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Dissertations / Theses on the topic 'CPG (Central pattern generator)'

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Published: 4 June 2021
Last updated: 14 February 2022

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1

Paiva, Rafael Cortes de. "Utilização de CPGs e técnicas de inteligência computacional na geração de marcha em robôs humanóides." reponame:Repositório Institucional da UnB, 2014. http://repositorio.unb.br/handle/10482/17048.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2014.<br>Submitted by Ana Cristina Barbosa da Silva (annabds@hotmail.com) on 2014-11-25T17:23:31Z No. of bitstreams: 1 2014_RafaelCortesdePaiva.pdf: 7660330 bytes, checksum: eaad53db8e1c76edec638a3e30ee5f3e (MD5)<br>Approved for entry into archive by Raquel Viana(raquelviana@bce.unb.br) on 2014-11-25T17:58:53Z (GMT) No. of bitstreams: 1 2014_RafaelCortesdePaiva.pdf: 7660330 bytes, checksum: eaad53db8e1c76edec638a3e30ee5f3e (MD5)<br>Made available in DSpace on 2014-11-25T17:58:54Z (
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Straub, Volko A. "In vitro study of a central pattern generator." Thesis, University of Sussex, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285209.

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3

Acton, David. "Regulation of mammalian spinal locomotor networks by glial cells." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/10133.

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Networks of interneurons within the spinal cord coordinate the rhythmic activation of muscles during locomotion. These networks are subject to extensive neuromodulation, ensuring appropriate behavioural output. Astrocytes are proposed to detect neuronal activity via Gαq-linked G-protein coupled receptors and to secrete neuromodulators in response. However, there is currently a paucity of evidence that astrocytic information processing of this kind is important in behaviour. Here, it is shown that protease-activated receptor-1 (PAR1), a Gαq-linked receptor, is preferentially expressed by glia i
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Atoofi, Payam, Fred H. Hamker, and John Nassour. "Learning of Central Pattern Generator Coordination in Robot Drawing." Frontiers Media S.A, 2018. https://monarch.qucosa.de/id/qucosa%3A31530.

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How do robots learn to perform motor tasks in a specific condition and apply what they have learned in a new condition? This paper proposes a framework for motor coordination acquisition of a robot drawing straight lines within a part of the workspace. Then, it addresses transferring the acquired coordination into another area of the workspace while performing the same task. Motor patterns are generated by a Central Pattern Generator (CPG) model. The motor coordination for a given task is acquired by using a multi-objective optimization method that adjusts the CPGs' parameters involved in the
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5

Plavac, Nick. "Analysis of the central pattern generator for peristalsis in a caterpillar." Diss., Online access via UMI:, 2007.

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Thesis (M.S.)--State University of New York at Binghamton, Department of Systems Science and Industrial Engineering, Thomas J. Watson School of Engineering and Applied Science, 2007.<br>Includes bibliographical references.
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6

Hellgren, Kotaleski Jeanette. "Modeling of bursting mechanisms and coordination in a spinal central pattern generator /." Stockholm : Tekniska högsk, 1998. http://www.lib.kth.se/abs98/hell0616.pdf.

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7

Brooks, Matthew Bryan. "Multistability in bursting patterns in a model of a multifunctional central pattern generator." Atlanta, Ga. : Georgia State University, 2009. http://digitalarchive.gsu.edu/math_theses/73/.

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Thesis (M.S.)--Georgia State University, 2009.<br>Title from title page (Digital Archive@GSU, viewed July 20, 2010) Andrey Shilnikov, Robert Clewley, Gennady Cymbalyuk, committee co-chairs; Igor Belykh, Vladimir Bondarenko, Mukesh Dhamala, Michael Stewart, committee members. Includes bibliographical references (p. 65-67).
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8

Vavoulis, Dimitris V. "Computational modelling of the feeding central pattern generator in the pond snail, lymnaea stagnalis." Thesis, University of Sussex, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444346.

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9

Venugopal, Sharmila. "Role of inhibition and hyperpolarization-activated membrane properties in a lick/gape central pattern generator." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1218566830.

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10

Ockert, Waldemar. "The modulation of locomotor central pattern generators by octopamine and Tyramine indrosophila larvae." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/the-modulation-of-locomotorcentral-pattern-generators-byoctopamine-and-tyramine-indrosophila-larvae(b2d5df6c-23ca-4bdd-9f52-14cf8423c979).html.

