The occipitoparietal pathway of the macaque monkey: comparison
... dorsal superior temporal sulcus (Hikosaka et al., 1988; Andersen et al., 1990). This was achieved by intracellular injection of the naphthalamide tracer Lucifer Yellow in fixed cortical slices. These data also allowed the study of other aspects of basal dendritic field morphology in extrastriate cor ...
... dorsal superior temporal sulcus (Hikosaka et al., 1988; Andersen et al., 1990). This was achieved by intracellular injection of the naphthalamide tracer Lucifer Yellow in fixed cortical slices. These data also allowed the study of other aspects of basal dendritic field morphology in extrastriate cor ...
Tau pathology does not affect experience-driven single
... the hypothesis that tangles, per se, impair neuronal function. In fact, there is no conclusive evidence for a mechanistic role of NFTs in dysregulation of nervous system, either on a single-neuron or neuronal network level. We hypothesized that the tangle pathology would disrupt integration of incom ...
... the hypothesis that tangles, per se, impair neuronal function. In fact, there is no conclusive evidence for a mechanistic role of NFTs in dysregulation of nervous system, either on a single-neuron or neuronal network level. We hypothesized that the tangle pathology would disrupt integration of incom ...
Physiological Plasticity of Single Neurons in Auditory Cortex of the
... associative effects on AI whereas the latter might be involved in learning-induced cortical discharge plasticity (Weinberger, in press). Additional analysis of this and many related issues requires investigation of the effects of learning on the discharge properties of single neurons in auditory cor ...
... associative effects on AI whereas the latter might be involved in learning-induced cortical discharge plasticity (Weinberger, in press). Additional analysis of this and many related issues requires investigation of the effects of learning on the discharge properties of single neurons in auditory cor ...
Neurulation I (Pevny)
... Formation and patterning of the nervous system I. Neural Induction and Neurulation - specification of neural fate and formation of the neural tube. Delamination of neural crest cells. II. Neural Patterning - patterning of neural progenitors along the dorsoventral and anteroposterior axis III. Neurog ...
... Formation and patterning of the nervous system I. Neural Induction and Neurulation - specification of neural fate and formation of the neural tube. Delamination of neural crest cells. II. Neural Patterning - patterning of neural progenitors along the dorsoventral and anteroposterior axis III. Neurog ...
the distribution of the cells of origin of callosal projections in cat
... and Jones, 1971; Tusa and Palmer, 1980). This is unfortunate since, in behavioral experiments, Berlucchi et al. (1979) showed that the callosal connections of the cat’s suprasylvian cortex (including the lateral suprasylvian visual areas and area 21) make a significant contribution to the interhemis ...
... and Jones, 1971; Tusa and Palmer, 1980). This is unfortunate since, in behavioral experiments, Berlucchi et al. (1979) showed that the callosal connections of the cat’s suprasylvian cortex (including the lateral suprasylvian visual areas and area 21) make a significant contribution to the interhemis ...
Neuronal representation of visual motion and orientation in the fly
... The retina contains within each ommatidium six outer photoreceptors, R1–R6, and two central ones, R7 and R8. Whereas R1–R6 terminate in the lamina, R7/R8 bypass the lamina and terminate in the medulla (Meinertzhagen and O’Neil, 1991). These two neuropils contain arrays of retinotopically arranged mo ...
... The retina contains within each ommatidium six outer photoreceptors, R1–R6, and two central ones, R7 and R8. Whereas R1–R6 terminate in the lamina, R7/R8 bypass the lamina and terminate in the medulla (Meinertzhagen and O’Neil, 1991). These two neuropils contain arrays of retinotopically arranged mo ...
Discharge Rate of Substantia Nigra Pars Reticulata Neurons Is
... Spike-trains were used for further analysis only if their spike waveforms were reliably separated from those of other units during the on-line spike sorting. Each of these spike trains was then analyzed for stability. In this analysis, the rate of each unit as a function of time was displayed graphi ...
... Spike-trains were used for further analysis only if their spike waveforms were reliably separated from those of other units during the on-line spike sorting. Each of these spike trains was then analyzed for stability. In this analysis, the rate of each unit as a function of time was displayed graphi ...
