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This Is Your Brain on Exercise

https://www.outsideonline.com/2186146/your-brain-exercise

outsideonline.com

This Is Your Brain on Exercise
Human beings evolved to move. Our bodies, including our brains, were fine-tuned for endurance activities over millennia of stalking and chasing down prey. "We've engineered that out of our lives now," says Charles Hillman, a psychology professor at Northeastern University who has spent decades studying the link between exercise and cognition.

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Exercise Benefits The Brain

Any kind of exercise, be it aerobic, walking or Yoga, changes the brain's composition, structure and the way it operates. The changes that happen to the brain:

  • Brain waves increase
  • Increased sensitivity to surroundings
  • The building of neurotransmitters and increased neuro-connections
  • De-ageing.

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Brain Waves increasing

Brain Waves increasing

The brain's electric impulses change, and the Beta waves increase during and after exercise, putting it in a better, more alert state.

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More Sensitive To The World

More Sensitive To The World

Exercise makes our senses sharper and clearer, and we are more perceptive and have better sensitivity to our surroundings.

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Neuron Magic

Neuron Magic

After exercise, the brain actually builds neurotransmitters, which are essential to its functioning, and optimal operation.

It also forms more neuron connections, helping us think and work better.

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The Brain is Young again

The Brain is Young again

The structural changes in the brain after exercise make it more agile, young and energetic. This is because, after regular exercise, it starts to promote the body's growth cells, providing us with essential nutrients.

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Neuronal Correlates of Consciousness (NCC)

The whole brain can be considered an NCC because it generates experience continually.

  • When parts of the cerebellum, the "little brain" underneath the back of the brain, are lost to a stroke or otherwise, patients may lose the ability to play the piano, for example.  But they never lose any aspect of their consciousness. This is because the cerebellum is almost wholly a feed-forward circuit. There are no complex feedback loops.
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  • The next stages of processing are the broad set of cortical regions, collectively known as the posterior hot zone, that gives rise to conscious perception. In clinical sources of causal evidence, stimulating the posterior hot zone can trigger a diversity of distinct sensations and feelings.
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The olfactory sense at work

The olfactory sense at work

Our sense of smell works in wondrous ways since the chemical composition of our surrounding change instantly and constantly. Our noses pick up volatile airborne compounds that interact with...

Facts about our olfactory sense

  • It is different from other sensory cortices in a way that it has a multidimensional stimulus.
  • Some things can smell different not just between different people but also for the same person.
  • Can measure an array of an uncertain variety of chemicals that can trace changes that detects pleasure, pain, or danger.
  • It does not require a map mirroring because its chemical stimulus is constantly changing. It relies on the brain to recognize the pattern or memory associated with the smell.

Contributors to the study of the olfactory sense

  • Santiago Ramón y Cajal: A founding father of neuroscience, he drew attention to the sense of smell as an exemplary model to learn how the brain makes sense of the world. He also believed that understanding smell would grant us better insight into other sensory systems
  • Linda Buck & Richard Axel: They discovered the olfactory receptors which happened to be the most structurally diverse and sizable member of the largest multi-gene family of protein receptors. They received the 2004 Nobel Prize in Physiology or Medicine.