Short title: Thalamocortical computations during tactile sensation
... that are required to construct a realistic computational model of the thalamocortical circuit. Our ...
... that are required to construct a realistic computational model of the thalamocortical circuit. Our ...
rainfall-runoff modelling in batang layar and oya sub
... model based how the information is being processed by a biological nervous system. Like mammalian nervous system, ANN consists of an interconnected group of neurons (which are artificially made in a computer system) and processes information using internal connecting operators which are doing all th ...
... model based how the information is being processed by a biological nervous system. Like mammalian nervous system, ANN consists of an interconnected group of neurons (which are artificially made in a computer system) and processes information using internal connecting operators which are doing all th ...
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... Activation of the cholinergic nucleus basalis, located in the basal forebrain (BasF), was used to gate cortical plasticity in each of the experiments described here. Using this technique, we have been able to generate distinct forms of cortical reorganization with only one independent variable: sens ...
... Activation of the cholinergic nucleus basalis, located in the basal forebrain (BasF), was used to gate cortical plasticity in each of the experiments described here. Using this technique, we have been able to generate distinct forms of cortical reorganization with only one independent variable: sens ...
Sensory Receptors, Neuronal Circuits for Processing Information
... increases rapidly at first but then progressively less rapidly at high stimulus strength. In turn, the frequency of repetitive action potentials transmitted from sensory receptors increases approximately in proportion to the increase in receptor potential. Putting this principle together with the da ...
... increases rapidly at first but then progressively less rapidly at high stimulus strength. In turn, the frequency of repetitive action potentials transmitted from sensory receptors increases approximately in proportion to the increase in receptor potential. Putting this principle together with the da ...
Experiment HN-6: Hoffman Reflex using the Soleus Muscle
... to injuries and various therapies. An example of this is clear in people who have recently sprained their ankle. The very definition of a sprain injury is damage to a ligament, however, ligaments are noncontractile. After an injury the strength measurements recorded from the individual at the involv ...
... to injuries and various therapies. An example of this is clear in people who have recently sprained their ankle. The very definition of a sprain injury is damage to a ligament, however, ligaments are noncontractile. After an injury the strength measurements recorded from the individual at the involv ...
The neural basis of the speed–accuracy tradeoff - Eric
... adaptive changes in performance? For almost half a century SAT has been studied almost exclusively using abstract mathematical models. Although these models provide a good account of behavioral data, they are silent about the structures and mechanisms by which SAT is implemented in the brain. Only v ...
... adaptive changes in performance? For almost half a century SAT has been studied almost exclusively using abstract mathematical models. Although these models provide a good account of behavioral data, they are silent about the structures and mechanisms by which SAT is implemented in the brain. Only v ...
1. Biophysics of the Nervous System
... Receptors in the sensory nervous system percept physical stimuli. Receptors operate like a transducer device in technology, and convert one energy into another kind of energy. Every kind of physical stimuli (touch, heat, sound, light, taste, smell) is converted into miniature electrical potentials. ...
... Receptors in the sensory nervous system percept physical stimuli. Receptors operate like a transducer device in technology, and convert one energy into another kind of energy. Every kind of physical stimuli (touch, heat, sound, light, taste, smell) is converted into miniature electrical potentials. ...
Identified Serotonergic Neurons LCBI and RCBI in the Cerebral
... sensory cell and a follower neuron (usually an LFS motor neuron) were then impaled. Follower neurons were hyperpolarized by 30 mV to prevent spiking. The LE cell was stimulated intracellularly with a brief current pulse causing it to 6re an action potential once every 30 sec. After at least 3 pretes ...
... sensory cell and a follower neuron (usually an LFS motor neuron) were then impaled. Follower neurons were hyperpolarized by 30 mV to prevent spiking. The LE cell was stimulated intracellularly with a brief current pulse causing it to 6re an action potential once every 30 sec. After at least 3 pretes ...
Hasson-JNeurosci2008.. - Center for Neural Science
... In the time-reversal experiment, correlation coefficients were calculated between the responses to the following conditions: the first and second presentations of the original, forward movie (CF1:F2); the first and second presentations of the backward movie (CB1:B2); response to the forward movie an ...
... In the time-reversal experiment, correlation coefficients were calculated between the responses to the following conditions: the first and second presentations of the original, forward movie (CF1:F2); the first and second presentations of the backward movie (CB1:B2); response to the forward movie an ...
decision-making in the primate brain
... paired with two novel stimuli (X and Y), and, in this second stage of the experiment, the joint stimuli AX and BY are both paired with rewards. If learning were merely associative, the subject would respond to both novel stimuli X and Y as if they predicted the reward. In fact, under these condition ...
... paired with two novel stimuli (X and Y), and, in this second stage of the experiment, the joint stimuli AX and BY are both paired with rewards. If learning were merely associative, the subject would respond to both novel stimuli X and Y as if they predicted the reward. In fact, under these condition ...
Neural Conduction - U
... reached, the Action Potential is reversal of the membrane potential from -70 mV to +50 mV in about one millisecond (Fig. 4.3) ...
... reached, the Action Potential is reversal of the membrane potential from -70 mV to +50 mV in about one millisecond (Fig. 4.3) ...
Receptive Field Properties of Single Neurons in Rat Primary Visual
... cases, the single units were isolated using a window discriminator, permitting analysis of response properties of neighboring cells. The receptive field size in 54 of the cells tested failed within the limits imposed by the stimulus presentation screen (,20°). However, the other cells responded to s ...
