Scientists prove the brain does quantum
computing.
Incredible, something we suspected some time ago now
has scientific evidence. Irish scientists think they have shown that the human
brain works at the particle and quasiparticle level by using quantum phenomena.
Christian Kerskens and David Pérez of Trinity College
Dublin found inspiration in studies and equations in quantum gravity theory.
When studying quantum gravity, they embedded natural sensors in two diamonds,
known as "nitrogen vacancies," which are also used as qubits for
quantum computers.
A vacancy arises when a carbon atom in the diamond is
replaced by a nitrogen atom, which requires an extra electron. It is this
electron that works as a quantum sensor by being in a spin-up and spin-down
superposition. So instead of an extra electron, they used the same tools and
methods to study the human brain.
"For our experiments, we used 'brain water'
proton spins as the known system. "Brain water" naturally accumulates
as fluid in our brains and the spins of the protons [hydrogen nuclei] can be
measured using imaging by So, using a specific MRI design to look for entangled
spins, we discovered MRI signals that resemble the evoked potentials of the
heartbeat, a form of EEG [electroencephalography] signals," the researcher
details.
Electrophysiological potentials, such as the evoked
potentials of heartbeats, are not normally detectable with MRI, leading the two
physicists to believe that they could only observe them because the nuclear
proton spins in the brain were entangled.
"If entanglement is the only possible explanation
here, it would mean that brain processes must have interacted with the nuclear
spins, mediating the entanglement between the nuclear spins. As a result, we
can deduce that these brain functions must be quantum.
"As these brain functions have also been
correlated with short-term memory performance and consciousness, it is likely
that these quantum processes are an important part of our cognitive and
conscious brain functions," Kerskens said.
In addition to the Irish scientists, there is also the
American project "QuBrain" (Quantum Brain Project), led by Professor
Matthew Fisher, from the University of California at Santa Barbara, USA. The
project had an investment of millions.
Article: Experimental indications of non-classical
brain functions
Authors: Christian Matthias Kerskens, David López
Pérez
Magazine: Journal of Physics Communications
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