Regulation of neuronal survival and death by extracellular signals
... innervation affects the number of innervating neurons that survive led to the idea that neuronal death matches the number of neurons to the size and requirements of their target ®elds (Oppenheim, 1991). A long established idea, the neurotrophic hypothesis, provides an explanation for how target ®eld ...
... innervation affects the number of innervating neurons that survive led to the idea that neuronal death matches the number of neurons to the size and requirements of their target ®elds (Oppenheim, 1991). A long established idea, the neurotrophic hypothesis, provides an explanation for how target ®eld ...
Activity of Defined Mushroom Body Output Neurons
... Physiological changes after training have been reported in two sets of memory-relevant cholinergic output neurons that have dendritic fields within the vertical lobes of the mushroom body (Se´journe´ et al., 2011; Pai et al., 2013; Plac¸ais et al., 2013). However, the behavioral consequence of synap ...
... Physiological changes after training have been reported in two sets of memory-relevant cholinergic output neurons that have dendritic fields within the vertical lobes of the mushroom body (Se´journe´ et al., 2011; Pai et al., 2013; Plac¸ais et al., 2013). However, the behavioral consequence of synap ...
Generation of Theta and Gamma Rhythms in the Hippocampus
... prominent during theta compared with non-theta behaviors. The oscillations were simulated by a systems model with recurrent inhibition. The model also predicts a behaviorally dependent inhibition, which was confirmed experimentally using paired-pulse responses. Paired-pulse facilitation (PPF) of the ...
... prominent during theta compared with non-theta behaviors. The oscillations were simulated by a systems model with recurrent inhibition. The model also predicts a behaviorally dependent inhibition, which was confirmed experimentally using paired-pulse responses. Paired-pulse facilitation (PPF) of the ...
Chronic stress prior to hippocampal stroke
... hand, the central action of corticosteroids has mostly been portrayed as damaging and disruptive to learning and memory (McLaughlin, Gomez, Baran, & Conrad, 2007; Sapolsky, 2000; Wright & Conrad, 2008). Generally, it is believed that corticosteroid effects on cognition and the respective brain regio ...
... hand, the central action of corticosteroids has mostly been portrayed as damaging and disruptive to learning and memory (McLaughlin, Gomez, Baran, & Conrad, 2007; Sapolsky, 2000; Wright & Conrad, 2008). Generally, it is believed that corticosteroid effects on cognition and the respective brain regio ...
Electrophysiological evidence that noradrenergic neurons of the rat
... Jacobs (1979) and Levine and Jacobs (1992), i.e.: (1) a slow and regular activity during quiet waking (1-4 Hz), (2) long duration action potential (>2 msec), (3) changes in activity directly correlated with changes in behavioral state and (4) subsequent histological localization in the DRN. Iontopho ...
... Jacobs (1979) and Levine and Jacobs (1992), i.e.: (1) a slow and regular activity during quiet waking (1-4 Hz), (2) long duration action potential (>2 msec), (3) changes in activity directly correlated with changes in behavioral state and (4) subsequent histological localization in the DRN. Iontopho ...
Morphological and Quantitative Study of Neurons in the Gracile
... neurons. Neurons of type VI were medium-size unipolar, round or fusiform with spines on their dendrites. The radiating branching pattern was more common than the tufted for all types of neurons. Wide overlap between widths of dendrites of different orders was found for all neuronal types. Hopefully, ...
... neurons. Neurons of type VI were medium-size unipolar, round or fusiform with spines on their dendrites. The radiating branching pattern was more common than the tufted for all types of neurons. Wide overlap between widths of dendrites of different orders was found for all neuronal types. Hopefully, ...
Prevalent Presence of Periodic Actin-spectrin-based
... patterns in dendrites; concordantly, quantitative autocorrelation analyses showed substantially lower average autocorrelation amplitudes in dendrites (Fig. 2J, K). Together, our data suggest that the MPS structure is prevalent in morphologically and functionally diverse excitatory and inhibitory neu ...
... patterns in dendrites; concordantly, quantitative autocorrelation analyses showed substantially lower average autocorrelation amplitudes in dendrites (Fig. 2J, K). Together, our data suggest that the MPS structure is prevalent in morphologically and functionally diverse excitatory and inhibitory neu ...
Circuit Architecture of VTA Dopamine Neurons Revealed by
... A second limitation has been an inability to systematically link information about a VTA-DA neuron’s inputs with its projection targets. Although such input-output relationships can be established in ultrastructural studies (e.g., Carr and Sesack, 2000), the methods involved are labor intensive and ...
... A second limitation has been an inability to systematically link information about a VTA-DA neuron’s inputs with its projection targets. Although such input-output relationships can be established in ultrastructural studies (e.g., Carr and Sesack, 2000), the methods involved are labor intensive and ...
