Supranuclear control of ocular motility
... stimulus-bound eye movements of various types originate in posterior parts of the brain, whereas voluntary, self-initiated movements derive from frontal areas. Frontal cortex includes three areas involved in saccade generation. These comprise the frontal eye fields (FEFs), supplementary eye fields ( ...
... stimulus-bound eye movements of various types originate in posterior parts of the brain, whereas voluntary, self-initiated movements derive from frontal areas. Frontal cortex includes three areas involved in saccade generation. These comprise the frontal eye fields (FEFs), supplementary eye fields ( ...
Production and Survival of Projection Neurons in a Forebrain Vocal
... Data collection for birds injected with fluorescent beads was similar to that for fluorogold-injected birds. Twelve sections through HVC were completely scanned for 3H-labeled neurons. The number of such cells that were also retrogradely labeled with beads was divided by the volume sampled to genera ...
... Data collection for birds injected with fluorescent beads was similar to that for fluorogold-injected birds. Twelve sections through HVC were completely scanned for 3H-labeled neurons. The number of such cells that were also retrogradely labeled with beads was divided by the volume sampled to genera ...
Nonlinear Population Codes - Department of Nonlinear Dynamics
... effect of correlations on the accuracy of population coding. They showed that long-range positive correlations that vary smoothly with the functional distance between the neurons lead to saturation of the accuracy by which the stimulus parameters can be extracted to a nite value, even in the limit ...
... effect of correlations on the accuracy of population coding. They showed that long-range positive correlations that vary smoothly with the functional distance between the neurons lead to saturation of the accuracy by which the stimulus parameters can be extracted to a nite value, even in the limit ...
Nothing can be coincidence: synaptic inhibition and plasticity in the
... Many cerebellar neurons fire spontaneously, generating 10–100 action potentials per second even without synaptic input. This high basal activity correlates with information-coding mechanisms that differ from those of cells that are quiescent until excited synaptically. For example, in the deep cereb ...
... Many cerebellar neurons fire spontaneously, generating 10–100 action potentials per second even without synaptic input. This high basal activity correlates with information-coding mechanisms that differ from those of cells that are quiescent until excited synaptically. For example, in the deep cereb ...
Cell-cycle control and cortical development - Stem
... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
Functional Organization of the Cat Visual Cortex in Relation to the
... surface surrounded by a contour is much less well understood. Several studies have identified neurons activated by a uniform surface covering their receptive fields, but their distribution within the cortex is not yet known. The aim of the present study was to obtain a better understanding of the di ...
... surface surrounded by a contour is much less well understood. Several studies have identified neurons activated by a uniform surface covering their receptive fields, but their distribution within the cortex is not yet known. The aim of the present study was to obtain a better understanding of the di ...
The LIM and POU homeobox genes ttx-3 and unc
... In the AIA neurons, by contrast, ttx-3 acts through a distinct cisregulatory signature, which we deciphered through a mutational analysis of the cis-regulatory control regions of three AIAexpressed, ttx-3-dependent terminal differentiation genes: mgl-1, ins1 and cho-1. We generated transgenic animal ...
... In the AIA neurons, by contrast, ttx-3 acts through a distinct cisregulatory signature, which we deciphered through a mutational analysis of the cis-regulatory control regions of three AIAexpressed, ttx-3-dependent terminal differentiation genes: mgl-1, ins1 and cho-1. We generated transgenic animal ...
Coordinated Interaction between Hippocampal Sharp
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
Kenedy,Dehay Cell-cycle control and cortical development
... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
Selective Loss of Catecholaminergic Wake–Active Neurons in a
... 2004) and thus may highlight injured wake-active neurons. The second and fifth 1:6 sets of sections from the above nonsleep-deprived mice (LTIH, n ⫽ 5; sham LTIH, n ⫽ 5) were used for double labeling of wake neuron identifier and cleaved caspase-3 (CC3) using polyclonal rabbit anti-cleaved caspase-3 ...
