Move to the rhythm: oscillations in the subthalamic nucleus–external
... rebound depolarization, which generates a single spike, restores rhythmic spiking and/or generates a burst of activity (Fig. 2g,h) [63]. Multiple IPSPs can also reduce and/or prevent action-potential generation (Fig. 2f) [63]. The pattern and rate of inhibitory input are, therefore, crucial in deter ...
... rebound depolarization, which generates a single spike, restores rhythmic spiking and/or generates a burst of activity (Fig. 2g,h) [63]. Multiple IPSPs can also reduce and/or prevent action-potential generation (Fig. 2f) [63]. The pattern and rate of inhibitory input are, therefore, crucial in deter ...
Hindbrain Glucoprivation Effects on Gastric Vagal Reflex Circuits
... Gastric-DMN neurons typically exhibit a characteristic, spontaneous, pacemaker activity; tonic basal DMN firing rate (FR) of ⬃2–3 spikes/s. Moderate distension (0.1–1.0 ml) of the stomach via the antral balloon causes a sharp and stimulus-dependent reduction in spontaneous DMN-FR that is time-locked ...
... Gastric-DMN neurons typically exhibit a characteristic, spontaneous, pacemaker activity; tonic basal DMN firing rate (FR) of ⬃2–3 spikes/s. Moderate distension (0.1–1.0 ml) of the stomach via the antral balloon causes a sharp and stimulus-dependent reduction in spontaneous DMN-FR that is time-locked ...
How do dendrites take their shape?
... In developing ferret visual neocortex, neurotrophin application generally increases dendritic length and complexity, but this effect varies with different neurotrophins, from layer to layer, and between apical and basal dendrites21. In addition, a particularly dramatic effect of BDNF on layer 4 dend ...
... In developing ferret visual neocortex, neurotrophin application generally increases dendritic length and complexity, but this effect varies with different neurotrophins, from layer to layer, and between apical and basal dendrites21. In addition, a particularly dramatic effect of BDNF on layer 4 dend ...
Efficient Event-Driven Simulation of Large Networks of Spiking
... the sense that both the selectivity of the computational outcome and its separability from noise (spontaneous activity) are put into question by synaptic dynamics. Thus, simulating joint dynamics is doubly necessary. There are serious problems in carrying out such a program. Semirealistic networks m ...
... the sense that both the selectivity of the computational outcome and its separability from noise (spontaneous activity) are put into question by synaptic dynamics. Thus, simulating joint dynamics is doubly necessary. There are serious problems in carrying out such a program. Semirealistic networks m ...
Glutamate Receptors Form Hot Spots on Apical Dendrites of
... Surfer32 (Golden Software). Neurons included in this study had resting potentials of ⫺61 ⫾ 3 mV (mean ⫾ SD). Cell input resistances ranged from 44 to 179 M⍀, and action potential amplitudes, measured from resting membrane potential to peak, ranged from 90 to 116 mV. Video images were taken during th ...
... Surfer32 (Golden Software). Neurons included in this study had resting potentials of ⫺61 ⫾ 3 mV (mean ⫾ SD). Cell input resistances ranged from 44 to 179 M⍀, and action potential amplitudes, measured from resting membrane potential to peak, ranged from 90 to 116 mV. Video images were taken during th ...
Coding of relative size in monkey inferotemporal cortex
... dissimilarity for each pair of versions, which was simply the absolute difference in firing rate elicited by the two versions averaged across the relevant population, in a window of 70 –270 ms after image onset (other time intervals yielded similar results). This measure represents the extent to whi ...
... dissimilarity for each pair of versions, which was simply the absolute difference in firing rate elicited by the two versions averaged across the relevant population, in a window of 70 –270 ms after image onset (other time intervals yielded similar results). This measure represents the extent to whi ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... activity, and effects of changing sound pressure level (SPL). It is not clear, however, to what extent these apparent differences are due to species differences or recording methodology because in only one case (Bakin et al. 1996) were optical images verified with electrophysiological recording. For ...
... activity, and effects of changing sound pressure level (SPL). It is not clear, however, to what extent these apparent differences are due to species differences or recording methodology because in only one case (Bakin et al. 1996) were optical images verified with electrophysiological recording. For ...
