Pre-synaptic Terminal Dynamics in the Hippocampus
... There are several types of structural changes associated to various forms of activity-dependent alterations in both vertebrates and invertebrates. Early examples come from studies of sensory deprivation during critical periods of postnatal development. In kittens, using monocular deprivation Hubel a ...
... There are several types of structural changes associated to various forms of activity-dependent alterations in both vertebrates and invertebrates. Early examples come from studies of sensory deprivation during critical periods of postnatal development. In kittens, using monocular deprivation Hubel a ...
Single Nigrostriatal Dopaminergic Neurons Form Widely Spread
... The axonal arbors of single nigrostriatal dopaminergic neurons were visualized with a viral vector expressing membrane-targeted green fluorescent protein in rat brain. All eight reconstructed tyrosine hydroxylase-positive dopaminergic neurons possessed widely spread and highly dense axonal arborizat ...
... The axonal arbors of single nigrostriatal dopaminergic neurons were visualized with a viral vector expressing membrane-targeted green fluorescent protein in rat brain. All eight reconstructed tyrosine hydroxylase-positive dopaminergic neurons possessed widely spread and highly dense axonal arborizat ...
The Journal of Neuroscience http://jneurosci.msubmit.net Ana
... afferent connections, can be dramatically affected by changes in environmental cues and by how new information is being processed. For example, during extreme environmental conditions, hibernating species show a temporary synaptic disengagement of intra-hippocampal connectivity, probably underlying ...
... afferent connections, can be dramatically affected by changes in environmental cues and by how new information is being processed. For example, during extreme environmental conditions, hibernating species show a temporary synaptic disengagement of intra-hippocampal connectivity, probably underlying ...
Lesion of the perforant path triggers a biphasic neurogenic response
... w ith intact post-synaptic d ensities still form , d espite the absence of glutamatergic nerve term inals. Follow ing entorhinal lesion, n ew born neurons, but not m ature granule cells, have a higher d ensity of d end ritic spines in the non -d enervated inner m olecular layer, accom panied by an i ...
... w ith intact post-synaptic d ensities still form , d espite the absence of glutamatergic nerve term inals. Follow ing entorhinal lesion, n ew born neurons, but not m ature granule cells, have a higher d ensity of d end ritic spines in the non -d enervated inner m olecular layer, accom panied by an i ...
angol tézisfüzet0531
... of the PVN. However, the distribution of the three fiber networks showed regional differences. NPY-IR axons and slightly less intensely DBH-IR axons inundated the ventral parvocellular subdivision, whereas the PNMT-IR axons were rare in this location. Furthermore, NPY-IR axons more densely innervate ...
... of the PVN. However, the distribution of the three fiber networks showed regional differences. NPY-IR axons and slightly less intensely DBH-IR axons inundated the ventral parvocellular subdivision, whereas the PNMT-IR axons were rare in this location. Furthermore, NPY-IR axons more densely innervate ...
Galanin in Alzheimer s disease: Neuroinhibitory or neuroprotective?
... preclinical AD stage [37] or mild AD revealed no evidence for GAL hyperinnervation of this CBF region during the prodromal or early stages of AD [38]. Taken together, these findings indicate that GAL fiber and receptor overexpression occurs within the anterior portion of the NB during the late stage ...
... preclinical AD stage [37] or mild AD revealed no evidence for GAL hyperinnervation of this CBF region during the prodromal or early stages of AD [38]. Taken together, these findings indicate that GAL fiber and receptor overexpression occurs within the anterior portion of the NB during the late stage ...
identification of cell types in brain slices of the inferior colliculus
... AbstractÐDifferent type neurons in the inferior colliculus may have different functions. Recent intracellular studies of the inferior colliculus suggest that intrinsic electrical properties contribute to discharge patterns, but the intrinsic discharge patterns have not been fully characterized in th ...
... AbstractÐDifferent type neurons in the inferior colliculus may have different functions. Recent intracellular studies of the inferior colliculus suggest that intrinsic electrical properties contribute to discharge patterns, but the intrinsic discharge patterns have not been fully characterized in th ...
521 THE CHOLINERGIC LIMBIC SYSTEM: PROJECTIONS TO
... supplied directly by fornix fibres as well as indirectly through the mammillothalamic tract (Guillery, 1966; Nauta, 1956). The anteroventral nucleus is rich in both AChE and ChE, which is located in the cells and extracellularly in terminal neuropil; in the antero-medial nucleus, on the other hand, ...
... supplied directly by fornix fibres as well as indirectly through the mammillothalamic tract (Guillery, 1966; Nauta, 1956). The anteroventral nucleus is rich in both AChE and ChE, which is located in the cells and extracellularly in terminal neuropil; in the antero-medial nucleus, on the other hand, ...
