensteadt and Izhikevich [1] and Wang [2] have proposed network models where the neural activity is described by differential equations. Both architectures can be used for pattern recognition via associative memory, which occurs when a group of neurons fires synchronously. These models were inspi ...