559 research outputs found
Forner-Alcaide 5 and Forner-Alcaide 13: Two New Citrus Rootstocks Released in Spain
No full textThe search for new citrus rootstocks with better performance than those currently used is the major aim of the citrus industry in many countries. New diseases, the spread of known diseases, and citrus culture under different environmental conditions force the demand for new rootstocks. Carrizo citrange [Citrus sinensis (L.) Osb. x Poncirus trifoliata (L.) Raf.], the most used rootstock in Spain, frequently shows iron chlorosis and salinity problems. Other less common rootstocks, such as Cleopatra mandarin (C. reshniHort. ex Tan.), C. volkameriana Ten. & Pasq., Swingle citrumelo (C. paradisi Macf. x P. trifoliata), and C. macrophylla Wester, do not conveniently solve the problems. Forner-Alcaide 5 (F-A 5) and Forner-Alcaide 13 (F-A 13) are two interspecific hybrids obtained through traditional hybridization by the senior author in a program for breeding citrus rootstocks at the Instituto Valenciano de Investigaciones Agrarias (IVIA) in Moncada (Valencia), Spain. The goals of the breeding program were to obtain new rootstocks tolerant to CTV, salinity, and lime-induced chlorosis and resistant to Phytophthora sp. (Forner and Alcaide, 1993, 1994; Forner et al., 1997
Enea Silvio Piccolomini e le epistole del cardinalato. Alcune considerazioni
No full textNel dialogo epistolare si formavano, si consolidavano e trovavano fondamento le idee che muovevano tutto l’operato di Enea Silvio Piccolomini; la sua corrispondenza era anche una sorta di incubatrice di altre opere. Le lettere del cardinalato, nonostante l’importanza che l’autore attribuiva loro, non furono sistemate da Enea Silvio. Le raccolte manoscritte e a stampa delle quali disponiamo sono il frutto del lavoro ordinatorio dei parenti che agirono con lo scopo di tutelare la memoria del loro protettore. Una edizione critica della corrispondenza dovrebbe quindi unire alle missive che ci sono note tramite le raccolte quelle rimaste inedite in archivi e biblioteche.The letters of Piccolomini were the place in which the ideas, that moved all his activities, formed they self in the epistolary dialogue; Enea’s correspondence was also a kind of incubator for other works. The correspondence of the cardinalate, despite the importance that the author gave to that, was not edited by Enea Silvio self. The manuscript and printed collections at our disposal are the result of the work of the relatives who acted in order to protect the memory of their patron. A critical edition of the correspondence should therefore integrate the letters known through the collections with those that remained unpublished in archives and libraries
Avaliação de resíduos orgânicos para o manejo de fusariose em diferentes patossistemas.
No full textOs resíduos orgânicos e agentes de biocontrole podem constituir em alternativas no controle dos fitopatógenos habitantes do solo. O trabalho teve por objetivo estudar o controle de Fusarium spp. com resíduos orgânicos e agentes de biocontrole. Inicialmente foi avaliado o efeito de hidrolisado e emulsão de peixe, nas concentrações de 0, 10, 20, 30,40 e 50% do volume de água para atingir a capacidade de campo do solo; e de alga, casca de camarão, concha de marisco e caroço de abacate moídos, nas concentrações de 0, 1, 2, 3, 4 e 5% v/v, na germinação de microconídios de Fusarium oxysporum f. sp. lactucae, emcasa de vegetação. Enquanto a emulsão e o hidrolisado de peixe reduziram a germinação de microconídios do patógeno, os demais resíduos não apresentaram efeito. Também foi avaliado o efeito de resíduos de alga, concha de marisco, casca de caranguejo e repolho triturado fresco, nas concentrações de 0, 1, 2 e 4% v/v, sobre a germinação de microconídios de Fusarium circinatum em condições controladas, e associado ou não, a Trichoderma harzianum, no controle da fusariose (F. circinatum) em plantas de Pinus radiata mantidas em casa de vegetação. Nenhum resíduo reduziu a germinação de microconídios de F. circinatum