... 2004) and thus may highlight injured wake-active neurons. The second and fifth 1:6 sets of sections from the above nonsleep-deprived mice (LTIH, n ⫽ 5; sham LTIH, n ⫽ 5) were used for double labeling of wake neuron identifier and cleaved caspase-3 (CC3) using polyclonal rabbit anti-cleaved caspase-3 ...
Neuronal Activation in the Medulla Oblongata During Selective
... these studies, abdominal, oropharyngeal, and esophageal muscles were active during cough or swallow. Although both of these studies found neuronal activation in some common brain stem regions, certain regions showed neuronal activity during swallowing but not during coughing and vice versa. For exam ...
... these studies, abdominal, oropharyngeal, and esophageal muscles were active during cough or swallow. Although both of these studies found neuronal activation in some common brain stem regions, certain regions showed neuronal activity during swallowing but not during coughing and vice versa. For exam ...
ORIGIN OF THE PERICELLULAR BASKETS OF THE PYRAMIDAL
... neuron. The vertical dendrites (Figs. 5-7) are a prominent feature of the cortical basket cells. The superior vertical dendrite crosses layer III and terminates in layer II. The inferior vertical dendrite crosses the layer V and terminates in layer VI. Both of these dendrites may measure up to sever ...
... neuron. The vertical dendrites (Figs. 5-7) are a prominent feature of the cortical basket cells. The superior vertical dendrite crosses layer III and terminates in layer II. The inferior vertical dendrite crosses the layer V and terminates in layer VI. Both of these dendrites may measure up to sever ...
Parkinson`s Disease Backgrounder
... Parkinson’s Disease Backgrounder Parkinson’s is a chronic, degenerative brain disease, resulting from the loss of dopamine producing neurons. Dopamine controls a person’s motor functions (voluntary movements) such as walking, speech and handwriting. It also affects non-motor functions such as mood, ...
... Parkinson’s Disease Backgrounder Parkinson’s is a chronic, degenerative brain disease, resulting from the loss of dopamine producing neurons. Dopamine controls a person’s motor functions (voluntary movements) such as walking, speech and handwriting. It also affects non-motor functions such as mood, ...
Differential Impairment of Individuated Finger Movements in
... information about the fingers (Lincoln and Leadbitter 1979). Here, we used kinematic analyses to quantify the independence of each finger. We questioned whether damage to the motor cortex or corticospinal tract would impair the ability to move each finger to the same degree or would affect some fing ...
... information about the fingers (Lincoln and Leadbitter 1979). Here, we used kinematic analyses to quantify the independence of each finger. We questioned whether damage to the motor cortex or corticospinal tract would impair the ability to move each finger to the same degree or would affect some fing ...
differentiation of neuronal types and synapses in myelinating
... animals is cultivated in vitro, the starting material is a complex neuroepithelium which contains many types of neurons at various stages of maturation, as well as neuroglial, ependymal, and mesodermal cells. In the subsequent development of a culture, neurons might die, dedifferentiate, survive una ...
... animals is cultivated in vitro, the starting material is a complex neuroepithelium which contains many types of neurons at various stages of maturation, as well as neuroglial, ependymal, and mesodermal cells. In the subsequent development of a culture, neurons might die, dedifferentiate, survive una ...
Rotatory nystagmus - Besøk daftpunk.no
... Normally with the head at rest, in the neutral position the resting discharges in the two vestibular nerve are equal. Vestibulomotor (vestibuloocular and vestibulospinal) reflexes are elicited when inputs from the two vestibular organs or their central projection are made equal, that is, they are un ...
... Normally with the head at rest, in the neutral position the resting discharges in the two vestibular nerve are equal. Vestibulomotor (vestibuloocular and vestibulospinal) reflexes are elicited when inputs from the two vestibular organs or their central projection are made equal, that is, they are un ...
From neuroanatomy to behavior: central integration of peripheral
... of glucose and energy homeostasis4,35,50–54. Not surprisingly, investigators have been intrigued by insulin action in the hypothalamus and interested in further examining the melanocortin circuit to better delineate the molecular and cellular mechanisms involved in the central control of energy and ...