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Movement is controlled by neuronal central pattern generator (CPG) networks that are segmentally organised in organisms across the animal kingdom. The precise role of neuromodulators in the function, development and, particularly, the maintenance of these circuits is currently unresolved. This study investigates the effects of chronically altered signalling of tyramine and/or octopamine, two well established neuromodulators, in Drosophila larval locomotion. It shows that tyramine reduces crawling speed in larvae, whereas octopamine increases speed up to a physiological maximum. Changes in craw
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11

Vierk, Ricardo [Verfasser]. "Postembryonic maturation and putative modulation of the central pattern generator for flight in Manduca sexta / Ricardo Vierk." Berlin : Freie Universität Berlin, 2010. http://d-nb.info/1024103439/34.

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12

Zhao, Le. "Adaptive neurocomputation with spiking semiconductor neurons." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675688.

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In this thesis, we study the neurocomputation by implementing two different neuron models. One is a semi magnetic micro p-n wire that emulates nerve fibres and supports the electrical propagation and regeneration. The other is a silicon neuron based on Hodgkin-Huxley conductance model that can generate spatiotemporal spiking patterns. The former model focuses on the spatial propagation of electrical pulses along a transmission line and presents the thesis that action potentials may be represented by solitary waves. The later model focuses on the dynamical properties such as how the output patt
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13

Garcia, Paul Anthony. "Modeling the Intersegmental Coordination of Heart Motor Neurons in the Medicinal Leech." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5064.

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We constructed a model of the coordination of segmental heart motor neurons driving blood circulation in leeches. The heart motor neuron models were conductance-based; conductances of voltage-gated and synaptic currents were adjusted to match the firing pattern of heart motor neurons from the living system. Each motor neuron receives a specific pattern of inhibitory input from rhythmic premotor heart interneurons and translates this spatiotemporal pattern into the fictive heartbeat motor pattern. The temporal pattern of synaptic input to the model was derived from extracellularly recorded spi
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14

Anderson, JoAnna Todd. "Characterization of a sacral dorsal column pathway activating autonomic and hindlimb motor pattern generation." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42849.

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Spinal cord injuries (SCI) sever communication between supraspinal centers and the central pattern generator (CPG) responsible for locomotion. Because the CPG is intact and retains the ability to initiate locomotor activity, it can be accessed electrically and pharmacologically. The goal of this thesis was to identify and characterize a novel spinal cord surface site along the sacral dorsal column (sDC) for electrically evoking locomotor-like activity in the neonatal rat spinal cord. Stimulation of the sDC robustly activated rhythmic left-right alternation in flexor-related ventral roots th
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15

Snell, Lewis Casbeer. "Sensorimotor Integration And The Role Of The Cercal System In The Reproductive Behavior Of The Cricket, Acheta Domesticus." Oxford, Ohio : Miami University, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1122917477.

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16

Wojcik, Jeremy J. "Neural Cartography: Computer Assisted Poincare Return Mappings for Biological Oscillations." Digital Archive @ GSU, 2012. http://digitalarchive.gsu.edu/math_diss/10.

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This dissertation creates practical methods for Poincaré return mappings of individual and networked neuron models. Elliptic bursting models are found in numerous biological systems, including the external Globus Pallidus (GPe) section of the brain; the focus for studies of epileptic seizures and Parkinson's disease. However, the bifurcation structure for changes in dynamics remains incomplete. This dissertation develops computer-assisted Poincaré ́maps for mathematical and biologically relevant elliptic bursting neuron models and central pattern generators (CPGs). The first method, used for i
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17

Klein, Theresa Jean. "A Neurorobotic Model of Humanoid Walking." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/203434.

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In this dissertation, we describe the development of a humanoid bipedal robot that fully physically models the human walking system, including the biomechanics of the leg, the sensory feedback pathways available in the body, and the neural structure of the central pattern generator (CPG). Using two different models of the CPG, we explore several issues in the neurobiology and robotics literature, including the role of reflexes in locomotion, the role of load reception and positive force feedback in generating the gait, and the degree to which central or peripheral control plays in human walki
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18

Perry, Sharn. "Deciphering the Locomotor Network : The Role of Spinal Cord Interneurons." Doctoral thesis, Uppsala universitet, Institutionen för neurovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-305601.