Neurodegenerative Changes in the Motor Cortex and Cerebellum in Wistar... Following Acute Pneumococcal Meningitis
... neurons were expressed as Number/ mm2 area. ii. Cross sectional area and diameter of neurons: The cross sectional area of the neurons and diameter were done using the Scion image analysis software. The digital images were used for this purpose. From each animal five randomly selected fields with a m ...
... neurons were expressed as Number/ mm2 area. ii. Cross sectional area and diameter of neurons: The cross sectional area of the neurons and diameter were done using the Scion image analysis software. The digital images were used for this purpose. From each animal five randomly selected fields with a m ...
Role of Active Movement in Place-Specific Firing of Hippocampal
... open the possibility that hippocampal neurons may actively discharge during passive movement if rats are not physically restrained. Indeed, a more recent study has shown that place cells do not shut off under a less restrained condition. In this study, rats were passively moved on a mobile robot wit ...
... open the possibility that hippocampal neurons may actively discharge during passive movement if rats are not physically restrained. Indeed, a more recent study has shown that place cells do not shut off under a less restrained condition. In this study, rats were passively moved on a mobile robot wit ...
Development of the rat thalamus: VI. The posterior lobule of the
... embryos, fetuses, and young pups were analyzed in order to determine the time of origin, site of origin, migratory route, and settling pattern of neurons of the dorsal lateral geniculate (LGD), ventral lateral geniculate (LGV), and lateral posterior (LP) nuclei of the thalamus. Quantitative examinat ...
... embryos, fetuses, and young pups were analyzed in order to determine the time of origin, site of origin, migratory route, and settling pattern of neurons of the dorsal lateral geniculate (LGD), ventral lateral geniculate (LGV), and lateral posterior (LP) nuclei of the thalamus. Quantitative examinat ...
Swallowing reflex and brain stem neurons activated by superior
... SLN stimulation at 5 Hz elicited oropharyngeal and LES but not esophageal responses and evoked c-fos expression in neurons in SolI, SolIM, SolDM, PCRt, AP, NAsc, NAl, and DMVc but not in SolCe, NAc, or DMVr. These data are consistent with the role of SolI, SolIM, SolDM, NAsc, NAl, and DMVc circuit i ...
... SLN stimulation at 5 Hz elicited oropharyngeal and LES but not esophageal responses and evoked c-fos expression in neurons in SolI, SolIM, SolDM, PCRt, AP, NAsc, NAl, and DMVc but not in SolCe, NAc, or DMVr. These data are consistent with the role of SolI, SolIM, SolDM, NAsc, NAl, and DMVc circuit i ...
Age-dependent effect of cholinergic lesion on dendritic morphology
... Plasticity has long been known to be a property of developing nervous systems. Although originally considered to be a developmental phenomenon, plasticity extends into adulthood as well, underlying a variety of processes, including learning and memory as well as recovery from injury. While there is ...
... Plasticity has long been known to be a property of developing nervous systems. Although originally considered to be a developmental phenomenon, plasticity extends into adulthood as well, underlying a variety of processes, including learning and memory as well as recovery from injury. While there is ...
PDF
... the number of bipolar cells in the IZ (LoTurco and Bai, 2006), highlighting the distinct requirements for efficient morphological transformations during radial migration. These changes in morphology are thought to facilitate the initial axonal protrusion of these neurons (Noctor et al., 2004b; Tabat ...
... the number of bipolar cells in the IZ (LoTurco and Bai, 2006), highlighting the distinct requirements for efficient morphological transformations during radial migration. These changes in morphology are thought to facilitate the initial axonal protrusion of these neurons (Noctor et al., 2004b; Tabat ...
Kalirin, a Multifunctional Rho Guanine Nucleotide Exchange Factor
... Kalirin was first identified by its interaction with peptidylglycine ␣-amidating monooxygenase (PAM), an enzyme essential for neuropeptide biosynthesis (Alam et al., 1996). In addition to its two GEF domains, Kalirin has a kinase domain and several protein–protein interaction domains (Fig. 1 A). Alt ...
... Kalirin was first identified by its interaction with peptidylglycine ␣-amidating monooxygenase (PAM), an enzyme essential for neuropeptide biosynthesis (Alam et al., 1996). In addition to its two GEF domains, Kalirin has a kinase domain and several protein–protein interaction domains (Fig. 1 A). Alt ...
Long lnterfascicular Axon Growth from Embryonic Neurons
... Correspondence should be addressed to S. J. A. Davies, Laboratory of Neurobiology, National Institute for Medical Research, The Ridgeway, Mill Hill, ...
... Correspondence should be addressed to S. J. A. Davies, Laboratory of Neurobiology, National Institute for Medical Research, The Ridgeway, Mill Hill, ...
Nucleus Accumbens Medium Spiny Neurons Target Non
... receptor-mediated IPSC (n ⫽ 24) (Fig. 3A), although electrical stimulation clearly evokes a frequency-dependent slow GABAB IPSC in VTA neurons (n ⫽ 5) (Fig. 3B). Although these data imply that the NAc input is exclusively mediated by GABAA receptors, one possible explanation for the lack of an obser ...