ou a doença em casa de vegetação. No terceiro estudo foi avaliado o efeito de hidrolisado de peixe nas concentrações de 0, 5, 10, 15 e 20% do volume de água necessário para atingir a capacidade de campo, a partir do solo seco, associados ou não a T. harzianum (Iblf 006) e Bacillus subtilis + Bacillus licheniformis no controle de F. oxysporum f. sp. lycopersici (raça 3) em tomateiro, em casa de vegetação. O hidrolisado de peixe e os agentes de biocontrole não controlaram a doença.Tese (Doutorado em Proteção de Plantas) - Faculdade de Ciências Agronômicas, UNESP, Botucatu. Orientador: Wagner Bettiol (CNPMA)
Forner against Laviano: the Carta de Marcial in its context, the erudite answer to the Bad Poets of 1783
No full textEn este artículo se realiza una edición comentada de la Carta de M. V. Marcial a Don Manuel
Fermín de Laviano, sátira escrita por Juan Pablo Forner. En primer lugar, se sitúa el texto en el
desarrollo de la carrera dramática de Manuel Fermín de Laviano en el periodo 1779-1783 y las
celebraciones regias celebradas en agosto y septiembre de 1783. Después, se edita la Carta
tras el cotejo de los dos manuscritos en que se ha conservado. A continuación, se comenta
su contenido como fruto de la respuesta erudita de rechazo a las estrategias autoriales
adoptadas por Laviano para construir una imagen pública como escritor culto. Por último,
se destaca el lugar de esta Carta en la historia de las polémicas literarias españolas del
siglo XVIII, en las que la poética neoclásica establece un paradigma reglado y autorizado
que condiciona la escritura como acceso a los círculos literarios cultos.In this paper, we edit and comment the Carta de M. V. Marcial a Don Manuel Fermín de Laviano,
a satire written by Juan Pablo Forner. First, we read the text in its context: the development
of the theatrical career of Manuel Fermín de Laviano between 1779 and 1783 and the
regal celebrations of August and September 1783. Second, we edit the Carta, after we have
compared its two manuscript testimonies. Third, we comment this text as a result of an erudite
answer of rejection against the strategies of self-representation as an author made by
Laviano, in order to expose himself as a cultured writer. At last, we focus on the relevance of this Carta as a testimony of the Spanish literary controversies from XVIIIth century, which
are characterized by the neoclassical paradigm that rules over the writing process as an access
to the cultured literary circles
Author Profiling and Plagiarism Detection
No full textThe final publication is available at Springer via http://dx.doi.org/10.1007/978-3-319-25485-2_6In this chapter we introduce the topics that we will cover in the RuSSIR 2014 course on Author Profiling and Plagiarism Detection (APPD). Author profiling distinguishes between classes of authors studying how language is shared by classes of people. This task helps in identifying profiling aspects such as gender, age, native language, or even personality type. In case of the plagiarism detection task we are not interested in studying how language is shared. On the contrary, given a document we are interested in investigating if the writing style changes in order to unveil text inconsistencies, i.e., unexpected irregularities through the document such as changes in vocabulary, style and text complexity. In fact, when it is not possible to retrieve the source document(s) where plagiarism has been committed from, the intrinsic analysis of the suspicious document is the only way to find evidence of plagiarism. The difficulty in retrieving the source of plagiarism could be due to the fact that the documents are not available on the web or the plagiarised text fragments were obfuscated via paraphrasing or translation (in case the source document was in another language). In this overview, we also discuss the results of the shared tasks on author profiling (gender and age identification) and plagiarism detection that we help to organise at the PAN Lab on Uncovering Plagiarism, Authorship, and Social Software Misuse.The PAN shared tasks on author profil-ing and on plagiarism detection have been organised in the framework of the WIQ-EIIRSES project (Grant No. 269180) within the EC FP 7 Marie Curie People. The research work described in the paper was carried out in the framework of the DIANA-APPLICATIONS-Finding Hidden Knowledge in Texts: Applications (TIN2012-38603-C02-01) project, and the VLC/CAMPUS Microcluster on Multimodal Interaction inIntelligent Systems.Rosso, P. (2015). Author Profiling and Plagiarism Detection. En Information Retrieval. Springer. 