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In the spinal cord, an intricate neural network generates and coordinates the patterning of limb movements during locomotion. This network, known as the locomotor central pattern generator (CPG), comprises of various cell populations that together orchestrate the output of motor neurons. Identification of CPG neurons through their specific gene expression is a valuable tool that can provide considerable insight to the character, intrinsic properties and role of a population, which represents a step toward understanding locomotor circuit function and correlating neural activity to behaviour. We
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19

Rubeo, Scott Edward. "Control of Simulated Cockroach Using Synthetic Nervous Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1495555770825904.

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20

Shaw, Kendrick Matthew. "Dynamical Architectures for Controlling Feeding in Aplysia californica." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1382998904.

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21

Clark, Merry Christine. "MonoAminergic Receptors in the Stomatogastric Nervous System: Characterization and Localization in Panulirus Interruptus." Digital Archive @ GSU, 2008. http://digitalarchive.gsu.edu/biology_diss/36.

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Neural circuit flexibility is fundamental to the production of adaptable behaviors. Invertebrate models offer relatively simple networks consisting of large, identifiable neurons that are useful for investigating the electrophysiological properties that contribute to circuit output. In particular, central pattern generating circuits within the crustacean stomatogastric nervous system have been well characterized with regard to their synaptic connectivities, cellular properties, and response to modulatory influences. Monoaminergic modulation is essential for the production of adaptable circuit
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22

Merrison-Hort, Robert. "Computational study of the mechanisms underlying oscillation in neuronal locomotor circuits." Thesis, University of Plymouth, 2014. http://hdl.handle.net/10026.1/3107.

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In this thesis we model two very different movement-related neuronal circuits, both of which produce oscillatory patterns of activity. In one case we study oscillatory activity in the basal ganglia under both normal and Parkinsonian conditions. First, we used a detailed Hodgkin-Huxley type spiking model to investigate the activity patterns that arise when oscillatory cortical input is transmitted to the globus pallidus via the subthalamic nucleus. Our model reproduced a result from rodent studies which shows that two anti-phase oscillatory groups of pallidal neurons appear under Parkinsonian c
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23

Gaspar, Roberta Caveiro. "Respostas motoras durante a marcha com suspensão parcial de peso na esteira em indivíduos com lesão medular completa e incompleta." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/39/39136/tde-18062018-151435/.

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Introdução: A Locomoção tem como uma das características básicas a ritmicidade. Entre os mecanismos que envolvem seu controle destaca-se o conceito de um gerador de padrão central (GPC) capaz de gerar atividades neurais e musculares rítmicas. A técnica de treino locomotor com suspensão de peso na esteira (TLSP) utiliza esse conceito e emerge como uma estratégia terapêutica efetiva após a lesão medular (LM) em humanos em função do alto nível de automatismo do sistema nervoso, podendo ser esperadas diferentes respostas em lesões completas e incompletas. Portanto, uma análise detalhada das respos
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24

Hayes, Heather Brant. "Biomechanics and electrophysiology of sensory regulation during locomotion in a novel in vitro spinal cord-hindlimb preparation." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/42797.

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The purpose of this dissertation was to gain insight into spinal sensory regulation during locomotion. To this end, I developed a novel in vitro spinal cord-hindlimb preparation (SCHP) composed of the isolated in vitro neonatal rat spinal cord oriented dorsal-up with intact hindlimbs locomoting on a custom-built treadmill or instrumented force platforms. The SCHP combines the neural and pharmacological accessibility of classic in vitro spinal cord preparations with intact sensory feedback from physiological hindlimb movements. thereby expanding our ability to study spinal sensory function. I t
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25

Shachykov, Andrii. "Neural modeling of human motor coordination inspired by biological signals aiming for parkinsonian gaits." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0291.

