4.4 • 717 Ratings
🗓️ 26 October 2016
⏱️ 11 minutes
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For hundreds of years, the localizationism theory of the brain reigned: the idea that the adult brain is composed of distinct regions, each responsible for a separate function. Most people still hew to this, assuming that vision goes here, memories there (with separate sections for short and long term memories), smell here, verbal fluency over here and quantitative processing over there. We assume the number of neurons is fixed and their wiring soldered.
But the emerging science of neuroplasticity shows how wrong this is: rather than fixed and immutable, the neural connections between different “regions” of the brain can reorganize themselves.
(This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)
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0:00.0 | The following Mark's Daily Apple article was written by Mark Sisson |
0:07.7 | and is narrated by Tina Lehman. |
0:16.8 | 16 ways to increase neuroplasticity, and why that's important. For hundreds of years, |
0:23.6 | the localizationism theory of the brain reigned. The idea that the adult brain is composed of |
0:29.6 | distinct regions, each responsible for a separate function. Most people still hew to this. |
0:36.6 | Assuming the vision goes here, memories there, with separate sections |
0:40.5 | for short and long-term memories, smell here, verbal fluency over here, and quantitative processing |
0:47.0 | over there. We assume the number of neurons is fixed, and they're wiring soldered, but the emerging |
0:53.3 | science of neuroplasticity shows how wrong |
0:56.1 | this is. Rather than fixed and immutable, the neural connections between different regions of the brain |
1:02.7 | can reorganize themselves. This is why someone with brain damaged to one part of the brain |
1:08.1 | can often recover. Neuroplasticity allows a healthy section |
1:12.4 | to assume the role of the damaged section. It's also how we learn, form memories, and develop new |
1:19.1 | skills. Neuroplasticity can refer to the strengthening or lessening of existing neuronal pathways, |
1:26.3 | synaptic plasticity, or the establishment of entirely |
1:30.3 | new neurons and connections, structural plasticity. Cool. So neuroplasticity exists. What's it good for, |
1:39.4 | and why should we care about preserving or enhancing it? Most neurodegenerative diseases are accompanied by a loss |
1:46.7 | of neuroplasticity, including Alzheimer's disease, Huntington's disease, and Parkinson's disease. |
1:53.6 | Schizophrenia may actually be a disorder of neuroplasticity. Loss of neuroplasticity even |
1:59.9 | characterizes mild cognitive impairment. |
2:02.9 | It may very well be the case that the aging brain is a less plastic brain. |
2:08.2 | If we can enhance neuroplasticity or hold back its degradation, perhaps we can mitigate |
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