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 ...
PDF of article - Janelia Research Campus
... hand side of Figure 2f to b). LPTCs, however, still respond to both rotation and translation of the fly, whereas the gaze-stabilization system is primarily tuned for rotations [12]. This ambiguity is partially resolved by neck motor neurons (NMNs) [31!] and some descending neurons (DNs) [32] which i ...
... hand side of Figure 2f to b). LPTCs, however, still respond to both rotation and translation of the fly, whereas the gaze-stabilization system is primarily tuned for rotations [12]. This ambiguity is partially resolved by neck motor neurons (NMNs) [31!] and some descending neurons (DNs) [32] which i ...
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... principles have been used in computational modeling (Favorov and Kursun, 2011), applied in developing synthetic neural modeling (Edelman et al., 1992), and used in developing machines with memory capabilities (Edelman, 2007). At the level of neuronal activation, binding by neural synchrony (Legendy, ...
... principles have been used in computational modeling (Favorov and Kursun, 2011), applied in developing synthetic neural modeling (Edelman et al., 1992), and used in developing machines with memory capabilities (Edelman, 2007). At the level of neuronal activation, binding by neural synchrony (Legendy, ...
Toward a Unified Theory of Visual Area V4
... and has been a focus of many studies on visual attention. However, there is no unifying view of V4’s role in visual processing. Neither is there an understanding of how its role in feature processing interfaces with its role in visual attention. This review captures our current knowledge of V4, larg ...
... and has been a focus of many studies on visual attention. However, there is no unifying view of V4’s role in visual processing. Neither is there an understanding of how its role in feature processing interfaces with its role in visual attention. This review captures our current knowledge of V4, larg ...
Frequency-Dependent Processing in the Vibrissa Sensory System
... In the final section, I hypothesize that distinct low- and high-frequency processing modes may exist in the somatosensory cortex (SI), such that neural responses to stimuli at 1– 40 Hz do not necessarily predict responses to higher frequency inputs. In total, these studies show that several frequenc ...
... In the final section, I hypothesize that distinct low- and high-frequency processing modes may exist in the somatosensory cortex (SI), such that neural responses to stimuli at 1– 40 Hz do not necessarily predict responses to higher frequency inputs. In total, these studies show that several frequenc ...
lmmunohistochemical Localization of Neuronal Nicotinic Receptors
... are structurally unrelated (Kubo et al., 1986a, b) to nicotinic ACh receptors (AChR, Noda et al., 1983a, b), which act by regulating directly the opening of a cation channel that is an intrinsic component of the molecule. Furthermore, subtypesof neuronal AChRs have been identified on the basisof pha ...
... are structurally unrelated (Kubo et al., 1986a, b) to nicotinic ACh receptors (AChR, Noda et al., 1983a, b), which act by regulating directly the opening of a cation channel that is an intrinsic component of the molecule. Furthermore, subtypesof neuronal AChRs have been identified on the basisof pha ...
PFC Part 2
... Selectively represents goal-relevant information (focal attention, recall). Synthesizes information from diverse sources to serve a common behavioral goal (sensory inputs, stored knowledge). Is plastic: it neural activity changes to meet behavioral demands. Knits together arbitrary associations betw ...
... Selectively represents goal-relevant information (focal attention, recall). Synthesizes information from diverse sources to serve a common behavioral goal (sensory inputs, stored knowledge). Is plastic: it neural activity changes to meet behavioral demands. Knits together arbitrary associations betw ...
Neural Coding 2016
... bridging disciplines and introducing theoretical ideas and methods to neuroscience research. This concept of combining theoretical and experimental approaches has proven highly successful and nowadays plays a pivotal role in the modern neurosciences. Research in neural coding covers neural represent ...
... bridging disciplines and introducing theoretical ideas and methods to neuroscience research. This concept of combining theoretical and experimental approaches has proven highly successful and nowadays plays a pivotal role in the modern neurosciences. Research in neural coding covers neural represent ...
