Neural Basis of Prosopagnosia: An fMRI Study
... an area situated in the ventral temporal cortex, within the fusiform gyrus (FFA), which produces clear face-specific activations in at least 80% of normal subjects [Halgren, 1999; Haxby, 1999; Kanwisher 1997; Lerner, 2001; Levy, 2001; Puce, 1996]; and 2) an area situated in the inferior occipital gy ...
... an area situated in the ventral temporal cortex, within the fusiform gyrus (FFA), which produces clear face-specific activations in at least 80% of normal subjects [Halgren, 1999; Haxby, 1999; Kanwisher 1997; Lerner, 2001; Levy, 2001; Puce, 1996]; and 2) an area situated in the inferior occipital gy ...
Encoding Information in Neuronal Activity
... In one example the correlated firing between two neurons during the GO tasks was highest during the first second after the onset of the stimulus and lower during the next second. During the NO- GO tasks the pattern of correlated firing was reversed. The correlation was low in the first second and hi ...
... In one example the correlated firing between two neurons during the GO tasks was highest during the first second after the onset of the stimulus and lower during the next second. During the NO- GO tasks the pattern of correlated firing was reversed. The correlation was low in the first second and hi ...
Neural and Computational Mechanisms of Action Processing
... There are two further issues that deserve some discussion here. The first is the origin of the input that may determine the properties of view-dependent and viewindependent F5 mirror neurons. The second is what might be the functional role of these two types of mirror neurons. The main input to F5 a ...
... There are two further issues that deserve some discussion here. The first is the origin of the input that may determine the properties of view-dependent and viewindependent F5 mirror neurons. The second is what might be the functional role of these two types of mirror neurons. The main input to F5 a ...
Lect16
... • If you want your test remarked – Compare your grade to posted marking scheme – Tests will be entirely remarked /56 – Your test must NOT leave the office – All requests submitted by 1pm Nov 18 ...
... • If you want your test remarked – Compare your grade to posted marking scheme – Tests will be entirely remarked /56 – Your test must NOT leave the office – All requests submitted by 1pm Nov 18 ...
Discrete Modeling of Multi-Transmitter Neural Networks with Neuron
... The remaining parameters characterize the functional (dynamic) properties. Novel approaches will be required for their description. To realize our goals, the existing discrete models need substantial expansions in several directions. 1. In all above-described discrete models, neurons are connected b ...
... The remaining parameters characterize the functional (dynamic) properties. Novel approaches will be required for their description. To realize our goals, the existing discrete models need substantial expansions in several directions. 1. In all above-described discrete models, neurons are connected b ...
Feedforward, horizontal, and feedback processing
... neurons express feedforward processing. The long-standing debate about the mechanisms underlying orientation tuning in V1 seems to converge to the view that LGN input is the determining factor ([66,67]; but see [68]). RF tuning properties of neurons in low and high areas are already established with ...
... neurons express feedforward processing. The long-standing debate about the mechanisms underlying orientation tuning in V1 seems to converge to the view that LGN input is the determining factor ([66,67]; but see [68]). RF tuning properties of neurons in low and high areas are already established with ...
Perception of Motion, Depth, and Form
... N vISIoN,AS IN orHERmental oPerations, we exPerrence the world as a whole. Independent attributesmotion, depth, form, and color-are coordinated into a single visual image. In the two Previous chapters we began to consider how two parallel Pathways-the magnocellular and parvocellular pathways, that e ...
... N vISIoN,AS IN orHERmental oPerations, we exPerrence the world as a whole. Independent attributesmotion, depth, form, and color-are coordinated into a single visual image. In the two Previous chapters we began to consider how two parallel Pathways-the magnocellular and parvocellular pathways, that e ...
Edge of chaos and prediction of computational performance for
... can be approximated by a term i=1 is the number of presynaptic neurons, xi (t) results from the output spike train of the ith presynaptic neuron by filtering it according to the low-pass filtering property of the membrane of the readout neuron,2 and wi is the efficacy of the synaptic connection. Thu ...
... can be approximated by a term i=1 is the number of presynaptic neurons, xi (t) results from the output spike train of the ith presynaptic neuron by filtering it according to the low-pass filtering property of the membrane of the readout neuron,2 and wi is the efficacy of the synaptic connection. Thu ...
Computational Psychiatry Seminar: Spring 2014 Week 11: The
... Needs and desires. The utility curve f should reflect the decision maker’s physiological or economic needs. The utility of any amount exceeding the maximal consumption should also saturate. Thus utility functions often have sigmoid shape with threshold and saturation. In people, different desires le ...
... Needs and desires. The utility curve f should reflect the decision maker’s physiological or economic needs. The utility of any amount exceeding the maximal consumption should also saturate. Thus utility functions often have sigmoid shape with threshold and saturation. In people, different desires le ...
ling411-13 - Rice University
... grandmother all by itself. But it is the whole functional web that recognizes grandmother. Each part of this web naturally responds to a wide range of values, including novel values. ...
... grandmother all by itself. But it is the whole functional web that recognizes grandmother. Each part of this web naturally responds to a wide range of values, including novel values. ...
Action Representation in Mirror Neurons
... describe the action event, which reflects what normally occurs in nature, where, within a social environment, vision and sound of hand actions are typically coupled. Finally, in the remaining three neurons the response to sound alone was the strongest. A population analysis (Fig. 2B, rightmost colum ...
... describe the action event, which reflects what normally occurs in nature, where, within a social environment, vision and sound of hand actions are typically coupled. Finally, in the remaining three neurons the response to sound alone was the strongest. A population analysis (Fig. 2B, rightmost colum ...
