Beyond dreams: do sleep-related movements
... that the vigorous neural stimulation arising from the brainstem during active sleep substitutes for the lack of waking stimulation. Specifically, they suggested that this sleep-related stimulation assists in a variety of developmental processes, including “neuronal differentiation, maturation, and m ...
... that the vigorous neural stimulation arising from the brainstem during active sleep substitutes for the lack of waking stimulation. Specifically, they suggested that this sleep-related stimulation assists in a variety of developmental processes, including “neuronal differentiation, maturation, and m ...
Independent and Convergent Signals From the Pontomedullary
... were applied to the most effective spinal electrode to help in isolating RSNs with low or no spontaneous activity. When a neuron was isolated, stimulation was applied to each of the spinal electrodes in turn to determine whether the cell could be activated antidromically from the spinal cord. Cells ...
... were applied to the most effective spinal electrode to help in isolating RSNs with low or no spontaneous activity. When a neuron was isolated, stimulation was applied to each of the spinal electrodes in turn to determine whether the cell could be activated antidromically from the spinal cord. Cells ...
Neural Control of Interappendage Phase During Locomotion
... trace) are displayed. Stimuli at 30 Hz were applied via an electrode placed on the lateral region of the right connective between the first and second ganglion. Suction electrodes were utilized for recording and stimulation. Time mark, 500 ms. (From Stein, ...
... trace) are displayed. Stimuli at 30 Hz were applied via an electrode placed on the lateral region of the right connective between the first and second ganglion. Suction electrodes were utilized for recording and stimulation. Time mark, 500 ms. (From Stein, ...
PDF
... representation of states and transition functions that form the basis of flexible and adaptive ‘model-based’ behavioral control. By impairing this function, cocaine exposure leads to an overemphasis on less flexible, maladaptive ‘model-free’ control systems. We propose that such an effect accounts f ...
... representation of states and transition functions that form the basis of flexible and adaptive ‘model-based’ behavioral control. By impairing this function, cocaine exposure leads to an overemphasis on less flexible, maladaptive ‘model-free’ control systems. We propose that such an effect accounts f ...
On the computational architecture of the neocortex
... a pair of small eggs, side by side (see Fig. 2). 3 It is composed of a set of something like fifty nuclei (not all dearly marked). Each part of the cortex is reciprocally connected in a dense, continuous fashion with some nucleus in the thalamus. Two examples will be repeatedly referred to in this p ...
... a pair of small eggs, side by side (see Fig. 2). 3 It is composed of a set of something like fifty nuclei (not all dearly marked). Each part of the cortex is reciprocally connected in a dense, continuous fashion with some nucleus in the thalamus. Two examples will be repeatedly referred to in this p ...
CONTROL OF FUNCTIONAL ELECTRICAL STIMULATION FOR
... Most of the movements are mastered in early childhood; however, the repertoire is increasing and changing throughout the life, if so required. A functional movement relies upon perceptuomotor coordination that involves three main elements: the sensory information, the internal coding that is appropr ...
... Most of the movements are mastered in early childhood; however, the repertoire is increasing and changing throughout the life, if so required. A functional movement relies upon perceptuomotor coordination that involves three main elements: the sensory information, the internal coding that is appropr ...
PROGRAMME and ABSTRACTS
... (Dementia and Depression – whether the senescence has to look like that?) Introduced by: Teresa Zalewska ...
... (Dementia and Depression – whether the senescence has to look like that?) Introduced by: Teresa Zalewska ...
An Introduction to the ANS and Higher
... • “Kicks in” only during exertion, stress, or emergency • “Fight or flight” • Parasympathetic Division • Controls during resting conditions • “Rest and digest” ...
... • “Kicks in” only during exertion, stress, or emergency • “Fight or flight” • Parasympathetic Division • Controls during resting conditions • “Rest and digest” ...
On the computational architecture of the neocortex
... a pair of small eggs, side by side (see Fig. 2). 3 It is composed of a set of something like fifty nuclei (not all dearly marked). Each part of the cortex is reciprocally connected in a dense, continuous fashion with some nucleus in the thalamus. Two examples will be repeatedly referred to in this p ...
... a pair of small eggs, side by side (see Fig. 2). 3 It is composed of a set of something like fifty nuclei (not all dearly marked). Each part of the cortex is reciprocally connected in a dense, continuous fashion with some nucleus in the thalamus. Two examples will be repeatedly referred to in this p ...
