The Impact of Prior Experience With Cross-Modal
... refers to the general increase in the number of action potentials measured when a second modality is presented to a cell doing MI, while depression refers to the general decrease in the number of action potentials. Meredith and Stein (1983) demonstrated that a sensory stimulus (light) presented to a ...
... refers to the general increase in the number of action potentials measured when a second modality is presented to a cell doing MI, while depression refers to the general decrease in the number of action potentials. Meredith and Stein (1983) demonstrated that a sensory stimulus (light) presented to a ...
ABSTRACT BOOK CHAMPALIMAUD NEUROSCIENCE
... diversifying neuron types specialize on distinct functions (sensory, interneuron, motor) but maintain information exchange via cellular extensions that evolve into axonal connections. During evolution, more neuron types are intercalated into the circuit and take over different relay functions. Moreo ...
... diversifying neuron types specialize on distinct functions (sensory, interneuron, motor) but maintain information exchange via cellular extensions that evolve into axonal connections. During evolution, more neuron types are intercalated into the circuit and take over different relay functions. Moreo ...
“Congruent” and “Opposite” Neurons: Sisters for Multisensory
... with each other via reciprocal connections, so that optimal information processing is achieved at each local processor distributively [7]. This architecture was supported by a number of experimental findings, including the involvement of multiple, rather than a single, brain areas in visual-vestibul ...
... with each other via reciprocal connections, so that optimal information processing is achieved at each local processor distributively [7]. This architecture was supported by a number of experimental findings, including the involvement of multiple, rather than a single, brain areas in visual-vestibul ...
Analysis and Classification of EEG signals using Mixture of
... caused by skull is nearly hundred times larger than the soft tissues present in the head. As the level of signal amplitude is very low, the more number of neuron in excitation state can only produce the recordable potential by the scalp electrode system. Thus the amplifiers are ...
... caused by skull is nearly hundred times larger than the soft tissues present in the head. As the level of signal amplitude is very low, the more number of neuron in excitation state can only produce the recordable potential by the scalp electrode system. Thus the amplifiers are ...
mechanisms of visual attention in the human cortex
... feature properties, such as line orientation or color of the stimulus (Treisman & Gelade 1980, Treisman & Gormican 1988), perceptual grouping of stimulus features by Gestalt principles (Prinzmetal 1981, Duncan 1984, Driver & Baylis 1989, Lavie & Driver 1996), and the dissimilarity between the stimul ...
... feature properties, such as line orientation or color of the stimulus (Treisman & Gelade 1980, Treisman & Gormican 1988), perceptual grouping of stimulus features by Gestalt principles (Prinzmetal 1981, Duncan 1984, Driver & Baylis 1989, Lavie & Driver 1996), and the dissimilarity between the stimul ...
Towards the integration of neural mechanisms and cognition in
... How intelligence arises in humans is far to be completely unveiled. Understanding the brain mechanisms that make it possible is one of the most interesting and debated topics in neuroscience. However, recent advances speculate about that this is only half part of the story. Intelligent behaviours in ...
... How intelligence arises in humans is far to be completely unveiled. Understanding the brain mechanisms that make it possible is one of the most interesting and debated topics in neuroscience. However, recent advances speculate about that this is only half part of the story. Intelligent behaviours in ...
Untitled
... science as it enables three-dimensionally defined excitation of chromophores in biological tissue. We have developed 2P uncaging methods to reveal the microarchitecture of synaptic connections at a level of single synapses. Recently, we synthesized two novel caged-GABA compounds. 2P excitation of th ...
... science as it enables three-dimensionally defined excitation of chromophores in biological tissue. We have developed 2P uncaging methods to reveal the microarchitecture of synaptic connections at a level of single synapses. Recently, we synthesized two novel caged-GABA compounds. 2P excitation of th ...
A multi-level account of selective attention
... The modulation of neural responses by spatially selective attention was originally demonstrated in the extrastriate cortex. In a seminal study, Moran and Desimone (Moran and Desimone 1985) recorded the activity of neurons in area V4 from monkeys trained to direct attention to a spatial location with ...