Brainstem: neural networks vital for life
... devised in which one can make use of these techniques, including slices, isolated brainstems, intraarterially perfused in situ and intact anaesthetized animals. State-of-the-art high-speed cameras are needed to measure optical signals produced by dyes when neurons fire in suitable preparations. Dyes ...
... devised in which one can make use of these techniques, including slices, isolated brainstems, intraarterially perfused in situ and intact anaesthetized animals. State-of-the-art high-speed cameras are needed to measure optical signals produced by dyes when neurons fire in suitable preparations. Dyes ...
full text pdf
... Mawe and Kennedy (1998, 1999) have performed two experiments in the guinea pig using retrograde tracing method combined with immunohistochemistry to investigate the distribution and chemical coding of intrinsic neurons supplying the SO. In the first study (Kennedy and Mawe 1998) they have applied Di ...
... Mawe and Kennedy (1998, 1999) have performed two experiments in the guinea pig using retrograde tracing method combined with immunohistochemistry to investigate the distribution and chemical coding of intrinsic neurons supplying the SO. In the first study (Kennedy and Mawe 1998) they have applied Di ...
The contribution of intrinsic membrane dynamics to fast network
... fast oscillations in the local field potential (40 –100 Hz gamma, 100 –200 Hz sharp-wave ripples) single cortical neurons typically fire irregularly at rates that are much lower than the oscillation frequency. Recent computational studies have provided a mathematical description of such fast oscilla ...
... fast oscillations in the local field potential (40 –100 Hz gamma, 100 –200 Hz sharp-wave ripples) single cortical neurons typically fire irregularly at rates that are much lower than the oscillation frequency. Recent computational studies have provided a mathematical description of such fast oscilla ...
Firing characteristics of deep layer neurons in prefrontal cortex in
... arms had been visited, all eight arms were made available. After completion of each trial (eight correct arm choices) all arms were made inaccessible so that the animal had to wait at the center platform until the next trial. The animals typically ran 10 trials within 30 min. (B) Figure-eight maze, ...
... arms had been visited, all eight arms were made available. After completion of each trial (eight correct arm choices) all arms were made inaccessible so that the animal had to wait at the center platform until the next trial. The animals typically ran 10 trials within 30 min. (B) Figure-eight maze, ...
Chemosensory Systems
... cells and granule cells are common. The mitral cell and granule cell layers form the deepest layers of the olfactory bulb [Fig. 32-7B]. Mitral cells respond selectively to odor quality and intensity. The bulb is divided into functional regions, specialized for processing distinct odor chemicals. E.g ...
... cells and granule cells are common. The mitral cell and granule cell layers form the deepest layers of the olfactory bulb [Fig. 32-7B]. Mitral cells respond selectively to odor quality and intensity. The bulb is divided into functional regions, specialized for processing distinct odor chemicals. E.g ...
multiple reward signals in the brain
... Figure 3 | Neuronal activity in primate striatum and orbitofrontal cortex related to the expectation of reward. a | Activity in a putamen neuron during a delayed go–no go task in which an initial cue instructs the monkey to produce or withhold a reaching movement following a trigger stimulus. The in ...
... Figure 3 | Neuronal activity in primate striatum and orbitofrontal cortex related to the expectation of reward. a | Activity in a putamen neuron during a delayed go–no go task in which an initial cue instructs the monkey to produce or withhold a reaching movement following a trigger stimulus. The in ...
Overview Synaptic plasticity Synaptic strength
... • Derive the optimal STDP function for a given task: – Maximal information transfer in network of spiking neurons – use information theory to obtain STDP curve (Bell and Parra, 2003; Toyoizumi et al, 2005) ...
... • Derive the optimal STDP function for a given task: – Maximal information transfer in network of spiking neurons – use information theory to obtain STDP curve (Bell and Parra, 2003; Toyoizumi et al, 2005) ...