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Cette thèse présente une plate-forme de simulation neuro-musculo-squelettique du système locomoteur humain pour reproduire des allures de marche saines ou altérées par la maladie de Parkinson, ou par d’autres troubles locomoteurs. Le premier chapitre s’intéresse aux grands principes du système locomoteur en se focalisant sur les structures neuronales du cerveau qui sont le siège des troubles parkinsoniens. La transmission à la moelle épinière des signaux de contrôle de l'activité musculaire au travers de plusieurs boucles fermées est décrite. Différents modèles neuronaux des troubles parkinson
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26

Harischandra, Nalin. "Computer Simulation of the Neural Control of Locomotion in the Cat and the Salamander." Doctoral thesis, KTH, Beräkningsbiologi, CB, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-47362.

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Locomotion is an integral part of a whole range of animal behaviours. The basic rhythm for locomotion in vertebrates has been shown to arise from local networks residing in the spinal cord and these networks are known as central pattern generators (CPG). However, during the locomotion, these centres are constantly interacting with the sensory feedback signals coming from muscles, joints and peripheral skin receptors in order to adapt the stepping or swimming to varying environmental conditions. Conceptual models of vertebrate locomotion have been constructed using mathematical models of locomo
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藤木, 聡一朗. "非線形振動子を用いた脚ロボットの肢間協調メカニズムに関する研究". Kyoto University, 2015. http://hdl.handle.net/2433/199503.

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28

Larhammar, Martin. "Neuronal Networks of Movement : Slc10a4 as a Modulator & Dmrt3 as a Gait-keeper." Doctoral thesis, Uppsala universitet, Genetisk utvecklingsbiologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-230425.

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Nerve cells are organized into complex networks that comprise the building blocks of our nervous system. Neurons communicate by transmitting messenger molecules released from synaptic vesicles. Alterations in neuronal circuitry and synaptic signaling contribute to a wide range of neurological conditions, often with consequences for movement. Intrinsic neuronal networks in the spinal cord serve to coordinate vital rhythmic motor functions. In spite of extensive efforts to address the organization of these neural circuits, much remains to be revealed regarding the identity and function of specif
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Chen, Zhixiong. "Brainstem Mechanisms Underlying Ingestion and Rejection." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1041523002.

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30

Lakshmanan, Subashini. "ROLE OF MULTIUNIT ACTIVITY IN RYTHMOGENESIS: INSIGHTS FROM DELETIONS." Master's thesis, Temple University Libraries, 2015. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/357746.

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Bioengineering<br>M.S.<br>The rhythmic activity of locomotion is most frequently modeled as a periodic oscillation coordinated by a spinal Central Pattern Generator (CPG) controlling reciprocal activation of flexor and extensor muscles. Expression of locomotion errors in the form of spontaneous deletions in the motor output has been critical in formulating models of CPG network structure governing locomotion in mammals (Lafreniere-Roula et al 2005, Duysens 2006). Deletions are defined as the disappearance of either antagonist or agonist muscles’ activity along with the simultaneous tonic/rhyth
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31

Fujiki, Soichirou. "Studies on underlying mechanism of interlimb coordination of legged robots using nonlinear oscillators." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199270.

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32

Nascimento, Filipe. "Cholinergic modulation of spinal motoneurons and locomotor control networks in mice." Thesis, University of St Andrews, 2018. http://hdl.handle.net/10023/16141.

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Locomotion is an innate behaviour that is controlled by different areas of the central nervous system, which allow for effectiveness of movement. The spinal cord is an important centre involved in the generation and maintenance of rhythmic patterns of locomotor activity such as walking and running. Interneurons throughout the ventral horn of the spinal cord form the locomotor central pattern generator (CPG) circuit, which produces rhythmic activity responsible for hindlimb movement. Motoneurons within the lumbar region of the spinal cord innervate the leg muscles to convey rhythmic CPG output
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33

Harischandra, Nalin. "Computer Simulation of the Neural Control of Locomotion in the Cat." Licentiate thesis, Stockholm : Numerisk analys och datalogi, Numerical Analysis and Computer Science, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4692.

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34

Hudson, Amber Elise. "Neuronal mechanisms for the maintenance of consistent behavior in the stomatogastric ganglion of Cancer borealis." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47654.

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Each neuron needs to maintain a careful balance between the changes implicit in experience, and the demands of stability required by its function. This balance tips depending on the neuronal system, but in any role, disease or neural disorders can develop when the regulatory mechanisms involved in neuronal stability fail. The objective of this thesis was to characterize mechanisms underlying neuronal stability and activity maintenance, in the hopes that further understanding of these processes might someday lead to novel interventions for neurological disorders. The pyloric circuit of decapo
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Guzulaitis, Robertas. "The organisation principles of spinal neural network: temporal integration of somatosensory input and distribution of network activity." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130925_093153-76748.