... of glucose and energy homeostasis4,35,50–54. Not surprisingly, investigators have been intrigued by insulin action in the hypothalamus and interested in further examining the melanocortin circuit to better delineate the molecular and cellular mechanisms involved in the central control of energy and ...
- Stem-cell and Brain Research Institute
... encode both the spatial (retinotopic) location of sequence elements, and their context or rank in the sequence. This suggested that recurrent connections in the cortex could allow neural activity related to previous sequence elements to influence the coding of the current element, thus yielding the ...
... encode both the spatial (retinotopic) location of sequence elements, and their context or rank in the sequence. This suggested that recurrent connections in the cortex could allow neural activity related to previous sequence elements to influence the coding of the current element, thus yielding the ...
Spinal nerves, cervical, lumbar and sacral plexus
... • Visceral motor innervates non-skeletal (non-somatic) muscles • Composed of a special group of neurons serving: ...
... • Visceral motor innervates non-skeletal (non-somatic) muscles • Composed of a special group of neurons serving: ...
How microglia kill neurons
... (Christofferson et al., 2014) (Fig. 2). Thus the fate of neurons exposed to TNFα and expressing TNFα receptors may depend on the relative activity of these three pathways (Kraft et al., 2009). Injection of TNFα into the brain was found to induce hippocampal neuronal loss via RIP3-mediated necroptosi ...
... (Christofferson et al., 2014) (Fig. 2). Thus the fate of neurons exposed to TNFα and expressing TNFα receptors may depend on the relative activity of these three pathways (Kraft et al., 2009). Injection of TNFα into the brain was found to induce hippocampal neuronal loss via RIP3-mediated necroptosi ...
May 21, 04.doc
... Pioneer studies on the adult monkey’s visual system showed that depriving visual input from one eye results in decreases of both GABA and its synthesizing enzyme GAD in the deprived cortical neurons (Hendry and Jones, 1986). In the SI cortex of adult rodents, similar effects of deprivation have been ...
... Pioneer studies on the adult monkey’s visual system showed that depriving visual input from one eye results in decreases of both GABA and its synthesizing enzyme GAD in the deprived cortical neurons (Hendry and Jones, 1986). In the SI cortex of adult rodents, similar effects of deprivation have been ...
Hunger Modulates the Responses to Gustatory Stimuli
... displayed on-line by a PDP-II computer. Mean discharge rates were computed during either control periods or stimulus presentation, with the analysis extending 5 sec from stimulus onset. Neuronal activity, together with stimulus markers, was also recorded on magnetic tape for subsequent analysis, whi ...
... displayed on-line by a PDP-II computer. Mean discharge rates were computed during either control periods or stimulus presentation, with the analysis extending 5 sec from stimulus onset. Neuronal activity, together with stimulus markers, was also recorded on magnetic tape for subsequent analysis, whi ...
The Anterior Cingulate Cortex - John Allman
... There is a remarkable counterpart to these monkey experiments in electroencephalographic (EEG) recordings made from scalp electrodes in humans. A large body of EEG data indicates that the anterior cingulate is the source of a 4- to 7-Hertz signal present when the subject is performing a task requiri ...
... There is a remarkable counterpart to these monkey experiments in electroencephalographic (EEG) recordings made from scalp electrodes in humans. A large body of EEG data indicates that the anterior cingulate is the source of a 4- to 7-Hertz signal present when the subject is performing a task requiri ...
CLM UMR-S 839 INSERM/UPMC Institut du Fer a Moulin
... implicated in the plasticity of synaptic signaling, to the probing of neural circuits during sensory modalities, action and development. This single day event will tie together a diversity of investigators who are at the forefront of their field making use of multidisciplinary approach and cutting-e ...
... implicated in the plasticity of synaptic signaling, to the probing of neural circuits during sensory modalities, action and development. This single day event will tie together a diversity of investigators who are at the forefront of their field making use of multidisciplinary approach and cutting-e ...