07.11 - UCSD Cognitive Science
... surface of the cortex using warm (38°C) physiological saline. Then, a tracer was injected at multiple sites within the face, arm, or leg representation of M1. In seven animals, we injected the McIntyre-B strain of HSV1 (supplied by Dr. David Bernstein, Gamble Institute of Medical Research, C incinna ...
... surface of the cortex using warm (38°C) physiological saline. Then, a tracer was injected at multiple sites within the face, arm, or leg representation of M1. In seven animals, we injected the McIntyre-B strain of HSV1 (supplied by Dr. David Bernstein, Gamble Institute of Medical Research, C incinna ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... activity, and effects of changing sound pressure level (SPL). It is not clear, however, to what extent these apparent differences are due to species differences or recording methodology because in only one case (Bakin et al. 1996) were optical images verified with electrophysiological recording. For ...
... activity, and effects of changing sound pressure level (SPL). It is not clear, however, to what extent these apparent differences are due to species differences or recording methodology because in only one case (Bakin et al. 1996) were optical images verified with electrophysiological recording. For ...
Neural stem cell engineering: directed differentiation of adult and
... Scientifically, there are basic biological motivations for understanding the role that stem cells play in the development of the nervous system, and stem cell culture systems that are readily manipulable can serve as useful tools for understanding the regulation of these processes. Biomedically, ste ...
... Scientifically, there are basic biological motivations for understanding the role that stem cells play in the development of the nervous system, and stem cell culture systems that are readily manipulable can serve as useful tools for understanding the regulation of these processes. Biomedically, ste ...
Mirror Neurons Responding to Observation of Actions Made with
... visual stimuli. This percentage is relatively high when compared with previous work from our laboratory on area F5. This is probably because of the fact that during recording the focus of our interest was concentrated on neurons with visual responses and in particular on those responding to biologic ...
... visual stimuli. This percentage is relatively high when compared with previous work from our laboratory on area F5. This is probably because of the fact that during recording the focus of our interest was concentrated on neurons with visual responses and in particular on those responding to biologic ...
projecting to oculomotor regions of the pons Activity of monkey
... from the fixation point. An angle of 0” describes a rightward horizontal direction, and a 90” angle describes an upward vertical direction. ...
... from the fixation point. An angle of 0” describes a rightward horizontal direction, and a 90” angle describes an upward vertical direction. ...
PROGRAMME and ABSTRACTS
... The use of high resolution EEG methods for brain computer interface applications Daniel Wojcik (Nencki Institute of Experimental Biology PAS, Warszawa, Poland) Beyond the PSTH: Point process modeling of spike trains Stilian Kalitzyn (Epilepsy Institute of The Netherlands – SEIN, Heemstede, The Nethe ...
... The use of high resolution EEG methods for brain computer interface applications Daniel Wojcik (Nencki Institute of Experimental Biology PAS, Warszawa, Poland) Beyond the PSTH: Point process modeling of spike trains Stilian Kalitzyn (Epilepsy Institute of The Netherlands – SEIN, Heemstede, The Nethe ...
Clarke`s column neurons as the focus of a corticospinal corollary circuit
... neurons nucleate local spinal corollary circuits that are relevant to motor planning and evaluation. The coordination of movement depends on proprioceptive sensory signals that convey the state of muscle activity and body position to motor command centers in the CNS1. Proprioceptive afferent input f ...
... neurons nucleate local spinal corollary circuits that are relevant to motor planning and evaluation. The coordination of movement depends on proprioceptive sensory signals that convey the state of muscle activity and body position to motor command centers in the CNS1. Proprioceptive afferent input f ...
Temporal Lobe Epilepsy
... Epilepsy is the most common serious neurological disorder. According to the World Health Organization, epilepsy affects approximately 4 million people in North America and Europe. Worldwide, 40 million people are believed to have epilepsy. [1] Epilepsy can start at any age, but is most common among ...
