Implications on visual apperception: energy, duration
... perception/representation/function) requires energetic conditions. The brain can perceive, detect, discriminate, and recognize consciously just those pieces of external information, which reach a critical intrinsic energetic level (guaranteed by neuronal mitochondrial activity), an adequate duration ...
... perception/representation/function) requires energetic conditions. The brain can perceive, detect, discriminate, and recognize consciously just those pieces of external information, which reach a critical intrinsic energetic level (guaranteed by neuronal mitochondrial activity), an adequate duration ...
ASL: Hierarchy, Composition, Heterogeneity, and Multi
... paradigm avoids the need to search through single input queues when looking for a particular type of message. The special communication modes, such as the express mode in ABCL [Yonezawa et al. 1986] in addition to the ordinary communication mode), and the special reply port, in addition to the regul ...
... paradigm avoids the need to search through single input queues when looking for a particular type of message. The special communication modes, such as the express mode in ABCL [Yonezawa et al. 1986] in addition to the ordinary communication mode), and the special reply port, in addition to the regul ...
The Resilience of Computationalism - Philsci
... For some X’s, it may be questionable whether X is real or is a genuine feature of cognition. For instance, someone might deny that qualia are real (Dennett 1988) or that the mind is embodied and embedded in a nontrivial sense. Consider that neural systems can exhibit many of their characteristic pro ...
... For some X’s, it may be questionable whether X is real or is a genuine feature of cognition. For instance, someone might deny that qualia are real (Dennett 1988) or that the mind is embodied and embedded in a nontrivial sense. Consider that neural systems can exhibit many of their characteristic pro ...
What makes a good model of natural images?
... - the principal components of the data with minimal eigenvalue [27]. Thus training in this case is extremely fast and requires just one eigenvector computation on the training set. It has also been shown that in the undercomplete case - when the number of filters is smaller than the dimensionality o ...
... - the principal components of the data with minimal eigenvalue [27]. Thus training in this case is extremely fast and requires just one eigenvector computation on the training set. It has also been shown that in the undercomplete case - when the number of filters is smaller than the dimensionality o ...
PDF
... The sizes of 'event' MURFs were plotted quantitatively using computer control of the visual stimulus and analysis or the acquired spike data. Visual stimuli consisted of square dark stimuli moved systematically, under computer control, across a large television screen. The approximate position of th ...
... The sizes of 'event' MURFs were plotted quantitatively using computer control of the visual stimulus and analysis or the acquired spike data. Visual stimuli consisted of square dark stimuli moved systematically, under computer control, across a large television screen. The approximate position of th ...
Beyond the classical receptive field: The effect of contextual stimuli
... Our perception relies on the interaction between proximal and distant points in visual space, requiring short- and long-range neural connections among neurons responding to different regions within the retinotopic map. Evidently, the classical center-surround RF can only accommodate short-range inte ...
... Our perception relies on the interaction between proximal and distant points in visual space, requiring short- and long-range neural connections among neurons responding to different regions within the retinotopic map. Evidently, the classical center-surround RF can only accommodate short-range inte ...
Volumetric MRI Classification for Alzheimer`s Diseases Based on
... from one subject to another.Based on the scales-space theory, anatomical structures can be modeled and identified by a large number of distinctive local and scale-invariant features, other than at arbitrarily global or voxel-level12. Local features are distinctive and informative so as to represent ...
... from one subject to another.Based on the scales-space theory, anatomical structures can be modeled and identified by a large number of distinctive local and scale-invariant features, other than at arbitrarily global or voxel-level12. Local features are distinctive and informative so as to represent ...
An Efficient Learning Procedure for Deep Boltzmann Machines
... We present a new learning algorithm for Boltzmann Machines that contain many layers of hidden variables. Data-dependent statistics are estimated using a variational approximation that tends to focus on a single mode, and data-independent statistics are estimated using persistent Markov chains. The u ...
... We present a new learning algorithm for Boltzmann Machines that contain many layers of hidden variables. Data-dependent statistics are estimated using a variational approximation that tends to focus on a single mode, and data-independent statistics are estimated using persistent Markov chains. The u ...
Structure-function relationship in hierarchical model of brain networks
... the dynamics of the network, using generic oscillators (periodic or chaotic) as the nodes of typical network models like small-world and scale-free networks, globally or sparsely connected with random architectures [15, 23, 70]. The ability of the network to achieve rather idealized complete synchro ...
