The Resilience of Computationalism - Philsci
... principled reason why computations cannot be realized by processes of chemical diffusion.4 Even if the chemical signals in question were essentially non-computational, pointing out that they occur in the brain would not show that neural processes are non-computational. Here, different considerations ...
... principled reason why computations cannot be realized by processes of chemical diffusion.4 Even if the chemical signals in question were essentially non-computational, pointing out that they occur in the brain would not show that neural processes are non-computational. Here, different considerations ...
AND X 2
... Epoch : Presentation of the entire training set to the neural network. In the case of the AND function an epoch consists of four sets of inputs (patterns) being presented to the network (i.e. [0,0], [0,1], [1,0], [1,1]) G51IAI – Introduction to AI ...
... Epoch : Presentation of the entire training set to the neural network. In the case of the AND function an epoch consists of four sets of inputs (patterns) being presented to the network (i.e. [0,0], [0,1], [1,0], [1,1]) G51IAI – Introduction to AI ...
Location of the polysensory zone in the precentral gyrus
... receptive field. Objects farther than about 20 cm from the body did not give consistent responses. One site had a visual response but no detectable somatosensory response. The visual response at this location was similar to the responses found at the other locations, in that it was best for objects ...
... receptive field. Objects farther than about 20 cm from the body did not give consistent responses. One site had a visual response but no detectable somatosensory response. The visual response at this location was similar to the responses found at the other locations, in that it was best for objects ...
Stable propagation of synchronous spiking in cortical neural networks
... The classical view of neural coding has emphasized the importance of information carried by the rate at which neurons discharge action potentials. More recent proposals that information may be carried by precise spike timing1±5 have been challenged by the assumption that these neurons operate in a n ...
... The classical view of neural coding has emphasized the importance of information carried by the rate at which neurons discharge action potentials. More recent proposals that information may be carried by precise spike timing1±5 have been challenged by the assumption that these neurons operate in a n ...
Do cortical areas emerge from a protocottex?
... organization of cells and connections that underlie functional properties is also similar. This interpretation is supported by the finding that some cells in the somatosensory cortex to which visual input is directed can respond both to visual and somatosensory stimuli in modality-appropriate ways ~ ...
... organization of cells and connections that underlie functional properties is also similar. This interpretation is supported by the finding that some cells in the somatosensory cortex to which visual input is directed can respond both to visual and somatosensory stimuli in modality-appropriate ways ~ ...
Document
... in the same position, with stimuli moved to different positions on it. The nine stimulus locations are arranged in a square grid across the background, where the grid spacings are 32 pixels horizontally or vertically. Before images are presented to VisNet’s input layer they are preprocessed by a set ...
... in the same position, with stimuli moved to different positions on it. The nine stimulus locations are arranged in a square grid across the background, where the grid spacings are 32 pixels horizontally or vertically. Before images are presented to VisNet’s input layer they are preprocessed by a set ...
Challenges for Brain Emulation
... algorithmic approaches are bio-inspired, but their biological basis is, for the most part, simplified from the more-detailed models used by neuroscientists. Autonomous vehicles and other robotic applications are likely targets for such brain-like systems. 3. For the most part, computers still use th ...
... algorithmic approaches are bio-inspired, but their biological basis is, for the most part, simplified from the more-detailed models used by neuroscientists. Autonomous vehicles and other robotic applications are likely targets for such brain-like systems. 3. For the most part, computers still use th ...
Physiology
... This occurs when an excitatory neuron stimulates an inhibitory neuron then the inhibitory neuron turns back to inhibit the initial excitatory neuron. In this case, stimulation of a neuron results in feedback inhibition of the same neuron to shorten the duration of discharge and prevent any afterdisc ...
... This occurs when an excitatory neuron stimulates an inhibitory neuron then the inhibitory neuron turns back to inhibit the initial excitatory neuron. In this case, stimulation of a neuron results in feedback inhibition of the same neuron to shorten the duration of discharge and prevent any afterdisc ...
(addl. 3)
... algorithmic approaches are bio-inspired, but their biological basis is, for the most part, simplified from the more-detailed models used by neuroscientists. Autonomous vehicles and other robotic applications are likely targets for such brain-like systems. 3. For the most part, computers still use th ...
... algorithmic approaches are bio-inspired, but their biological basis is, for the most part, simplified from the more-detailed models used by neuroscientists. Autonomous vehicles and other robotic applications are likely targets for such brain-like systems. 3. For the most part, computers still use th ...
Applied Mathematics and Computation 215
... common the further one gets from the certainties of mathematics, while at the more scientific end can tip into direction three. The third direction has had modest success, despite attracting the attention of a determined rearguard from the first school of thought, most notably that of distinguished ...
... common the further one gets from the certainties of mathematics, while at the more scientific end can tip into direction three. The third direction has had modest success, despite attracting the attention of a determined rearguard from the first school of thought, most notably that of distinguished ...
Proteus: Visual Analogy in Problem Solving
... mapping (or aligning) the the elements of target and the source, transferring knowledge from the source to the target, evaluating what was transferred in the context of the target, and storing the target in memory. These tasks may themselves involve additional subtasks. For example, the retrieval ta ...
... mapping (or aligning) the the elements of target and the source, transferring knowledge from the source to the target, evaluating what was transferred in the context of the target, and storing the target in memory. These tasks may themselves involve additional subtasks. For example, the retrieval ta ...
