Foundations for a Circuit Complexity Theory of Sensory
... plane, without charge for vertical wire segments) 3 . We refer to the minimal value of the sum of all wire lengths as the total wire length of the circuit. We would like to make this model also applicable to cases where for some special functions of inputs – such as the function computed by a thresh ...
... plane, without charge for vertical wire segments) 3 . We refer to the minimal value of the sum of all wire lengths as the total wire length of the circuit. We would like to make this model also applicable to cases where for some special functions of inputs – such as the function computed by a thresh ...
Fifty years of CPGs: two neuroethological papers that shaped BEHAVIORAL NEUROSCIENCE
... M. Hughes, visiting from Cambridge, found that the deafferented crayfish abdominal nerve cord sometimes continued to produce coordinated bursts of spikes in motor axons that innervated different swimmerets (Hughes and Wiersma, 1960), a motor pattern that drives coordinated swimmeret beating during n ...
... M. Hughes, visiting from Cambridge, found that the deafferented crayfish abdominal nerve cord sometimes continued to produce coordinated bursts of spikes in motor axons that innervated different swimmerets (Hughes and Wiersma, 1960), a motor pattern that drives coordinated swimmeret beating during n ...
Neurons and Neurotransmission with Nerve slides
... impulse is fired; you can push the handle a little bit, but it won’t flush until you push the handle past a certain critical point. This corresponds to the level of excitatory neurotransmitters that a neuron must absorb before it will fire. ...
... impulse is fired; you can push the handle a little bit, but it won’t flush until you push the handle past a certain critical point. This corresponds to the level of excitatory neurotransmitters that a neuron must absorb before it will fire. ...
File
... • Anterior to the precentral gyrus • Controls learned, repetitious, or patterned motor skills • Coordinates simultaneous or sequential actions • Involved in the planning of movements that depend on sensory feedback ...
... • Anterior to the precentral gyrus • Controls learned, repetitious, or patterned motor skills • Coordinates simultaneous or sequential actions • Involved in the planning of movements that depend on sensory feedback ...
Sensory experience and the formation of a computational map of
... widely separated in space, time, or both. These effects appear to increase the salience of stimuli that activate more than one sense organ, making them easier to detect and localize. Because multisensory facilitation in SC neurons is observed only when each stimulus falls within its excitatory recep ...
... widely separated in space, time, or both. These effects appear to increase the salience of stimuli that activate more than one sense organ, making them easier to detect and localize. Because multisensory facilitation in SC neurons is observed only when each stimulus falls within its excitatory recep ...
Mirror Neurons and Mirror Systems in Monkeys and Humans
... representations of observed or heard motor acts into motor representations of the same acts. Its function is to give an immediate, not cognitively mediated, understanding of the observed motor behavior. A mirror mechanism is also present in the insula and rostral cingulate (16, 23). This mechanism t ...
... representations of observed or heard motor acts into motor representations of the same acts. Its function is to give an immediate, not cognitively mediated, understanding of the observed motor behavior. A mirror mechanism is also present in the insula and rostral cingulate (16, 23). This mechanism t ...
Neural Coding and Auditory Perception
... present in the VAS stimuli, low-CF cells maintain better directional sensitivity in reverberation than high-CF cells. Using recordings from primary auditory neurons, we show that this result can be attributed to the fact that reverberation degrades the directional information in envelope ITDs more s ...
... present in the VAS stimuli, low-CF cells maintain better directional sensitivity in reverberation than high-CF cells. Using recordings from primary auditory neurons, we show that this result can be attributed to the fact that reverberation degrades the directional information in envelope ITDs more s ...
Learning receptive fields using predictive feedback
... feedforward–feedback design is characteristic of many sensory areas (Felleman and Van Essen, 1991). This suggests that predictive feedback might be a general mechanism by which neuronal tuning properties are formed. In this paper, we use the predictive coding framework to explain receptive field prop ...
... feedforward–feedback design is characteristic of many sensory areas (Felleman and Van Essen, 1991). This suggests that predictive feedback might be a general mechanism by which neuronal tuning properties are formed. In this paper, we use the predictive coding framework to explain receptive field prop ...
