Quantum Consciousness and Neuroscience
Introduction
Quantum Consciousness
Quantum Consciousness Theory: This theory proposes that consciousness arises from quantum processes within neurons, particularly involving microtubules. Physicist Roger Penrose and anesthesiologist Stuart Hameroff are key proponents of this idea, suggesting that quantum computations in microtubules may be the source of consciousness.
In Recent Research: Professor Mike Wiest and his team at Wellesley College found that drugs binding to microtubules delayed the onset of unconsciousness under anesthesia. This supports the hypothesis that anesthetics act on microtubules, lending credibility to the quantum model of consciousness.
Modern neuroscience has shown that reality is more complex. Both hemispheres are involved in most cognitive tasks, and the brain works as a highly integrated system. The idea of being "left-brained" or "right-brained" is now considered an oversimplification.
So, there is no left and right brain where it was initially thought that creativity and logical talent are different work parts of brain, for brain function is a whole thing that works together on neurons sparks, logical and creative thinking is a whole set. The brain functions as a cohesive unit, with both hemispheres playing essential roles in various tasks.
The study of the nervous system dates back to ancient times, with early civilizations showing remarkable interest in understanding the brain and its functions. The evolution of neuroscience is a testament to humanity's enduring curiosity and relentless pursuit of knowledge.
Ancient Egypt The earliest records of the nervous system study trace back to ancient Egypt, where trepanation—drilling or scraping a hole into the skull—was practiced during the Neolithic period. Manuscripts from 1700 BC reveal that Egyptians had some understanding of brain damage symptoms. However, they regarded the brain as mere cranial stuffing, removing it during mummification. The heart was believed to be the seat of intelligence, a notion reflected in their meticulous embalming practices, as documented by Herodotus.
| Pic credit: Illustration from Gray's Anatomy (1918) of a lateral view of the human brain, featuring the hippocampus among other neuroanatomical features |
Greek Contributions The view that the heart was the centre of consciousness persisted until the Greek physician Hippocrates challenged it. He proposed that the brain was involved with sensation and intelligence, arguing that the brain's proximity to sensory organs indicated its importance. Plato speculated that the brain housed the rational part of the soul, while Aristotle believed the heart was the centre of intelligence, with the brain regulating its heat. This heart-centric view remained dominant until the Roman physician Galen, through his observations of brain-injured gladiators, affirmed that mental faculties resided in the brain.
Ancient Indian knowledge of neuroscience of Vedic Texts: dating back to around 3000-1000 BCE, contain early references to the study of consciousness. These texts, such as the Rigveda, Upanishads, and Brāhmanas, explore the nature of consciousness and its connection to the self.
Ātmavidyā: The Vedic texts claim to be the "science of self" or "consciousness science" (Ātmavidyā), focusing on understanding the nature of consciousness.Yoga and Tantra: These traditions delve into the structural aspects of consciousness and the mind-body connection. Texts like the Yogavasistha and Tripurarahasya describe the nature of consciousness and its relation to the self.
This Ancient Indian knowledge of neuroscience offers a unique and holistic approach to understanding the mind and consciousness, blending empirical observations with philosophical insights. In my personal opinion there are plenty of secrets to be revealed to the world based on ancient texts as such. But, Ancient text alone can not provide significant solutions for research-based cases, the modern technological world aids with brain scans and enhances understanding with deeper level 85% higher than ancients, although ancient texts have philosophical information which can decoded for behavioural psychology research and understanding.
| pic credit: Human nervous system - Neuroscience - Wikipedia |
The sense of the nervous system's is dynamic complexity is a formidable research challenge. Ultimately, neuroscientists would like to understand every aspect of the nervous system, including how it works, how it develops, how it malfunctions, and how it can be altered or repaired. Analysis of the nervous system is therefore performed at multiple levels, ranging from the molecular and cellular levels to the systems and cognitive levels. The specific topics that form the main focus of research change over time, driven by an ever-expanding base of knowledge and the availability of increasingly sophisticated technical methods. Improvements in technology have been the primary drivers of progress. Developments in electron microscopy, computer science, electronics, functional neuroimaging, and genetics and genomics have all been major drivers of progress.