... the dynamics of the network, using generic oscillators (periodic or chaotic) as the nodes of typical network models like small-world and scale-free networks, globally or sparsely connected with random architectures [15, 23, 70]. The ability of the network to achieve rather idealized complete synchro ...
Extended PDF
... MADM Analysis of Neocortical Neurogenesis In MADM, Cre recombinase-mediated interchromosomal recombination in the G2 phase of dividing progenitors followed by X-segregation (G2-X, segregation of recombinant sister chromatids into separate daughter cells) reconstitutes one of two fluorescent markers, ...
... MADM Analysis of Neocortical Neurogenesis In MADM, Cre recombinase-mediated interchromosomal recombination in the G2 phase of dividing progenitors followed by X-segregation (G2-X, segregation of recombinant sister chromatids into separate daughter cells) reconstitutes one of two fluorescent markers, ...
Target neuron prespecification in the olfactory map of Drosophila
... to estimate the binaural FTRFs. In fact, matching the levels of these very different types of auditory stimuli would pose dif®cult technical problems. However, to allow a post hoc comparison between the sound levels used during the FTRF measurement and the SRF mapping we estimated the level of the V ...
... to estimate the binaural FTRFs. In fact, matching the levels of these very different types of auditory stimuli would pose dif®cult technical problems. However, to allow a post hoc comparison between the sound levels used during the FTRF measurement and the SRF mapping we estimated the level of the V ...
Convergence in Mammalian Nucleus of Solitary Tract During
... essentialcomponent of sensory circuits, and knowledge of receptive field development is important in understandingfunctional differentiation of sensorypathways. To understand better the development and maturation of neural circuits for salt taste processing,we have mademeasures of receptive field si ...
... essentialcomponent of sensory circuits, and knowledge of receptive field development is important in understandingfunctional differentiation of sensorypathways. To understand better the development and maturation of neural circuits for salt taste processing,we have mademeasures of receptive field si ...
Solving the Distal Reward Problem through
... where sd is the time constant of DA uptake and DA(t) models the source of DA due to the activity of dopaminergic neurons in the midbrain structures VTA and substantia nigra pars compacta. A better description of DA kinetics, based on Michaelis--Menten formalism, was recently suggested by Montague et ...
... where sd is the time constant of DA uptake and DA(t) models the source of DA due to the activity of dopaminergic neurons in the midbrain structures VTA and substantia nigra pars compacta. A better description of DA kinetics, based on Michaelis--Menten formalism, was recently suggested by Montague et ...
Comparing neuronal and behavioral thresholds
... speed of the neurons. The pattern eccentricity varied from 5 to 121 from the fixation point, and the pattern size was approximately equal to that eccentricity. Most neurons had preferred speeds between 4 and 161/s. We adjusted the speeds of the dots at the aperture’s border depending on that preferr ...
... speed of the neurons. The pattern eccentricity varied from 5 to 121 from the fixation point, and the pattern size was approximately equal to that eccentricity. Most neurons had preferred speeds between 4 and 161/s. We adjusted the speeds of the dots at the aperture’s border depending on that preferr ...
On the Significance of Neuronal Giantism in Gastropods
... question that looms is: why do the pulmonates and opisthobranchs display such pronounced neuron giantism whereas other gastropod taxa do not? The best answer will probably rest on future comparative observations on species chosen for particular nervous system characters, but the context for such com ...
... question that looms is: why do the pulmonates and opisthobranchs display such pronounced neuron giantism whereas other gastropod taxa do not? The best answer will probably rest on future comparative observations on species chosen for particular nervous system characters, but the context for such com ...
The role of spiking nonlinearity in contrast gain control
... system identification techniques (Chander & Chichilnisky, 2001; Paninski, 2003; Pillow & Simoncelli, 2003; Schwartz et al., 2002) have been developed to recover the exact transfer functions by ruling out the effect due to nonlinearity. Moreover, our previous investigation (Yu & Lee, 2003) suggested th ...
... system identification techniques (Chander & Chichilnisky, 2001; Paninski, 2003; Pillow & Simoncelli, 2003; Schwartz et al., 2002) have been developed to recover the exact transfer functions by ruling out the effect due to nonlinearity. Moreover, our previous investigation (Yu & Lee, 2003) suggested th ...
The W cell pathway to cat primary visual cortex
... total of 231 synaptic boutons from layers 1, 2/3, and 5 (95 from layer 1, 69 from layer 2/3, and 67 from layer 5) in two cats. Almost half (118 boutons) were sectioned serially and completely reconstructed. The remainder (113) were less complete, often single sections, but more if it was necessary t ...