Action-based language: A theory of language acquisition
... imaging and TMS procedures. For example, it has been shown in humans that the observation of actions done with different effectors (hand, foot, and mouth) recruits the same motor representations active during the actual execution of those same actions (Buccino et al., 2001). These findings strongly ...
... imaging and TMS procedures. For example, it has been shown in humans that the observation of actions done with different effectors (hand, foot, and mouth) recruits the same motor representations active during the actual execution of those same actions (Buccino et al., 2001). These findings strongly ...
Cortical Maps - White Rose Research Online
... When spatial map patterns for different features are compared, map contours tend to intersect at right angles, as is the case when contours delineating spatial frequency or eye preferences are superimposed on iso-orientation contours (Issa and others, 2008; Blasdel, 1992). Such mappings are said to ...
... When spatial map patterns for different features are compared, map contours tend to intersect at right angles, as is the case when contours delineating spatial frequency or eye preferences are superimposed on iso-orientation contours (Issa and others, 2008; Blasdel, 1992). Such mappings are said to ...
IMPROVING OF ARTIFICIAL NEURAL NETWORKS
... Sridhar [1] says that the main advantage of GPU over CPU is high computational parallelism and efficiency with a relatively low cost.However, it is difficult to design an algorithm. Also, the author says that although exist Integrated Circuits (IC) for high parallelism, it is very difficult to trans ...
... Sridhar [1] says that the main advantage of GPU over CPU is high computational parallelism and efficiency with a relatively low cost.However, it is difficult to design an algorithm. Also, the author says that although exist Integrated Circuits (IC) for high parallelism, it is very difficult to trans ...
Sensorimotor Neural Plasticity following Hand Transplantation
... the axonal growth to the repair site even if there is surgical repair. Consequently, regenerating motor and sensory neurons can abruptly reinnervate onto organs that were not the original target organs even though it is a different function and territory. The result of this abrupt reinnervation can ...
... the axonal growth to the repair site even if there is surgical repair. Consequently, regenerating motor and sensory neurons can abruptly reinnervate onto organs that were not the original target organs even though it is a different function and territory. The result of this abrupt reinnervation can ...
Large-scale cognitive model design using the Nengo neural simulator
... radius, intercepts, etc. to capture those tuning curves. It also provides an option to set the synaptic time constants on connections, to reflect known biological constraints regarding neurotransmitters. As well, anatomical constraints can be enforced by structuring the model to respect known connec ...
... radius, intercepts, etc. to capture those tuning curves. It also provides an option to set the synaptic time constants on connections, to reflect known biological constraints regarding neurotransmitters. As well, anatomical constraints can be enforced by structuring the model to respect known connec ...
Unit One: Introduction to Physiology: The Cell and General Physiology
... Effect of Lateral Inhibition- increases the degree of contrast in the perceived spatial pattern a. Virtually every sensory pathway, when excited, gives rise simultaneously to lateral inhibitory signals b. Importance of lateral inhibition is that it blocks the lateral spread of excitatory signals and ...
... Effect of Lateral Inhibition- increases the degree of contrast in the perceived spatial pattern a. Virtually every sensory pathway, when excited, gives rise simultaneously to lateral inhibitory signals b. Importance of lateral inhibition is that it blocks the lateral spread of excitatory signals and ...
Visual pathway class..
... • MT passes its output to the intraparietal cortical areas. Each IP area is responsible for a different “class” of movement. • In addition to unparalleled object recognition (ventral pathway), primates have great hand-eye coordination so that we can use tools, or hit a baseball (dorsal pathway). • I ...
... • MT passes its output to the intraparietal cortical areas. Each IP area is responsible for a different “class” of movement. • In addition to unparalleled object recognition (ventral pathway), primates have great hand-eye coordination so that we can use tools, or hit a baseball (dorsal pathway). • I ...
Engagement of brain areas implicated in processing inner speech in
... theory has been superseded by the concept of feed-forward control, whereby the motor commands themselves are monitored, prior to any actual movement (Deeke et al, al, 1969; Erdler et al, al, 2000). Further examples of differences in brain activation patterns ...