Mirror neurons and the 8 parallel consciousnesses
... Kasparov. Although both players were made of matter, there were clear qualitative differences between them, the so-called qualia, which form the peculiarities of consciousness. Nobody thinks that this computer “sees” or “lives” the chessboard as the man does when playing. Instead, the superior perfo ...
... Kasparov. Although both players were made of matter, there were clear qualitative differences between them, the so-called qualia, which form the peculiarities of consciousness. Nobody thinks that this computer “sees” or “lives” the chessboard as the man does when playing. Instead, the superior perfo ...
Proceedings of 2013 BMI the Second International Conference on
... unable to move. Conventional assistive devices for people with severe motor disabilities are inherently limited, often relying on residual motor function for their use. Brain-computer interfaces (BCIs) aim to provide a more powerful signal source by tapping into the rich information content that is ...
... unable to move. Conventional assistive devices for people with severe motor disabilities are inherently limited, often relying on residual motor function for their use. Brain-computer interfaces (BCIs) aim to provide a more powerful signal source by tapping into the rich information content that is ...
Neurological Principles and Rehabilitation of Action Disorders
... cup without actually moving, it is possible that a motor command is generated but is only sent to activate the forward model and not the body. This would result in a prediction of the sensory feedback that would likely accompany the movement but in the complete absence of any actual feedback . Such ...
... cup without actually moving, it is possible that a motor command is generated but is only sent to activate the forward model and not the body. This would result in a prediction of the sensory feedback that would likely accompany the movement but in the complete absence of any actual feedback . Such ...
Sparse Coding in the Neocortex
... can be highly selective to faces and other objects (e.g., Kendrick and Baldwin, 1987; Quiroga, et al. 2005). However, those promoting the usefulness of sparse representations are not proposing that the ultimate goal is to have one neuron for every object—and certainly not for a particular view of e ...
... can be highly selective to faces and other objects (e.g., Kendrick and Baldwin, 1987; Quiroga, et al. 2005). However, those promoting the usefulness of sparse representations are not proposing that the ultimate goal is to have one neuron for every object—and certainly not for a particular view of e ...
Brain-implantable biomimetic electronics as the next era in neural
... Fourth, the resulting microchip or multichip module must communicate with existing, living neural tissue in a bidirectional manner. Given that both electronic and neural systems generate and respond to electrical signals, this is feasible, though the region-specific, nonuniform distribution of neuro ...
... Fourth, the resulting microchip or multichip module must communicate with existing, living neural tissue in a bidirectional manner. Given that both electronic and neural systems generate and respond to electrical signals, this is feasible, though the region-specific, nonuniform distribution of neuro ...
T2 - Center for Neural Basis of Cognition
... Extrastriate Summary Remapping occurs at early stages of the visual hierarchy. Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active ...
... Extrastriate Summary Remapping occurs at early stages of the visual hierarchy. Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active ...
Hierarchical somatosensory processing
... Dalezios et (I/. [28] found that the metabolic activity of SI during a visually guided reaching task is most intense in area 3; they argue that it is because the representation of body parts is most intense and clearcut in area 3. Ablation of area 3 impairs performance in all somcsthetic tasks, wher ...
... Dalezios et (I/. [28] found that the metabolic activity of SI during a visually guided reaching task is most intense in area 3; they argue that it is because the representation of body parts is most intense and clearcut in area 3. Ablation of area 3 impairs performance in all somcsthetic tasks, wher ...
T2 - Center for Neural Basis of Cognition
... Extrastriate Summary Remapping occurs at early stages of the visual hierarchy. Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active ...
... Extrastriate Summary Remapping occurs at early stages of the visual hierarchy. Corollary discharge has an impact far back into the system. Remapping implies widespread connectivity in which many neurons have rapid access to information well beyond the classical receptive field. Vision is an active ...
May 21, 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 ...
Multiplication and stimulus invariance in a looming
... the processing of visual and other sensory information leading to stimulus categorization [69]. It is presently unknown whether the mechanisms that underlie this specificity are due to single cell or network mechanisms. Another example is the contrast invariance of orienta- ...
... the processing of visual and other sensory information leading to stimulus categorization [69]. It is presently unknown whether the mechanisms that underlie this specificity are due to single cell or network mechanisms. Another example is the contrast invariance of orienta- ...
Ensemble Patterns of Hippocampal CA3
... 1989), processing of information occurs during macroscopic oscillations (Buzsaki and Chrobak, 1995). Studying the contribution of the individual hippocampal regions to the overall performance is difficult during oscillatory states because oscillations tend to synchronize all neurons in the circuit. ...
... 1989), processing of information occurs during macroscopic oscillations (Buzsaki and Chrobak, 1995). Studying the contribution of the individual hippocampal regions to the overall performance is difficult during oscillatory states because oscillations tend to synchronize all neurons in the circuit. ...
Optical probing of neuronal ensemble activity
... 3D laser-scanning approaches. (a) Mechanical 3D scanning. A piezoelectric focusing element allows sinusoidal movements of the objective along the optical axis (z-axis) with a travel range of up to 400 mm and at 10 Hz rate or higher. Right panels show two options for 3D line scanning of the laser foc ...
... 3D laser-scanning approaches. (a) Mechanical 3D scanning. A piezoelectric focusing element allows sinusoidal movements of the objective along the optical axis (z-axis) with a travel range of up to 400 mm and at 10 Hz rate or higher. Right panels show two options for 3D line scanning of the laser foc ...