Effects of acetylcholine on neuronal properties in entorhinal cortex James G. Heys
... there are neurons in the MSDB that express a range of classical neurotransmitters and neurohormones, this review focuses on the population of putative cholinergic neurons expressing choline acetyltransferase (ChAT) and the separate population of GABAergic neurons expressing GAD, which together compr ...
... there are neurons in the MSDB that express a range of classical neurotransmitters and neurohormones, this review focuses on the population of putative cholinergic neurons expressing choline acetyltransferase (ChAT) and the separate population of GABAergic neurons expressing GAD, which together compr ...
The Molecular Basis of Odor Coding in the Drosophila Antenna
... were quantified from the number of spikes in one second of spontaneous activity. n ⫽ 12. (B) Inhibitory responses of ⌬ab3A:OrX neurons (large spikes; positions indicated by dots). The excitatory response of the ab3B neuron, which resides in the same sensillum, is also visible (small spikes). (C) Exc ...
... were quantified from the number of spikes in one second of spontaneous activity. n ⫽ 12. (B) Inhibitory responses of ⌬ab3A:OrX neurons (large spikes; positions indicated by dots). The excitatory response of the ab3B neuron, which resides in the same sensillum, is also visible (small spikes). (C) Exc ...
PDF
... delays their exit to generate postmitotic neurons. This phenomenon results in the reduction of deep-layer cortical neurons and the expansion of superficial neurons. Mechanistically, Gde2 ablation increases Notch signaling at earlier developmental time points, suggesting that elevated levels of Notch ...
... delays their exit to generate postmitotic neurons. This phenomenon results in the reduction of deep-layer cortical neurons and the expansion of superficial neurons. Mechanistically, Gde2 ablation increases Notch signaling at earlier developmental time points, suggesting that elevated levels of Notch ...
Chapter 20 The Autonomic Nervous System
... neurons, all of which supply a single visceral effector. Thus, parasympathetic responses can be localized to a single effector. Parasympathetic postganglionic axons are relatively ...
... neurons, all of which supply a single visceral effector. Thus, parasympathetic responses can be localized to a single effector. Parasympathetic postganglionic axons are relatively ...
An Intrinsic Oscillation in Interneurons of the Rat Lateral Geniculate
... at lower current injections. In other cases, these trajectories seemed more similar to the dull interburst trajectory seen with lower depolarizing current. We therefore hypothesized that the former, sharp trajectories were associated with increased burst duration such that the burst was continued th ...
... at lower current injections. In other cases, these trajectories seemed more similar to the dull interburst trajectory seen with lower depolarizing current. We therefore hypothesized that the former, sharp trajectories were associated with increased burst duration such that the burst was continued th ...
from ups
... than 10% decrease in latency when current intensity was raised from threshold to twice the threshold. Žc. A refractory period of less than 3 ms. Žd. The ability to sustain a high-frequency Ž100 Hz or more. stimulation during 200 ms. In a number of well-isolated extracellular recordings, it was also ...
... than 10% decrease in latency when current intensity was raised from threshold to twice the threshold. Žc. A refractory period of less than 3 ms. Žd. The ability to sustain a high-frequency Ž100 Hz or more. stimulation during 200 ms. In a number of well-isolated extracellular recordings, it was also ...
AUTONOMIC NERVOUS SYSTEM
... Define Autonomic nervous system. Define sympathetic part of ANS. Compare somatic and autonomic systems. Recognize the components of sympathetic part of nervous system (thoracolumbar outflow: lateral gray horn, paravertebral sympathetic chain, prevertebral ganglia and plexuses). Differentiate between ...
... Define Autonomic nervous system. Define sympathetic part of ANS. Compare somatic and autonomic systems. Recognize the components of sympathetic part of nervous system (thoracolumbar outflow: lateral gray horn, paravertebral sympathetic chain, prevertebral ganglia and plexuses). Differentiate between ...
PDF
... forwards; if our arm is fully outstretched, extending it further is not possible. Considerations like these make some movements more likely than others, resulting in probability distributions over poss ...
... forwards; if our arm is fully outstretched, extending it further is not possible. Considerations like these make some movements more likely than others, resulting in probability distributions over poss ...
Nervous System Part 4
... – Maintains daily necessary body functions – Remember as the “D” division • digestion, defecation, and diuresis ...
... – Maintains daily necessary body functions – Remember as the “D” division • digestion, defecation, and diuresis ...
Integration of Perspective and Disparity Cues in Surface
... Masato Taira. Integration of perspective and disparity cues in surface-orientation–selective neurons of area CIP. J Neurophysiol 86: 2856 –2867, 2001. We investigated the effects of linear perspective and binocular disparity, as monocular and binocular depth cues, respectively, on the response of su ...