- Neuro-Optometric Rehabilitation Association
... which a patient can maintain coordinated eye aiming. A normal range of fixation disparity is achieved by a two-speed mechanism [19]. There is a faster response to retinal image disparity and then a slower response for binocular alignment. The timing and balance of this sequencing is dependent on reti ...
... which a patient can maintain coordinated eye aiming. A normal range of fixation disparity is achieved by a two-speed mechanism [19]. There is a faster response to retinal image disparity and then a slower response for binocular alignment. The timing and balance of this sequencing is dependent on reti ...
“Conscious” Dorsal Stream
... object representation, while the dorsal stream is responsible for the “pragmatic mode” of stimulus processing. The semantic mode of object representation refers to object analysis described in object-centered coordinates. The pragmatic mode indicates the type of processing that stimuli have to under ...
... object representation, while the dorsal stream is responsible for the “pragmatic mode” of stimulus processing. The semantic mode of object representation refers to object analysis described in object-centered coordinates. The pragmatic mode indicates the type of processing that stimuli have to under ...
The “Conscious” Dorsal Stream - Università degli Studi di Parma
... object representation, while the dorsal stream is responsible for the “pragmatic mode” of stimulus processing. The semantic mode of object representation refers to object analysis described in object-centered coordinates. The pragmatic mode indicates the type of processing that stimuli have to under ...
... object representation, while the dorsal stream is responsible for the “pragmatic mode” of stimulus processing. The semantic mode of object representation refers to object analysis described in object-centered coordinates. The pragmatic mode indicates the type of processing that stimuli have to under ...
Forward Prediction in the Posterior Parietal Cortex and Dynamic
... (Kleinfeld and Deschênes, 2011). However, it is unclear where and how re-afferent signals are integrated with sensory inputs to form forward predictions leading to future movements, rather than solely monitoring them. Most studies in sensorimotor neurophysiology have utilized reactive movements to s ...
... (Kleinfeld and Deschênes, 2011). However, it is unclear where and how re-afferent signals are integrated with sensory inputs to form forward predictions leading to future movements, rather than solely monitoring them. Most studies in sensorimotor neurophysiology have utilized reactive movements to s ...
High-Level Visual Processing: Cognitive Influences
... system, also direct intentions, desires, and actions at others and ourselves. In conjunction with our own behavioral goals, it is the behavioral saliency of individual objects, memories, and emotional valences as well as the real or implied actions of others that enables us to take action based on v ...
... system, also direct intentions, desires, and actions at others and ourselves. In conjunction with our own behavioral goals, it is the behavioral saliency of individual objects, memories, and emotional valences as well as the real or implied actions of others that enables us to take action based on v ...
Emergence of new signal-primitives in neural systems
... Emergence is the process by which new structures and functions come into being. There are two fundamental, but complementary, conceptions of emergence: combinatoric emergence, wherein novelty arises by new combinations of pre-existing elements, and creative emergence, wherein novelty arises by de no ...
... Emergence is the process by which new structures and functions come into being. There are two fundamental, but complementary, conceptions of emergence: combinatoric emergence, wherein novelty arises by new combinations of pre-existing elements, and creative emergence, wherein novelty arises by de no ...
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... of neuronal systems. For example, the inferior temporal cortex processes sensory information about shape and color, but is equally involved in storage of the same types of stimulus features [64]. Although psychology has traditionally divided the mind into separate functions, such as perception, memo ...
... of neuronal systems. For example, the inferior temporal cortex processes sensory information about shape and color, but is equally involved in storage of the same types of stimulus features [64]. Although psychology has traditionally divided the mind into separate functions, such as perception, memo ...
Spiking Neurons with Boltzmann-like Properties to
... a vast range of possible rules. In the simulations described below, a compensatory learning rule has been used. In addition to the firing behaviour of the two neurons a synapse connects, a compensatory rule takes into account the total weight of the synapses in these neurons, forcing the total weigh ...
... a vast range of possible rules. In the simulations described below, a compensatory learning rule has been used. In addition to the firing behaviour of the two neurons a synapse connects, a compensatory rule takes into account the total weight of the synapses in these neurons, forcing the total weigh ...