229-250. https://doi.org/10.1007/978-3-319-25485-2_6S229250Argamon, S., Koppel, M., Fine, J., Shimoni, A.R.: Gender, genre, and writing style in formal written texts. TEXT 23, 321–346 (2003)Association of Teachers and Lecturers. School work plagued by plagiarism - ATL survey. Technical report, Association of Teachers and Lecturers, London, UK (2008). (Press release)Barrón-Cedeño, A.: On the mono- and cross-language detection of text re-use and plagiarism. Ph.D. thesis, Universitat Politènica de València (2012)Barrón-Cedeño, A., Rosso, P., Pinto, D., Juan, A.: On cross-lingual plagiarism analysis using a statistical model. In: Proceedings of the ECAI 2008 Workshop on Uncovering Plagiarism, Authorship and Social Software Misuse, PAN 2008 (2008)Barrón-Cedeño, A., Gupta, P., Rosso, P.: Methods for cross-language plagiarism detection. Knowl. Based Syst. 50, 11–17 (2013)Barrón-Cedeño, A., Vila, M., Martí, M., Rosso, P.: Plagiarism meets paraphrasing: insights for the next generation in automatic plagiarism detection. Comput. Linguist. 39(4), 917–947 (2013)Bogdanova, D., Rosso, P., Solorio, T.: Exploring high-level features for detecting cyberpedophilia. Comput. Speech Lang. 28(1), 108–120 (2014)Braschler, M., Harman, D.: Notebook papers of CLEF 2010 LABs and workshops. Padua, Italy (2010)Cappellato, L., Ferro, N., Halvey, M., Kraaij, W.: CLEF 2014 labs and workshops, notebook papers. In: CEUR Workshop Proceedings (CEUR-WS.org), ISSN 1613–0073 (2014). http://ceur-ws.org/Vol-1180/Comas, R., Sureda, J., Nava, C., Serrano, L.: Academic cyberplagiarism: a descriptive and comparative analysis of the prevalence amongst the undergraduate students at Tecmilenio University (Mexico) and Balearic Islands University (Spain). In: Proceedings of the International Conference on Education and New Learning Technologies (EDULEARN 2010), Barcelona (2010)Flesch, R.: A new readability yardstick. J. Appl. Psychol. 32(3), 221–233 (1948)Flores, E., Barrón-Cedeño, A., Rosso, P., Moreno, L.: Desocore: detecting source code re-use across programming languages. In: Proceedings of 12th International Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-2012, pp. 1–4, Montreal, Canada (2012)Flores, E., Barrón-Cedeño, A., Moreno, L., Rosso, P.: Uncovering source code re-use in large-scale programming environments. In: Computer Applications in Engineering and Education, Accepted (2014). doi: 10.1002/cae.21608Forner, P., Navigli, R., Tufis, D.: CLEF 2013 evaluation labs and workshop - working notes papers, 23–26 September. Valencia, Spain (2013)Franco-Salvador, M., Gupta, P., Rosso, P.: Cross-Language plagiarism detection using a multilingual semantic network. In: Braslavski, P., Kuznetsov, S.O., Kamps, J., Rüger, S., Agichtein, E., Segalovich, I., Yilmaz, E., Serdyukov, P. (eds.) ECIR 2013. LNCS, vol. 7814, pp. 710–713. Springer, Heidelberg (2013)Franco-Salvador, M., Gupta, P., Rosso, P.: Knowledge graphs as context models: improving the detection of cross-language plagiarism with paraphrasing. In: Ferro, N. (ed.) PROMISE Winter School 2013. LNCS, vol. 8173, pp. 227–236. Springer, Heidelberg (2014)Gollub, T., Stein, B., Burrows, S.: Ousting Ivory tower research: towards a web framework for providing experiments as a service. In: Hersh, B., Callan, J., Maarek, Y., Sanderson, M., (eds.) 35th International ACM Conference on Research and Development in Information Retrieval (SIGIR 2012), pp. 1125–1126. ACM, August 2012. ISBN 978-1-4503-1472-5. doi: 