Linkage disequilibrium maps and association mapping Review series
... a much higher relative efficiency than the kb map, both in describing LD (15) and in association mapping (16). The age of a diallelic polymorphism has been shown to be correlated with its minor allele frequency (17), but time t since the last major bottleneck follows a different pattern with constan ...
... a much higher relative efficiency than the kb map, both in describing LD (15) and in association mapping (16). The age of a diallelic polymorphism has been shown to be correlated with its minor allele frequency (17), but time t since the last major bottleneck follows a different pattern with constan ...
PET Imaging of Differential Cortical Activation to
... These studies of language processing have identified sites in the left inferior frontal cortex and posterior temporal cortex, regions classically implicated as speech/language centers from postmortem studies with aphasic patients (Geschwind, 1979). Furthermore, by comparing brain activation patterns ...
... These studies of language processing have identified sites in the left inferior frontal cortex and posterior temporal cortex, regions classically implicated as speech/language centers from postmortem studies with aphasic patients (Geschwind, 1979). Furthermore, by comparing brain activation patterns ...
TOWARDS AN "EARLY NEURAL CIRCUIT SIMULATOR": A FPGA
... possibility that rats are using gradients of radial distance across the array to make predictions about the environment while moving. This prediction could be a component of a feed-forward signal to guide the rat’s navigation behavior. The use of a FPGA is perfect for such an application, because th ...
... possibility that rats are using gradients of radial distance across the array to make predictions about the environment while moving. This prediction could be a component of a feed-forward signal to guide the rat’s navigation behavior. The use of a FPGA is perfect for such an application, because th ...
Articulation-based sound perception in verbal repetition: a functional
... in which neural activities representing speech sounds are more likely to be directly modulated by frequency and duration of sound waves. However, the latter regards speech perception as a process in an articulatory domain, not in an acoustic domain (Liberman and Mattingly, 1985; Fowler, 1986). In th ...
... in which neural activities representing speech sounds are more likely to be directly modulated by frequency and duration of sound waves. However, the latter regards speech perception as a process in an articulatory domain, not in an acoustic domain (Liberman and Mattingly, 1985; Fowler, 1986). In th ...
Information processing in a neuron ensemble with the multiplicative
... 2001). This assumption, however, is rather excessive and may not hold in a general case. For example, given the complexity and hierarchy of brain neural encoding/decoding structures, it would be more plausible to expect the encoding and decoding distributions to be different. If the decoding distrib ...
... 2001). This assumption, however, is rather excessive and may not hold in a general case. For example, given the complexity and hierarchy of brain neural encoding/decoding structures, it would be more plausible to expect the encoding and decoding distributions to be different. If the decoding distrib ...
ling411-16 - Rice University
... The McGurk effect Visual input affects auditory perception Conceptual structure affects auditory perception ...
... The McGurk effect Visual input affects auditory perception Conceptual structure affects auditory perception ...
Neural ensemble coding and statistical periodicity: Speculations on
... respectively, the values of x at times t and t+ 1. This map is referred to as the tent map because of its graphical appearance [98]. The variable x could be taken to represent, for example, the instantaneous neural firing rate or the inter-spike interval. Models of the nervous system in which time i ...
... respectively, the values of x at times t and t+ 1. This map is referred to as the tent map because of its graphical appearance [98]. The variable x could be taken to represent, for example, the instantaneous neural firing rate or the inter-spike interval. Models of the nervous system in which time i ...
Stimulus-Specific Adaptation in Auditory Cortex Is an NMDA
... (ERP) component elicited by a sound which deviates from a repeating pattern of recent sounds, and thought to be generated by a temporo-prefrontal network including auditory cortex. • This claim implies that auditory cortex units themselves play an integral role in novelty detection as indexed by the ...
... (ERP) component elicited by a sound which deviates from a repeating pattern of recent sounds, and thought to be generated by a temporo-prefrontal network including auditory cortex. • This claim implies that auditory cortex units themselves play an integral role in novelty detection as indexed by the ...
