SLOKA IYENGAR
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How does the brain process complex information

3/20/2023

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How does the brain process complex information? 

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In the last post, we saw the kinds of complexities we encounter in dance and science. Reading, analysis, critical thinking and contextualizing are just some of the skills I need when I teach genomics to graduate students at St. Joseph’s University and to educators at The American Museum of Natural History. Last year, for the first time I taught a course on the Diversity of Fishes at the Museum (image to the left), and I had to understand a vast amount of information in a short time, and be ready to explain it to learners. 

How does the brain keep track of so much complex information? In our day-to-day lives, many times, the information we are provided with is incomplete or uncertain, and yet, we find a way to make sense of it. The study of how we process complex information is, as you can imagine, complex! How can we study complexity when we don’t know what complexity entails? This paradox is one of the things that makes the scientific enterprise so rewarding.
 
There are a few ways that scientists use to understand how the brain makes sense of complexity, and one of the ways is by better understanding how we make decisions. When we are making decisions (even seemingly trivial ones such as what to eat for dinner), we are dealing with contextual uncertainty. In a recent study, scientists wanted to understand the brain structures that are involved in processing information in the light of uncertainty [1]. Their results suggested that this type of information processing is associated with activity in parts of the brain called the thalamus and the cortex [1]. Specifically, the authors looked at brainwaves and found that these signals moved from a more rhythmic pattern to one that was “noisy” when participants were presented with uncertain information. The hypothesis is that this “noise” may make our brains more ready to receive and make sense of the uncertainty presented to us [1]. There are several models developed to explain information processing in the brain that take into account sensation, perception, memory, and cognition [2].

Literature cited:
  1. Kosciessa JQ, Lindenberger U, Garrett DD. Thalamocortical excitability modulation guides human perception under uncertainty Nat Commun. 2021 Apr 23;12:2430.
  2. Information processing model: Understanding our mental mechanisms. Available at: https://able.ac/blog/information-processing-model/. Accessed February 21.

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    About Sloka 

    My name is Sloka.  I am a neuroscientist and Bharatanatyam dancer; you can find more about me here. 

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  • About me
    • Profile
    • Service
    • Invited talks and interviews
    • Continuing education
    • Upcoming Public Events
    • Publications
    • Contact me >
      • Ensuring effective collaborations
  • Science
    • Science consulting
    • Global health >
      • Capacity building in global health >
        • Capacity building through leadership
        • Disaster relief
      • Mental health
      • Aging and palliative care
      • Neurological disorders
    • Clinical science
    • Preclinical science
    • Science advocacy >
      • Advocacy activities
      • ABC newsletters
    • Patient communication and advocacy >
      • Patient communication and advocacy (articles)
    • Science education
    • Awards and professional recognition
  • Dance
    • Dance resume >
      • Pictures and videos
      • Community engagement
      • Arts Administration (Biblioteca Madre)
      • SamyuktaNYC
    • Vichaar >
      • Vichaar: Episode 1 transcript
      • Vichaar: Episode 2 transcript
      • Vichaar: testimonials
      • Saṃbhūya
      • The Artful Mind
      • Exploring Early Brain Development through Science and Dance
      • Guru Vandana
    • Bharatanatyam for creative aging >
      • Bharatanatyam for all
      • Bharatanatyam for all: testimonials
      • Bharatanatyam for all: instructional videos
      • For Seniors, By Seniors >
        • Seniors & Financial Decisions
        • Staying Fit As We Age
        • Signs Your Aging Parent Needs Help
        • Embrace the Empty Nest
        • Empty Nesters Seeking Proximity to Their Children
        • The Bumps of a Midlife Crisis
        • Healthy Living for Seniors
        • Forging a Resilient Future
        • Beyond Medicare and Social Security
        • Seniors Living Independently
        • A Harmonious Multigenerational Household
        • Mental Health Boosts
        • Start Your Home-Based Business After Retirement
        • Reclaiming Mental Wellness