Vestibular Signals of Posterior Parietal Cortex Neurons during
... A total of 106 cells were recorded in the intraparietal sulcus of two left hemispheres of two macaque monkeys in response to various visual, vestibular, and oculomotor paradigms, and active-passive head-movement comparisons. Posterior Parietal Vestibular Neurons during Pursuit Head Movements Posteri ...
... A total of 106 cells were recorded in the intraparietal sulcus of two left hemispheres of two macaque monkeys in response to various visual, vestibular, and oculomotor paradigms, and active-passive head-movement comparisons. Posterior Parietal Vestibular Neurons during Pursuit Head Movements Posteri ...
Mechanism for propagation of rate signals through a 10
... can exhibit coherence resonance in response to noise only.[8] Here, the mean firing rate of layer 2, f2 is a single-peaked function of τsyn , with a maximum at τsyn = 3 ms. Accordingly, the output rate is also peaked at τsyn = 3 ms, suggesting that the propagation of rate signals can be modulated by ...
... can exhibit coherence resonance in response to noise only.[8] Here, the mean firing rate of layer 2, f2 is a single-peaked function of τsyn , with a maximum at τsyn = 3 ms. Accordingly, the output rate is also peaked at τsyn = 3 ms, suggesting that the propagation of rate signals can be modulated by ...
Chapter 2: Communication Within the Nervous System
... A good textbook is all about teaching, but there is no teaching if there is no learning. Over the years, my students taught me a great deal about what they needed to help them learn. For one thing, I realized how important it is for students to build on their knowledge throughout the course, so I m ...
... A good textbook is all about teaching, but there is no teaching if there is no learning. Over the years, my students taught me a great deal about what they needed to help them learn. For one thing, I realized how important it is for students to build on their knowledge throughout the course, so I m ...
STDP produces robust oscillatory architectures that exhibit precise
... becomes sharp as learning proceeds. The authors state that the generation of synchrony itself does not depend on the length of the cycle of external input, however they found that synchrony emerges once per cycle of the length of the external stimulus trained upon. This paper addresses two issues re ...
... becomes sharp as learning proceeds. The authors state that the generation of synchrony itself does not depend on the length of the cycle of external input, however they found that synchrony emerges once per cycle of the length of the external stimulus trained upon. This paper addresses two issues re ...
pjp6`2001.vp:CorelVentura 7.0 - Institute of Pharmacology
... tegmental area and adjacent substantia nigra. This experimental direction has been inspired by the available data showing that alterations in the level of circulating glucocorticosteroids have distinct effects on the intensity of dopaminergic neurotransmission. Thus, it was of interest to find the a ...
... tegmental area and adjacent substantia nigra. This experimental direction has been inspired by the available data showing that alterations in the level of circulating glucocorticosteroids have distinct effects on the intensity of dopaminergic neurotransmission. Thus, it was of interest to find the a ...
Neurons in the Most Superficial Lamina of the Mouse Superior
... The superior colliculus (SC) is a layered midbrain structure important for multimodal integration and sensorimotor transformation. Its superficial layers are purely visual and receive depth-specific projections from distinct subtypes of retinal ganglion cells. Here we use two-photon calcium imaging ...
... The superior colliculus (SC) is a layered midbrain structure important for multimodal integration and sensorimotor transformation. Its superficial layers are purely visual and receive depth-specific projections from distinct subtypes of retinal ganglion cells. Here we use two-photon calcium imaging ...
Vocal Control Neuron Incorporation Decreases with Age in the Adult
... killed 28 d after the last BrdU injection. The 28 d survival time was chosen because by this time most if not all labeled neurons would have arrived in the H VC and sent an axon to the R A. The remaining birds (n ⫽ 32) were between the ages of 4 and 36 months at the time of [ 3H]thymidine injection ...
... killed 28 d after the last BrdU injection. The 28 d survival time was chosen because by this time most if not all labeled neurons would have arrived in the H VC and sent an axon to the R A. The remaining birds (n ⫽ 32) were between the ages of 4 and 36 months at the time of [ 3H]thymidine injection ...
Coefficient of Variation (CV) vs Mean Interspike Interval (ISI) curves
... cerebral cortex of an unanesthetized mammal appear to exhibit spontaneous activity. In other words they discharge in an irregular fashion at times which often bear no obvious relation to the events in the animal's environment. In this paper we evaluate current models of production of irregular spike ...