10.1145/2348283.2348501Gollub, T., Hagen, M., Michel, M., Stein, B.: From keywords to keyqueries: content descriptors for the web. In: Gurrin, C., Jones, G., Kelly, D., Kruschwitz, U., de Rijke, M., Sakai, T., Sheridan, P., (eds.) 36th International ACM Conference on Research and Development in Information Retrieval (SIGIR 2013), pp. 981–984. ACM (2013)Goswami, S., Sarkar, S., Rustagi, M.: Stylometric analysis of bloggers’ age and gender. In: Adar, E., Hurst, M., Finin, T., Glance, N.S., Nicolov, N., Tseng, B.L., (eds.) ICWSM. The AAAI Press (2009)Gressel, G., Hrudya, P., Surendran, K., Thara, S., Aravind, A., Prabaharan, P.: Ensemble Learning Approach for Author Profiling-Notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Grozea, C., Popescu, M.: ENCOPLOT - performance in the Second International Plagiarism Detection Challenge lab report for PAN at CLEF 2010. In: Braschler and Harman [8]Grozea, C., Gehl, C., Popescu, M.: ENCOPLOT: pairwise sequence matching in linear time applied to plagiarism detection. In: Stein et al., (ed.) Overview of the 1st International Competition on Plagiarism Detection, pp. 10–18 (2009)Gunning, R.: The Technique of Clear Writing. McGraw-Hill Int. Book Co, New York (1952)Gupta, P., Barrón-Cedeño, A., Rosso, P.: Cross-language high similarity search using a conceptual thesaurus. In: Catarci, T., Peñas, A., Santucci, G., Forner, P., Hiemstra, D. (eds.) CLEF 2012. LNCS, vol. 7488, pp. 67–75. Springer, Heidelberg (2012)Honore, A.: Some simple measures of richness of vocabulary. Assoc. Lit. Linguist. Comput. Bull. 7(2), 172–177 (1979)IEEE. A Plagiarism FAQ. http://www.ieee.org/publications_standards/publications/rights/plagiarism_FAQ.html (2008). Published: 2008; Last Accessed 25 November 2012Koppel, M., Argamon, S., Shimoni, A.R.: Automatically categorizing written texts by author gender. Lit. Linguist. Comput. 17(4), 401–412 (2002)Liau, Y., Vrizlynn, L.: Submission to the author profiling competition at pan-2014. In: Proceedings Recent Advances in Natural Language Processing III (2014). http://www.webis.de/research/events/pan-14Lopez-Monroy, A.P., Montes-Y-Gomez, M., Escalante, H.J., Villaseñor-Pineda, L., Villatoro-Tello, E.: INAOE’s participation at PAN 2013: author profiling task–notebook for PAN at CLEF 2013. In: Forner, et al. [14]Pastor López-Monroy, A., Montes y Gómez, M., Escalante, H.J., Villaseñor-Pineda, L.: Using Intra-profile information for author profiling-notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Maharjan, S., Shrestha, P., Solorio, T.: A simple approach to author profiling in MapReduce–notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Marquardt, J., Fanardi, G., Vasudevan, G., Moens, M.F., Davalos, S., Teredesai, A., De Cock, M.: Age and gender identification in social media-notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Martin, B.: Plagiarism: policy against cheating or policy for learning? Nexus (Newsl. Aust. Sociol. Assoc.) 16(2), 15–16 (2004)Mcnamee, P., Mayfield, J.: Character n-gram tokenization for european language text retrieval. Inf. Retr. 7(1), 73–97 (2004)Meina, M., Brodzinska, K., Celmer, B., Czokow, M., Patera, M., Pezacki, J., Wilk, M.: Ensemble-based classification for author profiling using various features-notebook for PAN at CLEF 2013. In: Forner, et al. [14]Eissen, S.M., Stein, B.: Intrinsic plagiarism detection. In: Tombros, A., Yavlinsky, A., Rüger, S.M., Tsikrika, T., Lalmas, M., MacFarlane, A. (eds.) ECIR 2006. LNCS, vol. 3936, pp. 565–569. Springer, Heidelberg (2006)Montes y Gómez, M., Gelbukh, A.F., López-López, A., Baeza-Yates, R.A.: Flexible comparison of conceptual graphs. In: Proceedings DEXA, pp. 102–111 (2001)Navigli, R., Ponzetto, S.P.: BabelNet: the automatic construction, evaluation and application of a wide-coverage multilingual semantic network. Artif. Intell. 