Yet the signaling between nerve cells is through chemicals, neurotransmitters, being released. The working of transistors in CPU's is also based on quatum effects, so, following the same reasoning, they could be conscious as well. And many processes in plants, photosyntesizes, are based on quatum effects, so, for that same reasoning, plants and trees could be conscious.

I think the use of quatum mechanics here, is like 'god(s)' was/were used in the past for explaining things we do not understand or seem magical.

Entangled biphoton generation in myelin sheath [0]

Zefei Liu, Yong-Cong Chen, Ping Ao

    Consciousness within the brain hinges on the synchronized activities of millions of neurons, but the mechanism responsible for orchestrating such synchronization remains elusive. In this study, we employ cavity quantum electrodynamics (cQED) to explore entangled biphoton generation through cascade emission in the vibration spectrum of C-H bonds within the lipid molecules' tails. The results indicate that the cylindrical cavity formed by a myelin sheath can facilitate spontaneous photon emission from the vibrational modes and generate a significant number of entangled photon pairs. The abundance of C-H bond vibration units in neurons can therefore serve as a source of quantum entanglement resources for the nervous system. The finding may offer insight into the brain's ability to leverage these resources for quantum information transfer, thereby elucidating a potential source for the synchronized activity of neurons. 

[0] https://arxiv.org/abs/2401.11682

> Additionally, the idea of quantum entanglement playing a role in consciousness isn’t a mainstream one

No one in this article guesses at what role it would play.