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What is pain?
The Generation Of Pain In The Brain
Pain signal activates many regions of the brain like the brainstem, thalamus and multiple cortex areas. The brain surprisingly can suppress, amplify, reappraise and attenuate the incoming pain signal, coating it with emotions to turn up the volume.
The brain can talk to the spinal cord and suppress pain, like a brake, at least temporarily. This system is called a descending pain modulatory system, and results in a sort of placebo effect.
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Key Ideas
About Consciousness
Consciousness is everything you experience - taste, pain, love, feeling. Where these experiences come from is a mystery.
Many modern analytic philosophers of mind either deny the existence of consciousness, or they argue that they can never be meaningfully studied by science.
Searching For Physical Footprints
What is it about brain matter that gives rise to consciousness? In particular, the neuronal correlates of consciousness (NCC) - the minimal neuronal mechanisms jointly sufficient for any conscious experience.
Consider this question: What must happen in your brain for you to experience a toothache?
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.
- The spinal cord and the cerebellum are not enough to create consciousness. Available evidence suggests neocortical tissue in generating feelings.
- 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.
- It appears that almost all conscious experiences have their origin in the posterior cortex. But it does not explain the crucial difference between the posterior regions and much of the prefrontal cortex, which does not directly contribute to subjective content.
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Brain, Body And Consciousness
Consciousness emerges from brain function, and we often experience consciousness to be located in the brain, but bodily feedback clearly contributes to a wide variety of subjective feelings. Brain and body jointly generate our inner mental world from various inputs.
Pain And Evolution Of Consciousness
Emotion-related inputs from the body to the brain could have generated the first traces of consciousness in our early ancestors. Being able to feel pain gives a survival advantage to animals, as they could have withdrawn from dangers and rested to promote recovery when injured or ill.
The development of awareness of body-related harms might have ultimately paved the road for the emergence of more advanced forms of conscious thought and processes, such as language, thinking, and reasoning.
Emotional Expression And The Evolution Of Consciousness
Our bodies signal our internal states to us, but it also often externalizes them too. And being able to track others’ inner states and goals might be one of the more advantageous capabilities.
Humans and many animals are adept at reading each other’s intentions, feelings, and goals from their behavior such as facial and bodily expressions. This promotes social cohesion by exchanging emotions and other mental states and presents evolutionary advantages a purely private consciousness wouldn’t have.
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The Importance Of Breathing Techniques
- Many different civilizations have practiced different breathing techniques as a part of their culture and their lifestyles, such as Taoists and Hindus.
- Proper breathing allows the bodily functions, mental health, and overall well-being to perform better. It is the focal point to distract the self's attention from negative thoughts.
- Breathing is the lowest common denominator in calming the body and the mind.
The Special Power Of Breathing
- The power of breathing is evident with people who have breathing disorders. As emotions affect our well-being, so does our breathing.
- Our parasympathetic and sympathetic nervous systems are in control of producing feelings of calmness and the latter, the body's rapid involuntary response to stressful situations.
- Many studies have confirmed the effects of breathing techniques against anxiety, stress, and insomnia. Although they do not disappear entirely, it helps alleviate their symptoms.
Cardiac Coherence
- It is a popular technique that promotes relaxation by coordinating our breathing, slowly and steadily, with our heart rate, stabilizing the heartbeat.
- There are many versions to cardiac coherence: 5-second inhale-exhale for a 5-minute repetition or 4-second inhale 6-second exhale cycle.
- Cardiac coherence’s stabilization of the heartbeat can dampen anxiety powerfully.