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MARMORATAl - Journal of Neuroscience
... against whole adult leech central nervous system (CNS), some label identified cells or small groups of cells, provides direct evidence for the existence of individual molecular signatures in adult leech neurons and glial cells. Little is currently known about the roles of the antigens bound by these ...
... against whole adult leech central nervous system (CNS), some label identified cells or small groups of cells, provides direct evidence for the existence of individual molecular signatures in adult leech neurons and glial cells. Little is currently known about the roles of the antigens bound by these ...
Stereological estimation of dendritic coverage in the capybara SCG
... Evidence suggests that there is a correlation between average size of central and autonomic neurons and body size and between total number of the neurons and body size [6-9]. As an example, a comparison of the SCGs of rat, capybara and horse revealed that the volume of SCG is 0.5 mm3 in rats, 226 mm ...
... Evidence suggests that there is a correlation between average size of central and autonomic neurons and body size and between total number of the neurons and body size [6-9]. As an example, a comparison of the SCGs of rat, capybara and horse revealed that the volume of SCG is 0.5 mm3 in rats, 226 mm ...
identification of central cholinergic neurons containing both choline
... our findings with the known distributions of AChEcontaining neurons (Jacobowitz and Palkovits, 1974) indicated that several areas rich in AChE-positive neurons did not contain ChAT-positive neurons. In view of the widespread use of histochemical staining procedures for AChE to study “cholinergic” ne ...
... our findings with the known distributions of AChEcontaining neurons (Jacobowitz and Palkovits, 1974) indicated that several areas rich in AChE-positive neurons did not contain ChAT-positive neurons. In view of the widespread use of histochemical staining procedures for AChE to study “cholinergic” ne ...
Two Types of Neurons in the Primate Globus
... onset period to compare neuronal activities during antisaccades with those during NoGo trials, because reaction times of antisaccades were ∼250 ms and the suppression of reflexive saccades should have occurred during this interval in the NoGo trials. We defined neuronal activity as “antisaccade-relate ...
... onset period to compare neuronal activities during antisaccades with those during NoGo trials, because reaction times of antisaccades were ∼250 ms and the suppression of reflexive saccades should have occurred during this interval in the NoGo trials. We defined neuronal activity as “antisaccade-relate ...
C. elegans Neurology Supplement - Bio-Rad
... neurons do not transmit signals across large distances, since C. elegans grow to be only about 1 mm long, and thus do not have a need for myelin. The neuronal system is the most complex organ system in the C. elegans, making up just under one third (302 of 959) of the cells of an adult hermaphrodite ...
... neurons do not transmit signals across large distances, since C. elegans grow to be only about 1 mm long, and thus do not have a need for myelin. The neuronal system is the most complex organ system in the C. elegans, making up just under one third (302 of 959) of the cells of an adult hermaphrodite ...
Cortico–basal ganglia circuit mechanism for a decision threshold in
... in which neural groups selective for opposite directions of motion compete with each other through local recurrent synaptic inhibition. Moreover, the model proposes a candidate cellular mechanism (slow reverberatory network dynamics mediated by NMDA receptors) for the continuous accumulation of the ...
... in which neural groups selective for opposite directions of motion compete with each other through local recurrent synaptic inhibition. Moreover, the model proposes a candidate cellular mechanism (slow reverberatory network dynamics mediated by NMDA receptors) for the continuous accumulation of the ...
Synaptic reverberation underlying mnemonic persistent activity
... realistic models of cortical neurons and synapses22–27. Figure 2 illustrates the biophysics of an attractor network. In an object-working-memory model by Amit and Brunel22, subpopulations of neurons are selective to different object stimuli. When the strength of excitatory connections between neuron ...
... realistic models of cortical neurons and synapses22–27. Figure 2 illustrates the biophysics of an attractor network. In an object-working-memory model by Amit and Brunel22, subpopulations of neurons are selective to different object stimuli. When the strength of excitatory connections between neuron ...
Linköping University Post Print the developmental age of the cells
... motor neurons by 60% (Hughes et al. 1993). Therefore, we used the mentioned concentration of BDNF to support the VHN in our experiments. We found no difference in survival rate between glucose-deficient and glucose-rich conditions for P1 VHN. However, P4 neurons did exhibit higher survival rates and ...
... motor neurons by 60% (Hughes et al. 1993). Therefore, we used the mentioned concentration of BDNF to support the VHN in our experiments. We found no difference in survival rate between glucose-deficient and glucose-rich conditions for P1 VHN. However, P4 neurons did exhibit higher survival rates and ...
make motor neuron posters now
... permeability. Na+ rushes inward and intracellular fluid becomes more positive (DEPOLARIZATION). ...
... permeability. Na+ rushes inward and intracellular fluid becomes more positive (DEPOLARIZATION). ...
Unit 12 ~ Learning Guide Name
... called _____________________________________. These substances are stored in vesicles at the end of the axon. ___________________________________________________ ___________________ and ____________________________________________ _________________________ are examples of neurotransmitters. When an ...
... called _____________________________________. These substances are stored in vesicles at the end of the axon. ___________________________________________________ ___________________ and ____________________________________________ _________________________ are examples of neurotransmitters. When an ...
