The Integrated Nature of Motor Cortical Function
... (1999) further corroborate Jackson’s idea. Neural activity of motor cortex neurons was recorded during individuated finger movements made by monkeys; wrist muscle activity is inherent to this task. Most neurons were active during many or all of the movements performed. A cluster analysis of motor co ...
... (1999) further corroborate Jackson’s idea. Neural activity of motor cortex neurons was recorded during individuated finger movements made by monkeys; wrist muscle activity is inherent to this task. Most neurons were active during many or all of the movements performed. A cluster analysis of motor co ...
construction of a model demonstrating neural pathways and reflex arcs
... separated into two “systems,” it is important to realize that they are connected to each other. ...
... separated into two “systems,” it is important to realize that they are connected to each other. ...
construction of a model demonstrating neural pathways and reflex arcs
... separated into two “systems,” it is important to realize that they are connected to each other. ...
... separated into two “systems,” it is important to realize that they are connected to each other. ...
Section 1: Anatomy of the sensorimotor system
... 1996). However, many of these criteria are difficult to test in the human brain, and many areas that are conventionally known as motor areas do not possess all these features. Therefore discussion here will include cortical areas that are conventionally described as motor areas, and that have been p ...
... 1996). However, many of these criteria are difficult to test in the human brain, and many areas that are conventionally known as motor areas do not possess all these features. Therefore discussion here will include cortical areas that are conventionally described as motor areas, and that have been p ...
Extraction of Sensory Parameters from a Neural Map by Primary
... Key words: sensory maps; insect; functional neuroanatomy; sensory interneurons; spatiotemporal patterns; neural coding ...
... Key words: sensory maps; insect; functional neuroanatomy; sensory interneurons; spatiotemporal patterns; neural coding ...
Saccade-Related Spread of Activity Across Superior Colliculus May
... Targets close to the center of the visual field are represented rostrally in the SC (black circle in Fig. 1B) and targets in the periphery are represented caudally (black triangle). The deeper SC layers contain several different types of neurons that in one classification scheme (Munoz and Wurtz 199 ...
... Targets close to the center of the visual field are represented rostrally in the SC (black circle in Fig. 1B) and targets in the periphery are represented caudally (black triangle). The deeper SC layers contain several different types of neurons that in one classification scheme (Munoz and Wurtz 199 ...
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... Nrp2 but not Nrp1 is essential for segmental neural crest migration As a starting point for our analysis, we wanted to characterize neural crest migration in the absence of Nrp1/Sema3A signaling, with or without Nrp2 function. Because Nrp1/Nrp2 double mutants die from vascular defects at E8.5, prior ...
... Nrp2 but not Nrp1 is essential for segmental neural crest migration As a starting point for our analysis, we wanted to characterize neural crest migration in the absence of Nrp1/Sema3A signaling, with or without Nrp2 function. Because Nrp1/Nrp2 double mutants die from vascular defects at E8.5, prior ...
Saccade-Related Spread of Activity Across
... Targets close to the center of the visual field are represented rostrally in the SC (black circle in Fig. 1B) and targets in the periphery are represented caudally (black triangle). The deeper SC layers contain several different types of neurons that in one classification scheme (Munoz and Wurtz 199 ...
... Targets close to the center of the visual field are represented rostrally in the SC (black circle in Fig. 1B) and targets in the periphery are represented caudally (black triangle). The deeper SC layers contain several different types of neurons that in one classification scheme (Munoz and Wurtz 199 ...
Changes in the N1-P2 Complex after Speech
... because they facilitate learning by providing a reference for listeners (Jamieson & Morosan, 1989). In a fading task, subjects are first presented with easy contrasts before being presented with difficult contrasts. Therefore, during the first training session, each subject was instructed to listen ...
... because they facilitate learning by providing a reference for listeners (Jamieson & Morosan, 1989). In a fading task, subjects are first presented with easy contrasts before being presented with difficult contrasts. Therefore, during the first training session, each subject was instructed to listen ...
optimal feedback control and the neural basis of volitional motor
... controllers correct variations (errors) if they influence the goal of the task; otherwise, they are ignored. Optimal state estimation is created by combining feedback signals and efferent copy of motor commands. The latter uses a forward internal model to convert motor commands to state variables. A ...