THE BRAIN`S CONCEPTS: THE ROLE OF THE SENSORY
... actions themselves. The action of grasping has both a motor component (what you do in grasping) and various perceptual components (what it looks like for someone to grasp and what a graspable object looks like). Although we won’t discuss them here, there are other modalities involved as ...
... actions themselves. The action of grasping has both a motor component (what you do in grasping) and various perceptual components (what it looks like for someone to grasp and what a graspable object looks like). Although we won’t discuss them here, there are other modalities involved as ...
Lesion mapping of social problem solving
... bases of social problem solving (measured by the Everyday Problem Solving Inventory) and examine the degree to which individual differences in performance are predicted by a broad spectrum of psychological variables, including psychometric intelligence (measured by the Wechsler Adult Intelligence Sc ...
... bases of social problem solving (measured by the Everyday Problem Solving Inventory) and examine the degree to which individual differences in performance are predicted by a broad spectrum of psychological variables, including psychometric intelligence (measured by the Wechsler Adult Intelligence Sc ...
Does Loss of Nerve Growth Factor Receptors Precede Loss of
... cell bodies and proximal neurites in the nucleusof the diagonal band of Broca and the nucleusbasalisof Meynert (Fig. lA-C). Within cell bodies,the reaction product wasconcentratedat the neuronal membrane and in the perinuclear area. No immunostaining was observed in the striatum. In brains from AD p ...
... cell bodies and proximal neurites in the nucleusof the diagonal band of Broca and the nucleusbasalisof Meynert (Fig. lA-C). Within cell bodies,the reaction product wasconcentratedat the neuronal membrane and in the perinuclear area. No immunostaining was observed in the striatum. In brains from AD p ...
Hybrid Analogies in Conceptual Innovation in Science
... in a model-system: an in vitro network of cultured neurons locally referred to as “the dish.” Building this in vitro model-system involves extracting neurons from embryonic rats, dissociating them (breaking the connections between neurons) and plating them on a dish with embedded electrodes known a ...
... in a model-system: an in vitro network of cultured neurons locally referred to as “the dish.” Building this in vitro model-system involves extracting neurons from embryonic rats, dissociating them (breaking the connections between neurons) and plating them on a dish with embedded electrodes known a ...
Fatigue and Inhibition
... inhibition. I then acts to hyperpolarize Y and prevent it from firing at the same time as X. Similarly, B excites Y, but (via J) inhibits X. (This is known as reciprocal innervation.) SYNAPTIC CHANGES IN LEARNING Now we come to the crucial question: what happens at the synapse when something is lear ...
... inhibition. I then acts to hyperpolarize Y and prevent it from firing at the same time as X. Similarly, B excites Y, but (via J) inhibits X. (This is known as reciprocal innervation.) SYNAPTIC CHANGES IN LEARNING Now we come to the crucial question: what happens at the synapse when something is lear ...
2320Lecture20
... – changes accompanied by full-field transients are hard to detect • e.g. change blindness • orienting mechanism is blinded by the transient ...
... – changes accompanied by full-field transients are hard to detect • e.g. change blindness • orienting mechanism is blinded by the transient ...
On the Role of Biophysical Properties of Cortical Neurons in Binding
... Neuroscience is progressing vigorously, and knowledge at different levels of description is rapidly accumulating. To establish relationships between results found at these different levels is one of the central challenges. In this simulation study, we demonstrate how microscopic cellular properties, ...
... Neuroscience is progressing vigorously, and knowledge at different levels of description is rapidly accumulating. To establish relationships between results found at these different levels is one of the central challenges. In this simulation study, we demonstrate how microscopic cellular properties, ...
IMPROVING OF ARTIFICIAL NEURAL NETWORKS
... neuron is Spiking Neural (SNN), what sends a response according to the data encoded in the time, so it is more suited for applications where the timing of input signals carries important information (e.g., speech recognition and other signal-processing applications). Also, SNN can be applied to the ...
... neuron is Spiking Neural (SNN), what sends a response according to the data encoded in the time, so it is more suited for applications where the timing of input signals carries important information (e.g., speech recognition and other signal-processing applications). Also, SNN can be applied to the ...