Autonomic Nervous System
... Divisions are distinguished by several anatomic differences. Preganglionic neuron cell bodies are housed in different regions of the CNS. Parasympathetic preganglionic neurons originate in either the brainstem or the lateral gray matter of the S2–S4 spinal cord regions. Sympathetic preganglionic neu ...
... Divisions are distinguished by several anatomic differences. Preganglionic neuron cell bodies are housed in different regions of the CNS. Parasympathetic preganglionic neurons originate in either the brainstem or the lateral gray matter of the S2–S4 spinal cord regions. Sympathetic preganglionic neu ...
Hyperbaric oxygen preconditioning induces tolerance against brain
... At 24 h after ischemia–reperfusion injury, activity of SOD in the penumbra and hippocampus in HBO-PC + MCAO group were higher than that of MCAO group (162.55± 14.44 vs. 124.47 ± 13.86 for penumbra; 146.75 ± 11.48 vs. 105.29 ± 10.55 for the hippocampus, P < 0.01, Fig. 4), so was activity of CAT (22.4 ...
... At 24 h after ischemia–reperfusion injury, activity of SOD in the penumbra and hippocampus in HBO-PC + MCAO group were higher than that of MCAO group (162.55± 14.44 vs. 124.47 ± 13.86 for penumbra; 146.75 ± 11.48 vs. 105.29 ± 10.55 for the hippocampus, P < 0.01, Fig. 4), so was activity of CAT (22.4 ...
Intersegmental synchronization of spontaneous activity of dorsal
... In the earlier study (Manjarrez et al. 2000), we suggested that the ensemble of active dorsal horn neurons that leads to the spontaneous nCDPs fires in a highly synchronized manner and is longitudinally distributed throughout several spinal segments. In 1979, Brown and colleagues examined in the spi ...
... In the earlier study (Manjarrez et al. 2000), we suggested that the ensemble of active dorsal horn neurons that leads to the spontaneous nCDPs fires in a highly synchronized manner and is longitudinally distributed throughout several spinal segments. In 1979, Brown and colleagues examined in the spi ...
Activity of Ventral Medial Thalamic Neurons during
... current was slowly increased while the electrode was advanced toward the neuron in 1 m steps (LSS-1000 Inchworm Motor Positioning System; Burleigh Instruments, Fishers, NY) until the cell discharge was driven by the injected current. Current pulses were applied for a 10 –30 min period to obtain a r ...
... current was slowly increased while the electrode was advanced toward the neuron in 1 m steps (LSS-1000 Inchworm Motor Positioning System; Burleigh Instruments, Fishers, NY) until the cell discharge was driven by the injected current. Current pulses were applied for a 10 –30 min period to obtain a r ...
Media Release
... behavior, its diversity and adaptability. Human and non-human primates can learn an astonishing variety of novel behaviors that could not have been directly anticipated by evolution – we now understand that this ability to cope with new situations is due to the “pre-adapted” nature of the primate br ...
... behavior, its diversity and adaptability. Human and non-human primates can learn an astonishing variety of novel behaviors that could not have been directly anticipated by evolution – we now understand that this ability to cope with new situations is due to the “pre-adapted” nature of the primate br ...
Readings on Social Movements
... of the four types, they are typically skewed more in one direction than another along the two-change dimensions. Thus, a typology such as Aberle's is useful in helping to illuminate the diversity among movements, especially in their social change goals. But, as we will see, the course and character ...
... of the four types, they are typically skewed more in one direction than another along the two-change dimensions. Thus, a typology such as Aberle's is useful in helping to illuminate the diversity among movements, especially in their social change goals. But, as we will see, the course and character ...
Dynamic Computation in a Recurrent Network of Heterogeneous
... rameter regimes. In particular, when local feedback excitation area. The initial peak is the result of clusters moving a small (EA) is scaled relative to distal inhibition (IA), clusters Of distance (or not moving at all), whereas the nearby trough neural activity form across the network (Fig. 2). T ...
... rameter regimes. In particular, when local feedback excitation area. The initial peak is the result of clusters moving a small (EA) is scaled relative to distal inhibition (IA), clusters Of distance (or not moving at all), whereas the nearby trough neural activity form across the network (Fig. 2). T ...
Tsutsui (2004) Neural mechanisms of three
... CIP (caudal intraparietal) in the parietal cortex, which borders V3A and LIP at its posterior and anterior sides, respectively (Fig. 3) (Taira et al., 2000). CIP may be analogous to LOP, which was identified as being distinct from the adjacent V3A and LIP in the cytoarchitecture (Lewis and Van Essen ...
... CIP (caudal intraparietal) in the parietal cortex, which borders V3A and LIP at its posterior and anterior sides, respectively (Fig. 3) (Taira et al., 2000). CIP may be analogous to LOP, which was identified as being distinct from the adjacent V3A and LIP in the cytoarchitecture (Lewis and Van Essen ...
Stimulus-Dependent Synchronization of Neuronal Responses in the
... of related responses could be achieved by synchronizing the respective discharges at a time scale of milliseconds, as this would selectively and jointly enhance their saliency. This hypothesis predicts that a given set of neurons should exhibit synchronized discharges more often when responding to a ...
... of related responses could be achieved by synchronizing the respective discharges at a time scale of milliseconds, as this would selectively and jointly enhance their saliency. This hypothesis predicts that a given set of neurons should exhibit synchronized discharges more often when responding to a ...
Single-Unit Analysis of the Spinal Dorsal Horn in Patients With
... neuronal discharge. It can be interpreted as a normalized standard deviation. This quantity can be applied to the “random” category only, because in this case mean and standard deviation do not vary in time. Other qualitative properties of the neuronal discharge were characterized by the results of ...