... controllers correct variations (errors) if they influence the goal of the task; otherwise, they are ignored. Optimal state estimation is created by combining feedback signals and efferent copy of motor commands. The latter uses a forward internal model to convert motor commands to state variables. A ...
University of Groningen The hearing brain in males and
... The cochlea is tonotopically organized, which means that each frequency component of a sound stimulates a distinct region of the cochlea. The nerve fibers throughout the auditory system are organized in a systematic way that preserves the tonotopy (Brawer et al., 1974). Axons from the dorsal cochlea ...
... The cochlea is tonotopically organized, which means that each frequency component of a sound stimulates a distinct region of the cochlea. The nerve fibers throughout the auditory system are organized in a systematic way that preserves the tonotopy (Brawer et al., 1974). Axons from the dorsal cochlea ...
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... Abstract. Sensory experience alters the functional organization of cortical networks. Previous studies using behavioral training motivated by aversive or rewarding stimuli have demonstrated that cortical plasticity is specific to salient inputs in the sensory environment. Sensory experience associate ...
... Abstract. Sensory experience alters the functional organization of cortical networks. Previous studies using behavioral training motivated by aversive or rewarding stimuli have demonstrated that cortical plasticity is specific to salient inputs in the sensory environment. Sensory experience associate ...
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... surface of the temporal gyrus. By densely mapping the temporal gyrus, which is the most accessible portion of primary auditory cortex, we can learn more about the details of functional topography and gain insight into computational map constructs in the primate forebrain (Knudsen et al. 1987). The c ...
... surface of the temporal gyrus. By densely mapping the temporal gyrus, which is the most accessible portion of primary auditory cortex, we can learn more about the details of functional topography and gain insight into computational map constructs in the primate forebrain (Knudsen et al. 1987). The c ...
Fading memory and kernel properties of generic cortical microcircuit
... domain D and range R are sets of finite character strings. This computational model is universal (for deterministic offline digital computation) in the sense that every deterministic digital function that is computable at all (according to a well-established mathematical definition, see [41]) can be com ...
... domain D and range R are sets of finite character strings. This computational model is universal (for deterministic offline digital computation) in the sense that every deterministic digital function that is computable at all (according to a well-established mathematical definition, see [41]) can be com ...
Corticofugal Modulation of Initial Sound
... In protocol two, the excitatory frequency-response curve was derived tone-evoked action potentials were observed. Then the penetration from the response magnitudes of a neuron to a series of tone bursts. was made 100 m either lateral or medial to previous penetrations Histology. On completion of th ...
... In protocol two, the excitatory frequency-response curve was derived tone-evoked action potentials were observed. Then the penetration from the response magnitudes of a neuron to a series of tone bursts. was made 100 m either lateral or medial to previous penetrations Histology. On completion of th ...
Author`s personal copy
... criteria (including cytoarchitecture, myeloarchitecture, and connectivity patterns) and functional criteria such as tuning properties [13,21,24,25]. A logical consequence of this principle is that any individual anatomically or functionally defined area will contain no more than a single representat ...
... criteria (including cytoarchitecture, myeloarchitecture, and connectivity patterns) and functional criteria such as tuning properties [13,21,24,25]. A logical consequence of this principle is that any individual anatomically or functionally defined area will contain no more than a single representat ...
Nervous System Pt 3
... Motor homunculi: upside-down caricatures representing the motor innervation of body regions ...
... Motor homunculi: upside-down caricatures representing the motor innervation of body regions ...
Multisensory anatomical pathways - Centre de Recherche Cerveau
... (about 5%) of the auditory inputs to the primary visual area. In the monkey we did not find that the auditory projection to V1 was reciprocal, but a recent anatomical study showed projections from extrastriate visual area V2 to the auditory area Tpt (temporoparietal temporal area) in the superior tem ...
