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Relevant bibliographies by topics / Minicolumn

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Academic literature on the topic 'Minicolumn'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Minicolumn"

1

Lücke, Jörg, and Christoph von der Malsburg. "Rapid Processing and Unsupervised Learning in a Model of the Cortical Macrocolumn." Neural Computation 16, no. 3 (2004): 501–33. http://dx.doi.org/10.1162/089976604772744893.

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We study a model of the cortical macrocolumn consisting of a collection of inhibitorily coupled minicolumns. The proposed system overcomes several severe deficits of systems based on single neurons as cerebral functional units, notably limited robustness to damage and unrealistically large computation time. Motivated by neuroanatomical and neurophysiological findings, the utilized dynamics is based on a simple model of a spiking neuron with refractory period, fixed random excitatory interconnection within minicolumns, and instantaneous inhibition within one macrocolumn. A stability analysis of

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Johansson, Christopher, and Anders Lansner. "Imposing Biological Constraints onto an Abstract Neocortical Attractor Network Model." Neural Computation 19, no. 7 (2007): 1871–96. http://dx.doi.org/10.1162/neco.2007.19.7.1871.

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In this letter, we study an abstract model of neocortex based on its modularization into mini- and hypercolumns. We discuss a full-scale instance of this model and connect its network properties to the underlying biological properties of neurons in cortex. In particular, we discuss how the biological constraints put on the network determine the network's performance in terms of storage capacity. We show that a network instantiating the model scales well given the biologically constrained parameters on activity and connectivity, which makes this network interesting also as an engineered system.

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Ueno, Eiji, Harumi Oshima, Isao Saito, and Hiroshi Matsumoto. "Determination of Nitrogen- and Phosphorus-Containing Pesticide Residues in Vegetables by Gas Chromatography with Nitrogen–Phosphorus and Flame Photometric Detection after Gel Permeation Chromatography and a Two-Step Minicolumn Cleanup." Journal of AOAC INTERNATIONAL 86, no. 6 (2003): 1241–51. http://dx.doi.org/10.1093/jaoac/86.6.1241.

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Abstract An efficient and reliable multiresidue method for determining pesticide residues in a large number of vegetable samples was studied. First, the important target compounds for monitoring, 52 nitrogen-and/or phosphorus-containing pesticides, were selected. The sample was extracted with acetonitrile, and the separated acetonitrile layer was cleaned up by a salting-out step. The acetonitrile extract was purified by gel permeation chromatography that divided the pesticide eluate into 2 fractions; the pesticide fractions were respectively purified by a 2-step minicolumn cleanup in which the

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Tsai, Y. J., J. I. Davidson, V. Chew, R. J. Cole, and T. H. Sanders. "Characteristics of Visual, Minicolumn and TLC Methods in Detecting Aflatoxin Contaminated Loads of Farmers Stock Peanuts." Peanut Science 16, no. 1 (1989): 1–5. http://dx.doi.org/10.3146/i0095-3679-16-1-1.

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Abstract Results from two 1980 experiments were used to compare the performance of the visual, minicolumn and thin-layer chromatography (TLC) methods in detecting loads of farmers stock peanuts with aflatoxin. The first experiment was conducted to establish variability of the methods under ideal conditions. The second experiment was conducted to evaluate the performance of the three methods under commercial conditions. In this paper, data and empirical models were used to explore potential improvements in detecting low-level contaminated lots. The minicolumn and TLC methods were very sensitive

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Dorner, Joe W., and Richard J. Cole. "Rapid Determination of Aflatoxins in Raw Peanuts by Liquid Chromatography with Postcolumn Iodination and Modified Minicolumn Cleanup." Journal of AOAC INTERNATIONAL 71, no. 1 (1988): 43–47. http://dx.doi.org/10.1093/jaoac/71.1.43.

