The terms "quantum brain" and "non-quantum brain" are often used to describe two different perspectives regarding the potential role of quantum mechanics in understanding consciousness and brain function. However, it is important to note that the existence of a "quantum brain" is still a subject of scientific debate, and there is no definitive evidence supporting its existence.
Non-Quantum Brain: The non-quantum brain perspective assumes that classical physics and traditional biological mechanisms are sufficient to explain brain function and consciousness. According to this perspective, the brain's operations can be understood through classical neural networks and biochemical processes. In this view, quantum effects are considered negligible or irrelevant for explaining cognitive processes.
Quantum Brain: The quantum brain perspective suggests that quantum mechanics may play a significant role in brain function and consciousness. Proponents of this viewpoint propose that quantum processes, such as superposition and entanglement, could be involved in the brain's neural activities. They hypothesize that quantum phenomena could explain certain features of consciousness that classical explanations cannot account for, such as subjective experience and the unity of perception.
It is important to emphasize that the idea of a "quantum brain" is still speculative and lacks empirical evidence. While some researchers have explored the potential quantum nature of certain biological processes (e.g., photosynthesis or avian navigation), extending these findings to the complex workings of the human brain remains highly uncertain.
The study of quantum effects in biology and neuroscience is an active area of research. Scientists are investigating whether quantum phenomena could be present in certain biological systems and whether they have any relevance for brain function. However, as of now, the majority of brain and consciousness research continues to be based on classical physics and classical neural models.
In summary, the difference between a quantum brain and a non-quantum brain lies in the hypothesis of whether quantum mechanics plays a significant role in brain function and consciousness. The quantum brain perspective suggests that quantum effects are relevant, while the non-quantum brain perspective assumes classical physics and traditional biological mechanisms as sufficient explanations.