Wnt Signaling Mutants Have Decreased Dentate Granule Cell
... production of dentate granule neurons To determine if LRP6 mutant mice had hippocampal defects resembling those of Wnt3A or Lef1 mutants, we began by examining markers that label developing hippocampal neurons in late gestation [embryonic day 18.5 (E18.5)] embryos. Figure 1. Hippocampal organization ...
... production of dentate granule neurons To determine if LRP6 mutant mice had hippocampal defects resembling those of Wnt3A or Lef1 mutants, we began by examining markers that label developing hippocampal neurons in late gestation [embryonic day 18.5 (E18.5)] embryos. Figure 1. Hippocampal organization ...
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... can latexplained how top-down attentional enhancement in erally propagate along a traced curve, and also how contrast-sen. Weng et al. 2007 sitive perceptual grouping is carried out in [15] reported performance of the laminar cortical architecture for classification and recognition, and Weng et al. ...
... can latexplained how top-down attentional enhancement in erally propagate along a traced curve, and also how contrast-sen. Weng et al. 2007 sitive perceptual grouping is carried out in [15] reported performance of the laminar cortical architecture for classification and recognition, and Weng et al. ...
Disc1Point Mutations in Mice Affect Development of the Cerebral
... Statistical analysis. Statistical differences among different mutant lines and across genotypic groups against various measured parameters were determined using one-way or two-way ANOVA (SPSS 13.0), followed by Bonferroni’s correction for multiple testing. To further confirm significance, Student’s ...
... Statistical analysis. Statistical differences among different mutant lines and across genotypic groups against various measured parameters were determined using one-way or two-way ANOVA (SPSS 13.0), followed by Bonferroni’s correction for multiple testing. To further confirm significance, Student’s ...
Effects of Repeated Administration of 3,4
... significantly enhances neuronal death in the neonatal rat brain. Brain regions mainly affected were the cortex, septum, thalamus, hypothalamus and the CA1 region of hippocampus. These data suggest that a single injection of MDMA (60 mg/kg) causes neurodegeneration in the ...
... significantly enhances neuronal death in the neonatal rat brain. Brain regions mainly affected were the cortex, septum, thalamus, hypothalamus and the CA1 region of hippocampus. These data suggest that a single injection of MDMA (60 mg/kg) causes neurodegeneration in the ...
A Functional Role for Intra-Axonal Protein Synthesis during Axonal
... DRG neurons were dissociated and cultured on coated coverslips for 22 hr in medium containing Ara-C and DRB. The long processes extended by these DRG neurons are strongly immunoreactive for Tau ( A). Colabeling with monoclonal antibody, the dendritic protein MAP2 shows signals that are limited to th ...
... DRG neurons were dissociated and cultured on coated coverslips for 22 hr in medium containing Ara-C and DRB. The long processes extended by these DRG neurons are strongly immunoreactive for Tau ( A). Colabeling with monoclonal antibody, the dendritic protein MAP2 shows signals that are limited to th ...
AMPA Receptor Calcium Permeability, GluR2
... Toxicit y e xperiments. Motoneuron-enriched cultures and dorsal horn cultures were exposed to excitotoxins for 24 hr at 37°C in a 6% C O2 incubator, using an exposure medium of L15 supplemented with glucose (3.6 mg /ml) and sodium bicarbonate (0.15%, w/ v). The NMDA receptor antagonist M K-801 (10 m ...
... Toxicit y e xperiments. Motoneuron-enriched cultures and dorsal horn cultures were exposed to excitotoxins for 24 hr at 37°C in a 6% C O2 incubator, using an exposure medium of L15 supplemented with glucose (3.6 mg /ml) and sodium bicarbonate (0.15%, w/ v). The NMDA receptor antagonist M K-801 (10 m ...
Basics of electromagnetic field mapping
... landscape, where height is referred to as a difference against a reference level (e.g. the level of the sea) which is somewhat arbitrarily defined to be zero. If we would have changed the reference level common for all our height measurements, all values would change, however, the differences among ...
... landscape, where height is referred to as a difference against a reference level (e.g. the level of the sea) which is somewhat arbitrarily defined to be zero. If we would have changed the reference level common for all our height measurements, all values would change, however, the differences among ...