... (about 5%) of the auditory inputs to the primary visual area. In the monkey we did not find that the auditory projection to V1 was reciprocal, but a recent anatomical study showed projections from extrastriate visual area V2 to the auditory area Tpt (temporoparietal temporal area) in the superior tem ...
Short-Lasting Classical Conditioning Induces
... the "trained" row B of whiskers and the control row B, unstimulated during the behavioral training, on the other side of the snout. We previously ascertained (Chmielowska et al., 1986; Kossut et al., 1988) that there were no ipsilateral changes of 2DG uptake produced by unilateral whisker stimulatio ...
... the "trained" row B of whiskers and the control row B, unstimulated during the behavioral training, on the other side of the snout. We previously ascertained (Chmielowska et al., 1986; Kossut et al., 1988) that there were no ipsilateral changes of 2DG uptake produced by unilateral whisker stimulatio ...
Spectral Measures and Perceptual Ratings of Hypokinetic Dysarthria
... Vowel phonation SPL was reduced for the speakers with PD, which is consistent with previous findings (Fox & Ramig, 1997). Since louder phonation is typically associated with a less steep decay in the source spectrum (Gauffin & Sundberg, 1989), the SPL and spectral moment measures are consistent. How ...
... Vowel phonation SPL was reduced for the speakers with PD, which is consistent with previous findings (Fox & Ramig, 1997). Since louder phonation is typically associated with a less steep decay in the source spectrum (Gauffin & Sundberg, 1989), the SPL and spectral moment measures are consistent. How ...
Activity Regulates the Incidence of Heteronymous Sensory
... been argued to occur without any influence of patterned sensory activity (Mears and Frank, 1997). This prevailing ‘‘activity-independence’’ view, however, is based primarily on studies showing that sensory afferents continue to avoid antagonist motor pools when their activation is blocked through mu ...
... been argued to occur without any influence of patterned sensory activity (Mears and Frank, 1997). This prevailing ‘‘activity-independence’’ view, however, is based primarily on studies showing that sensory afferents continue to avoid antagonist motor pools when their activation is blocked through mu ...
Imitation: is cognitive neuroscience solving the correspondence
... observation (see [7,11,12] for reviews) has been provided by Prinz and colleagues in a series of reaction time experiments using interference paradigms [13–15]. The logic behind their approach is very simple. If observation of an action, A, leads to activation of an internal motor representation of ...
... observation (see [7,11,12] for reviews) has been provided by Prinz and colleagues in a series of reaction time experiments using interference paradigms [13–15]. The logic behind their approach is very simple. If observation of an action, A, leads to activation of an internal motor representation of ...
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... at each of the three levels of parameter randomization. Updating continued for 30 cycles, by which time activation asymptotes were reached. Mean attitude towards the view expressed in the speech is presented in Figure 5 at the highest level of parameter randomization (1.0). Attitude is computed as n ...
... at each of the three levels of parameter randomization. Updating continued for 30 cycles, by which time activation asymptotes were reached. Mean attitude towards the view expressed in the speech is presented in Figure 5 at the highest level of parameter randomization (1.0). Attitude is computed as n ...
Decision Making in Recurrent Neuronal Circuits
... accumulator (LCA) model, which mimics a neural network, takes into account a leakage of integration and assumes competitive inhibition between accumulators selective for choice alternatives (Usher and McClelland, 2001). This model is easily extended to decisions with multiple alternatives (Usher and ...
... accumulator (LCA) model, which mimics a neural network, takes into account a leakage of integration and assumes competitive inhibition between accumulators selective for choice alternatives (Usher and McClelland, 2001). This model is easily extended to decisions with multiple alternatives (Usher and ...
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... development of disparity tuning in toy objects data using an artificial neural network based on back-propagation and reinforcement learning. They reported 90% correct recognition rate for 11 classes of disparity. In Solgi & Weng 2008 [13], a multilayer in-place learning network was used to detect bi ...
... development of disparity tuning in toy objects data using an artificial neural network based on back-propagation and reinforcement learning. They reported 90% correct recognition rate for 11 classes of disparity. In Solgi & Weng 2008 [13], a multilayer in-place learning network was used to detect bi ...