... cerebral cortex of an unanesthetized mammal appear to exhibit spontaneous activity. In other words they discharge in an irregular fashion at times which often bear no obvious relation to the events in the animal's environment. In this paper we evaluate current models of production of irregular spike ...
er81 is expressed in a subpopulation of layer 5
... neuron classes (Jones and Powell, 1973; Gilbert and Wiesel, 1985; Lund, 1988; McConnell, 1989). Thus laminar locations can sometimes be utilized as effective references of neuron classes; e.g. layer 4 and layer 5 neurons have distinct morphological and hodological characteristics. However, cell clas ...
... neuron classes (Jones and Powell, 1973; Gilbert and Wiesel, 1985; Lund, 1988; McConnell, 1989). Thus laminar locations can sometimes be utilized as effective references of neuron classes; e.g. layer 4 and layer 5 neurons have distinct morphological and hodological characteristics. However, cell clas ...
An Introduction to the Nervous System
... the membrane’s permeability to these ions is very low • Na+ has only a small effect on the normal resting potential, making it just ...
... the membrane’s permeability to these ions is very low • Na+ has only a small effect on the normal resting potential, making it just ...
make motor neuron posters now
... a. HYPERPOLARIZATION (inside becomes more negative) or b. DEPOLARIZATION (becomes more positive) Changes depend on the intensity of the stimulus ...
... a. HYPERPOLARIZATION (inside becomes more negative) or b. DEPOLARIZATION (becomes more positive) Changes depend on the intensity of the stimulus ...
A Temporal Continuity to the Vertical
... columns in a limited developmental series derived from human fetal and neonatal auditory cortex, reporting that they could trace the developmental transformation from ontogenetic cell columns into mature minicolumns. A later study of human fetal cortical development identified lamina-specific differen ...
... columns in a limited developmental series derived from human fetal and neonatal auditory cortex, reporting that they could trace the developmental transformation from ontogenetic cell columns into mature minicolumns. A later study of human fetal cortical development identified lamina-specific differen ...
NIH Public Access
... neuroprotective effects of α-tocotrienol in vitro led us to question the significance of this nutrient in vivo. In SHR stroke study #1, experimental stroke outcome data revealed that the Tocomin-fed rats tended (p = 0.057, Fig. 5E) to have reduced injury following stroke than the control group. The ...
... neuroprotective effects of α-tocotrienol in vitro led us to question the significance of this nutrient in vivo. In SHR stroke study #1, experimental stroke outcome data revealed that the Tocomin-fed rats tended (p = 0.057, Fig. 5E) to have reduced injury following stroke than the control group. The ...
Notch signals and telencephalic fate
... 1990). Notch1, Notch3 and Delta1 (a Notch ligand) are expressed in the embryonic telencephalon during the period when regions segregate and commitment to cell types occurs (Lindsell et al., 1996). However, the role of these genes in forebrain development is still unclear. In this study, we have aske ...
... 1990). Notch1, Notch3 and Delta1 (a Notch ligand) are expressed in the embryonic telencephalon during the period when regions segregate and commitment to cell types occurs (Lindsell et al., 1996). However, the role of these genes in forebrain development is still unclear. In this study, we have aske ...
The neuronal structure of the dorsal lateral geniculate nucleus in the
... presynaptic to presynaptic dendrites of GLN interneurons, and these presynaptic dendrites establish synaptic contacts with the relay (projection) neurons [8]. This relay is gated and can be suppressed by activity among local inhibitory interneurons that use GABA as a neurotransmitter [28]. There is ...
... presynaptic to presynaptic dendrites of GLN interneurons, and these presynaptic dendrites establish synaptic contacts with the relay (projection) neurons [8]. This relay is gated and can be suppressed by activity among local inhibitory interneurons that use GABA as a neurotransmitter [28]. There is ...
Guzowski et al - Psychology and Neuroscience
... of rats for the A and B conditions. Furthermore, methods such as PET or fMRI, which detect changes in metabolic or hemodynamic activity related to net neuronal activity, would also fail to discern that the responses to the different environments were distinct. Arc catFISH provides information about ...
... of rats for the A and B conditions. Furthermore, methods such as PET or fMRI, which detect changes in metabolic or hemodynamic activity related to net neuronal activity, would also fail to discern that the responses to the different environments were distinct. Arc catFISH provides information about ...
