User:Mahtabat/sandbox

• Comment: Seriously unfinished as well as lacking references 🇺🇦 Fiddle^Timtrent Faddle^Talk to me 🇺🇦 13:22, 29 September 2024 (UTC)

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Quantum Process in Human Brain

In quantum mechanics, a quantum process typically refers to the time evolution of an open quantum system. While the term is somewhat ambiguous, it's often described using the quantum operation formalism, also known as a quantum dynamical map. Not all quantum processes can be explained by standard models. In theory, the state of a quantum system can change in any way over time. Similarly, the human brain, which may have some quantum aspects, doesn't always follow simple rules and might change in complex and unpredictable ways, allowing for more flexible thinking and behavior.

Quantum process in the human brain refer to hypothesized quantum mechanical effects that may play a role in brain function and consciousness. While the brain is generally considered to operate according to classical physics, some researchers have proposed that quantum phenomena could help explain certain aspects of cognition and consciousness that are difficult to account for with classical models alone.

Background

The concept of quantum processes in the brain emerged in the late 20th century, bridging quantum mechanics and neuroscience. While classical neuroscience views brain function as primarily governed by Electrochemistray processes, some researchers propose that quantum mechanical effects—such as superposition, entanglement, and coherence—may play a role in cognition and consciousness.

Mathematical framework

The Orch OR theory proposes that consciousness arises from quantum computations in microtubules. The time until orchestrated reduction occurs is given by the equation: τ=ℏ/E Where:

• τ is the coherence time
• ℏ is the reduced Planck constant
• E is the gravitational self-energy of the superposed mass

Another relevant formula in quantum brain theories is the quantum superposition principle, represented as: ∣ψ⟩=α∣0⟩+β∣1⟩ Where:

• |ψ⟩ represents the quantum state
• α and β are complex numbers

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  Georgiev D. Remarks on the number of tubulin dimers per neuron and implications for Hameroff-Penrose Orch OR. NeuroQuantology 2009; 7 (4): 677-679. http://doi.org/10.14704/nq.2009.7.4.261

  |0⟩ and |1⟩ are basis states.

Criticism and debate

The role of quantum processes in the brain remains highly controversial. Critics argue that the warm, wet environment of the brain would cause rapid decoherence, preventing quantum effects from playing a significant role in neural processing. Most neuroscientists continue to favor classical explanations for brain function and consciousness.