... theory has been superseded by the concept of feed-forward control, whereby the motor commands themselves are monitored, prior to any actual movement (Deeke et al, al, 1969; Erdler et al, al, 2000). Further examples of differences in brain activation patterns ...
Протокол
... stereognosis. Diffuse involvement of large-diameter neurons causes loss tactile discrimination and inability to detect joint position and vibration, which produces extreme difficulty in manipulating objects without visual guidance. These lesions also cause loss of muscle coordination and severe dist ...
... stereognosis. Diffuse involvement of large-diameter neurons causes loss tactile discrimination and inability to detect joint position and vibration, which produces extreme difficulty in manipulating objects without visual guidance. These lesions also cause loss of muscle coordination and severe dist ...
link to pdf of article - UCSF Center for Integrative Neuroscience
... representations of a forthcoming speech plan as well as mechanisms for interfacing these phonological planning representations with learned sensorimotor programs to enable stepping through multisyllabic speech plans. On the basis of previous reports, the modelʼs components are hypothesized to be loc ...
... representations of a forthcoming speech plan as well as mechanisms for interfacing these phonological planning representations with learned sensorimotor programs to enable stepping through multisyllabic speech plans. On the basis of previous reports, the modelʼs components are hypothesized to be loc ...
Forward Prediction in the Posterior Parietal Cortex and Dynamic
... of predictive neural activity into desired motor goals to guide ballistic movements, as in natural interception (Figure 2A). Since our ongoing research has indicated that pre-movement activity in the PPC is informative of the intercepting movement, it is, in principle, possible to decoded this activ ...
... of predictive neural activity into desired motor goals to guide ballistic movements, as in natural interception (Figure 2A). Since our ongoing research has indicated that pre-movement activity in the PPC is informative of the intercepting movement, it is, in principle, possible to decoded this activ ...
Coding of movement
... Scope of the model To properly ascertain the contribution of neural activities to movement control, it is necessary to consider neural and movement data simultaneously. An appropriate animal (monkey) model of this situation is obtained using a mechanical exoskeleton that puts constraints on the degr ...
... Scope of the model To properly ascertain the contribution of neural activities to movement control, it is necessary to consider neural and movement data simultaneously. An appropriate animal (monkey) model of this situation is obtained using a mechanical exoskeleton that puts constraints on the degr ...
Neural Coding and Auditory Perception
... processing is bypassed in cochlear implants, we hypothesized that the normal correlation between best ITD and tuning width would be disrupted, and with it the normal alignment of rateITD curves near the midline which leads to fine acuity. To test this hypothesis, we modified our IC population model ...
... processing is bypassed in cochlear implants, we hypothesized that the normal correlation between best ITD and tuning width would be disrupted, and with it the normal alignment of rateITD curves near the midline which leads to fine acuity. To test this hypothesis, we modified our IC population model ...
Action Representation in Mirror Neurons
... and subcortical centers, including the superior temporal sulcus region (6–8), the ventral premotor cortex (9–14), and the superior colliculus (15). These neurons, however, responded to specific stimulus locations or directions of movement. The difference with the neurons described here is that they ...
... and subcortical centers, including the superior temporal sulcus region (6–8), the ventral premotor cortex (9–14), and the superior colliculus (15). These neurons, however, responded to specific stimulus locations or directions of movement. The difference with the neurons described here is that they ...
Lecture 6 - Wiki Index
... Neural Networks - Synapses When a spike travels along an axon and arrives at a synapse it causes vesicles of transmitter chemical to be released • There are several kinds of transmitter ...
... Neural Networks - Synapses When a spike travels along an axon and arrives at a synapse it causes vesicles of transmitter chemical to be released • There are several kinds of transmitter ...
Computational themes of peripheral processing
... an intensity-invariant representation of the amplitude modulation of the perceived signal and to increase the signalto-noise ratio. Next, the representation of the amplitude modulation of a signal by the auditory receptor neurons (Machens et al. 2001) needs to be processed in a way that higher level ...
... an intensity-invariant representation of the amplitude modulation of the perceived signal and to increase the signalto-noise ratio. Next, the representation of the amplitude modulation of a signal by the auditory receptor neurons (Machens et al. 2001) needs to be processed in a way that higher level ...