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Tero Toivanen

» Brain Plasticity: How learning changes your brain   « Brain Fitness Revolut... - 0 views

www.sharpbrains.com/...ow-learning-changes-your-brain

brain neuroplasticity learning

shared by Tero Toivanen on 23 May 09 - Cached
  • A surprising consequence of neuroplasticity is that the brain activity associated with a given function can move to a different location as a consequence of normal experience, brain damage or recovery.
  • The brain compensates for damage by reorganizing and forming new connections between intact neurons. In order to reconnect, the neurons need to be stimulated through activity.
  • Research has shown that in fact the brain never stops changing through learning. Plasticity IS the capacity of the brain to change with learning. Changes associated with learning occur mostly at the level of the connections between neurons. New connections can form and the internal structure of the existing synapses can change.
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  • It looks like learning a second language is possible through functional changes in the brain: the left inferior parietal cortex is larger in bilingual brains than in monolingual brains.
  • Did you know that when you become an expert in a specific domain, the areas in your brain that deal with this type of skill will grow?
  • For instance, London taxi drivers have a larger hippocampus (in the posterior region) than London bus drivers (Maguire, Woollett, & Spiers, 2006)…. Why is that? It is because this region of the hippocampus is specialized in acquiring and using complex spatial information in order to navigate efficiently. Taxi drivers have to navigate around London whereas bus drivers follow a limited set of routes.
  • Plastic changes also occur in musicians brains compared to non-musicians.
  • They found that gray matter (cortex) volume was highest in professional musicians, intermediate in amateur musicians, and lowest in non-musicians in several brain areas involved in playing music: motor regions, anterior superior parietal areas and inferior temporal areas.
  • Medical students’ brains showed learning-induced changes in regions of the parietal cortex as well as in the posterior hippocampus. These regions of the brains are known to be involved in memory retrieval and learning.
  • Tero Toivanen on 23 May 09
     
    A surprising consequence of neuroplasticity is that the brain activity associated with a given function can move to a different location as a consequence of normal experience, brain damage or recovery.
Tero Toivanen

Brain Stimulant: Brain Chip to Restore Functioning from Damage - 1 views

brainstimulant.blogspot.com/...-restore-functioning-from.html

brain Brain Chip restore damage neuromorphic engineering neurons stroke

shared by Tero Toivanen on 10 Dec 09 - Cached
  • The ReNaChip project is developing electronic biomimetic technology that could serve to replace damaged or missing brain tissue. This is basically neuromorphic engineering that seeks to mimic how neurons function. In the future this may be useful for people who have had injuries due to stroke or other illnesses.
  • The objective of this project is to develop a full biohybrid rehabilitation and substitution methodology; replacing the aged cerebellar brain circuit with a biomimetic chip bidirectionally interfaced to the inputs and outputs of the system. Information processing will interface with the cerebellum to actuate a normal, real-time functional behavioural recovery, providing a proof-of-concept test for the functional rehabilitation of more complex neuronal systems.
  • A sophisticated exocortex could potentially allow a two way communication between the external apparatus and the mind. The contraption could essentially scale up the amount of neurons in your brain by an artificial means. Most likely it would be used to improved the disabled first, with other applications being more speculative possibilities.
  • Tero Toivanen on 10 Dec 09
     
    The ReNaChip project is developing electronic biomimetic technology that could serve to replace damaged or missing brain tissue. This is basically neuromorphic engineering that seeks to mimic how neurons function. In the future this may be useful for people who have had injuries due to stroke or other illnesses.
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