... central nervous system neurodegeneration and peripheral nervous system neuroregeneration. In order to determine the role of NTs/NTRs in the neurodegenerative mechanisms associated to prion diseases pathogenesis, the BoTg 110, a murine model of bovine spongiform encephalopathy (BSE), which overexpres ...
Neurobiological Mechanisms Underlying Oestradiol Negative and
... with low levels of LH being indicative of negative feedback in the morning (AM) and high levels of LH being indicative of positive feedback in the late afternoon (PM). OVX controls not treated with oestradiol show no time-of-day-dependent effects. After day 5, the LH surges decline in amplitude, but ...
... with low levels of LH being indicative of negative feedback in the morning (AM) and high levels of LH being indicative of positive feedback in the late afternoon (PM). OVX controls not treated with oestradiol show no time-of-day-dependent effects. After day 5, the LH surges decline in amplitude, but ...
The Study of Brain Activity in Sleep
... • The prefrontal regions are more involved by slow waves and thus “more asleep” The dreamer generally lacks insight into the hallucinatory character of the ...
... • The prefrontal regions are more involved by slow waves and thus “more asleep” The dreamer generally lacks insight into the hallucinatory character of the ...
as a PDF
... neurons involving ␣1-receptors, consistent with the previously described stimulatory role of ␣1-receptors in natriuresis (72, 73, 365, 443). The posterior magnocellular division of the PVN and SON is mainly innervated by the A1 noradrenergic cell group (93), and noradrenergic afferents have been sho ...
... neurons involving ␣1-receptors, consistent with the previously described stimulatory role of ␣1-receptors in natriuresis (72, 73, 365, 443). The posterior magnocellular division of the PVN and SON is mainly innervated by the A1 noradrenergic cell group (93), and noradrenergic afferents have been sho ...
The transmembrane proteins UNC-40/DCC, PTP-3/LAR
... insertion in the coding region for the first phosphatase domain (ACKLEY et al. 2005) (Figure 1 and Supplemental Figure 3). ptp-3(mu245) introduces a TCA/serine to TAA premature stop at codon 905 in the ptp-3A open reading frame and is predicted to affect all known ptp-3 transcripts except the shorte ...
... insertion in the coding region for the first phosphatase domain (ACKLEY et al. 2005) (Figure 1 and Supplemental Figure 3). ptp-3(mu245) introduces a TCA/serine to TAA premature stop at codon 905 in the ptp-3A open reading frame and is predicted to affect all known ptp-3 transcripts except the shorte ...
Neuronal polarity: establishing and maintaining the axon initial
... electric signal transfer, however since axons can be much longer than dendrites this transfer must be more faithful and stronger. Therefore axons have a system that boots the electric signal to sustain the same membrane potential as it travels along the axon. This boosted electric signal in the axon ...
... electric signal transfer, however since axons can be much longer than dendrites this transfer must be more faithful and stronger. Therefore axons have a system that boots the electric signal to sustain the same membrane potential as it travels along the axon. This boosted electric signal in the axon ...
Insula function in anorexia nervosa
... nervosa when subjects were confronted with food and body image stimuli4. Other results showed a reduced activity in the right occipital cortex when patients were hungry4. PET scans can reveal changes in the metabolism of tissues such as brain regions2. In the nineties a series of PET studies has bee ...
... nervosa when subjects were confronted with food and body image stimuli4. Other results showed a reduced activity in the right occipital cortex when patients were hungry4. PET scans can reveal changes in the metabolism of tissues such as brain regions2. In the nineties a series of PET studies has bee ...
Neural Tissue
... features that distinguish dendrites from axons located in the brain and in special sense organs function is poorly understood ...
... features that distinguish dendrites from axons located in the brain and in special sense organs function is poorly understood ...
Analysis of sleep spindles and model of their generation
... Since the beginning of EEG recordings, different kinds of oscillations were observed in the brain electric activity. Among them special attention was paid to ”waxing and waning ” wave of frequency around 13 Hz. The first commonly accepted definition of that structure — sleep spindle — was given by R ...
... Since the beginning of EEG recordings, different kinds of oscillations were observed in the brain electric activity. Among them special attention was paid to ”waxing and waning ” wave of frequency around 13 Hz. The first commonly accepted definition of that structure — sleep spindle — was given by R ...