... Masato Taira. Integration of perspective and disparity cues in surface-orientation–selective neurons of area CIP. J Neurophysiol 86: 2856 –2867, 2001. We investigated the effects of linear perspective and binocular disparity, as monocular and binocular depth cues, respectively, on the response of su ...
Synaptic Integration of Olfactory Information in Mouse Anterior
... panel of structurally dissimilar odorants presented as both mixtures and monomolecular components. Then, in a different set of mice of the same strain and sex, we measured the suprathreshold and subthreshold responses of mitral cells in the MOB to the same odorant panel and compared the responsivene ...
... panel of structurally dissimilar odorants presented as both mixtures and monomolecular components. Then, in a different set of mice of the same strain and sex, we measured the suprathreshold and subthreshold responses of mitral cells in the MOB to the same odorant panel and compared the responsivene ...
Neural Responses to Facial Expression and Face Identity in the
... images for the required time were included in the analysis. For each image presentation, two time intervals were considered: a baseline interval, 1 s immediately before the onset of the fixation icon, and a response interval, beginning 100 ms after stimulus-image onset and ending when the image was ...
... images for the required time were included in the analysis. For each image presentation, two time intervals were considered: a baseline interval, 1 s immediately before the onset of the fixation icon, and a response interval, beginning 100 ms after stimulus-image onset and ending when the image was ...
High baseline activity in inferior temporal cortex
... baseline activity predicts the behavioral performance (Ress et al., 2000; Fox et al., 2007; Hesselmann et al., 2008; Scholvinck et al., 2012). The results of these electrophysiological and neuroimaging studies have changed the traditional view in which the baseline activity was considered noise. How ...
... baseline activity predicts the behavioral performance (Ress et al., 2000; Fox et al., 2007; Hesselmann et al., 2008; Scholvinck et al., 2012). The results of these electrophysiological and neuroimaging studies have changed the traditional view in which the baseline activity was considered noise. How ...
Impaired Cl Extrusion in Layer V Pyramidal Neurons of Chronically
... perfused to block GABAB receptor activation and action potential firing respectively. GABA (100 M) was pressureapplied close to the soma of the voltage-clamped cells. An example of a perforated patch-clamp experiment is shown in Fig. 1A. The agonist-induced current was measured at different command ...
... perfused to block GABAB receptor activation and action potential firing respectively. GABA (100 M) was pressureapplied close to the soma of the voltage-clamped cells. An example of a perforated patch-clamp experiment is shown in Fig. 1A. The agonist-induced current was measured at different command ...
Frontal Eye Field Neurons Reflect Covert, Serial Shifts of Attention
... As shown above, FEF neurons reflected the allocation of attention to the target location just before the saccade, and to the adjacent, counter-clockwise, location just before that. We focused our analysis on decoding the shift of attention between these locations because, as noted above, there were ...
... As shown above, FEF neurons reflected the allocation of attention to the target location just before the saccade, and to the adjacent, counter-clockwise, location just before that. We focused our analysis on decoding the shift of attention between these locations because, as noted above, there were ...
Neuroscience - Thermo Fisher Scientific
... maintain their proper functional network •is Imaged synapse, on ArrayScan HCSthe Reader which is the junction between a nerve cell and cell that receives an impulse from the neuron. The molecular MAP-2 network between these synapses controls not just synaptic signal transmission and synaptic plastic ...
... maintain their proper functional network •is Imaged synapse, on ArrayScan HCSthe Reader which is the junction between a nerve cell and cell that receives an impulse from the neuron. The molecular MAP-2 network between these synapses controls not just synaptic signal transmission and synaptic plastic ...
ATTENTIONAL MODULATION OF VISUAL PROCESSING John H
... field of a V4 neuron while the monkey attended away from the receptive field to detect a target and earn a juice reward. The stimulus appeared at one of three levels of luminance contrast, two of which (5%, bottom panel, and 10%, middle panel) were too faint to elicit a response. That is, they were ...
... field of a V4 neuron while the monkey attended away from the receptive field to detect a target and earn a juice reward. The stimulus appeared at one of three levels of luminance contrast, two of which (5%, bottom panel, and 10%, middle panel) were too faint to elicit a response. That is, they were ...
Spike Train SIMilarity Space (SSIMS): A Framework for Single
... Thus, the neural activity for each individual trial is represented by a 1 × mn–dimensional vector that includes m similarity measurements for each neuron. When the vectors for each of the m trials are combined into a matrix for an ensemble of n neurons, the result is an m × mn matrix we refer to as ...