Distinct or Gradually Changing Spatial and Nonspatial
... of dorsal hippocampal neurons. They showed that unlike dorsal neurons, which are active in a small area of the environment, ventral neurons usually fired at multiple locations and sometimes over ...
... of dorsal hippocampal neurons. They showed that unlike dorsal neurons, which are active in a small area of the environment, ventral neurons usually fired at multiple locations and sometimes over ...
Transformation from temporal to rate coding in a somatosensory
... (temporal coding) in the paralemniscal pathway. These representations were reproduced during each stimulus train, as the responses to the ®rst cycle in each train were identical for all frequencies (Fig. 2, left insets). The averaged latency and spike-count representations of the whisker frequency ( ...
... (temporal coding) in the paralemniscal pathway. These representations were reproduced during each stimulus train, as the responses to the ®rst cycle in each train were identical for all frequencies (Fig. 2, left insets). The averaged latency and spike-count representations of the whisker frequency ( ...
Lineage origins of GABAergic versus glutamatergic neurons in the
... while layer V neurons connect to basal ganglia, midbrain, hindbrain and spinal cord. By contrast, layer IV spiny stellate neurons receive most of the inputs from the thalamus and project locally within the neocortex, while layer II and III projection neurons form connections within the cortical hemi ...
... while layer V neurons connect to basal ganglia, midbrain, hindbrain and spinal cord. By contrast, layer IV spiny stellate neurons receive most of the inputs from the thalamus and project locally within the neocortex, while layer II and III projection neurons form connections within the cortical hemi ...
Motor Cortical Networks for Skilled Movements Have Reaching
... and 8 independent datasets. The selection criterion ensured that at least 9 neurons were simultaneously recorded in the datasets that were used. All successful recording sites were found to be located in lamina V of MI (cytoarchitectonic area 4γ) upon histological analysis [7]. In the past, different ...
... and 8 independent datasets. The selection criterion ensured that at least 9 neurons were simultaneously recorded in the datasets that were used. All successful recording sites were found to be located in lamina V of MI (cytoarchitectonic area 4γ) upon histological analysis [7]. In the past, different ...
Single-trial decoding of intended eye movement goals from lateral
... quantiles (Musallam et al. 2004), but often fewer quantiles were needed to represent all unique spike count values, especially when analyzing neurons with low firing rates and short epochs. The quantile indexes were used as r in Eq. 1. MI was compared against a null distribution obtained by shufflin ...
... quantiles (Musallam et al. 2004), but often fewer quantiles were needed to represent all unique spike count values, especially when analyzing neurons with low firing rates and short epochs. The quantile indexes were used as r in Eq. 1. MI was compared against a null distribution obtained by shufflin ...
Whole-brain functional imaging at cellular resolution using light
... Although single-neuron recordings have revealed much about neural processing, recordings from larger populations can lead to fundamentally different insights. These include understanding how neuronal ensembles code for sensory input1–5, implement sensorimotor transformations6, drive motor output7 or ...
... Although single-neuron recordings have revealed much about neural processing, recordings from larger populations can lead to fundamentally different insights. These include understanding how neuronal ensembles code for sensory input1–5, implement sensorimotor transformations6, drive motor output7 or ...
Multimodal imaging and the neural basis of EEG and fMRI
... same subjects at different time, multimodal imaging refers essentially to their synchronous recording. ...
... same subjects at different time, multimodal imaging refers essentially to their synchronous recording. ...
Extended PDF
... related neurons, as they provide crucial information on the division pattern and lineage potential of labeled progenitors, which would be otherwise unavailable from a conventional labeling strategy. We quantified the size of clones labeled at different embryonic stages and found that the average clo ...
... related neurons, as they provide crucial information on the division pattern and lineage potential of labeled progenitors, which would be otherwise unavailable from a conventional labeling strategy. We quantified the size of clones labeled at different embryonic stages and found that the average clo ...
Sounds of Silence BU scientists are helping a paralyzed man utter his
... Guenther and Brumberg are collaborating with researchers at Georgia Tech to refine the decoder. Each improvement makes it easier for Ramsey to learn, but it also means that his brain must continually adjust and master a new system. “When we learn to speak as infants, it takes us months. It’s not an ...
... Guenther and Brumberg are collaborating with researchers at Georgia Tech to refine the decoder. Each improvement makes it easier for Ramsey to learn, but it also means that his brain must continually adjust and master a new system. “When we learn to speak as infants, it takes us months. It’s not an ...