193, 217–250 (2012)Nawab, R.M.A., Stevenson, M., Clough, P.: University of sheffield lab report for pan at clef 2010. In: Braschler and Harman [8]Nguyen, D., Gravel, R., Trieschnigg, D., Meder, T.: “how old do you think i am?”; a study of language and age in twitter. In: Proceedings of the Seventh International AAAI Conference on Weblogs and Social Media (2013)Oberreuter, G., Eiselt, A.: Submission to the 6th international competition on plagiarism detection, From Innovand.io, Chile (2014). http://www.webis.de/research/events/pan-14Och, F.J., Ney, H.: A systematic comparison of various statistical alignment models. Comput. Linguist. 29(1), 19–51 (2003)Palkovskii, Y., Belov, A.: Developing high-resolution universal multi-type N-Gram plagiarism detector-notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Pennebaker, J.W., Mehl, M.R., Niederhoffer, K.G.: Psychological aspects of natural language use: our words, our selves. Ann. Rev. Psychol. 54(1), 547–577 (2003)Potthast, M., Stein, B., Barrón-Cedeño, A., Rosso, P.: An evaluation framework for plagiarism detection. In: COLING 2010: Proceedings of the 23rd International Conference on Computational Linguistics, pp. 997–1005 (2010)Potthast, M., Stein, B., Anderka, M.: A wikipedia-based multilingual retrieval model. In: Plachouras, V., Macdonald, C., Ounis, I., White, R.W., Ruthven, I. (eds.) ECIR 2008. LNCS, vol. 4956, pp. 522–530. Springer, Heidelberg (2008)Potthast, M., Stein, B., Eiselt, A., Barrón-Cedeño, A., Rosso, P.:. Overview of the 1st international competition on plagiarism detection. In: Stein, B., Rosso, P., Stamatatos, E., Koppel, M., Agirre, E., (eds.) Proceedings of the SEPLN 2009 Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN 2009), pp. 1–9, 2009. CEUR-WS.org (September 2009). http://ceur-ws.org/Vol-502Potthast, M., Barrón-Cedeño, A., Eiselt, A., Stein, B., Rosso, P.: Overview of the 2nd International Competition on Plagiarism Detection. In: Braschler and Harman [8]Potthast, M., Barrón-Cedeño, A., Eiselt, A., Stein, B., Rosso, P.: Overview of the 2nd international competition on plagiarism detection. In: Braschler, M., Harman, D., Pianta, E., (eds.) Working Notes Papers of the CLEF 2010 Evaluation Labs (September 2010) 2010. http://www.clef-initiative.eu/publication/working-notesPotthast, M., Barrón-Cedeño, A., Stein, B., Rosso, P.: Cross-language plagiarism detection. Lang. Resour. Eval. 45(1), 45–62 (2011)Potthast, M., Eiselt, A., Barrón-Cedeño, A., Stein, B., Rosso, P.: Overview of the 3rd international competition on plagiarism detection. In: Petras, V., Forner, P., Clough, P., (eds.) Working Notes Papers of the CLEF 2011 Evaluation Labs (September 2011) (2011). http://www.clef-initiative.eu/publication/working-notesPotthast, M., Gollub, T., Hagen, M., Grabegger, J., Kiesel, J., Michel, M., Oberlander, A., Tippmann, M., Barrón-Cedeño, A., Gupta, P., Rosso, P., Stein, B.: Overview of the 4th international competition on plagiarism detection. In: Forner, P., Karlgren, J., Womser-Hacker, C., (eds.) Working Notes Papers of the CLEF 2012 Evaluation Labs (September 2012) (2012). http://www.clef-initiative.eu/publication/working-notesPotthast, M., Hagen, M., Stein, B., Grabegger, J., Michel, M., Tippmann, M., Welsch, C.: Chatnoir: a search engine for the clueweb09 corpus. In: Hersh, B., Callan, J., Maarek, Y., Sanderson, M., (eds.) 35th International ACM Conference on Research and Development in Information Retrieval (SIGIR 2012), p. 1004 (2012)Potthast, M., Gollub, T., Hagen, M., Tippmann, M., Kiesel, J., Rosso, P., Stamatatos, E., Stein, B.: Overview of the 5th international competition on plagiarism detection. In: Forner, et al. [14]Potthast, M., Hagen, M., Beyer, A., Busse, M., Tippmann, M., Rosso, P., Stein, B.: Overview of the 6th International Competition on Plagiarism Detection. In: Cappellato, et al. [9]Pouliquen, B., Steinberger, R., Ignat, C.: Automatic linking of similar texts across languages. In: Proceedings of Recent Advances in Natural Language Processing III, RANLP 2003, pp. 307–316 (2003)Prakash, A., Saha, S.: Experiments on document chunking and query formation for plagiarism source retrieval-notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Rangel, F., Rosso, P., Koppel, M., Stamatatos, E., Inches, G.: Overview of the