... neuronal discharge. It can be interpreted as a normalized standard deviation. This quantity can be applied to the “random” category only, because in this case mean and standard deviation do not vary in time. Other qualitative properties of the neuronal discharge were characterized by the results of ...
J Comp Physiol (1982) 149: 179 193
... whether the transient excitation of VS-cells is caused by the increase or decrease of brightness which occur almost simultaneously in flashes of 20 µs duration. Step responses are appropriate to decide this question, and have been recorded in 21 VSpenetrations. Since impulse responses decline within ...
... whether the transient excitation of VS-cells is caused by the increase or decrease of brightness which occur almost simultaneously in flashes of 20 µs duration. Step responses are appropriate to decide this question, and have been recorded in 21 VSpenetrations. Since impulse responses decline within ...
Ventilatory disorders - Chirurgia toracica mini invasiva
... play a major role in normal respiratory control during speech, locomotion, and response to stressors including the defence reaction as shown in experimental studies. These neurons are part of a central pattern generator network that controls the periodic activity of bulbar and spinal motor neurons i ...
... play a major role in normal respiratory control during speech, locomotion, and response to stressors including the defence reaction as shown in experimental studies. These neurons are part of a central pattern generator network that controls the periodic activity of bulbar and spinal motor neurons i ...
Purves ch. 8 + Kandel ch. 23 - Weizmann Institute of Science
... lips, and external genitalia. The slowly adapting nerve fiber associated with each Merkel’s disk enlarges into a saucer-shaped ending that is closely applied to another specialized cell containing vesicles that apparently release peptides that modulate the nerve terminal. Selective stimulation of th ...
... lips, and external genitalia. The slowly adapting nerve fiber associated with each Merkel’s disk enlarges into a saucer-shaped ending that is closely applied to another specialized cell containing vesicles that apparently release peptides that modulate the nerve terminal. Selective stimulation of th ...
Module 4 SG - HallquistCPHS.com
... Module 4 is concerned with the functions of the body's neural and hormonal systems, which provide the basis for all human behavior. Under the direction of the brain, the nervous and endocrine systems coordinate a variety of voluntary and involuntary behaviors and serve as the body's mechanisms for c ...
... Module 4 is concerned with the functions of the body's neural and hormonal systems, which provide the basis for all human behavior. Under the direction of the brain, the nervous and endocrine systems coordinate a variety of voluntary and involuntary behaviors and serve as the body's mechanisms for c ...
as pdf - Hypnosis Unit UK
... needs to be addressed in trying to understand conditions such as these is whether it is possible to have a ‘real’ experience of pain that is truly ‘functional’. If this should prove to be the case, the next question is whether it is fair to dismiss such pains as simply being a product of an overly a ...
... needs to be addressed in trying to understand conditions such as these is whether it is possible to have a ‘real’ experience of pain that is truly ‘functional’. If this should prove to be the case, the next question is whether it is fair to dismiss such pains as simply being a product of an overly a ...
Challenges for Brain Emulation
... floating-point operations in this model, about 100 times fewer floating point operations than Hodgkin-Huxley, yet the model still retains the capability to exhibit all of the same spiking behaviors as Hodgkin-Huxley, given appropriate values of the parameters. More sophisticated neuron models, in co ...
... floating-point operations in this model, about 100 times fewer floating point operations than Hodgkin-Huxley, yet the model still retains the capability to exhibit all of the same spiking behaviors as Hodgkin-Huxley, given appropriate values of the parameters. More sophisticated neuron models, in co ...
Responses of single neurons in the human brain during flash
... that all the data comes from epileptic patients, more than 80% of the recorded neurons were outside the areas of seizure focus. We did not observe any overall differences when comparing those units within and outside the seizure onset focus in terms of their firing rates, visual selectivity or wavef ...
... that all the data comes from epileptic patients, more than 80% of the recorded neurons were outside the areas of seizure focus. We did not observe any overall differences when comparing those units within and outside the seizure onset focus in terms of their firing rates, visual selectivity or wavef ...
(addl. 3)
... floating-point operations in this model, about 100 times fewer floating point operations than Hodgkin-Huxley, yet the model still retains the capability to exhibit all of the same spiking behaviors as Hodgkin-Huxley, given appropriate values of the parameters. More sophisticated neuron models, in co ...
... floating-point operations in this model, about 100 times fewer floating point operations than Hodgkin-Huxley, yet the model still retains the capability to exhibit all of the same spiking behaviors as Hodgkin-Huxley, given appropriate values of the parameters. More sophisticated neuron models, in co ...
α3β1 integrin modulates neuronal migration and placement during
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
Efficient gene delivery to the adult and fetal CNS using
... DNA into sensitive areas of the host genome in large animals and humans.1–3 However, recent studies have also identified this risk using lentiviruses.4 Non-integrating lentiviruses (NILVs) have been developed by introducing class 1 mutations into the integrase gene, and may obviate some of these dif ...
... DNA into sensitive areas of the host genome in large animals and humans.1–3 However, recent studies have also identified this risk using lentiviruses.4 Non-integrating lentiviruses (NILVs) have been developed by introducing class 1 mutations into the integrase gene, and may obviate some of these dif ...
TESIS DOCTORAL Dynamics and Synchronization in Neuronal Models
... de Puebla, Mexico, we experimentally corroborate the numerical results demonstrating that stochastic resonance phenomenon is also presented in the motor system. In chapter 3 we model the propagation of signals through the spinal cord during a motor activity. Based on previous studies, we propose a n ...
... de Puebla, Mexico, we experimentally corroborate the numerical results demonstrating that stochastic resonance phenomenon is also presented in the motor system. In chapter 3 we model the propagation of signals through the spinal cord during a motor activity. Based on previous studies, we propose a n ...