Realistic synaptic inputs for model neural networks
... intersect at rates corresponding to a d e n t state, E = 0, an unstable intermediate state and a stable self-sustainedfiring state for whidt the firing rate is essentially the maximum srnglenevron rate. The firing rate for this state is unrealistically high. model neuron used throughout this discuss ...
... intersect at rates corresponding to a d e n t state, E = 0, an unstable intermediate state and a stable self-sustainedfiring state for whidt the firing rate is essentially the maximum srnglenevron rate. The firing rate for this state is unrealistically high. model neuron used throughout this discuss ...
Catastrophic Forgetting in Connectionist Networks: Causes
... Alternately, internal representational overlap was reduced by attempting to orthogonalize the hidden-layer activation patterns.18, 24, 27, 28, 29, 30, 31 It turned out that internal orthogonalization of representations could be made to emerge automatically by pre-training.21 These models all develop ...
... Alternately, internal representational overlap was reduced by attempting to orthogonalize the hidden-layer activation patterns.18, 24, 27, 28, 29, 30, 31 It turned out that internal orthogonalization of representations could be made to emerge automatically by pre-training.21 These models all develop ...
Three-dimensional reconstruction of the lentiform nucleus from
... by using serial macroscopic anatomic sections, taken from a human cadaver. When the rendered form of this wire-frame reconstruction was examined, it was found that both the putamen and globus pallidus had upper and lower poles. The distances between the upper and lower poles were 2.23 cm in the puta ...
... by using serial macroscopic anatomic sections, taken from a human cadaver. When the rendered form of this wire-frame reconstruction was examined, it was found that both the putamen and globus pallidus had upper and lower poles. The distances between the upper and lower poles were 2.23 cm in the puta ...
Functional differences between dorsal and ventral hippocampus
... al., 1997). Conversely, after dorsal hippocampal lesions an impairment of spatial task performance is observed, not affected by ventral damage (Moser et al., 1993). Recent evidence supports a functional double dissociation between dorsal and ventral hippocampus related with different behaviors invol ...
... al., 1997). Conversely, after dorsal hippocampal lesions an impairment of spatial task performance is observed, not affected by ventral damage (Moser et al., 1993). Recent evidence supports a functional double dissociation between dorsal and ventral hippocampus related with different behaviors invol ...
Multisensory Integration of Dynamic Faces and Voices
... wire with impedances between 1 and 3 M⍀ (measured at 1 kHz). The stainless-steel chamber was used as the reference. Signals were amplified, filtered (1–5000 Hz), and acquired at a 20.2 kHz sampling rate. Electrodes were lowered until multiunit cortical responses could be driven by auditory stimuli. ...
... wire with impedances between 1 and 3 M⍀ (measured at 1 kHz). The stainless-steel chamber was used as the reference. Signals were amplified, filtered (1–5000 Hz), and acquired at a 20.2 kHz sampling rate. Electrodes were lowered until multiunit cortical responses could be driven by auditory stimuli. ...
Paleolithic public goods games: why human
... such behaviors appear in our evolution much before art or symbolism, I contend, implies that human culture and cooperation did not evolve in one step. Consequently, understanding their evolution implies integrating more specific data about the evolution of the brain and behavior in extinct hominins. ...
... such behaviors appear in our evolution much before art or symbolism, I contend, implies that human culture and cooperation did not evolve in one step. Consequently, understanding their evolution implies integrating more specific data about the evolution of the brain and behavior in extinct hominins. ...
Suppression of Neural Responses to Nonoptimal Stimuli Correlates
... An increase in the firing rate of a neuron, as measured extracellularly, will be termed an “enhancement” of the neuron’s response relative to some baseline. Similarly, a decrease in the firing rate of a neuron will be termed a “suppression” of the neuron’s response. Enhancement and suppression are a ...
... An increase in the firing rate of a neuron, as measured extracellularly, will be termed an “enhancement” of the neuron’s response relative to some baseline. Similarly, a decrease in the firing rate of a neuron will be termed a “suppression” of the neuron’s response. Enhancement and suppression are a ...
Bounded Integration in Parietal Cortex Underlies
... with the choice target in the response field (RF) of each cell. Furthermore, just before the saccade, LIP neurons attain the same level of activity, independent of motion strength. Hence, in the RT task, where the stimulus viewing duration is dictated by the subject, it is hypothesized that LIP mark ...
... with the choice target in the response field (RF) of each cell. Furthermore, just before the saccade, LIP neurons attain the same level of activity, independent of motion strength. Hence, in the RT task, where the stimulus viewing duration is dictated by the subject, it is hypothesized that LIP mark ...