Vesicular glutamate transporter 3
... stains serotonin-containing cells and fibers in the rat brain. This staining is abolished by preincubation of the antiserum with 500 M serotonin or 200 g/ml serotoninBSA (manufacturer’s product information sheet). A mouse monoclonal antibody against NeuN was originally made against cell nuclei puri ...
... stains serotonin-containing cells and fibers in the rat brain. This staining is abolished by preincubation of the antiserum with 500 M serotonin or 200 g/ml serotoninBSA (manufacturer’s product information sheet). A mouse monoclonal antibody against NeuN was originally made against cell nuclei puri ...
PROGRAMME and ABSTRACTS
... It is said “almost makes a difference”: Are different strains of rodents the same or almost the same? Dora Zelena (Group of Neuropsychopharmacology HAS and Semmelweis University, Budapest, Hungary) Stress and adaptation in Brattleboro rats lacking arginine-vasopressin Aet Alttoa (Department of Psych ...
... It is said “almost makes a difference”: Are different strains of rodents the same or almost the same? Dora Zelena (Group of Neuropsychopharmacology HAS and Semmelweis University, Budapest, Hungary) Stress and adaptation in Brattleboro rats lacking arginine-vasopressin Aet Alttoa (Department of Psych ...
Hypothalamus
... centres’ in different portions of the hypothalamus that were thought to regulate opposite components of the sleep– wake cycle. These studies were based upon the loss of function that resulted from lesions of different portions of the hypothalamus in animals, and suggested that the rostral hypothalamus ...
... centres’ in different portions of the hypothalamus that were thought to regulate opposite components of the sleep– wake cycle. These studies were based upon the loss of function that resulted from lesions of different portions of the hypothalamus in animals, and suggested that the rostral hypothalamus ...
Hippocampus, 22, 1703-1719
... Liang et al., 1982). While multitrial tasks have variable learning rates, single-trial tasks are well suited to determine the time course of plasticity mechanisms and their propagation between regions or neuronal phenotypes, and of the necessity for functional connectivity between the BLA and hippoc ...
... Liang et al., 1982). While multitrial tasks have variable learning rates, single-trial tasks are well suited to determine the time course of plasticity mechanisms and their propagation between regions or neuronal phenotypes, and of the necessity for functional connectivity between the BLA and hippoc ...
Cation-Chloride Cotransporters and Neuronal Function
... are on par with what is known about ion channels. The cell-specific and subcellular expression patterns of different CCC isoforms have a key role in modifying a neuron’s electrophysiological phenotype during development, synaptic plasticity, and disease. While having a major role in controlling resp ...
... are on par with what is known about ion channels. The cell-specific and subcellular expression patterns of different CCC isoforms have a key role in modifying a neuron’s electrophysiological phenotype during development, synaptic plasticity, and disease. While having a major role in controlling resp ...
Aberrant changes of somatostatin and neuropeptide Y in brain of a
... The brains from TRMs (n=7) and control rats (n=7) of either sex were embedded in paraffin after fixing in 4% paraformaldehyde. For each animal, 100 and 50 serial coronal sections of 4 μm thick from hippocampus and cerebellum were cut respectively. For each targeted protein, six sections selected fro ...
... The brains from TRMs (n=7) and control rats (n=7) of either sex were embedded in paraffin after fixing in 4% paraformaldehyde. For each animal, 100 and 50 serial coronal sections of 4 μm thick from hippocampus and cerebellum were cut respectively. For each targeted protein, six sections selected fro ...
189084_189084 - espace@Curtin
... The three main dopamine cell groups of the brain are located in the substantia nigra (A9), ventral tegmental area (A10), and retrorubral field (A8). Several subdivisions of these cell groups have been identified in rats and humans but have not been well described in mice, despite the increasing use ...
... The three main dopamine cell groups of the brain are located in the substantia nigra (A9), ventral tegmental area (A10), and retrorubral field (A8). Several subdivisions of these cell groups have been identified in rats and humans but have not been well described in mice, despite the increasing use ...
Clonal analysis of the mushroom bodies
... pupal stage. In addition, some larval neurons that persist into adulthood withdraw their larval processes and extend new adultspecific processes during metamorphosis (Truman, 1990). Most MB neurons persist through metamorphosis and thus it is important to determine how MB neurons born at different s ...
... pupal stage. In addition, some larval neurons that persist into adulthood withdraw their larval processes and extend new adultspecific processes during metamorphosis (Truman, 1990). Most MB neurons persist through metamorphosis and thus it is important to determine how MB neurons born at different s ...
judasMRT99
... In the developing neocortex of rats and mice, nitrinergic neurons are usually not observed in the marginal zone (MZ), i.e., the developing layer I (Bravo et al., 1997; Derer and Derer, 1993; Iwase et al., 1998; Tomić et al., 1994; Van Eden et al., 1996); they were also not observed in the neocortex ...