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Abstract A method is described for rapid cleanup followed by reverse-phase liquid chromatographic (LC) quantitation of aflatoxins in raw peanuts. A modified minicolumn cleanup is used for sample preparation, and a preliminary estimation of aflatoxin content by minicolumn can be made so that highly contaminated samples can be diluted before LC analysis. The use of the simple, quick minicolumn cleanup eliminates the need for further column or cartridge cleanup, thus greatly reducing sample preparation time. Sensitive quantitation is achieved using a phenyl column, a mobile phase of water-tetrahy

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Buxhoeveden, Daniel P., and Manuel F. Casanova. "The minicolumn hypothesis in neuroscience." Brain 125, no. 5 (2002): 935–51. http://dx.doi.org/10.1093/brain/awf110.

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Tiwari, Shelja, Niharika Sharma, and Reena Saxena. "On-line speciation of chromium using a modified chelating resin and determination in industrial water samples by flame atomic absorption spectrometry." New Journal of Chemistry 40, no. 2 (2016): 1412–19. http://dx.doi.org/10.1039/c5nj02283e.

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Cohen, Margo P., Janice Witt, and Van-Yu Wu. "Purified Haemoglobin Preparations in the Evaluation of HbA1c Determination by Ion Exchange Chromatography." Annals of Clinical Biochemistry: International Journal of Laboratory Medicine 30, no. 3 (1993): 265–71. http://dx.doi.org/10.1177/000456329303000307.

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The use of ion exchange resins for the estimation of HbA1c in clinical samples rests on the assumption that HbA1c is effectively and efficiently separated from other N-terminally modified haemoglobins and from HbAo. To test this assumption, we applied highly purified preparations of HbA1a+1b, HbA1c and HbAo to ion exchange minicolumns, using conditions of application simulating actual blood samples and the first and second elution buffers provided by the manufacturer. The authenticity and purity of the applied haemoglobin preparations were documented by high performance liquid chromatography,

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Hasselmo, Michael E. "A Model of Prefrontal Cortical Mechanisms for Goal-directed Behavior." Journal of Cognitive Neuroscience 17, no. 7 (2005): 1115–29. http://dx.doi.org/10.1162/0898929054475190.

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Many behavioral tasks require goal-directed actions to obtain delayed reward. The prefrontal cortex appears to mediate many aspects of goal-directed decision making. This article presents a model of prefrontal cortex function emphasizing the influence of goal-related activity on the choice of the next motor output. The model can be interpreted in terms of key elements of Reinforcement Learning Theory. Different neocortical minicolumns represent distinct sensory input states and distinct motor output actions. The dynamics of each minicolumn include separate phases of encoding and retrieval. Dur

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Furusawa, Naoto, Kunio Okazaki, Sachiko Iriguchi, Hidemasa Yamaguchi, and Minoru Saitoh. "Gel Permeation and Florisil Chromatographic Cleanup and Gas Chromatographic Determination of Organochlorine Pesticides in Eggs." Journal of AOAC INTERNATIONAL 81, no. 5 (1998): 1033–36. http://dx.doi.org/10.1093/jaoac/81.5.1033.

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Abstract Cleanup of residual organochlorine pesticides (OCPs; α-, β-, γ-, and δ-BHC; aldrin; dieldrin; p,p′-DDE; o,p′-DDT; p,p′-DDD; and p,p′-DUX) in eggs by gel permeation chromatography (GPC) and Florisil minicolumn chromatography is described. Ten OCPs in purified extract are determined by gas chromatography with electron capture detection. The lipids extracted from whole egg are cleaned up first by GPC with an Envirogel column and an ethyl acetate-cychlohexane (1 + 1, v/v) mobile phase and then by Florisil minicolumn chromatography with 15% (v/v) diethyl ether-hexane eluant. Cleanup is hig

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Dissertations / Theses on the topic "Minicolumn"

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Basawaraj. "Implementation of Memory for Cognitive Agents Using Biologically Plausible Associative Pulsing Neurons." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1561721551043877.

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Cavaco, Philip. "Artificial Grammar Recognition Using Spiking Neural Networks." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-5875.