| Blue pentagons – sodium ions; Purple squares – potassium ions; Yellow circles – chloride ions; Orange rectangles – membrane-impermeable anions (these arise from a variety of sources including proteins). The large purple structure with an arrow represents a transmembrane potassium channel and the direction of net potassium movement. Pic credit: https://en.wikipedia.org/wiki/Membrane_potential#Cell_excitability |
Membrane potential (also transmembrane potential or membrane voltage) is the difference in electric potential between the interior and the exterior of a biological cell. It equals the interior potential minus the exterior potential. This is the energy (i.e. work) per charge which is required to move a (very small) positive charge at constant velocity across the cell membrane from the exterior to the interior. (If the charge is allowed to change velocity, the change of kinetic energy and production of radiation must be taken into account.)
Typical values of membrane potential, normally given in units of milli volts and denoted as mV, range from –80 mV to –40 mV. For such typical negative membrane potentials, positive work is required to move a positive charge from the interior to the exterior. However, thermal kinetic energy allows ions to overcome the potential difference. For a selectively permeable membrane, this permits a net flow against the gradient. This is a kind of osmosis.
Neural Circuits and Systems
The relationship between consciousness and the soul is a topic that has been explored in both philosophical and scientific contexts. From a scientific standpoint, consciousness is often viewed as the result of neural processes within the brain. Researchers study how brain activity correlates with awareness, perception, and thought, seeking to understand the mechanisms that give rise to conscious experience.
Soul: In many religious and spiritual traditions, the soul is considered the essence of an individual, transcending physical existence and embodying the self, mind, or spirit.Consciousness and Soul: Some philosophical and spiritual viewpoints suggest that consciousness is an expression of the soul. In this view, the soul might be seen as the true self, with consciousness being the awareness or experience of this self.
Bridging the Gap
Mystical Traditions: Various mystical and esoteric traditions often blend these perspectives, viewing consciousness as a bridge between the material brain and the immaterial soul.
Modern Thought: Contemporary thinkers sometimes explore the idea that consciousness could have a deeper, possibly non-physical dimension, which might align with certain interpretations of the soul.
While science typically explains consciousness in terms of brain function, many philosophical and spiritual traditions hold that consciousness is closely linked to the soul. The true nature of consciousness remains one of the most profound mysteries, and whether it is equivalent to the soul is a question that continues to inspire debate and exploration across various fields.
In his view, the soul is an essential, eternal part of every living being, and understanding the nature of atoms and their interactions can lead to a deeper understanding of the soul and its relationship to the material world. This perspective aligns with the broader Hindu philosophy of seeking liberation (moksha) from the cycle of birth and death by realizing the true nature of the self (Atman). But on the other hand, his atomic theory predates similar ideas in Western science by thousands of years, highlighting the advanced nature of ancient Indian thought. Ref to my previous blog: https://scificyog.blogspot.com/2024/10/ancient-quantum-theory-maharishi-kanada.html
The question of what happens to the soul and consciousness after death has intrigued humanity for millennia. Different cultures, religions, and philosophies have provided varied interpretations and beliefs on this topic.
Hinduism and Buddhism:
Reincarnation: Both traditions believe in the cycle of rebirth. The soul (Atman in Hinduism, or the consciousness stream in Buddhism) is reborn into a new body based on karma (the accumulated actions of past lives).
Moksha/Nirvana: Liberation from the cycle of rebirth. Achieving enlightenment leads to a state of eternal peace and unity with the divine (Hinduism) or the cessation of suffering and individual consciousness (Buddhism).
Christianity, Islam, and Judaism:
Afterlife: These Abrahamic religions generally believe in an afterlife where the soul continues to exist. The soul is judged based on earthly deeds and is sent to heaven/paradise or hell.