... The modulation of neural responses by spatially selective attention was originally demonstrated in the extrastriate cortex. In a seminal study, Moran and Desimone (Moran and Desimone 1985) recorded the activity of neurons in area V4 from monkeys trained to direct attention to a spatial location with ...
Evolving Robots Able to Visually Discriminate Between - laral
... so to loose visual contact after a period of time that is proportional with the distance and the perceived size of the object. This in turn allows evolved robots to move more toward B than toward S independently of the relative size of the two objects. In other words, robots determine which is the ...
... so to loose visual contact after a period of time that is proportional with the distance and the perceived size of the object. This in turn allows evolved robots to move more toward B than toward S independently of the relative size of the two objects. In other words, robots determine which is the ...
Is perception informationally encapsulated? The issue of the theory-ladenness of perception
... centered representation. Damage in the left hemisphere (De Renzi, Scotti & Spinnler, 1969) is accompanied by the so-called semantic impairments, in which knowledge of the objects’ category, classification, of properties and functions is degraded or inaccessible. Studies (Taylor & Warrington, 1971; W ...
... centered representation. Damage in the left hemisphere (De Renzi, Scotti & Spinnler, 1969) is accompanied by the so-called semantic impairments, in which knowledge of the objects’ category, classification, of properties and functions is degraded or inaccessible. Studies (Taylor & Warrington, 1971; W ...
Devnich Explanation Prospectus
... the beneficial effects of explanation for other tasks, such as transfer in problem solving (e.g., Chi et al., 1989) or evaluating one’s domain knowledge (e.g., Rozenblit & Keil, 2002). A third class does not require subjects to generate explanations at all, but rather asks them to evaluate explanati ...
... the beneficial effects of explanation for other tasks, such as transfer in problem solving (e.g., Chi et al., 1989) or evaluating one’s domain knowledge (e.g., Rozenblit & Keil, 2002). A third class does not require subjects to generate explanations at all, but rather asks them to evaluate explanati ...
Auditory Cortex (1)
... 1. Woolsey CN and Walzl EM. Topical projection of nerve fibers from local regions of the cochlea to the cerebral cortex of the cat. Bulletin of the Johns Hopkins Hospital 71: 315-344, 1942. 2. Evans EF, Ross HF and Whitfield IC. The spatial distribution of unit characteristic frequency in the primar ...
... 1. Woolsey CN and Walzl EM. Topical projection of nerve fibers from local regions of the cochlea to the cerebral cortex of the cat. Bulletin of the Johns Hopkins Hospital 71: 315-344, 1942. 2. Evans EF, Ross HF and Whitfield IC. The spatial distribution of unit characteristic frequency in the primar ...
Towards comprehensive foundations of computational intelligence.
... concepts, or states of network subconfigurations, although their exact relations to neural processes were never elucidated. It was natural from this point of view to extend connectionist networks to all kinds of graphical models [99], including Bayesian belief networks and abstract network models fo ...
... concepts, or states of network subconfigurations, although their exact relations to neural processes were never elucidated. It was natural from this point of view to extend connectionist networks to all kinds of graphical models [99], including Bayesian belief networks and abstract network models fo ...
May 30, 04copy.doc
... tangentially to the pial surface, and were thaw-mounted onto gelatin subbed microscope slides. For coronal sections the whole brain was frozen in -40˚C isopentane for 5 min, transferred to 80˚C isopentane, and cut and mounted as above. Sections were air dried for 0.5 to 3 h and then stored desiccate ...
... tangentially to the pial surface, and were thaw-mounted onto gelatin subbed microscope slides. For coronal sections the whole brain was frozen in -40˚C isopentane for 5 min, transferred to 80˚C isopentane, and cut and mounted as above. Sections were air dried for 0.5 to 3 h and then stored desiccate ...
Segregation and convergence of specialised pathways in
... For instance, both areas send output to area LIP; but V4 targets the dorsal half of the area, and V5 the ventral half, with some minor overlap. Projections to the superior temporal sulcus are also mainly separate, although we found instances of direct convergence in areas FST and possibly V4t. Segre ...
... For instance, both areas send output to area LIP; but V4 targets the dorsal half of the area, and V5 the ventral half, with some minor overlap. Projections to the superior temporal sulcus are also mainly separate, although we found instances of direct convergence in areas FST and possibly V4t. Segre ...
