Specific nonlinear models
... mathematical operations and writing results back to memory. • The intelligence of biological brains is different, it lies in the interconnection strengths, learning occurs by modifying connections (dynamical systems) • Neural networks do not separate memory and processing but operate via the flow of ...
... mathematical operations and writing results back to memory. • The intelligence of biological brains is different, it lies in the interconnection strengths, learning occurs by modifying connections (dynamical systems) • Neural networks do not separate memory and processing but operate via the flow of ...
LIONway-slides-chapter9
... mathematical operations and writing results back to memory. • The intelligence of biological brains is different, it lies in the interconnection strengths, learning occurs by modifying connections (dynamical systems) • Neural networks do not separate memory and processing but operate via the flow of ...
... mathematical operations and writing results back to memory. • The intelligence of biological brains is different, it lies in the interconnection strengths, learning occurs by modifying connections (dynamical systems) • Neural networks do not separate memory and processing but operate via the flow of ...
Hippocampus, cortex, and basal ganglia: Insights
... representations in FC represent isolated stripes (columns) of neurons capable of sustained firing (i.e., active maintenance or working memory). The basal ganglia also play a critical role in the FC system by modulating (‘‘gating’’) activations there based on learned reinforcement history. ...
... representations in FC represent isolated stripes (columns) of neurons capable of sustained firing (i.e., active maintenance or working memory). The basal ganglia also play a critical role in the FC system by modulating (‘‘gating’’) activations there based on learned reinforcement history. ...
Document
... The lateral connections are used to create a competition between neurons. The neuron with the largest activation level among all neurons in the output layer becomes the winner. This neuron is the only neuron that produces an output signal. The activity of all other neurons is suppressed in the co ...
... The lateral connections are used to create a competition between neurons. The neuron with the largest activation level among all neurons in the output layer becomes the winner. This neuron is the only neuron that produces an output signal. The activity of all other neurons is suppressed in the co ...
SC1l Terminology CLEAN
... A response identified by the handler that something is true or present when it is not. This can only be verified in a controlled testing scenario. Also referred to as false alert however the preferred term is false positive. . Scientific usage: Type I error. Operational usage: In a controlled enviro ...
... A response identified by the handler that something is true or present when it is not. This can only be verified in a controlled testing scenario. Also referred to as false alert however the preferred term is false positive. . Scientific usage: Type I error. Operational usage: In a controlled enviro ...
Elastic instabilities in a layered cerebral cortex: A revised axonal
... demonstrate that the intracortical buckling drives folding and not axonal tension from the underlying white matter, though the effect of growth of cells outside the cortex, i.e. new white matter, cannot be ruled out [5]. In addition, a quantitative model of buckling of an elastic plate (the top laye ...
... demonstrate that the intracortical buckling drives folding and not axonal tension from the underlying white matter, though the effect of growth of cells outside the cortex, i.e. new white matter, cannot be ruled out [5]. In addition, a quantitative model of buckling of an elastic plate (the top laye ...
RELATING BEHAVIOR AND NEUROSCIENCE: INTRODUCTION
... extinction of discrete-trial fixed-ratio or fixedinterval responding in the inbred mouse strain C57Bl/6 (a standard strain used in research). Extinction under all schedules was subject to facilitation by drug injections of chlordiazepoxide, but only if a number of extinction sessions had already occ ...
... extinction of discrete-trial fixed-ratio or fixedinterval responding in the inbred mouse strain C57Bl/6 (a standard strain used in research). Extinction under all schedules was subject to facilitation by drug injections of chlordiazepoxide, but only if a number of extinction sessions had already occ ...
BHG025.CHP:Corel VENTURA
... surfaces loose their ventricular attachments after terminal division and translocate their somata through pial-directed processes. However, as hypothesized by Morest (Morest, 1970), perikaryal translocation does not provide a plausible mechanism for the migration of later born cortical neurons, part ...
... surfaces loose their ventricular attachments after terminal division and translocate their somata through pial-directed processes. However, as hypothesized by Morest (Morest, 1970), perikaryal translocation does not provide a plausible mechanism for the migration of later born cortical neurons, part ...