Klasyfikacja ICD-10 (International Classification of Diseases)
... in the form of asynchronous, concurrent saccades, particularly when looking upwardly are also observed. Vergentive movements are impaired, convergence or divergence paralyses, resulting in spastic, convergent setting of the eyeballs. Ophtalmoplegia disorders, including the failure of convergence are ...
... in the form of asynchronous, concurrent saccades, particularly when looking upwardly are also observed. Vergentive movements are impaired, convergence or divergence paralyses, resulting in spastic, convergent setting of the eyeballs. Ophtalmoplegia disorders, including the failure of convergence are ...
Sensory Regeneration in Arthropods: Implications of Homoeosis
... interpretation that sensory neurons of mutants the haltere is transformed into a transformed ectopic appendages recognise wing, from which mechanoreceptors reach the central pathways of the relevant seg- the thoracic ganglia through the normal ment. It is, however, tantalising to find that metathora ...
... interpretation that sensory neurons of mutants the haltere is transformed into a transformed ectopic appendages recognise wing, from which mechanoreceptors reach the central pathways of the relevant seg- the thoracic ganglia through the normal ment. It is, however, tantalising to find that metathora ...
Remapping of Border Ownership in the Visual Cortex
... All but one of these were assigned to area V2, the other to V1. Note, however, that some of our recordings were close to the V1/V2 border, in which the assignment can be in error. We mainly studied cells that were border-ownership selective, as determined by the standard test using a significance cr ...
... All but one of these were assigned to area V2, the other to V1. Note, however, that some of our recordings were close to the V1/V2 border, in which the assignment can be in error. We mainly studied cells that were border-ownership selective, as determined by the standard test using a significance cr ...
File
... functions (e.g., blood pressure, rate and force of heartbeat, digestive tract motility) • Center for emotional response: Involved in perception of pleasure, fear, and rage and in biological rhythms and drives ...
... functions (e.g., blood pressure, rate and force of heartbeat, digestive tract motility) • Center for emotional response: Involved in perception of pleasure, fear, and rage and in biological rhythms and drives ...
Integrator or coincidence detector? The role of the cortical neuron
... most PSPs do not actually contribute to the generation of output signals, and that the number concept, no information can be carried by the precise of relevant PSPs is small compared to the total number of timing of action potentials. Correlations between the PSPs impinging on a neuron. discharges o ...
... most PSPs do not actually contribute to the generation of output signals, and that the number concept, no information can be carried by the precise of relevant PSPs is small compared to the total number of timing of action potentials. Correlations between the PSPs impinging on a neuron. discharges o ...
Neural Networks – State of Art, Brief History, Basic Models and
... everywhere. Neural networks, with their remarkable ability to derive meaning from complicated or imprecise data, can be used to extract patterns and detect trends that are too complex to be noticed by either humans or other computer techniques. A brief history of the neural networks research is pres ...
... everywhere. Neural networks, with their remarkable ability to derive meaning from complicated or imprecise data, can be used to extract patterns and detect trends that are too complex to be noticed by either humans or other computer techniques. A brief history of the neural networks research is pres ...
EN Sokolov`s Neural Model of Stimuli as Neuro
... modulating system comprises nerve cells associated with the processing of information that circulates between the neural networks that make up the afferent and effector subsystems of the conceptual reflex arc. The reflex arc activity can be represented as follows: receptors are specific sensory devi ...
... modulating system comprises nerve cells associated with the processing of information that circulates between the neural networks that make up the afferent and effector subsystems of the conceptual reflex arc. The reflex arc activity can be represented as follows: receptors are specific sensory devi ...
Artificial Neural Networks-A Study
... are then connected to one another. How these layers connect is the other part of the "art" of engineering networks to resolve the complex problems of the real world. So neural networks, with their stronger ability to derive meaning from complicated or imprecise data, can be used to extract patterns ...
... are then connected to one another. How these layers connect is the other part of the "art" of engineering networks to resolve the complex problems of the real world. So neural networks, with their stronger ability to derive meaning from complicated or imprecise data, can be used to extract patterns ...
the brain`s concepts: the role of the sensory
... among others. In Fodor’s theory (see Fodor, 1975), the purported amodal nature of concepts draws a sharp dividing line between the modular input/ output brain structures and a generalised cognitive system (unanalysed at the level of the brain), whose functioning rules are totally independent from th ...
... among others. In Fodor’s theory (see Fodor, 1975), the purported amodal nature of concepts draws a sharp dividing line between the modular input/ output brain structures and a generalised cognitive system (unanalysed at the level of the brain), whose functioning rules are totally independent from th ...
the brain`s concepts: the role of the sensory
... among others. In Fodor’s theory (see Fodor, 1975), the purported amodal nature of concepts draws a sharp dividing line between the modular input/ output brain structures and a generalised cognitive system (unanalysed at the level of the brain), whose functioning rules are totally independent from th ...
... among others. In Fodor’s theory (see Fodor, 1975), the purported amodal nature of concepts draws a sharp dividing line between the modular input/ output brain structures and a generalised cognitive system (unanalysed at the level of the brain), whose functioning rules are totally independent from th ...
1 Spiking Neurons
... is this really the code used by neurons in the brain? In other words, is a neuron which receives signals from a sensory neuron only looking at and reacting to the numbers of spikes it receives in a time window of, say, 500 ms? We will approach this question from a modeling point of view later on in ...
... is this really the code used by neurons in the brain? In other words, is a neuron which receives signals from a sensory neuron only looking at and reacting to the numbers of spikes it receives in a time window of, say, 500 ms? We will approach this question from a modeling point of view later on in ...