... In the developing neocortex of rats and mice, nitrinergic neurons are usually not observed in the marginal zone (MZ), i.e., the developing layer I (Bravo et al., 1997; Derer and Derer, 1993; Iwase et al., 1998; Tomić et al., 1994; Van Eden et al., 1996); they were also not observed in the neocortex ...
Shootin1 - The Journal of Cell Biology
... feedback loop may amplify a small stochastic increase in signals until it exceeds a threshold to induce an axon, and negative regulation may also be important to prevent the formation of surplus axons. However, little is known about the molecular basis of such regulation. To approach this problem, w ...
... feedback loop may amplify a small stochastic increase in signals until it exceeds a threshold to induce an axon, and negative regulation may also be important to prevent the formation of surplus axons. However, little is known about the molecular basis of such regulation. To approach this problem, w ...
The neuronal structure of the medial geniculate body in the pig
... spindle-shaped, triangular and multipolar cells were observed in different mammals [3, 20, 21, 23] whereas the pear-shaped cells described in the pig were not reported in the studies. According to various methods and criteria used by investigators, different numbers of neurons (even in the same anim ...
... spindle-shaped, triangular and multipolar cells were observed in different mammals [3, 20, 21, 23] whereas the pear-shaped cells described in the pig were not reported in the studies. According to various methods and criteria used by investigators, different numbers of neurons (even in the same anim ...
Electrophysiological Identification of Tonic and Phasic Neurons in
... of the different neuronal firing patterns was uncertain, previous studies demonstrated that tonic or phasic neurons could change neuronal excitabilities following pathological stimulation. It was reported that the increased excitability of phasic neuron contributed to cystitis-induced pain and hyper ...
... of the different neuronal firing patterns was uncertain, previous studies demonstrated that tonic or phasic neurons could change neuronal excitabilities following pathological stimulation. It was reported that the increased excitability of phasic neuron contributed to cystitis-induced pain and hyper ...
Axonal morphometry of hippocampal pyramidal neurons semi
... of CA3 pyramidal cell axons provides the backbone for the circuitry underlying autoassociative computation, a putatively fundamental function of the hippocampus (Rolls 2007). The importance of region CA3 in the hippocampus is well documented from memory encoding and retrieval (Treves and Rolls 1994; ...
... of CA3 pyramidal cell axons provides the backbone for the circuitry underlying autoassociative computation, a putatively fundamental function of the hippocampus (Rolls 2007). The importance of region CA3 in the hippocampus is well documented from memory encoding and retrieval (Treves and Rolls 1994; ...
A scientific theory of ars memoriae: spatial view cells in a continuous
... The hypothesis is that because the CA3 operates effectively as a single autoassociation network, it can allow arbitrary associations between inputs originating from very different parts of the cerebral cortex to be formed. These might involve associations between information originating in the tempo ...
... The hypothesis is that because the CA3 operates effectively as a single autoassociation network, it can allow arbitrary associations between inputs originating from very different parts of the cerebral cortex to be formed. These might involve associations between information originating in the tempo ...
Odorant Category Profile Selectivity of Olfactory Cortex Neurons
... machi Kikai, Tokyo, Japan). Respiration was acids, lactones, and phenols. The eight categories examined in the present study are indicated by the columns with color. Note that continuously monitored by measuring the individual foods show distinct odorant-category profiles. The names of the odorants ...
... machi Kikai, Tokyo, Japan). Respiration was acids, lactones, and phenols. The eight categories examined in the present study are indicated by the columns with color. Note that continuously monitored by measuring the individual foods show distinct odorant-category profiles. The names of the odorants ...
Hypothalamic Regulation of Sleep
... disorder (Shiromani et al. 1987). Seasonal affective disorder, or “winter depression” is one example of how changes in external light cues affects mood. Light therapy has proven to be effective in treating this type of depression. REM sleep deprivation, as well as total sleep deprivation, also has a ...
... disorder (Shiromani et al. 1987). Seasonal affective disorder, or “winter depression” is one example of how changes in external light cues affects mood. Light therapy has proven to be effective in treating this type of depression. REM sleep deprivation, as well as total sleep deprivation, also has a ...
Mouse Nerve Growth Factor Prevents Degeneration of Axotomized
... NGF, a trophic polypeptide, is necessary for the normal development and survival of certain populations of neurons in the CNS and PNS. In the CNS, cholinergic neurons of the basal forebrain magnocellular complex (BFMC) are prominent targets of NGF. During rat development, NGF increases the activity ...
... NGF, a trophic polypeptide, is necessary for the normal development and survival of certain populations of neurons in the CNS and PNS. In the CNS, cholinergic neurons of the basal forebrain magnocellular complex (BFMC) are prominent targets of NGF. During rat development, NGF increases the activity ...