Short title: Thalamocortical computations during tactile sensation
... that are required to construct a realistic computational model of the thalamocortical circuit. Our ...
... that are required to construct a realistic computational model of the thalamocortical circuit. Our ...
The Torah of Life - The Torah Science Foundation
... foliage, and fruit, symbolizes a developmental program that starts with a germinating seed and culminates in fruits and new seeds. The Tree of Life symbolizes the creation of life, and the evolution of life from the perspective of the Torah. “Knowledge” in Hebrew also means “consciousness.” The Tree ...
... foliage, and fruit, symbolizes a developmental program that starts with a germinating seed and culminates in fruits and new seeds. The Tree of Life symbolizes the creation of life, and the evolution of life from the perspective of the Torah. “Knowledge” in Hebrew also means “consciousness.” The Tree ...
Brain Receptor Imaging - Society of Nuclear Medicine
... reuptake and feedback, and are modulating various functions on the cell membrane. Distribution, density, and activity of receptors in the brain can be visualized by radioligands labeled for SPECT and PET, and the receptor binding can be quantified by appropriate tracer kinetic models, which can be m ...
... reuptake and feedback, and are modulating various functions on the cell membrane. Distribution, density, and activity of receptors in the brain can be visualized by radioligands labeled for SPECT and PET, and the receptor binding can be quantified by appropriate tracer kinetic models, which can be m ...
Selective Loss of Catecholaminergic Wake–Active Neurons in a
... ANOVA (n ⫽ 5 mice per IH and behavioral state condition) with independent variables of behavioral state and LTIH condition. A Bonferroni’s correction was performed for the number of wake groups analyzed ( p ⬍ 0.01). Cleaved caspase-3 immunohistochemistry. In addition to demonstrating functional impa ...
... ANOVA (n ⫽ 5 mice per IH and behavioral state condition) with independent variables of behavioral state and LTIH condition. A Bonferroni’s correction was performed for the number of wake groups analyzed ( p ⬍ 0.01). Cleaved caspase-3 immunohistochemistry. In addition to demonstrating functional impa ...
Feedforward, horizontal, and feedback processing
... identical up to about 80 ms after stimulus onset (note the horizontal wave at the back of the plot, which is at 50 ms). Then, responses are ‘highlighted’ at the boundary between figure and ground first. This is followed by an equal response enhancement for all positions of the RF within the figure, ...
... identical up to about 80 ms after stimulus onset (note the horizontal wave at the back of the plot, which is at 50 ms). Then, responses are ‘highlighted’ at the boundary between figure and ground first. This is followed by an equal response enhancement for all positions of the RF within the figure, ...
Visual and oculomotor selection: links, causes and
... used as targets for saccades [30–33]. Moore and Armstrong examined whether similar visual response enhancements would result from FEF stimulation, in monkeys that were not performing attention tasks, but merely fixating. They found that very brief (20–50 ms) subthreshold microstimulation of the FEF ...
... used as targets for saccades [30–33]. Moore and Armstrong examined whether similar visual response enhancements would result from FEF stimulation, in monkeys that were not performing attention tasks, but merely fixating. They found that very brief (20–50 ms) subthreshold microstimulation of the FEF ...
Motor Cortex Neural Correlates of Output Kinematics and Kinetics
... intrinsic limb-, joint-, or muscle-centered parameters (Caminiti et al. 1990, 1991; Kakei et al. 1999, 2001, 2003; Scott and Kalaska 1997; Sergio and Kalaska 1997, 2003) and whether the reference frame is centered on the hand or on other parts of the limb (Cabel et al. 2001; Caminiti et al. 1990, 19 ...
... intrinsic limb-, joint-, or muscle-centered parameters (Caminiti et al. 1990, 1991; Kakei et al. 1999, 2001, 2003; Scott and Kalaska 1997; Sergio and Kalaska 1997, 2003) and whether the reference frame is centered on the hand or on other parts of the limb (Cabel et al. 2001; Caminiti et al. 1990, 19 ...
PDF file
... through either an explicit search or implicit gradient-based search. They are generally called explicit matching approaches. Category (1) fails to perform well in image regions with weak texture or when a patch of the image is missing in either of left or right images (i.e., occlusion), as it requir ...
... through either an explicit search or implicit gradient-based search. They are generally called explicit matching approaches. Category (1) fails to perform well in image regions with weak texture or when a patch of the image is missing in either of left or right images (i.e., occlusion), as it requir ...