Biomechanics Models Motor Cortex Using Spinal Cord and Limb
... muscle bundles (Garner and Pandy 2001). Our solution is general in the sense that it assumes neither a specific number of DOF nor a specific number of muscles. We use general formulae, in which D stands for the number of DOF and M stands for the number of muscles. Additionally we illustrate the mode ...
... muscle bundles (Garner and Pandy 2001). Our solution is general in the sense that it assumes neither a specific number of DOF nor a specific number of muscles. We use general formulae, in which D stands for the number of DOF and M stands for the number of muscles. Additionally we illustrate the mode ...
AND X 2
... Training Value, T : When we are training a network we not only present it with the input but also with a value that we require the network to produce. For example, if we present the network with [1,1] for the AND function the training value will be 1 G51IAI – Introduction to AI ...
... Training Value, T : When we are training a network we not only present it with the input but also with a value that we require the network to produce. For example, if we present the network with [1,1] for the AND function the training value will be 1 G51IAI – Introduction to AI ...
Neural Prostheses - Gert Cauwenberghs
... response to three deliveries of a Poisson train (with mean interval = 100 ms) of light pulses (gray dashes). (b) Trial-to-trial repeatability of light-evoked spike trains, as measured by comparing the presence or absence of a spike in two repeated trials of a Poisson train (either = 100 ms or = 200 ...
... response to three deliveries of a Poisson train (with mean interval = 100 ms) of light pulses (gray dashes). (b) Trial-to-trial repeatability of light-evoked spike trains, as measured by comparing the presence or absence of a spike in two repeated trials of a Poisson train (either = 100 ms or = 200 ...
MODULE 4: MOTOR AND SOMATOSENSORY PATHWAYS
... adequate to localize the lesion in many cases. Each of these pathways crosses over, or decussates, to the contralateral side at a specific point in its course. Knowledge of these crossover points is very helpful for localizing lesions. A second localizing clue comes from an understanding of the topo ...
... adequate to localize the lesion in many cases. Each of these pathways crosses over, or decussates, to the contralateral side at a specific point in its course. Knowledge of these crossover points is very helpful for localizing lesions. A second localizing clue comes from an understanding of the topo ...
Lecture #11 Brain and processing
... Primary motor cortex corresponds point by point with specific regions of the body Cortical areas have been mapped out in diagrammatic form Homunculus provides indication of degree of fine motor control available: – hands, face, and tongue, which are capable of varied and complex movements, app ...
... Primary motor cortex corresponds point by point with specific regions of the body Cortical areas have been mapped out in diagrammatic form Homunculus provides indication of degree of fine motor control available: – hands, face, and tongue, which are capable of varied and complex movements, app ...
Motor System & Behavior
... As the cortex determines that a voluntary movement is needed, the basal ganglia become engaged in selecting and presenting the motor cortex with the right motor programs needed to perform the movement. The basal ganglia integrates all the necessary data streams for the various cortex areas, processe ...
... As the cortex determines that a voluntary movement is needed, the basal ganglia become engaged in selecting and presenting the motor cortex with the right motor programs needed to perform the movement. The basal ganglia integrates all the necessary data streams for the various cortex areas, processe ...
ALGORITHMICS - Universitatea de Vest din Timisoara
... give answers to a problem after it has been trained for similar problems ...
... give answers to a problem after it has been trained for similar problems ...
Vibration Sensitivity and a Computational Theory for Prey
... sand conducts low velocity (;50 m/sec) surface (Rayleigh) waves of sufficient amplitude and bandwidth (200, f ,500 Hz) to be biologically detectable. Eight acceleration-sensitive receptors (slit sensilla) at the tips of the scorpion’s circularly arranged legs detect surface waves generated by prey m ...
... sand conducts low velocity (;50 m/sec) surface (Rayleigh) waves of sufficient amplitude and bandwidth (200, f ,500 Hz) to be biologically detectable. Eight acceleration-sensitive receptors (slit sensilla) at the tips of the scorpion’s circularly arranged legs detect surface waves generated by prey m ...
