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SUMMARY:Neural mechanisms of resource allocation in working memory - Paul 
 Bays
DTSTART:20250627T130000Z
DTEND:20250627T140000Z
UID:TALK233869@talks.cam.ac.uk
CONTACT:Adam Triabhall
DESCRIPTION:This week we will discuss and debate a very recent paper by Li
  and colleagues (2025).\n\nAbstract: “To mitigate capacity limits of wor
 king memory\, people allocate resources according to an item’s relevance
 . However\, the neural mechanisms supporting such a critical operation rem
 ain unknown. Here\, we developed computational neuroimaging methods to dec
 ode and demix neural responses associated with multiple items in working m
 emory with different priorities. In striate and extrastriate cortex\, the 
 gain of neural responses tracked the priority of memoranda. We decoded hig
 her-priority memoranda with smaller error and lower uncertainty. Moreover\
 , these neural differences predicted behavioral differences in memory prio
 ritization between and within participants. Trial-wise variability in the 
 magnitude of delay activity in the frontal cortex predicted differences in
  decoded precision between low- and high-priority items in visual cortex. 
 These results support a model in which feedback signals broadcast from fro
 ntal cortex sculpt the gain of memory representations in the visual cortex
  according to behavioral relevance\, thus identifying a neural mechanism f
 or resource allocation” (Li et al.\, 2025).\n\nReference: Li\, H.-H.\, S
 prague\, T. C.\, Yoo\, A. H.\, Ma\, W. J.\, & Curtis\, C. E. (2025). Neura
 l mechanisms of resource allocation in working memory. Science Advances\, 
 11(15)\, eadr8015. https://doi.org/10.1126/sciadv.adr8015
LOCATION:https://cam-ac-uk.zoom.us/j/92612577704?pwd=MUtqMjVQdXNmUTVIYjRkM
 G1NUW9GZz09
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