author profiling task at PAN 2013–notebook for PAN at CLEF 2013. In: Forner, et al. [14]Rangel, F., Rosso, P., Chugur, I., Potthast, M., Trenkman, M., Stein, B., Verhoeven, B., Daelemans, W.: Overview of the 2nd author profiling task at PAN 2014–notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Sanchez-Perez, M., Sidorov, G., Gelbukh, A.: A winning approach to text alignment for text reuse detection at PAN 2014-notebook for PAN at CLEF 2014. In: Cappellato, et al. [9]Schler, J., Koppel, M., Argamon, S., Pennebaker, J.W.: Effects of age and gender on blogging. In: AAAI Spring Symposium: Computational Approaches to Analyzing Weblogs, pp. 199–205. AAAI (2006)Stamatatos, E.: Intrinsic plagiarism detection using character n-gram profiles. In: Stein, B., Rosso, P., Stamatatos, E., Koppel, M., Agirre, E., (eds.) 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Pla Director Urbanístic. Vies Blaves Barcelona
No full textConferència de Sebastià Jornet, Professor del Departament d'Urbanisme i Ordenació del Territori (DUOT ETSAB UPC). Presentació dela sessió a càrrec de Joan Moreno, Professor coordinador de l'assignatura Urban´sitica III T (DUOT ETSAB | UPC)
Pla Director Urbanístic. Vies Blaves Barcelona
No full textConferència de Sebastià Jornet, Professor del Departament d'Urbanisme i Ordenació del Territori (DUOT ETSAB UPC). Presentació dela sessió a càrrec de Joan Moreno, Professor coordinador de l'assignatura Urban´sitica III T (DUOT ETSAB | UPC)
Recent trends in digital text forensics and its evaluation
No full textThe final publication is available at Springer via http://dx.doi.org/10.1007/978-3-642-40802-1_28This paper outlines the concepts and achievements of our evaluation lab on digital text forensics, PAN 13, which called for original research and development on plagiarism detection, author identification, and author profiling. We present a standardized evaluation framework for each of the three tasks and discuss the evaluation results of the altogether 58 submitted contributions. For the first time, instead of accepting the output of software runs, we collected the softwares themselves and run them on a computer cluster at our site. As evaluation and experimentation platform we use TIRA, which is being developed at the Webis Group in Weimar. TIRA can handle large-scale software submissions by means of virtualization, sandboxed execution, tailored unit testing, and staged submission. In addition to the achieved evaluation results, a major achievement of our lab is that we now have the largest collection of state-of-the-art approaches with regard to the mentioned tasks for further analysis at our disposal.This work was partially supported by the WIQ-EI IRSES project (Grant No. 269180) within the FP7 Marie Curie action.Gollub, T.; Potthast, M.; Beyer, A.; Busse, M.; Rangel Pardo, FM.; Rosso, P.; Stamatatos, E.... (2013). Recent trends in digital text forensics and its evaluation. En Information Access Evaluation. Multilinguality, Multimodality, and Visualization. Springer Verlag (Germany). 282-302. https://doi.org/10.1007/978-3-642-40802-1_28S282302Aleman, Y., Loya, N., Vilarino Ayala, D., Pinto, D.: Two Methodologies Applied to the Author Profiling Task—Notebook for PAN at CLEF 2013. In: Forner, et al. (eds.) [15]Argamon, S., Juola, P.: Overview of the International Authorship Identification Competition at PAN-2011. 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No full textO ser humano passa praticamente um terço da sua vida dormindo sendo que o sono é influenciado por fatores sociais e ambientais. A vida moderna, devido a modernização e a globalização dos compromissos sociais obriga as pessoas a dormirem menos horas do que necessitam. O controle motor em tempo real é importante para a execução de tarefas diárias e depende de áreas no cérebro relacionadas a tarefas de alta demanda cognitiva como o córtex pré-frontal, tálamo e cerebelo, que são afetadas por distúrbios de sono. É bem elucidado que a privação de sono aguda afeta negativamente o controle postural, mas