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  1. May 9, 2024The Google Research team developed advanced AI tools to construct an interactive 3D model of the brain tissue. The model underscores how complex the human brain is: describing just this small sample — one-millionth of the total human brain and about 3 mm long — requires more than a million Gigabytes of data: 1.4 Petabytes.
  2. news.feinberg.northwestern.edu

    TodayInvestigators have discovered that activity in two widely distributed brain networks previously considered separate are actually correlated with each other and together play a key role in recognition memory, according to Northwestern Medicine study published in Cell Reports.
  3. neurosciencenews.com

    Abstract. Neurons derived from different brain regions are inherently different in vitro: A novel multiregional brain-on-a-chip. Brain in vitro models are critically important to developing our understanding of basic nervous system cellular physiology, potential neurotoxic effects of chemicals, and specific cellular mechanisms of many disease states.
  4. journals.plos.org

    Author summary Models of fMRI activity can elucidate underlying dependencies that involve the combination of multiple brain regions. However, it remains unclear in which regions activity depends on unique integration of multiple predictor regions. To address this question, sparse (parsimonious) models could serve to better determine key interregional dependencies by reducing false positives ...
    Author:Etay Hay, Petra Ritter, Petra Ritter, Nancy J. Lobaugh, Nancy J. Lobaugh, Anthony R. McIntoshPublished:2017
  5. pmc.ncbi.nlm.nih.gov

    Interareal connections of macaque monkey cortex. (a) Relative weight of connection of one among all source areas to a target area is quantified by the fraction of labeled neurons (FLN).FLNs span five orders of magnitude and are fit by a lognormal distribution. (b) The FLN between a pair of cortical areas is an exponential function of their distance (red line), with the decay rate λ = 0.175 mm ...
  6. ncbi.nlm.nih.gov

    National Center for Biotechnology Information

    https://www.ncbi.nlm.nih.gov › pmc › articles › PMC7853322

    Most past studies of neural representations and dynamics have focused on recordings from single brain areas. However, growing evidence of brain-wide, parallel representations of cognitive variables suggests that analyzing neural representations and dynamics in individual brain areas can benefit from understanding the context of multi-regional interactions that support them.
  7. ncbi.nlm.nih.gov

    National Center for Biotechnology Information

    https://www.ncbi.nlm.nih.gov › pmc › articles › PMC8058233

    Multiregional communication to support behavior. Dual-task behavioral designs, widely used in studies of attention and executive control in humans [4,5], require subjects to perform tasks that depend on two concurrent behavioral processes with distinct goals [].Since dual-task paradigms involve defining how and when behavioral processes interact, such paradigms constrain potential mechanisms ...
  8. seas.harvard.edu

    Harvard University researchers have developed a multiregional brain-on-a-chip that models the connectivity between three distinct regions of the brain. The in vitro model was used to extensively characterize the differences between neurons from different regions of the brain and to mimic the system's connectivity.
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