... Thus, the neural activity for each individual trial is represented by a 1 × mn–dimensional vector that includes m similarity measurements for each neuron. When the vectors for each of the m trials are combined into a matrix for an ensemble of n neurons, the result is an m × mn matrix we refer to as ...
Hearing, I: The Cochlea - American Journal of Neuroradiology
... The middle ear converts the sound to fluid motion. The inner ear, specifically the cochlea, transforms fluid motion into electric energy. The cochlea is a coiled structure consisting of two and three quarter turns (Figs 1 and 2). If it were elongated, the cochlea would be approximately 30 mm in leng ...
... The middle ear converts the sound to fluid motion. The inner ear, specifically the cochlea, transforms fluid motion into electric energy. The cochlea is a coiled structure consisting of two and three quarter turns (Figs 1 and 2). If it were elongated, the cochlea would be approximately 30 mm in leng ...
Histamine reduces firing and bursting of anterior and intralaminar
... Histamine receptor antagonists were applied to 27 thalamic neurons that were responsive to histamine. In 19 neurons (70%) the effects of histamine could be reduced or prevented by coadministration with mepyramine or cimetidine. The H1 receptor antagonist mepyramine reduced the inhibitory effect of h ...
... Histamine receptor antagonists were applied to 27 thalamic neurons that were responsive to histamine. In 19 neurons (70%) the effects of histamine could be reduced or prevented by coadministration with mepyramine or cimetidine. The H1 receptor antagonist mepyramine reduced the inhibitory effect of h ...
Viewpoint Synaptic Connectivity and Neuronal Morphology: Two
... (or point-to-point) axons, and show that it occupies a prohibitively large volume. This means that evolution had to solve a difficult wiring problem. Adding features of neuronal morphology, such as branching axons, branching dendrites, and dendritic spines, reduces the size of the network, implying ...
... (or point-to-point) axons, and show that it occupies a prohibitively large volume. This means that evolution had to solve a difficult wiring problem. Adding features of neuronal morphology, such as branching axons, branching dendrites, and dendritic spines, reduces the size of the network, implying ...
PATHOPHYSIOLOGY OF THE NERVOUS SYSTEM
... various functions on the conditional reflex mechanism. Endogenous pathogenic factors are divided into primary and secondary. The primary concern hereditary disorders of genetic and chromosomal neurons devices. They are linked hereditary diseases of the nervous system (Down syndrome, endogenous psych ...
... various functions on the conditional reflex mechanism. Endogenous pathogenic factors are divided into primary and secondary. The primary concern hereditary disorders of genetic and chromosomal neurons devices. They are linked hereditary diseases of the nervous system (Down syndrome, endogenous psych ...
The Fraction of Cortical GABAergic Neurons Is Constant from Near
... of three zones: (1) the cortical plate (including cells in the upper intermediate zone) where nearly all GABAergic neurons ultimately reside, (2) the superficial migratory stream (marginal zone) and (3) the deep migratory stream (subventricular zone/ intermediate zone including those cells in ventri ...
... of three zones: (1) the cortical plate (including cells in the upper intermediate zone) where nearly all GABAergic neurons ultimately reside, (2) the superficial migratory stream (marginal zone) and (3) the deep migratory stream (subventricular zone/ intermediate zone including those cells in ventri ...
Saccade-related spread of activity across superior colliculus may
... visually symmetric, also called the SC-asymmetric kernel; see following text). Here the symmetry, either SC or visual space, refers to being isotropic (the same in all directions) as well as homogeneous (the same for neurons everywhere) in the space (see RESULTS for details). The present study notes ...
... visually symmetric, also called the SC-asymmetric kernel; see following text). Here the symmetry, either SC or visual space, refers to being isotropic (the same in all directions) as well as homogeneous (the same for neurons everywhere) in the space (see RESULTS for details). The present study notes ...
Normalization in human somatosensory cortex
... analogous complex pattern of overlapping cortical representations for different fingertips within human S1 (Besle et al. 2013). With high-resolution fMRI (7 T, 1.25 ⫻ 1.25 ⫻ 1.3-mm voxels), distinct representations of the fingertips are evident only in the anterior part of S1 (mainly in the posterio ...
... analogous complex pattern of overlapping cortical representations for different fingertips within human S1 (Besle et al. 2013). With high-resolution fMRI (7 T, 1.25 ⫻ 1.25 ⫻ 1.3-mm voxels), distinct representations of the fingertips are evident only in the anterior part of S1 (mainly in the posterio ...