Joint EuroSPIN/NeuroTime Meeting 2013, January 14
... many motor and cognitive functions. The striatum, the input stage of the basal ganglia, is a major recipient of massive glutamatergic inputs from the cerebral cortex and thalamus. Medium spiny neurons (MSNs) dominate in the striatum (up to 95% in rodents). They are inhibitory (GABAergic) and have me ...
... many motor and cognitive functions. The striatum, the input stage of the basal ganglia, is a major recipient of massive glutamatergic inputs from the cerebral cortex and thalamus. Medium spiny neurons (MSNs) dominate in the striatum (up to 95% in rodents). They are inhibitory (GABAergic) and have me ...
Fear conditioning model predicts key temporal
... The question therefore naturally arises as to whether or the extent to which the facts and rules regarding temporal aspects of CR production—as gleaned from short-delay conditioning procedures—also apply to longer delay conditioning procedures. As noted earlier, the ISI function appears to depend at ...
... The question therefore naturally arises as to whether or the extent to which the facts and rules regarding temporal aspects of CR production—as gleaned from short-delay conditioning procedures—also apply to longer delay conditioning procedures. As noted earlier, the ISI function appears to depend at ...
Flowers and weeds: cell-type specific pruning in the developing
... [3,5]. The local structure of retinal waves is ideal to provide an instructive role for precise retinotopy via synchronous signaling to strengthen synapses (a 'fire together, wire together’ mechanism known as Hebbian type reinforcement), while the asynchrony between the activities of both eyes could ...
... [3,5]. The local structure of retinal waves is ideal to provide an instructive role for precise retinotopy via synchronous signaling to strengthen synapses (a 'fire together, wire together’ mechanism known as Hebbian type reinforcement), while the asynchrony between the activities of both eyes could ...
Connectionist Modeling
... • One way the brain learns is by modification of synapses as a result of experience. • Hebb’s postulate (1949): – When an axon of cell A … excites cell B and repeatedly or persistently takes part in firing it, some growth process or metabolic change takes place in one or both cells so that A’s effic ...
... • One way the brain learns is by modification of synapses as a result of experience. • Hebb’s postulate (1949): – When an axon of cell A … excites cell B and repeatedly or persistently takes part in firing it, some growth process or metabolic change takes place in one or both cells so that A’s effic ...
Slide 1
... saccades. Omnipause neurons (OPN) located near the midline in the nucleus raphe interpositus (RIP) tonically inhibit excitatory burst neurons (EBN) located in the paramedian pontine reticular formation (PPRF). When OPNs pause, the EBNs emit a burst of spikes, which activate motor neurons (MN) in the ...
... saccades. Omnipause neurons (OPN) located near the midline in the nucleus raphe interpositus (RIP) tonically inhibit excitatory burst neurons (EBN) located in the paramedian pontine reticular formation (PPRF). When OPNs pause, the EBNs emit a burst of spikes, which activate motor neurons (MN) in the ...
2015 Paget Lecture transcript Four stories about the brain
... lobes, the parietal lobe, the occipital lobe, the temporal lobe and frontal lobe. The general layout of those areas is similar in all mammals and moreover the disposition and function of major areas responsible for sensory processing and control of movement are very similar in their arrangement in m ...
... lobes, the parietal lobe, the occipital lobe, the temporal lobe and frontal lobe. The general layout of those areas is similar in all mammals and moreover the disposition and function of major areas responsible for sensory processing and control of movement are very similar in their arrangement in m ...
CHEMICAL SENSES: SMELL AND TASTE _____ = Olfaction
... ______ of food is a composite of _____________ ________________. - when nose is congested by infection, food “tastes” different because the olfactory system is “blocked” In humans, the senses of taste and smell have lost important survival characteristics In many animal species, taste (especially of ...
... ______ of food is a composite of _____________ ________________. - when nose is congested by infection, food “tastes” different because the olfactory system is “blocked” In humans, the senses of taste and smell have lost important survival characteristics In many animal species, taste (especially of ...
