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DTSTART:20170326T030000
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DTSTART:20171029T020000
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BEGIN:VEVENT
DTSTAMP:20260427T120031Z
UID:59ae9f8869c37626039873@ist.ac.at
DTSTART:20171012T110000
DTEND:20171012T120000
DESCRIPTION:Speaker: TOMÁS VEGA-ZUNIGA\nhosted by Maximilian Jösch\nAbstr
 act: The GLv is a prominent retinal target in all amniotes. In birds\, it 
 is also in receipt of tectal and hyperpallial (Wulst) projections. The eff
 erents follow a descending course through the hindbrain. Nevertheless\, th
 e whole connectivity is incomplete. Due to this and the lack of behavioral
  GLv-related experiments\, the role of this nucleus in vision remains uncl
 ear. In order to tackle this problem\, first we decided to unravel the ent
 ire connectivity of the GLv by means of intracellular filling and extracel
 lular tracings in the chicken and pigeon\, respectively. We characterized 
 the morphology and projection pattern of all major GLv cells. The tracing 
 data indicate that this nucleus is connected with telencephalic\, dienceph
 alic\, mesencephalic\, and metencephalic structures. Also\, we show single
  cell anatomy of structures that are closely related with the GLv such as 
 neurons from the optic tectum\, pretectum\, and the somatosensory ventrome
 dial thalamus. Using in situ hybridization assays we confirmed that the GL
 v has a strong GABAergic neurochemical identity. Finally\, we performed a 
 set of GLv-microstimulation experiments that show specific locus dependent
  head movements in the pigeon. In summary\, our results reveal that the GL
 v has a hub network organization that is connected with all main brain div
 isions. Furthermore\, we suggest that this complex circuitry may be the st
 ructural basis that enables the generation/modulation of gaze control.
LOCATION:Seminar Room\, Lab Building East\, ISTA
ORGANIZER:rsix@ist.ac.at
SUMMARY:TOMÁS VEGA-ZUNIGA: The enigmatic ventrolateral geniculate nucleus 
 (GLv): an operational hub involved in gaze control
URL:https://talks-calendar.ista.ac.at/events/817
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