não existem estudos que investigam os efeitos da privação de sono em ajustes da marcha orientadas por um metrônomo. Adicionalmente, pouco se sabe como que a restrição de sono crônica afeta parâmetros posturais e da marcha, e não há estudos sobre as consequências em execução dessas tarefas sob a influência do jetlag social. Desta forma, o objetivo deste trabalho foi avaliar o impacto da restrição crônica de sono, caracterizada pelo jetlag social, no controle da postura e como que a restrição crônica e a privação aguda de sono afetam a sincronização da marcha orientada por um metrônomo. Foram realizados experimentos comparando parâmetros de sono e ritmo em ambientes rurais e urbanos e de questionários de qualidade de sono e sonolência com parâmetros de actimetria e dois experimentos motores avaliando o controle postural e ajustes em tempo real da marcha. Foi observado que indivíduos em contexto urbano têm um sono de menor duração e qualidade em registros realizados por actimetria. O jetlag social afeta negativamente o controle postural, principalmente em tarefas com maior demanda cognitiva. É possível identificar mudanças nos ajustes da marcha orientada pelo metrônomo em indivíduos com restrição e privação de sono aguda. Os indivíduos com privação aguda têm uma menor estabilidade no período da marcha e cometem erros de sincronização com o metrônomo, que pode ser indícios do comprometimento do controle de movimentos devido a privação de sono. Com base nos resultados, é possível propor em testes futuros, desenhos experimentais e intervenções que possibilitam a detecção de sonolência e distúrbios de sono de forma imediata através da utilização de testes motoresPeople spend almost a third of his life sleeping, which is influenced by social and environmental factors. Modern life, forces people to sleep less hours than they need. As a consequence of this sleep restriction, several health problems have arisen: cognitive problems, affecting learning processes, decreased attention, and increased reaction time. Real-time motor control is important for performing daily tasks and depends on areas in the brain related to high cognitive demand tasks such as the prefrontal cortex, thalamus and cerebellum. These CNS areas are the most affected by sleep disorders. It is well understood that acute sleep deprivation negatively affects postural control, but there are no studies that investigate the effects of sleep acute deprivation on gait adjustments guided by a sound metronome. Additionally, little is known about how the chronic sleep restriction, that can be characterized as social jetlag, affects postural and gait parameters. Thus, the objective of this study was: 1) to evaluate the impact of chronic sleep restriction, characterized by social jetlag, on posture control and 2) how chronic restriction and acute sleep deprivation affect the synchronization of gait guided by a metronome. Experiments were carried out, comparing sleep and rhythm parameters in rural and urban environments and sleep quality and daytime sleepiness with actimetry parameters, and two motor experiments evaluating postural control and real-time gait adjustments. It was observed that individuals in an urban cities have a shorter and quality sleep based on a parameter obtained by actimetry when compared with rural citizens. The social jetlag negatively affects postural control, especially in tasks with greater cognitive demand. It is possible to identify changes in metronome-oriented gait adjustments in individuals with acute sleep deprivation and restriction. Individuals with acute deprivation have less stability during the gait period and make synchronization errors with the metronome, which can be indicative of impaired movement control generated by sleep deprivation. Based on the results, it is possible to propose in future tests, experimental designs and interventions that make it possible to detect drowsiness and sleep disorders immediately through the use of motor test
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