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UID:20260629T160859EDT-9930br3JpN@132.216.98.100
DTSTAMP:20260629T200859Z
DESCRIPTION:A CRBLM Distinguished Lecture  Abstract:  The decoding of emoti
 on in vocal productions is an essential ability of non-human animals and h
 umans for survival and for social interactions. The brain processes underl
 ying this competency include several steps of information processing inclu
 ding the basic auditory decoding\, the organization of auditory stream to 
 perceive an auditory object\, and the attributions of emotional characteri
 stics of the vocal production perceived. The building up of an emotional a
 uditory object necessitates the interactions of different brain regions in
 volved in the decoding process including primary and secondary auditory re
 gions\, i.e. the voice area in humans\, amygdala\, frontal regions such as
  the inferior and orbito-frontal regions and basal ganglia. How these brai
 n regions interact together is a crucial question to resolve to have a bet
 ter understanding of emotional information processing in human brain. The 
 involvement of secondary auditory regions\, amygdala\, basal ganglia and f
 rontal regions\, as well as their interactions\, has been investigated usi
 ng functional magnetic resonance imaging (fMRI) and local field potentials
  (LFPs) recorded using macroelectrodes in human candidates to neurosurgery
  for intractable epilepsy or for Parkinson’s disease. FMRI analysis\, psyc
 hophysiological interactions and dynamic causal modeling revealed the conn
 ectivity between the different brain regions subserving emotional auditory
  information processing. The LFP results revealed complex patterns of the 
 neuronal dynamics through neuronal synchronization measures in low and hig
 h frequencies between amygdala and the medial part of OFC during the decod
 ing of emotional prosody. Recent studies investigating the brain mechanism
 s involved in the production of emotional prosody will be also discussed\,
  especially the involvement of the basal ganglia. I will also discuss the 
 links between emotional prosody and music. The convergence of the results 
 obtained in the decoding and production of emotional prosody using differe
 nt brain imaging and brain damaged patient studies increases our knowledge
  about emotions and theirs status in the human mind.      Bio:  Didier Gra
 ndjean is an associate professor in the Department of Psychology and Educa
 tional Sciences\, as well as a member of the Swiss Center for Affective Sc
 iences\, at the University of Geneva. He achieved his thesis in 2005 under
  the direction of Klaus Scherer about the dynamics of appraisal processes 
 using electroencephalographic methods. He has published more than 60 peer 
 review articles in international scientific journals in psychology and neu
 roscience about emotional processes related to emotional prosody perceptio
 n and production\, appraisal processes\, the emergence of feelings\, music
  and emotion\, olfaction and emotion\, and emotional facial expression per
 ception and production.  
DTSTART:20131119T200000Z
DTEND:20131119T210000Z
LOCATION:de Grandpré Communication Centre\, Montreal Neurological Institute
 \, CA\, QC\, Montreal\, H3A 2B4\, 3801 rue University
SUMMARY:Psychological and brain mechanisms of the production and the decodi
 ng of voice melodies
URL:/channels-contribute/channels/event/psychological-
 and-brain-mechanisms-production-and-decoding-voice-melodies-231574
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