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<p>This thesis explores the feasibility of Artificial Grammar (AG) recognition using spiking neural networks. A biologically inspired minicolumn model is designed as the base computational unit. Two network topographies are defined with different ideologies. Both networks consists of minicolumn models, referred to as nodes, connected with excitatory and inhibitory connections. The first network contains nodes for every bigram and trigram producible by the grammar’s finite state machine (FSM). The second network has only nodes required to identify unique internal states of the FSM. The networks

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ZHU, Yanbei, Ryota HATTORI, Eiji FUJIMORI, Tomonari UMEMURA, and Hiroki HARAGUCHI. "Multielement Determination of Trace Metals in River Water (Certified Reference Material, JSAC 0301-1) by High Efficiency Nebulization ICP-MS after 100-fold Preconcentration with a Chelating Resin-Packed Minicolumn." 日本分析化学会, 2005. http://hdl.handle.net/2237/8752.

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Chiu, Joannellyn Tommerdahl Mark Allen. "Functional characterization of minicolumnar patterns in the somatosensory cortex." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2006. http://dc.lib.unc.edu/u?/etd,674.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2006.<br>Title from electronic title page (viewed Oct. 10, 2007). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Biomedical Engineering." Discipline: Biomedical Engineering; Department/School: Medicine.

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McKavanagh, Rebecca. "The neuropathology of the social cognitive network in autism." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:e189c42c-7c87-470d-ab8f-c6b66a430f5e.

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Potential differences in developmental trajectory were investigated in autism at both the macro- and micro-scopic scale, using regional volumetric measurements from in-vivo scans and measurements of minicolumnar organisation of the cortex in post-mortem tissue. In addition, a study was carried out to investigate the sensitivity of measures of cortical diffusion to cortical architecture. Three key regions of interest were studied throughout this thesis, orbital frontal cortex (BA11), primary auditory cortex (BA41) and part of the inferior parietal lobe (BA40). Subjects with ASD showed increases

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Johansson, Christopher. "An Attractor Memory Model of Neocortex." Doctoral thesis, Stockholm : Numerical Analysis and Computer Science, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4136.

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Lemos, Valfredo Azevedo. "Sistema em linha para pré-concentração e determinação de cádmio e chumbo por espectrometria de absorção atômica com chama utilizando minicoluna de espuma de poliuretano impregnada com 2-(2´-benzotiazolilazo)-p-cresol." Instituto de Química, 2001. http://repositorio.ufba.br/ri/handle/ri/20631.

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Chen, Yi-Ting, and 陳怡婷. "PVC-Packed Minicolumn and 3D-Printed Minicolumn Coupled with ICP-MS respectively for Speciation of Iron in Living Rat Brain Extracellular Fluid and Natural Water Samples." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ze73p8.

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碩士<br>國立清華大學<br>生醫工程與環境科學系<br>106<br>Exploration of brain extracellular non-protein-bound/diffusible iron species remains an important issue in investigations of free radical biology and neurodegenerative diseases. In this study, a sample pretreatment scheme, involving poly(vinyl chloride)–packed minicolumn as a selective extraction device, was optimized in conjunction with microdialysis sampling and inductively coupled plasma mass spectrometry (ICP-MS) in cool-plasma mode for in vivo online monitoring of rat brain extracellular Fe(II) and Fe(III). After system’s optimization, the method’s app

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Chen, Wei-Cheng, and 陳韋誠. "3D-Printed, TiO2 NP–Incorporated Minicolumn Coupled with ICP-MS for Speciation of Inorganic As, Cr, and Se in High-Salt-Content Samples." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/42pdqn.

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碩士<br>國立臺灣海洋大學<br>生命科學暨生物科技學系<br>106<br>To extend the applicability of solid phase extraction devices manufactured by 3D printing technologies, a stereolithographic 3D printer and the resin incorporated with titanium dioxide nanoparticles (TiO2 NPs) were utilized to fabricate a demountable minicolunm with the TiO2 NP–incorporated packing as a sample pretreatment device to selectively extract inorganic Cr, As, and Se species in high-salt-content samples and facilitate their analyses when hyphenating to an inductively coupled plasma mass spectrometer. After method’s optimization, the proposed au

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Burgess, JoColl Alexis. "3D analysis of apical dendritic organization in the prefrontal cortex of young and old monkey." Thesis, 2018. https://hdl.handle.net/2144/31219.