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Spinal cord integrates somatosensory information and generates coordinated motor responses. Temporal integration can be used for discrimination of important stimuli from noise. Here it is shown that temporal integration of somatosensory inputs in sub second time scale is possible without changes of intrinsic properties of motoneurons. The activity of premotor neurons increases during temporal integration and can be a mechanism for short term information storage in spinal cord. Suppression of motor activity after painful somatosensory stimulus is called cutaneous silent period. This motor suppr
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Guzulaitis, Robertas. "Nugaros smegenų neuronų tinklo veikimo principai: somatosensorinės informacijos integracija ir aktyvumo išplitimas." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130925_093406-59707.

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Nugaros smegenys gauna somatosensorinę informaciją, ją integruoja ir generuoja motorinius atsakus. Disertacijoje parodoma, kad somatosensorinių įėjimų viršsekundinė laikinė integracija nugaros smegenų neuronų tinkle vyksta ne dėl motorinių neuronų vidinių savybių kitimo. Laikinės integracijos metu padidėja priešmotorinių neuronų aktyvumas ir tai gali lemti informacijos apie somatosensorinį įėjimą saugojimą. Somatosensorinis tylos periodas – tai motorinio aktyvumo slopinimas po skausmingo stimulo. Jis plačiai aprašytas žmonėse, bei taikomas diagnostikoje. Nepaisant plataus taikymo, somatosensor
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37

Wolf, Sébastien. "The neural substrate of goal-directed locomotion in zebrafish and whole-brain functional imaging with two-photon light-sheet microscopy." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066468/document.

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La première partie de cette thèse présente une revue historique sur les méthodes d'enregistrements d'activité neuronale, suivie par une étude sur une nouvelle technique d'imagerie pour le poisson zèbre : la microscopie par nappe laser 2 photon. En combinant, les avantages de la microscopie 2 photon et l'imagerie par nappe de lumière, le microscope par nappe laser 2 photon garantie des enregistrements à haute vitesse avec un faible taux de lésions photoniques et permet d'éviter l'une des principales limitations du microscope à nappe laser 1 photon: la perturbation du système visuel. La deuxième
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Tazerart, Sabrina. "Le courant sodique persistant dans le réseau locomoteur du rat nouveau-né : sa contribution dans l'émergence des activités pacemakers et du rythme locomoteur." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX20653.

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La locomotion se définit par des mouvements répétés et coordonnés des membres droits et gauches et des muscles antagonistes d’une même articulation. L’activité locomotrice des rongeurs est générée par des groupes de neurones localisés dans la partie antérieure de l’élargissement lombaire; ce réseau de cellules est appelé Central Pattern Generator (CPG). Au cours de cette thèse, les études entreprises chez le rat nouveau-né ont eu pour but d’étudier les mécanismes cellulaires impliqués dans la genèse du rythme locomoteur. Le courant sodique persistant (INaP) joue un rôle important dans la genès
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Porter, Nicola J. "Muscarinic actions in Xenopus laevis tadpole swimming." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/4286.

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Muscarinic acetylcholine receptors (mAChRs) mediate effects of acetylcholine (ACh) in many systems, including those involved in locomotion. In the stage 37/38 Xenopus laevis tadpole, a well-understood model system of vertebrate locomotion, mAChRs have been found to be located on motor neurons with evidence suggesting that mAChRs are involved in swimming behaviour. The current study aimed to further investigate the role of mAChR-mediated cholinergic transmission by employing extracellular and whole-cell patch clamp recordings to examine the effects of mAChR activation on the properties of diffe
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Babski, Hélène. "Implication des neurones TJ-positifs dans le comportement locomoteur de la larve de Drosophile." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTT021/document.

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Les CPGs (Central Pattern Generators) sont des circuits neuronaux capables de générer de façon autonome des comportements rythmiques essentiels à la vie tels que la respiration ou la locomotion. Chez la larve de Drosophile, le CPG locomoteur est composé de motoneurones (MNs) et d’une grande diversité d’interneurones (INs). Combien d’entre eux sont nécessaires pour former une CPG fonctionnel et comment ils interagissent reste un mystère. Au cours de mon doctorat, j’ai étudié une population neuronale restreinte caractérisée par son expression du facteur de transcription (FT) de la famille des Ma
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41

Park, Youngmin. "Infinitesimal Phase Response Curves for Piecewise Smooth Dynamical Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1370643724.