... Epilepsy is the most common serious neurological disorder. According to the World Health Organization, epilepsy affects approximately 4 million people in North America and Europe. Worldwide, 40 million people are believed to have epilepsy. [1] Epilepsy can start at any age, but is most common among ...
fulltext
... mice, the GPi is known as the entopeduncular nucleus (EP) 2. Two additional structures strongly associated with the basal ganglia are the substantia nigra pars compacta (SNc) and the subthalamic nucleus (STN) 3 (Figure 1). Together, these structures link most areas of the cerebral cortex with upper ...
... mice, the GPi is known as the entopeduncular nucleus (EP) 2. Two additional structures strongly associated with the basal ganglia are the substantia nigra pars compacta (SNc) and the subthalamic nucleus (STN) 3 (Figure 1). Together, these structures link most areas of the cerebral cortex with upper ...
Convergence in Mammalian Nucleus of Solitary Tract During
... the present study is to understand better the developing neural circuitry for salt taste processing and because it is difficult to hold neurons for sufficient time to both record chemical responses and map the receptive field, we limited ourselves to these salt stimuli. For each stimulation, 10 ml o ...
... the present study is to understand better the developing neural circuitry for salt taste processing and because it is difficult to hold neurons for sufficient time to both record chemical responses and map the receptive field, we limited ourselves to these salt stimuli. For each stimulation, 10 ml o ...
Transgenic Mouse Lines Subdivide Medial Vestibular Nucleus
... two-thirds of the MVN in both magnocellular and parvocellular divisions, approximately bregma ⫺5.88 to ⫺6.48. Neurons were included in this study only if they were capable of firing continuously during a 1 s depolarization and if their spike height was ⬎50 mV (45 mV for commissural studies). Analysi ...
... two-thirds of the MVN in both magnocellular and parvocellular divisions, approximately bregma ⫺5.88 to ⫺6.48. Neurons were included in this study only if they were capable of firing continuously during a 1 s depolarization and if their spike height was ⬎50 mV (45 mV for commissural studies). Analysi ...
Neuronal morphology in the African elephant (Loxodonta africana
... length in superficial neurons between LA3 and LA1 found no significant difference, suggesting this as an acceptable compromise for subsequent analyses. A broader sampling of neuron morphology resulted in 16 additional, deep layer III to layer VI pyramidal neurons being traced in occipital cortex (10 ...
... length in superficial neurons between LA3 and LA1 found no significant difference, suggesting this as an acceptable compromise for subsequent analyses. A broader sampling of neuron morphology resulted in 16 additional, deep layer III to layer VI pyramidal neurons being traced in occipital cortex (10 ...
View PDF - MRC BNDU - University of Oxford
... markers, their pattern of connectivity and the behavioural processes in which they participate. Three main transmitter phenotypes have been described, cholinergic, GABAergic and glutamatergic, and yet electrophysiological evidence suggests heterogeneity within these subtypes. To gain further insight ...
... markers, their pattern of connectivity and the behavioural processes in which they participate. Three main transmitter phenotypes have been described, cholinergic, GABAergic and glutamatergic, and yet electrophysiological evidence suggests heterogeneity within these subtypes. To gain further insight ...
ACTIN CYTOSKELETON REGULATION IN NEURONAL
... et al. 1996b). While this line of investigation, among others, did lead to the finding that Rho family GTPases are important in many different aspects of neuronal morphogenesis (see below), it has not provided much insight as to how the polarized growth of neuronal processes is initiated. Dissociate ...
... et al. 1996b). While this line of investigation, among others, did lead to the finding that Rho family GTPases are important in many different aspects of neuronal morphogenesis (see below), it has not provided much insight as to how the polarized growth of neuronal processes is initiated. Dissociate ...
Resonance Effect for Neural Spike Time Reliability
... van Steveninck et al. 1997). These results suggest that the intrinsic noise in the spike-generating mechanism is low relative to the intensity of the fluctuating input currents. In interpreting these results, an important consideration is the magnitude of the fluctuations in the input relative to th ...
... van Steveninck et al. 1997). These results suggest that the intrinsic noise in the spike-generating mechanism is low relative to the intensity of the fluctuating input currents. In interpreting these results, an important consideration is the magnitude of the fluctuations in the input relative to th ...