... receptor-mediated IPSC (n ⫽ 24) (Fig. 3A), although electrical stimulation clearly evokes a frequency-dependent slow GABAB IPSC in VTA neurons (n ⫽ 5) (Fig. 3B). Although these data imply that the NAc input is exclusively mediated by GABAA receptors, one possible explanation for the lack of an obser ...
Ultrastructural Characterization of Gerbil Olivocochlear Neurons
... The population of superior olivary complex neuronsthat provides efferent innervation to the hair cells of the organ of Corti, the olivocochlear system,hasbeendivided into lateral and medial componentsby Warr (1975, 1978)and his colleagues(Warr and Guinan, 1979;Warr et al., 1982, 1986;Adams, 1983; Gu ...
... The population of superior olivary complex neuronsthat provides efferent innervation to the hair cells of the organ of Corti, the olivocochlear system,hasbeendivided into lateral and medial componentsby Warr (1975, 1978)and his colleagues(Warr and Guinan, 1979;Warr et al., 1982, 1986;Adams, 1983; Gu ...
Physiological Patterns in the Hippocampo
... entorhinal cortex. A similar network of basket/chandelier cells is present in CA1, and these neurons contribute to the generation of theta/gamma and ripple oscillations in area CA1 (Sik et al., 1995; Freund and Buzsáki, 1996; Csicsvari et al., 1999). A technical difficulty in the entorhinal cortex ...
... entorhinal cortex. A similar network of basket/chandelier cells is present in CA1, and these neurons contribute to the generation of theta/gamma and ripple oscillations in area CA1 (Sik et al., 1995; Freund and Buzsáki, 1996; Csicsvari et al., 1999). A technical difficulty in the entorhinal cortex ...
Physiological patterns in the hippocampo
... entorhinal cortex. A similar network of basket/chandelier cells is present in CA1, and these neurons contribute to the generation of theta/gamma and ripple oscillations in area CA1 (Sik et al., 1995; Freund and Buzsáki, 1996; Csicsvari et al., 1999). A technical difficulty in the entorhinal cortex ...
... entorhinal cortex. A similar network of basket/chandelier cells is present in CA1, and these neurons contribute to the generation of theta/gamma and ripple oscillations in area CA1 (Sik et al., 1995; Freund and Buzsáki, 1996; Csicsvari et al., 1999). A technical difficulty in the entorhinal cortex ...
Coordinated Interaction between Hippocampal Sharp
... were sorted in OfflineSorter (Plexon), and sorted spikes were processed and analyzed in NeuroExplorer (Nex Technologies) and Matlab (Mathworks). Low-frequency neurons of ⱕ0.2 Hz were excluded from analyses due to an insufficient number of spikes. Ripples were bandpass filtered at 150 –250 Hz (Neural ...
... were sorted in OfflineSorter (Plexon), and sorted spikes were processed and analyzed in NeuroExplorer (Nex Technologies) and Matlab (Mathworks). Low-frequency neurons of ⱕ0.2 Hz were excluded from analyses due to an insufficient number of spikes. Ripples were bandpass filtered at 150 –250 Hz (Neural ...
http://www.utdallas.edu/~tres/papers/Disterhoftetal1994.pdf
... serotonin and of acetylcholine staining fibers in their hippocampi, whereas hypoxic controls did not. In two different clinical trials, it was shown that nimodipine has a beneficial effect, especially on functions involving learning, in patients with chronic cerebrovascular disorder or vascular deme ...
... serotonin and of acetylcholine staining fibers in their hippocampi, whereas hypoxic controls did not. In two different clinical trials, it was shown that nimodipine has a beneficial effect, especially on functions involving learning, in patients with chronic cerebrovascular disorder or vascular deme ...
Introduction
... these postmitotic cells.9, 11 XIAP is a member of a family of Inhibitor of Apoptosis Proteins (IAPs) that have been shown to regulate caspases by directly binding to and inhibiting their function.12 Whereas cytosolic microinjection of cytochrome c is insufficient to induce apoptosis in wildtype neu ...
... these postmitotic cells.9, 11 XIAP is a member of a family of Inhibitor of Apoptosis Proteins (IAPs) that have been shown to regulate caspases by directly binding to and inhibiting their function.12 Whereas cytosolic microinjection of cytochrome c is insufficient to induce apoptosis in wildtype neu ...
Cell migration in the developing rodent olfactory system
... Abstract The components of the nervous system are assembled in development by the process of cell migration. Although the principles of cell migration are conserved throughout the brain, different subsystems may predominantly utilize specific migratory mechanisms, or may display unusual features dur ...
... Abstract The components of the nervous system are assembled in development by the process of cell migration. Although the principles of cell migration are conserved throughout the brain, different subsystems may predominantly utilize specific migratory mechanisms, or may display unusual features dur ...