Plasticity in the Nervous System of Adult Hydra. III. Conversion of
... Many of the VLI+ neurons had processes extending from the base to the apex of the ectoderm, indicating that they were sensory cells (Fig. 5e). The numbers of VLI+ neurons in the hypostome (Fig. 5~) and tentacles (Fig. 5b) were substantial and more than those found in the body column, though less tha ...
... Many of the VLI+ neurons had processes extending from the base to the apex of the ectoderm, indicating that they were sensory cells (Fig. 5e). The numbers of VLI+ neurons in the hypostome (Fig. 5~) and tentacles (Fig. 5b) were substantial and more than those found in the body column, though less tha ...
EN Sokolov`s Neural Model of Stimuli as Neuro
... and react to certain physical impacts of stimuli as signals. Receptors are in turn associated with selective detectors – neurons selectively responding to certain stimuli – and this connection can be either direct or, as shown, mediated by the predetectors. Selective detectors operate by the followi ...
... and react to certain physical impacts of stimuli as signals. Receptors are in turn associated with selective detectors – neurons selectively responding to certain stimuli – and this connection can be either direct or, as shown, mediated by the predetectors. Selective detectors operate by the followi ...
... Click here for publications related to neuropeptides The long term goal of this project is to identify factors that regulate secretion of neuropeptides generally, and to determine how these peptides regulate behavior. The motivation for this project is two-fold. First, insulin secretion, and its mis ...
Vocal communication in frogs
... frogs, however, the diminution of sound with distance provides some assistance. Localization can also be assisted by visual signals (see above) and involves inhibitory neural circuitry (see below). The story is quite different for frogs that communicate under water, specifically clawed frogs, which ...
... frogs, however, the diminution of sound with distance provides some assistance. Localization can also be assisted by visual signals (see above) and involves inhibitory neural circuitry (see below). The story is quite different for frogs that communicate under water, specifically clawed frogs, which ...
neuro 13 descending tracts student
... series of two motor neurons: Upper motor neurons (UMNs) Lower motor neurons (LMNs) Does not take into consideration the association neurons between UMNs and LMNs ...
... series of two motor neurons: Upper motor neurons (UMNs) Lower motor neurons (LMNs) Does not take into consideration the association neurons between UMNs and LMNs ...
“Attention for Action” and “Response Selection” in Primate Anterior
... temporally. The Go/No-go discrimination task started once the monkeys pressed the key for ⬎0.5 sec and fixated on a small fixation square (0.5 ⫻ 0.5° in visual angle) on the CRT monitor. In the spatial discrimination task, location-related visual cues using a 0.5°-sized gray square were randomly dis ...
... temporally. The Go/No-go discrimination task started once the monkeys pressed the key for ⬎0.5 sec and fixated on a small fixation square (0.5 ⫻ 0.5° in visual angle) on the CRT monitor. In the spatial discrimination task, location-related visual cues using a 0.5°-sized gray square were randomly dis ...
Serotonin Depletion In Vivo Inhibits the
... number of additional aberrant morphological features suggesting that these neurons represent cells that were affected during their initial morphogenesis. Olfactory projection neurons with aberrant morphologies were also encountered, although less frequently (7.5% of the neurons examined), in control ...
... number of additional aberrant morphological features suggesting that these neurons represent cells that were affected during their initial morphogenesis. Olfactory projection neurons with aberrant morphologies were also encountered, although less frequently (7.5% of the neurons examined), in control ...
The fate of Nissl-stained dark neurons following
... dark neurons have been observed as one kind of feature of damaged neurons. The regions where dark neurons appear at a high rate after TBI, such as neocortex, CA3 subWeld and dentate hilus, coincide with the regions where subsequent neuronal death is induced. These facts appear to indicate that dark ...
... dark neurons have been observed as one kind of feature of damaged neurons. The regions where dark neurons appear at a high rate after TBI, such as neocortex, CA3 subWeld and dentate hilus, coincide with the regions where subsequent neuronal death is induced. These facts appear to indicate that dark ...
Pre-Bötzinger complex
![](https://commons.wikimedia.org/wiki/Special:FilePath/A2A_receptor_bilayer.png?width=300)
The pre-Bötzinger complex (preBötC) is a cluster of interneurons in the ventrolateral medulla of the brainstem. This complex has been proven to be essential for the generation of respiratory rhythm in mammals. The exact mechanism of the rhythm generation and transmission to motor nuclei remains controversial and the topic of much present research.Several synthetic compounds have been shown to act on neurons specific to the preBötC, most being selective agonists or antagonists to receptor subtypes on neurons in the vicinity. Since many of these neurons express GABA, glutamate, serotonin and adenosine receptors, chemicals custom tailored to bind at these sites are most effective at altering respiratory rhythm.Adenosine modulates the preBötC output via activation of the A1 and A2A receptor subtypes. An adenosine A1 receptor agonist has been shown to depress preBötC rhythmogenesis independent of the neurotransmitters GABA and glycine in ""in vitro"" preparations from 0-7 day old mice. Another synthetic drug specific to the adenosine A2A receptor subtype is CGS-21680 that has been shown to cause apneas in 14-21 day old rat pups in vivo. For this reason, it has been used as a model to study pathological conditions such as apnea of prematurity and SIDS in neonatal infants.