Input evoked nonlinearities in silicon dendritic circuits
... branches can be considered as independent computational units, and NMDA channels located within the branches potentially allow either linear or nonlinear computation depending on the input’s spatio-temporal pattern [1]–[6]. This evidence supports the two-layer model from Poirazi and colleagues [7], ...
... branches can be considered as independent computational units, and NMDA channels located within the branches potentially allow either linear or nonlinear computation depending on the input’s spatio-temporal pattern [1]–[6]. This evidence supports the two-layer model from Poirazi and colleagues [7], ...
RESULTATS Capítol 1 __________________________________________________________________________ 71
... Studies over the past few years point to the selective guidance of axonal growth cones by specific signals as the main mechanism by which neuronal connections are first established between brain areas (Huber et al., 2003; Mueller, 1999), while activitydependent plasticity has been proposed as a mech ...
... Studies over the past few years point to the selective guidance of axonal growth cones by specific signals as the main mechanism by which neuronal connections are first established between brain areas (Huber et al., 2003; Mueller, 1999), while activitydependent plasticity has been proposed as a mech ...
Read as PDF
... ganglion was generally pharmacologically isolated from the buccal ganglion and buccal mass. This isolation was accomplished when a subchamber was placed over the cerebral ganglion. This preparation was used to observe radula movements that occurred as a result of direct stimulation of motor neurons ...
... ganglion was generally pharmacologically isolated from the buccal ganglion and buccal mass. This isolation was accomplished when a subchamber was placed over the cerebral ganglion. This preparation was used to observe radula movements that occurred as a result of direct stimulation of motor neurons ...
Feeding Stimulants Activate an Identified Dopaminergic Interneuron
... functionally linked in different combinations and in different temporal patterns. Additional motor plasticity can arise from variability in the rate of rhythmic activity (i.e., cycle period) and in the intensity of action potential bursts (i.e., graded changes in intraburst action potential number a ...
... functionally linked in different combinations and in different temporal patterns. Additional motor plasticity can arise from variability in the rate of rhythmic activity (i.e., cycle period) and in the intensity of action potential bursts (i.e., graded changes in intraburst action potential number a ...
Ethanol Potentiation of Glycine-Induced Responses in Dissociated
... fetal alcohol syndrome/fetal alcohol effects are neurobehavioral disturbances, such as hyperactivity, learning disabilities, depression, and psychosis (Clarren and Smith, 1978). The mechanisms underlying EtOH effects on the developing human brain, however, are poorly understood. According to a very ...
... fetal alcohol syndrome/fetal alcohol effects are neurobehavioral disturbances, such as hyperactivity, learning disabilities, depression, and psychosis (Clarren and Smith, 1978). The mechanisms underlying EtOH effects on the developing human brain, however, are poorly understood. According to a very ...
Module 10 - Neuronal Signalling
... from the axon hillock. These action potentials then spread in two directions. They can flow in the forward direction down the axons to the synaptic endings. In addition, they can also flow backwards, and these back-propagating action potentials invade the dendritic tree to create global Ca2 + signal ...
... from the axon hillock. These action potentials then spread in two directions. They can flow in the forward direction down the axons to the synaptic endings. In addition, they can also flow backwards, and these back-propagating action potentials invade the dendritic tree to create global Ca2 + signal ...
PDF - Journal of Neuroscience
... platform within 90 s were directed to the platform and allowed to remain there for 30 s. The same platform location was used for all sessions. The starting point at which each mouse was placed into the water was changed randomly between two alternative entry points located at a similar distance from ...
... platform within 90 s were directed to the platform and allowed to remain there for 30 s. The same platform location was used for all sessions. The starting point at which each mouse was placed into the water was changed randomly between two alternative entry points located at a similar distance from ...
Zebrafish foxd3 is selectively required for neural crest specification
... In zebrafish, neurons and glia of the cranial ganglia arise from cells of both cranial neural crest and placodal origins, although the relative contribution of each cell type to cranial ganglia development is unknown (Schilling and Kimmel, 1994). Using the pan-neuronal marker Hu-C, we found that the ...
