Actualité

Special iBrain's Conferences

  • Santé-Sciences-Technologie,
  • Santé-social,
Date(s)

le 26 juin 2019

From 9h
Lieu(x)
School of Medicine
Site Tonnellé
Amphi A

Open to everybody !

Program

9h00-10h30: Prof. Leon Chua - "Memristor: Remembrance of Things Past" à la Marcel Proust

Electrical Engineering and Computer Sciences Department, UC Berkeley

jfThis talk is aimed for students and researchers. It is based on a popular talk that I gave , entitled " Everything you wish to know about memristors , but are afraid to ask ". This talk will include some videos (with sound) to help demonstrate some fascinating memristive phenomena and applications. This talk will include some videos (with sound) to help demonstrate some fascinating memristive phenomena and applications. An introduction will be proposed for a general audience without any background or pre-requisite on memristors, to help enhance their understanding, and appreciation, of the unusual memristor concepts and its applications in many fields and disciplines.
Leon Chua Leon Chua is widely known for his invention of the Memristor and the Chua’s Circuit. His research has been recognized internationally through numerous major awards, including 17 honorary doctorates from major universities in Europe and Japan, and 7 USA patents. He was elected as Fellow of IEEE in 1974, a foreign member of the European Academy of Sciences (Academia Europea) in 1997, a foreign member of the Hungarian Academy of Sciences in 2007, and an honorary fellow of the Institute of Advanced Study at the Technical University of Munich, Germany in 2012. He was honored with many major prizes, including the Frederick Emmons Award in 1974, the IEEE Neural Networks Pioneer Award in 2000, the first IEEE Gustav Kirchhoff Award in 2005, the International Francqui Chair (Belgium) in 2006, the Guggenheim Fellow award in 2010, Leverhulme Professor Award (United Kingdom) during 2010-2011, and the EU Marie curie Fellow award, 2013. Prof. Chua is widely cited for the 12 hugely popular lectures he presented at the hp Chua Lecture Series, entitled “From Memristors and Cellular Nonlinear Networks to the Edge of Chaos”, during the fall of 2015, and now accessible through YouTube.

10h30-11h00: Pause café

11h00-12h00: Prof. Carles Escera - Subcortical auditory cognition: repetition suppression versus prediction error, and the role of the frequency-following response (FFR)

Institute of Neurosciences, University of Barcelona (Spain)
Brainlab – Cognitive Neuroscience Research Group. Department of Clinical Psychology and Psychobiology, University of Barcelona (Spain)
Institut de Recerca Sant Joan de Déu, Esplugues de Llobregat (Barcelona, Spain)

SFRMapping the statistics of our acoustic surroundings is at the essence of identifying auditory objects and in spotting unexpected (unpredicted!) events that may bring relevant, adaptive information, and furthermore, to build up a coherent mental image of our external environment. This basic auditory perceptual and attentional processes encompasse two tightly related but at the same time independent neural mechanisms: repetition suppression and generation of prediction errors. In auditory event-related potentials (ERPs) these two phenomena have been shown as: 1) increasingly attenuated responses to repeating auditory stimulation, and 2) enlarged responses to discrete sounds that do not match the predictions derived from the preceding incoming regularities (e.g., the mismatch negativity and the P3 family of ERPs). Using experimental designs involving roving standard and appropriate control sequences, we have demonstrated that these two mechanisms are a pervasive property of the entire auditory system, by showing similar phenomena in late cortical (MMN/P3a) and early cortical (MLR) evoked potentials, and recently by using the frequency-following response (FFR) to demonstrate that they are observable even at subcortical level, although with some particularities. Moreover, the use of these sequences in clinical populations may help to gain insight into the pathophysiology of mental and neurodevelopmental disorders, such our recent study that revealed that encoding of repetitive stimulation in autism spectrum disorder is defective and correlates with symptoms of sensory inundation, even at the subcortical auditory system.

Partenaires :
INSAIEEESFR
Contact :
Dr. Marie Gomot & Dr. Serge Dos Santos :