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CATEGORIES:Psychology talks and events
SUMMARY:The role of the ventral pallidum and globus pallid
 us in motivation and outcome evaluation - Dr Marcu
 s Stephenson-Jones
DTSTART;TZID=Europe/London:20200515T160000
DTEND;TZID=Europe/London:20200515T173000
UID:TALK142315AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/142315
DESCRIPTION:The Zangwill Club continues online in these turbul
 ent times with the second talk of the Term via Zoo
 m. \n \nThis Friday 15th of May at 4 pm Greenwich 
 Time we will have the Second Zangwill Lockdown Tal
 k by  Dr Marcus Stephenson-Jones\n \n  Title:  "Th
 e role of the ventral pallidum and globus pallidus
  in motivation and outcome evaluation."  \n\n" The
  basal ganglia play a critical role in reinforceme
 nt learning but while a lot is known about the mec
 hanisms for learning\, comparatively little is kno
 wn about what is being learnt in these nuclei. To 
 address this our lab is interested in understandin
 g what different populations of basal ganglia outp
 ut nuclei encode and determining how they contribu
 te to behaviour. In this talk I will present our r
 ecent findings that characterized two output nucle
 i\, the ventral pallidum and the habenula-projecti
 ng globus pallidus. I’ll show that the activity of
  separate populations of neurons in the ventral pa
 llidum are correlated with incentive and aversive 
 salience and these populations drive motivated beh
 aviour. In contrast\, I’ll show neurons in the hab
 enula-projecting globus pallidus encode reward pre
 diction errors and are critical for evaluating act
 ion outcomes.   " \n \n*The Zangwill  Club will st
 art  at 4pm with an afternoon coffee or tea (virtu
 ally served) and split between 2 rooms\, the "Talk
  to Marcus Room" and the "social have a cuppa room
 ".  At 4.30pm we will start the Talk (one Hour) fo
 llowed by 20-30 minutes of questions as usual.*\n 
 \nMini Bio\, Dr Marcus Stephenson-Jones \n \nPhD w
 ith Sten Grillner at the Karolinska institute in S
 weden\, studied the evolution of the basal ganglia
 \n \nPostdoc with Bo Li at Cold Spring harbor\, in
 vestigated the role of the basal ganglia in motiva
 tion and evaluating action outcomes.\n \nGroup lea
 der at the Sainsbury Wellcome Centre\, studying re
 inforcement learning mechanisms in the basal gangl
 ia.\n \n------------------------------
LOCATION:virtually served - Zoom
CONTACT:Louise White
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