Abstract Browser - The Journal of Neuroscience
... six patients with focal vmPFC lesions, in comparison with forty neurologically intact controls and six brain-damaged controls. There were three computational signals of interest as participants played a fairness game (ultimatum game): sensitivity to the fairness of offers, sensitivity to deviations ...
... six patients with focal vmPFC lesions, in comparison with forty neurologically intact controls and six brain-damaged controls. There were three computational signals of interest as participants played a fairness game (ultimatum game): sensitivity to the fairness of offers, sensitivity to deviations ...
cortico-cortical feedback controls spatial summation in
... peer-reviewed) is the author/funder. It is made available under a CC-BY-NC-ND 4.0 International license. ...
... peer-reviewed) is the author/funder. It is made available under a CC-BY-NC-ND 4.0 International license. ...
Review The Neural Basis of Perceptual Learning
... and Levi, 1995; Fahle and Morgan, 1996). Other visual perceptual tasks that improve with training include the ability to discriminate orientation (Vogels and Orban, 1985; Shiu and Pashler, 1992; Schoups et al., 1995), the direction of motion (Ball and Sekuler, 1982, 1987), the differences in the wav ...
... and Levi, 1995; Fahle and Morgan, 1996). Other visual perceptual tasks that improve with training include the ability to discriminate orientation (Vogels and Orban, 1985; Shiu and Pashler, 1992; Schoups et al., 1995), the direction of motion (Ball and Sekuler, 1982, 1987), the differences in the wav ...
- City Research Online
... DATA: Results that have not yet been demonstrated in a wide variety of procedures/ organisms. Models may or may not address these. ...
... DATA: Results that have not yet been demonstrated in a wide variety of procedures/ organisms. Models may or may not address these. ...
Dispatch Vision: How to Train Visual Cortex to Predict Reward Time
... magnitude. They showed mathematically that multiple sources of noise result in scalar properties under the assumptions of an ecological model of decision making. This result is likely rooted in the generality of the Poisson limit theorem postulating that discrete distributions combining multiple ind ...
... magnitude. They showed mathematically that multiple sources of noise result in scalar properties under the assumptions of an ecological model of decision making. This result is likely rooted in the generality of the Poisson limit theorem postulating that discrete distributions combining multiple ind ...
lecture 12 - McLoon Lab - University of Minnesota
... lower medullar forming the lateral corticospinal tract. ...
... lower medullar forming the lateral corticospinal tract. ...
LEARNING AND MEMORY IN HONEYBEES
... (bee blue-green) slowest (Menzel 1967). Hue salience reflects an innate predisposition and can be understood as an innate expectancy of reward probability (Giurfa et al. 1995). Odor salience is also ranked according to biological significance (Koltermann 1973), but even repellent stimuli or the bee' ...
... (bee blue-green) slowest (Menzel 1967). Hue salience reflects an innate predisposition and can be understood as an innate expectancy of reward probability (Giurfa et al. 1995). Odor salience is also ranked according to biological significance (Koltermann 1973), but even repellent stimuli or the bee' ...
pharm chapter 8 [3-16
... (including hippocampus and surrounding structures), and amygdala Responsible for emotion, social behavior, autonomic control, perception of pain, and memory Memory loss associated with Alzheimer’s caused by degeneration of hippocampal formation Many drugs of abuse stimulate brain reward pathwa ...
... (including hippocampus and surrounding structures), and amygdala Responsible for emotion, social behavior, autonomic control, perception of pain, and memory Memory loss associated with Alzheimer’s caused by degeneration of hippocampal formation Many drugs of abuse stimulate brain reward pathwa ...
septins were depleted Orai1 became sites. However, more work will be
... These new results provide important information on the nature of input to the hippocampal formation. In particular, the hippocampus contains place cells that respond on the basis of spatial location [13]. These place cells could be driven by the neurons in medial entorhinal cortex responding to spat ...
... These new results provide important information on the nature of input to the hippocampal formation. In particular, the hippocampus contains place cells that respond on the basis of spatial location [13]. These place cells could be driven by the neurons in medial entorhinal cortex responding to spat ...