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Robbert Dijkgraaf, Perimeter Institute for Theoretical Physics
March 5th, 2014
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Mathematics has proven to be "unreasonably effective" in understanding nature. The fundamental laws of physics can be captured in beautiful formulae. In this lecture I want to argue for the reverse effect: Nature is an important source of inspiration for mathematics, even of the purest kind. In recent years ideas from quantum field theory, elementary particles physics and string theory have completely transformed mathematics, leading to solutions of deep problems, suggesting new invariants in geometry and topology, and, perhaps most importantly, putting modern mathematical ideas in a `natural’ context.
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What if your brain at 77 were as plastic as it was at 7? What if you could learn Mandarin with the ease of a toddler or play Rachmaninoff without breaking a sweat? A growing understanding of neuroplasticity suggests these fantasies could one day become reality. Neuroplasticity may also be the key to solving diseases like Alzheimer’s, depression, and autism. In this program, leading neuroscientists discuss their most recent findings and both the tantalizing possibilities and pitfalls for our future cognitive selves.
PARTICIPANTS: Alvaro Pascual-Leone, Nim Tottenham, Carla Shatz
MODERATOR: Guy McKhann
MORE INFO ABOUT THE PROGRAM AND PARTICIPANTS: https://www.worldsciencefestiv....al.com/programs/nuts
This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.
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TOPICS:
- Opening film 00:00
- What is neuroplasticity? 03:53
- Participant introductions 04:21
- Structure of the brain 05:21
- Is the brain fundamentally unwired at the start? 07:02
- Why does the process of human brain development seem inefficient? 08:30
- Balancing stability and plasticity 10:43
- Critical periods of brain development 13:01
- Extended human childhood development compared to other animals 14:54
- Stability and. plasticity in the visual system 17:37
- Reopening the visual system 25:13
- Pros and cons of brain plasticity vs. stability 27:28
- Plasticity in the autistic brain 29:55
- What is Transcranial magnetic stimulation (TMS) 31:25
- Phases of emotional development 33:10
- Schizophrenia and plasticity 37:40
- Recovery from brain injury 40:24
- Modern rehabilitation techniques 47:21
- Holy grail of Neuroscience 50:12
- Enhancing memory performance as we age 53:37
- Regulating emotions 57:19
PROGRAM CREDITS:
- Produced by Nils Kongshaug
- Associate Produced by Christine Driscoll
- Opening film written / produced by Vin Liota
- Music provided by APM
- Additional images and footage provided by: Getty Images, Shutterstock, Videoblocks
This program was recorded live at the 2018 World Science Festival and has been edited and condensed for YouTube.
Knowing 'who eats who' has become a priority and a pleasure for Phineas Kibaka in Kenya. Growing ten crops at a time, his approach to crop protection is informed, gentle and successful.
This film, one of eleven, is being used to share good agricultural practice in Africa.
LEAF (http://www.leafuk.org), Waitrose, African fresh produce exporters and Green Shoots Productions (http://www.green-shoots.org) have been working with support of the UK Department for International Development's Food Retail Industry Challenge (FRICH) fund to share good agricultural practice between African farmers.
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Ding Dong - Wanna Party
Produced by: Richard Gosine of Golden Era Production
Written by: Emmanuel Rudder
Mixed and Mastered by: N.M.G. Music
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I've taking control over the things that matter to me. I control my land, water, energy, food and medicine. Let's talk power, once we lose our amnesia on who we are, where we are, what we must still be, and where we must still go, then we can become empower to be like our ancestors. But, we must learn our history told by us to know who our ancestors are.
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