... In zebrafish, neurons and glia of the cranial ganglia arise from cells of both cranial neural crest and placodal origins, although the relative contribution of each cell type to cranial ganglia development is unknown (Schilling and Kimmel, 1994). Using the pan-neuronal marker Hu-C, we found that the ...
Control of echolocation pulses by neurons of the nucleus ambiguus
... between the nucleus ambiguus and the parabrachial nuclei (Saper and Loewy 1980; Kalia 1981). The above mentioned periaqueductal gray is known to be part of the 'descending vocalization pathway' (Jfirgens and Pratt 1979), whereas the parabrachial nuclei and parts of the nucleus of the solitary tract ...
... between the nucleus ambiguus and the parabrachial nuclei (Saper and Loewy 1980; Kalia 1981). The above mentioned periaqueductal gray is known to be part of the 'descending vocalization pathway' (Jfirgens and Pratt 1979), whereas the parabrachial nuclei and parts of the nucleus of the solitary tract ...
Richard Thompson
... with neuronal connectivity. Hebb's book revitalized this field, which had been somewhat dormant since Lashley's 1929 monograph. When it came to details, Hebb was rather lacking, particularly about synaptic processes. But in all fairness, John Eccles discovered synaptic inhibition only about the same ...
... with neuronal connectivity. Hebb's book revitalized this field, which had been somewhat dormant since Lashley's 1929 monograph. When it came to details, Hebb was rather lacking, particularly about synaptic processes. But in all fairness, John Eccles discovered synaptic inhibition only about the same ...
Cumming BG, Parker AJ.
... with a representation of absolute disparity, only two studies (Motter and Poggio, 1984, 1990) have attempted to distinguish between representations based on absolute or relative disparity. They examined this issue by analyzing the effect of errors in convergence (fixation disparities) in awake monke ...
... with a representation of absolute disparity, only two studies (Motter and Poggio, 1984, 1990) have attempted to distinguish between representations based on absolute or relative disparity. They examined this issue by analyzing the effect of errors in convergence (fixation disparities) in awake monke ...
FREE Sample Here
... 24) Which of the following would occur if the dendrites were no longer able to do their job? A) No new information would ever reach the cell body. Incorrect. Receptor sites are present on cell bodies, so some information would still be taken in. B) No changes in the processing of neural information ...
... 24) Which of the following would occur if the dendrites were no longer able to do their job? A) No new information would ever reach the cell body. Incorrect. Receptor sites are present on cell bodies, so some information would still be taken in. B) No changes in the processing of neural information ...
FREE Sample Here
... 24) Which of the following would occur if the dendrites were no longer able to do their job? A) No new information would ever reach the cell body. Incorrect. Receptor sites are present on cell bodies, so some information would still be taken in. B) No changes in the processing of neural information ...
... 24) Which of the following would occur if the dendrites were no longer able to do their job? A) No new information would ever reach the cell body. Incorrect. Receptor sites are present on cell bodies, so some information would still be taken in. B) No changes in the processing of neural information ...
Dokument_1 - KLUEDO - Technische Universität Kaiserslautern
... from the acoustic environment in order to extract new information. For the animals, including humans, this information has a vital importance for their life experience, orientation, and survival. The acoustic signals travel through the air, enter the pinna and continue to the cochlea, passing the ou ...
... from the acoustic environment in order to extract new information. For the animals, including humans, this information has a vital importance for their life experience, orientation, and survival. The acoustic signals travel through the air, enter the pinna and continue to the cochlea, passing the ou ...
TDP-43 is intercellularly transmitted across axon terminals
... (Fig. 1 A). In contrast, to measure total TDP-43, TDP-43 fused to full-length luciferase was used. In HEK-293 cells cotransfected with TDP-L1 and -L2, a strong luciferase activity could indeed be detected, which was absent in cells cotransfected with the luciferase fragments L1 and L2 only or L1 and ...
... (Fig. 1 A). In contrast, to measure total TDP-43, TDP-43 fused to full-length luciferase was used. In HEK-293 cells cotransfected with TDP-L1 and -L2, a strong luciferase activity could indeed be detected, which was absent in cells cotransfected with the luciferase fragments L1 and L2 only or L1 and ...