... cases, the single units were isolated using a window discriminator, permitting analysis of response properties of neighboring cells. The receptive field size in 54 of the cells tested failed within the limits imposed by the stimulus presentation screen (,20°). However, the other cells responded to s ...
self-organising map
... space with a nonlinear distribution, the self-organising map is able to select a set of best features for approximating the underlying distribution. ...
... space with a nonlinear distribution, the self-organising map is able to select a set of best features for approximating the underlying distribution. ...
Neural processes underlying conscious perception
... non-conscious stimuli, and higher areas, in the parietal, frontal and cingulate cortex, that appear to be specifically involved in conscious perception. Some studies also highlight the fact that, contrary to sensory areas, these fronto-parietal sites seem to be involved in conscious perception regard ...
... non-conscious stimuli, and higher areas, in the parietal, frontal and cingulate cortex, that appear to be specifically involved in conscious perception. Some studies also highlight the fact that, contrary to sensory areas, these fronto-parietal sites seem to be involved in conscious perception regard ...
Biosc_48_Chapter_9_lecture
... spinal cord and just one neuron traveling from spinal cord to effector. Autonomic motor system has two sets of neurons in the PNS. The preganglionic neuron has cell bodies in the brain or spinal cord and synapses in an autonomic ganglion The postganglionic neuron has cell bodies in the ganglion ...
... spinal cord and just one neuron traveling from spinal cord to effector. Autonomic motor system has two sets of neurons in the PNS. The preganglionic neuron has cell bodies in the brain or spinal cord and synapses in an autonomic ganglion The postganglionic neuron has cell bodies in the ganglion ...
Spatial and temporal frequency selectivity of neurons in
... method of Gallyas (1979), were included in the present report. The laminar distribution of the recorded units was also determined, based on cytoarchitectural criteria illustrated by Bourne & Rosa (2006). ...
... method of Gallyas (1979), were included in the present report. The laminar distribution of the recorded units was also determined, based on cytoarchitectural criteria illustrated by Bourne & Rosa (2006). ...
3D Visual Response Properties of MSTd Emerge from an Efficient
... studies that concentrated on a small number of MSTd neurons preferring fore–aft (i.e., forward and backward) motion directions (Duffy and Wurtz, 1995), these more recent studies demonstrated that heading preferences in MSTd were distributed throughout the spherical stimulus space, and that there was ...
... studies that concentrated on a small number of MSTd neurons preferring fore–aft (i.e., forward and backward) motion directions (Duffy and Wurtz, 1995), these more recent studies demonstrated that heading preferences in MSTd were distributed throughout the spherical stimulus space, and that there was ...
Historical analysis of the neural control of movement from the
... happening to the center of mass, as all now attracts increasing attention to help understand the neural programming involved. Whole animal studies then inevitably lapsed, as there must have seemed little that could usefully be done. Acute experimentation reigned throughout the 19th and much of the 2 ...
... happening to the center of mass, as all now attracts increasing attention to help understand the neural programming involved. Whole animal studies then inevitably lapsed, as there must have seemed little that could usefully be done. Acute experimentation reigned throughout the 19th and much of the 2 ...
Media Release
... Face Potentially Any Situation. Scientists have shown how the brain anticipates all of the new situations that it may encounter in a lifetime by creating a special kind of neural network that is “pre-adapted” to face any eventuality. This emerges from a new neuroscience study published in PLOS Compu ...
... Face Potentially Any Situation. Scientists have shown how the brain anticipates all of the new situations that it may encounter in a lifetime by creating a special kind of neural network that is “pre-adapted” to face any eventuality. This emerges from a new neuroscience study published in PLOS Compu ...
Parkinson`s Disease storyboard
... hypothesis is supported by the data, why dopamine tone suddenly drops after the loss of about 80% of an individual’s dopamine neurons. In order to help explain this phenomenon, Garris created the Bucket Theory. • Student is instructed to do activities. ...
... hypothesis is supported by the data, why dopamine tone suddenly drops after the loss of about 80% of an individual’s dopamine neurons. In order to help explain this phenomenon, Garris created the Bucket Theory. • Student is instructed to do activities. ...
Neuronal Correlates for Preparatory Set Associated with Pro
... Electrophysiolog y. All experimental procedures were in accordance with the C anadian Council on Animal C are policy on the use and care of laboratory animals and approved by the Queen’s University Animal C are Committee. Surgical, electrophysiological, and data acquisition methods were described pr ...
... Electrophysiolog y. All experimental procedures were in accordance with the C anadian Council on Animal C are policy on the use and care of laboratory animals and approved by the Queen’s University Animal C are Committee. Surgical, electrophysiological, and data acquisition methods were described pr ...
Gaze effects in the cerebral cortex: reference frames for
... of object location in a coordinate system that matches the reference frame used by the motor cortex to code reaching movement in space. The mechanism of the necessary coordinate transformation between the different frames of reference from the visual to the motor system as well as its localization w ...
... of object location in a coordinate system that matches the reference frame used by the motor cortex to code reaching movement in space. The mechanism of the necessary coordinate transformation between the different frames of reference from the visual to the motor system as well as its localization w ...
PDF - Center for Neural Science
... that this problem of instability poses a serious challenge. However, in the same year that Milner’s words were written, it was realized that cortical circuits with multiple attractor states are dynamically stable if the recurrent excitation is slow compared to inhibition—for example, partially ...
... that this problem of instability poses a serious challenge. However, in the same year that Milner’s words were written, it was realized that cortical circuits with multiple attractor states are dynamically stable if the recurrent excitation is slow compared to inhibition—for example, partially ...