[TNJC] Neuro Journal Club this week (28/3, 2pm, Friday)

[Ben Dongsung Huh]

Dear all, 

For this week's TNJC, Catherine Wacongne will present her work on predictive coding. 

Title: Predictive Coding in the auditory cortex, a joint modeling and imaging approach

Abstract:

The mismatch negativity (MMN) is thought to index the activation of specialized neural networks for active prediction and deviance detection in auditory cortex. However, a detailed neuronal model of the neurobiological mechanisms underlying the MMN is still lacking, and its computational foundations remain debated. We propose here a detailed neuronal model of auditory cortex, based on predictive coding, that accounts for the critical features of MMN. Among those feature we show that the MMN to expected tones that are omitted reflects pure predictive activity. We used a paradigm where sequences of tones presenting hierarchically organized regularities to test the hypothesis that a predictive coding scheme is reproduced at muliple hierarchical levels. 

Biography: I graduated from the Ecole Normale Supérieure in Paris in 2010 were I studied neurobiology, computational neuroscience and cognitive sciences. I am currently a PhD student under the supervision of Stanislas Dehaene and Jean Pierre Changeux at the CEA/INSERM Cognitive Neuroimaging Unit. I am interested in the different levels of regularity processing, ranging from automatic processing of statistical regularities to consciousness-dependant processing of rule-based regularities. I combine a modeling approach with neuroimaging data analysis to elucidate the neuronal basis and properties of these processes. 

See you then!

Next presenter list:

Vincent            4/4/2014
Kristin              4/11/2014

Peter L             4/18/2014

coming soon: Carsen, Gergo, Joana, Federico, Mehdi, Kyo

Ben Dongsung Huh
Gatsby Computational Neuroscience Unit