... total of 231 synaptic boutons from layers 1, 2/3, and 5 (95 from layer 1, 69 from layer 2/3, and 67 from layer 5) in two cats. Almost half (118 boutons) were sectioned serially and completely reconstructed. The remainder (113) were less complete, often single sections, but more if it was necessary t ...
Signals Conveyed in the Pulvinar Pathway from Superior Colliculus
... and Wurtz, 2010). If stimulation activated the neuron through the synmapping receptive field (RF) structure. We report on a variable number apse (orthodromic activation), the pulvinar neuron received input from of neurons for each task because many cells were lost after only partial the stimulated s ...
... and Wurtz, 2010). If stimulation activated the neuron through the synmapping receptive field (RF) structure. We report on a variable number apse (orthodromic activation), the pulvinar neuron received input from of neurons for each task because many cells were lost after only partial the stimulated s ...
An Integrate-and-fire Model of Prefrontal Cortex Neuronal Activity during Performance of Goal-directed
... Jensen et al., 1996; Koene et al., 2003). We propose that the retrieval of goal-directed behavior depends on the spread of activity through strengthened connections from a minicolumn that represents the reward state and from the specific state minicolumn activated by current input. Consistent with th ...
... Jensen et al., 1996; Koene et al., 2003). We propose that the retrieval of goal-directed behavior depends on the spread of activity through strengthened connections from a minicolumn that represents the reward state and from the specific state minicolumn activated by current input. Consistent with th ...
Mapping Function Onto Neuronal Morphology
... final morphologies and simulations of the electrophysiological neuronal dynamics should be compared with biological data. The compartmental models we used are based on the “well-established” description of current flow in neurons by the cable equation (Rall ...
... final morphologies and simulations of the electrophysiological neuronal dynamics should be compared with biological data. The compartmental models we used are based on the “well-established” description of current flow in neurons by the cable equation (Rall ...
5. hierarchical multimodal language modeling
... The final model offers to ground language instructions in actions (GILA) model by taking three example action verbs represented in the second model and ground these in actual actions. In doing so this GLIA model learn to perform and recognise three complex behaviours, ‘go’, ‘pick’ and ‘lift’ and to ...
... The final model offers to ground language instructions in actions (GILA) model by taking three example action verbs represented in the second model and ground these in actual actions. In doing so this GLIA model learn to perform and recognise three complex behaviours, ‘go’, ‘pick’ and ‘lift’ and to ...
A Neuronal Model of Predictive Coding Accounting for the
... Shinozaki et al., 1998) modalities, supporting a broad computational significance of MMN as a shared and automatic brain mechanism responsive to stimulus novelty. MMN is frequently interpreted in terms of predictive coding (Rao and Ballard, 1999; Lee and Mumford, 2003), assuming that the brain does ...
... Shinozaki et al., 1998) modalities, supporting a broad computational significance of MMN as a shared and automatic brain mechanism responsive to stimulus novelty. MMN is frequently interpreted in terms of predictive coding (Rao and Ballard, 1999; Lee and Mumford, 2003), assuming that the brain does ...
Expectation of reward modulates cognitive signals in the basal ganglia
... cue location. However, correct performance was only rewarded when the cue had appeared at one of the four possible locations. ...
... cue location. However, correct performance was only rewarded when the cue had appeared at one of the four possible locations. ...
Specific synapses develop preferentially among sister excitatory
... input enters primarily into layer 4 (the first station of sensory processing). Layer 4 excitatory neurons send ascending projections to pyramidal neurons in layer 2/3 (the second station of columnar processing), which provide a prevalent descending projection to layer 5/6 pyramidal neurons (the thir ...
... input enters primarily into layer 4 (the first station of sensory processing). Layer 4 excitatory neurons send ascending projections to pyramidal neurons in layer 2/3 (the second station of columnar processing), which provide a prevalent descending projection to layer 5/6 pyramidal neurons (the thir ...
Hybrid Scheme for Modeling Local Field Potentials from Point
... conservation, the sum of all transmembrane currents, including all ionic and capacitive currents, must be zero for each neuron. In a point-neuron model, all transmembrane currents are collapsed in a single point in space. The net transmembrane current, and hence the extracellular potential, therefor ...
... conservation, the sum of all transmembrane currents, including all ionic and capacitive currents, must be zero for each neuron. In a point-neuron model, all transmembrane currents are collapsed in a single point in space. The net transmembrane current, and hence the extracellular potential, therefor ...