Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 251 for “"Pyramidal"”.
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Photodetection in Silicon Pyramidal Microdischarges
Photodetection in a silicon pyramidal microdischarge device has been observed. This hybrid plasma/semiconductor device was fabricated from standard silicon wafers using common integrated circuit, microfabrication techniques. The response of the devices to a 780-nm laser diode was shown to have an …
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Pyramidal tract effects on spinal cord interneurons.
Massachusetts Institute of Technology. Dept. of Physics. Thesis. 1966. Ph.D.
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Molecular Dissection of IA Channels in Cortical Pyramidal Neurons
… that generate I <sub>A</sub> in cortical pyramidal neurons. Combining genetic disruption of individual Kv α-subunit genes with pharmacological approaches to block Kv currents selectively, the experiments here revealed that Kv1.4, Kv4.2 and Kv4.3 α-subunits encode distinct components of I …
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Cortical Pyramidal Neuron Subtype Classification and Visual Response Diversity
… and computation. The classification of pyramidal neurons into functional subtypes remains a crucial part of this survey since the subtype-specific division of labor creates a rich substrate for computation. However, the extreme integration of individual neurons into the collective cortex …
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Modelling the somatic electrical response of hippocampal pyramidal neurons
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Calcium Regulation of a Slow AHP in Hippocampal Pyramidal Cells
… afterhyperpolarization (sAHP) in CA1 hippocampal pyramidal cells is calcium-dependent and involves activation of KCa3.1 and KCNQ potassium channels. Both KCa3.1 and KCNQ channels bind calmodulin (CaM) as a calcium sensor, with an additional role proposed for the protein hippocalcin. We measured …
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An optimized dual-polarized quad-ridges horn antenna with pyramidal sidewalls
… performance of the quad-ridged horn antenna with pyramidal sidewalls is improved by separating the antenna into the transition and flared horn sections, and optimizing these sections individually. It is shown that a transition section with a pyramidal cavity and steps, and a flared horn section …
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Small molecule binding to electrophilic trigonal pyramidal platinum, palladium, and nickel
… and carbon dioxide. Chapter 2 Trigonal bipyramidal platinum(II) complexes of the monoanionic, tetradentate, triphosphine [SiPR₃ ([SiP₃R]- = [(2-R₂PC₆H₄)₃Si]-; R = Ph, iPr) ligand are prepared and shown to provide access to cationic species with divergent behavior. The less electron-rich …
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Distinct Populations of Layer 5B Pyramidal Neurons in the Primary Motor Cortex
… signals from the cortex, contains excitatory pyramidal neurons that innervate many subcortical areas of the brain. In the motor cortex, L5b is thicker and contains more pyramidal neurons than L5b of other cortical areas. Electrophysiological, anatomical, and RNA-Seq profiling of neurons in the …
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Control and Sensor Development on a Four-Wheel Pyramidal Reaction Wheel Platform
<p>The Pyramidal Reaction Wheel Platform, or PRWP, is used to simulate three-axis controls in a torque free space-like environment. The primary purpose of the system will be to evaluate the effects of conjoining sensors to maximize pointing accuracy. Furthermore, the system will incorporate a star …
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The Effects of Pyramidal Training on Staff Acquisition of Five Behavior Analytic Procedures
… only limited training soon after being hired. Pyramidal training is an effective model for disseminating applied behavior analytic skills to employees that treat individuals with developmental disabilities. This study used a multiple probes design across teachers and a delayed multiple baseline …
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Combining behavior skills training and pyramidal training : evaluating procedural integrity of functional communication training
… Training (FCT) across multiple tiers of pyramidal Behavior Skills Training (BST) and the procedural integrity of the training performed by non-expert trainers. Eight support service staff participated in the study. A multiple probe design was used to demonstrate the functional …
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Optical imaging of dendritic spikes in apical oblique dendrites of layer 5 pyramidal neurons
… role of apical oblique dendrites of layer 5 pyramidal neurons (L5PNs) are less understood. In this thesis, I aim to understand to functional role of thin apical oblique dendrites of L5PNs in the cortex. Using a previously published multi-compartment model of a L5PN, I first investigated the …
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Optical imaging of dendritic spikes in apical oblique dendrites of layer 5 pyramidal neurons
… role of apical oblique dendrites of layer 5 pyramidal neurons (L5PNs) are less understood. In this thesis, I aim to understand to functional role of thin apical oblique dendrites of L5PNs in the cortex. Using a previously published multi-compartment model of a L5PN, I first investigated the …
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Molecular and Functional Characterization of Pyramidal Cell Types in the Frontal Cortex of Mouse Brain
… We generated bacTRAP transgenic mice for six pyramidal cell types in the neocortex distinct by marker expression, areal/laminar topography, connectivity and cell morphology. These include corticocortical neurons in upper layer 2 of neocortex defined by genes Ntf3, Pdyn and Wfs1, …
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Effects of pyramidal training on school psychologist and teacher implementation of trial-based function analysis
… of educators to conduct trial-based FA using a pyramidal approach. This training model allows a consultant to train a small group of supervisors (e.g., school psychologists) who in turn train and support other educators (Page et al., 1982). Ultimately, the consultant will work him/herself out of …
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Inhibition, Synapses, and Spike-Timing: Identification and disruption of pyramidal cell-interneuron interactions in SPW-Rs
… area CA1, interactions between excitatory pyramidal cells and inhibitory interneurons shape ensemble activity which encodes sequential experience. An extremely diverse set of inhibitory interneurons, with variation in gene expression, synaptic targeting, state-dependent activity, and …
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Temporal synchronization of CA1 pyramidal cells by high-frequency, depressing inhibition, in the presence of intracellular noise
… during periods of immobility. During the ripple, pyramidal cells synchronize over a short period of time despite the fact that these cells have sparse recurrent connections. Additionally, the timing of synchronized pyramidal cell spiking may be critical for encoding information that is passed on …
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ADENOSINE SYSTEM DYNAMICS AND SK CHANNELS MODULATE BASOLATERAL AMYGDALA PYRAMIDAL CELL EXCITABILITY: IMPLICATIONS FOR ANXIETY DISORDERS AND COMORBID ETHANOL ABUSE
Alcohol use disorders (AUDs) impart serious social and economic costs on society. For example, nearly 1 in 18 Americans abuses or is addicted to alcohol, contributing nearly $234 billion per year in socioeconomic costs. Despite this, effective pharmacological treatments remain elusive. To aid in …
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