Ontology Droplet: Neurons and single unit recordings Sidarta - - PowerPoint PPT Presentation

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Ontology Droplet: Neurons and single unit recordings Sidarta - - PowerPoint PPT Presentation

Nov 19, 2022 181 likes •542 views

First NeuroMat Meeting January 20 th ,2014 Ontology Droplet: Neurons and single unit recordings Sidarta Ribeiro Universidade Federal do Rio Grande do Norte Sir Charles Sherrington (1857-1952) Intracellular Extracellular Extracellular

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Sidarta Ribeiro Universidade Federal do Rio Grande do Norte

Ontology Droplet: Neurons and single unit recordings

First NeuroMat Meeting January 20th,2014

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Sir Charles Sherrington (1857-1952)

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Extracellular Intracellular

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Low impedance (<1MOhm) blunt electrodes and the probable role of gliosis in the “maturation” of chronic implants of microwire arrays.

Extracellular recordings with multielectrode arrays

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State of the art: movable tetrodes

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Torsten Wiesel (1924-) David Hubel (1926-2013)

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Jenkins & Dallenbach (1924) Am. J. of Psychol. 35:605-612

Sleep favors memory consolidation

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Wilson and McNaughton (1994) Science 254:676-679 Pavlides and Winson (1989) J. Neurosci. 9: 2907-2918

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Dave & Margoliash (2000) Science 290:812-816

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Dave & Margoliash (2000) Science 290:812-816

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Dave & Margoliash (2000) Science 290:812-816

Canto

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Dave & Margoliash (2000) Science 290:812-816

Sono Canto

Dave AS, Margoliash D. Song replay during sleep and computational rules for sensorimotor vocal learning. Science 290: 812–816, 2000.

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Chronic extracellular recordings with multielectrode arrays

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Pós-Exposição Pre-Exposição Exposição

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Ribeiro et al. (2007) Frontiers in Neuroscience 1(1) 43-55

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Louie & Wilson (2001) Neuron 29:145-56

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Ribeiro et al. (2004) PLoS Biology 2: 126-137

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Nivaldo Vasconcelos, Ph.D. Champalimaud Institute

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NB: Naive Bayes classifier RBF: radial basis functions SVM: support vector machines ANN: artificial neural network (multilayer perceptron) DT: decision tree Vasconcelos, N. ; Pantoja, J. ; Belchior, H. ; Caixeta, F. V. ; Faber, J. ; Freire, M. A. M. ; Cota, V. R. ; de Macedo, E.A.; Laplagne, D. A. ; Gomes, H. M. ; Ribeiro, S. (2011) Cross-modal responses in the primary visual cortex encode complex objects and correlate with tactile discrimination. PNAS 108: 15408-15413.

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Hebb proposed that new memories are encoded by sequences of distributed neuronal assemblies that emerge during novel experience through firing synchronization.

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Vitor Lopes-dos-Santos Ph.D. student

Lopes-dos-Santos, V; Conde-Ocazionez, S; Nicolelis, MAL; Ribeiro, S; Tort, ABL (2011) Neuronal Assembly Detection and Cell Membership Specification by Principal Component Analysis. Plos One 6: e20996.

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Lopes-Dos-Santos V, Ribeiro S, Tort AB (2013) Detecting cell assemblies in large neuronal populations. J Neurosci Methods 220(2):149-66

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Almeida-Filho DG, Lopes-dos-Santos V, Vasconcelos NAP, Miranda JGV, Tort ABL and Ribeiro S (submitted to Frontiers in Neural Circuits) An investigation of Hebbian phase sequences as assembly graphs.

Daniel Almeida-Filho, Ph.D. student

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