Dissecting appetite
... neurons is sufficient to cause starvation7. To map neurons downstream of the CGRP neurons, Palmiter used a fluorescent protein to light up the axons. This revealed that they projected into the amygdala — a brain structure involved in memory and emotion. Palmiter says this could explain why we lose o ...
... neurons is sufficient to cause starvation7. To map neurons downstream of the CGRP neurons, Palmiter used a fluorescent protein to light up the axons. This revealed that they projected into the amygdala — a brain structure involved in memory and emotion. Palmiter says this could explain why we lose o ...
A visual processing task: Retina and V1
... stages in the brain. Our retina sends some 106 axons, with maybe some 10 bits/sec each. Yet, consciously we process much less information (estimate are about 100 bits/sec). These properties of the input are so called second order statistics, as the calculation of the correlation uses terms such as ⟨ ...
... stages in the brain. Our retina sends some 106 axons, with maybe some 10 bits/sec each. Yet, consciously we process much less information (estimate are about 100 bits/sec). These properties of the input are so called second order statistics, as the calculation of the correlation uses terms such as ⟨ ...
Modeling Visual Cognition
... low for white stimuli and bias should be high for letter identities and low for all other categories. In other words, filtering is based on color and pigeonholing on the letter identity. The rate of processing v(x, i) of a categorization in the race is given by two equations. By the rate equation, ...
... low for white stimuli and bias should be high for letter identities and low for all other categories. In other words, filtering is based on color and pigeonholing on the letter identity. The rate of processing v(x, i) of a categorization in the race is given by two equations. By the rate equation, ...
Millisecond Timescale Synchrony among Hippocampal Neurons
... Figure 2. Hippocampal microcircuits in the freely moving rat. Bottom, Network of pyramidal cells (triangles) and interneurons (circles) connected through excitatory (cyan), inhibitory (black), and millisecond synchronous connections (red) in a recording session with an 8 shank ⫻ 8 electrode (inset; ...
... Figure 2. Hippocampal microcircuits in the freely moving rat. Bottom, Network of pyramidal cells (triangles) and interneurons (circles) connected through excitatory (cyan), inhibitory (black), and millisecond synchronous connections (red) in a recording session with an 8 shank ⫻ 8 electrode (inset; ...
Functional Connectivity during Surround Suppression in
... Abstract—Surround suppression is a common feature of sensory neurons. For neurons of the visual cortex, it occurs when a visual stimulus extends beyond a neuron's classical receptive field, reducing the neuron's firing rate. While several studies have been attributing the suppression effect on horiz ...
... Abstract—Surround suppression is a common feature of sensory neurons. For neurons of the visual cortex, it occurs when a visual stimulus extends beyond a neuron's classical receptive field, reducing the neuron's firing rate. While several studies have been attributing the suppression effect on horiz ...
Categories in the Brain - Rice University -
... Findings relating to columns (Mountcastle, Perceptual Neuroscience, 1998) ...
... Findings relating to columns (Mountcastle, Perceptual Neuroscience, 1998) ...
weiten6_PPT04
... projected on your retina) will both be square. But as you move the paper away on the desktop, as shown in (b) and (c), the square distal stimulus projects an increasingly trapezoidal image on your retina, making the proximal stimulus more and more distorted. Nevertheless, you continue to perceive a ...
... projected on your retina) will both be square. But as you move the paper away on the desktop, as shown in (b) and (c), the square distal stimulus projects an increasingly trapezoidal image on your retina, making the proximal stimulus more and more distorted. Nevertheless, you continue to perceive a ...
Grounding conceptual knowledge in modality
... basis of mental imagery across the modalities [14 – 19]. Whereas mental imagery tends to be conscious, the re-enactments that underlie conceptual processing might often be unconscious [10]. Empirical evidence for re-enactment in the human conceptual system A large empirical literature would be expec ...
... basis of mental imagery across the modalities [14 – 19]. Whereas mental imagery tends to be conscious, the re-enactments that underlie conceptual processing might often be unconscious [10]. Empirical evidence for re-enactment in the human conceptual system A large empirical literature would be expec ...