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Its known that the age-related decline in cognitive facilities is not due to the loss of neurons but more subtle changes in specific areas of the brain. Structural and morphological changes in cellular alignment in the minicolumns correlate with increased prevalence of neurological diseases and in aging. In the rhesus monkey, cognitive decline is similar to what humans experience in aging. In the monkey prefrontal cortex, Brodmann area 46, an important region for executive functioning, cognitive decline correlates with changes in cellular alignment or “columnar strength” as studies by Cruz e

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Books on the topic "Minicolumn"

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service), SpringerLink (Online, ed. The Neurochemical Basis of Autism: From Molecules to Minicolumns. Springer-Verlag US, 2010.

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Casanova, Manuel F. Neocortical Modularity And The Cell Minicolumn. Nova Biomedical Books, 2005.

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Blatt, Gene J. Neurochemical Basis of Autism: From Molecules to Minicolumns. Springer, 2014.

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Book chapters on the topic "Minicolumn"

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Spocter, Muhammad A., Mary Ann Raghanti, Camilla Butti, Patrick R. Hof, and Chet C. Sherwood. "The Minicolumn in Comparative Context." In Recent Advances on the Modular Organization of the Cortex. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-9900-3_5.

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Song, Sanming, and Hongxun Yao. "Probe the Potts States in the Minicolumn Dynamics." In Advances in Neural Networks – ISNN 2011. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21105-8_3.

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Peters, Alan. "The Morphology of Minicolumns." In The Neurochemical Basis of Autism. Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-1272-5_4.

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Christensen, Steen S., Rodney M. J. Cotterill, and Claus Nielsen. "Activity Patterns in Cortical Minicolumns." In Theory and Applications of Neural Networks. Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1833-6_17.

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Casanova, Manuel F. "The Significance of Minicolumnar Size Variability in Autism." In Autism. Humana Press, 2008. http://dx.doi.org/10.1007/978-1-60327-489-0_16.

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Ayman, Reham, Nada Sharaf, Ghada Ahmed, and Slim Abdennadher. "MiniColon; Teaching Kids Computational Thinking Using an Interactive Serious Game." In Serious Games. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02762-9_9.

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Bevan, D. J., B. S. Carey, R. W. Vaughan, et al. "Anticipation of highly sensitised renal patients’ immunoadsorption requirements by prescreening using protein A minicolumns." In Transplant International. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-662-00818-8_6.

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Manger, Paul, Nina Patzke, Nadine Gravett, et al. "Unusual Cortical Lamination Patterns in the Sengis (Elephant Shrews) Do Not Appear to Influence the Presence of Cortical Minicolumns." In Recent Advances on the Modular Organization of the Cortex. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-9900-3_6.

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Buxhoeveden, Daniel P. "Minicolumn size and human cortex." In Evolution of the Primate Brain. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-444-53860-4.00010-6.

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Conference papers on the topic "Minicolumn"

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Grate, Jay W., Richard Ozanich, John S. Hartman, Matthew J. O'Hara, and Oleg B. Egorov. "Preconcentrating Minicolumn Sensors for Trace Environmental Monitoring." In 2007 IEEE Sensors. IEEE, 2007. http://dx.doi.org/10.1109/icsens.2007.4388663.

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Alexandre P. Pizzino, Carlos, Patricia A. Vargas, and Ramon R. Costa. "Long-Term Visual Robot Localization using Computational Models of the Neocortex." In Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1036.

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Visual place recognition is an essential capability for autonomous mobile robots which use cameras as their primary sensors. Although there has been a considerable amount of research in the topic, the high degree of image variability poses extra research challenges. Following advances in neuroscience, new biologically inspired models have been developed. Inspired by the human neocortex, hierarchical temporal memory model has potential to identify temporal sequences of spatial patterns using sparse distributed representations, which are known to have high representational capacity and high tole

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Strong, G. W. "Solving the tag assignment problem for neural networks with simulated assemblies of minicolumns." In 1990 IJCNN International Joint Conference on Neural Networks. IEEE, 1990. http://dx.doi.org/10.1109/ijcnn.1990.137889.

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Mugruza-Vassallo, Carlos, and Thiago Rivero. "The Role of the Size Maze and Learning Parameters in the Prefrontal Cortex Modeling Based in Minicolumns." In the 8th International Conference. ACM Press, 2018. http://dx.doi.org/10.1145/3268891.3268901.

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