Resurrection: In Christianity and Islam, there is a belief in bodily resurrection at the end of times, where the soul is reunited with a renewed body.
Secular and Scientific Perspectives:
Materialism: Some secular viewpoints hold that consciousness is a product of brain activity and ceases to exist when the brain dies. There is no continuation of consciousness after death.
Agnosticism: Some people remain uncertain about what happens after death, acknowledging that it remains one of life's greatest mysteries.
Near-Death Experiences (NDEs): Some people report experiences during moments of clinical death that suggest a continuation of consciousness. These accounts are varied and often include sensations of peace, seeing bright light, or encountering deceased loved ones.
Cultural Variations: Different cultures have their own unique interpretations of the afterlife. For example, ancient Egyptians believed in a detailed afterlife journey through the Duat to reach the eternal field of reeds.
The fate of the soul and consciousness after death is a profoundly complex and deeply personal subject. While science focuses on the physical aspects of death, spiritual and philosophical traditions provide a wide array of beliefs and explanations. Ultimately, what happens after death is a question that each individual may interpret based on their personal beliefs, faith, and experiences.
Scientific Perspective
Consciousness and Neuroscience: Modern science generally views consciousness as a product of neural activity rather than a separate particle. The brain's complex interactions give rise to conscious experience, but this view does not typically involve a soul as a particle.
Quantum Theories: Some speculative theories, such as those proposed by Roger Penrose and Stuart Hameroff, suggest that quantum processes in the brain could play a role in consciousness. However, these theories do not equate the soul with a particle but rather explore the potential quantum basis for conscious experience.
- AWARE Study: Conducted by the University of Southampton, this large-scale study involved 2060 patients from 15 hospitals in the UK, USA, and Austria. The study aimed to explore the mental experiences of patients who underwent cardiac arrest. Results suggested that some patients had experiences compatible with OBEs, and these experiences were not merely hallucinatory.
- Dr. Sam Parnia's Research: Dr. Sam Parnia, an associate professor at New York University's Grossman School of Medicine, has conducted extensive research on NDEs. His studies have shown that some people can recall their experiences during cardiac arrest, which often include sensations like seeing a light or feeling a sense of peace.
- Psychological Studies: Research has shown that many people report experiences of interacting with deceased loved ones, often finding these experiences therapeutic. These after-death communication experiences can occur outside of grief and are sometimes reported by individuals who have not recently lost someone close to them
- Consensus Statement: Researchers have published a consensus statement emphasizing that neither physiological nor cognitive processes end with death, and systematic studies have not been able to disprove the reality of these experiences.
The exploration of neuroscience, from its ancient origins to the cutting-edge research of today, underscores humanity's enduring quest to understand the brain and consciousness. Ancient civilizations, such as those in Egypt and Greece, laid the foundational stones of this journey. The shift from believing the heart as the centre of intelligence to recognizing the brain's crucial role marked significant progress in our understanding.
As modern neuroscience continues to advance, theories such as quantum consciousness and the debunking of the left-brain/right-brain myth further illustrate the complexity and interconnectedness of the brain. Quantum consciousness, with its intriguing proposal that consciousness may arise from quantum processes within microtubules, challenges traditional views and opens new avenues for research and understanding. Concurrently, the holistic approach to brain function dismisses the oversimplified idea of hemispheric dominance, emphasizing the integrated nature of neural processes.
Computational neuroscience stands at the forefront of this evolution, utilizing mathematical models and simulations to decipher the brain's intricate workings. This field not only enhances our understanding of neurological functions and disorders but also informs advancements in artificial intelligence and neurotechnology.
Overall, the journey through neuroscience is a testament to human ingenuity and curiosity. It bridges ancient wisdom with modern science, revealing the profound complexities of the brain and consciousness. As we continue to explore and uncover the mysteries of the mind, the potential for groundbreaking discoveries and innovations remains boundless.
12AM 11-11-24
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