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SUMMARY:Mapping multiplex hubs in human functional brain network
DTSTART:20160506T140000
DTEND:20160506T150000
DTSTAMP:20260407T045510Z
UID:3489294ce44853b6265114521e7956a4e45216df9652d891cd960dd9
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Manlio De Domenico\, Universitat Rovira i Virgili\, Tarrag
 ona\, Spain\nTypical brain networks consist of many peripheral regions and
  a few highly central ones\, i.e. hubs\, playing key functional roles in 
 cerebral inter-regional interactions. Studies have shown that networks\, o
 btained from the analysis of specific frequency components of brain activ
 ity\, present peculiar architectures with unique profiles of region centra
 lity. However\, the identification of hubs in networks built from differe
 nt frequency bands simultaneously is still a challenging problem\, remain
 ing largely unexplored.\nHere we identify each frequency component with on
 e layer of a multiplex network and face this challenge by exploiting the 
 recent advances in the analysis of multiplex topologies. First\, we show t
 hat each frequency band carries unique topological information\, fundamen
 tal to accurately model brain functional networks. We then demonstrate th
 at hubs in the multiplex network\, in general different from those ones ob
 tained after discarding or aggregating the measured signals as usual\, pr
 ovide a more accurate map of brain's most important functional regions\, 
 allowing to distinguish between healthy and schizophrenic populations bett
 er than conventional network approaches.http://arxiv.org/abs/1603.05897\nB
 io: I am a Research Fellow at the Dept. Enginyeria Informatica i Matematiq
 ues at the Universitat Rovira i Virgili\, Tarragona (Spain)\, where I join
 ed the Alephsys group of Prof. Alex Arenas to work within the PLEXMATH pro
 ject. You can find here my detailed CV.\nMy current activities deal with t
 he mathematical formulation of multiplex networks and the study of dynamic
 al processes on such graphs. I am interested in investigating hidden patte
 rns in complex real and virtual time-varying networks\, with particular at
 tention to social\, biological and economic data. Indeed\, I develop model
 s and simulations of the spreading of  epidemics and information in real-
 world social networks.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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