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42

Hurteau, Marie-France. "Effet d’une stimulation cutanée tonique de la région lombaire sur l’activité locomotrice du chat adulte ayant une lésion complète de la moelle épinière." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/6749.

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Résumé : Suite à une lésion de la moelle épinière, divers comportements moteurs invalidants, tels des spasmes peuvent apparaître. Les traitements actuels pour la spasticité causent divers effets secondaires, dont une réduction de la capacité locomotrice des patients. La recherche de traitements non invasifs et non pharmacologiques permettant de réduire la spasticité sans affecter la récupération fonctionnelle du patient s’avère donc un enjeu prioritaire. Par ailleurs, une réduction des spasmes rythmiques peut être observée lorsque la peau lombosacrée est pincée. Ce potentiel inhibiteur d’une s
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43

Barnett, William Halbert. "Duty Cycle Maintenance in an Artificial Neuron." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/phy_astr_theses/7.

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Neuroprosthetics is at the intersection of neuroscience, biomedical engineering, and physics. A biocompatible neuroprosthesis contains artificial neurons exhibiting biophysically plausible dynamics. Hybrid systems analysis could be used to prototype such artificial neurons. Biohybrid systems are composed of artificial and living neurons coupled via real-time computing and dynamic clamp. Model neurons must be thoroughly tested before coupled with a living cell. We use bifurcation theory to identify hazardous regimes of activity that may compromise biocompatibility and to identify control strate
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44

Soofi, Wafa Ahmed. "Regulation of rhythmic activity in the stomatogastric ganglion of decapod crustaceans." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53440.

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Neuronal networks produce reliable functional output throughout the lifespan of an animal despite ceaseless molecular turnover and a constantly changing environment. The cellular and molecular mechanisms underlying the ability of these networks to maintain functional stability remain poorly understood. Central pattern generating circuits produce a stable, predictable rhythm, making them ideal candidates for studying mechanisms of activity maintenance. By identifying and characterizing the regulators of activity in small neuronal circuits, we not only obtain a clearer understanding of how ne
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Motyčková, Paulína. "Simulační modelování a řízení hadům podobných robotů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442848.

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This paper deals with the design of a robotic snake, its assembly, simulation using CoppeliaSim, and the testing of various methods for the control of robotic snakes (Serpentinoid, CPG). For individual control methods, the influence of selected parameters on the signals controlling the motorized joints of the robotic snake is observed, and their influence on the speed and energy consumption of the given mechanism is described.
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Newcomb, James M. "Homologous Neurons and their Locomotor Functions in Nudibranch Molluscs." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/biology_diss/15.

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These studies compare neurotransmitter localization and the behavioral functions of homologous neurons in nudibranch molluscs to determine the types of changes that might underlie the evolution of species-specific behaviors. Serotonin (5-HT) immunohistochemistry in eleven nudibranch species indicated that certain groups of 5 HT-immunoreactive neurons, such as the Cerebral Serotonergic Posterior (CeSP) cluster, are present in all species. However, the locations and numbers of many other 5 HT-immunoreactive neurons were variable. Thus, particular parts of the serotonergic system have changed dur
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Athanassiadis, Tuija. "Neural circuits engaged in mastication and orofacial nociception." Doctoral thesis, Umeå : Department of Integrative Medical Biology, Umeå university, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-26342.

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Vezenkov, Stoyan Raykov. "Pharmacological studies on the contribution of the neuropeptide proctolin to the cephalic control of singing behavior in grasshopper Chorthippus biguttulus (L. 1758)." Doctoral thesis, [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974032557.

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Gezelius, Henrik. "Studies of Spinal Motor Control Networks in Genetically Modified Mouse Models." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-109889.

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Delivet-Mongrain, Hugo. "L'importance du système noradrénergique aux niveaux thoracique et lombaire de la moelle épinière pour la locomotion du chat." Thèse, 2008. http://hdl.handle.net/1866/8008.

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