Time-frequency computational model for echo
... at best (Casseday and Covey, 1995; O’Neill, 1995; Dear, et al., 1993; Pollak and Casseday, 1989). Not only is the sharpness of the bat’s images better than individual neurons seem able to sustain, but the computations required to place the spatial information the bats perceive into images from sonar ...
... at best (Casseday and Covey, 1995; O’Neill, 1995; Dear, et al., 1993; Pollak and Casseday, 1989). Not only is the sharpness of the bat’s images better than individual neurons seem able to sustain, but the computations required to place the spatial information the bats perceive into images from sonar ...
The non-classical auditory pathways are involved in hearing in
... classical auditory system that perform finer analysis of sounds. Patrick Wall presented the hypothesis of unmasking of ineffective synapses as a cause of certain forms of neuropathic pain [18] and the results of the present study have led us to hypothesize that the efficacy of synapses that connect ...
... classical auditory system that perform finer analysis of sounds. Patrick Wall presented the hypothesis of unmasking of ineffective synapses as a cause of certain forms of neuropathic pain [18] and the results of the present study have led us to hypothesize that the efficacy of synapses that connect ...
Computational Constraints that may have Favoured the Lamination
... receives Cff feedforward connections from a further array of N × N “thalamic” units, and Crc recurrent connections from other units in the patch. Both sets of connections are assigned to each receiving unit at random, with a Gaussian probability in register with the unit itself, and of width Sff and ...
... receives Cff feedforward connections from a further array of N × N “thalamic” units, and Crc recurrent connections from other units in the patch. Both sets of connections are assigned to each receiving unit at random, with a Gaussian probability in register with the unit itself, and of width Sff and ...
The Nervous System: Sensory and Motor Tracts of the Spinal Cord
... tract delivering information from the spinal cord to the cerebellum (in this case) • If the tract name ends with “spinal” (as in vestibulospinal), the tract is a motor tract that delivers information from the vestibular apparatus (in this case) to the spinal cord ...
... tract delivering information from the spinal cord to the cerebellum (in this case) • If the tract name ends with “spinal” (as in vestibulospinal), the tract is a motor tract that delivers information from the vestibular apparatus (in this case) to the spinal cord ...
The Nervous System: Sensory and Motor Tracts of the Spinal Cord
... tract delivering information from the spinal cord to the cerebellum (in this case) • If the tract name ends with “spinal” (as in vestibulospinal), the tract is a motor tract that delivers information from the vestibular apparatus (in this case) to the spinal cord ...
... tract delivering information from the spinal cord to the cerebellum (in this case) • If the tract name ends with “spinal” (as in vestibulospinal), the tract is a motor tract that delivers information from the vestibular apparatus (in this case) to the spinal cord ...
Brain-implantable biomimetic electronics as the next era in neural
... result from stroke, and the impaired ability to execute skilled movements following trauma to brain regions responsible for motor control. Although the barriers to creating intracranial, electronic neural prosthetics have seemed insurmountable in the past, the biological and engineering sciences are ...
... result from stroke, and the impaired ability to execute skilled movements following trauma to brain regions responsible for motor control. Although the barriers to creating intracranial, electronic neural prosthetics have seemed insurmountable in the past, the biological and engineering sciences are ...
Journal of Cognitive Neuroscience 10:1
... describing these neurons. We have empirically conªrmed both of these conjectures with simulation experiments using randomly chosen weights and several different coordinate representations for model input (Lee, 1996). The above considerations allow the use of any convenient input format to specify mo ...
... describing these neurons. We have empirically conªrmed both of these conjectures with simulation experiments using randomly chosen weights and several different coordinate representations for model input (Lee, 1996). The above considerations allow the use of any convenient input format to specify mo ...
A GPU-accelerated cortical neural network model for visually guided
... remains unclear how relevant perceptual variables might be represented in the brain. On the other hand, although a wealth of data exists about the neural circuitry that is concerned with the perception of selfmotion variables such as the current direction of travel, little research has been devoted ...
... remains unclear how relevant perceptual variables might be represented in the brain. On the other hand, although a wealth of data exists about the neural circuitry that is concerned with the perception of selfmotion variables such as the current direction of travel, little research has been devoted ...