?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Possible+Roles+of+Neural+Electron+Spin+Networks+in+Memory+and+Consciousness&rft.creator=Hu%2C+Huping&rft.creator=Wu%2C+Maoxin&rft.subject=Biophysics&rft.description=Spin+is+the+origin+of+quantum+effects+in+both+Bohm+and+Hestenes+quantum+formulism+and+a+fundamental+quantum+process+associated+with+the+structure+of+space-time.+Thus%2C+we+have+recently+theorized+that+spin+is+the+mind-pixel+and+developed+a+qualitative+model+of+consciousness+based+on+nuclear+spins+inside+neural+membranes+and+proteins.+In+this+paper%2C+we+explore+the+possibility+of+unpaired+electron+spins+being+the+mind-pixels.+Besides+free+O2+and+NO%2C+the+main+sources+of+unpaired+electron+spins+in+neural+membranes+and+proteins+are+transition+metal+ions+and+O2+and+NO+bound%2Fabsorbed+to+large+molecules%2C+free+radicals+produced+through+biochemical+reactions+and+excited+molecular+triplet+states+induced+by+fluctuating+internal+magnetic+fields.+We+show+that+unpaired+electron+spin+networks+inside+neural+membranes+and+proteins+are+modulated+by+action+potentials+through+exchange+and+dipolar+coupling+tensors+and+spin-orbital+coupling+and+g-factor+tensors+and+perturbed+by+microscopically+strong+and+fluctuating+internal+magnetic+fields+produced+largely+by+diffusing+O2.+We+argue+that+these+spin+networks+could+be+involved+in+brain+functions+since+said+modulation+inputs+information+carried+by+the+neural+spike+trains+into+them%2C+said+perturbation+activates+various+dynamics+within+them+and+the+combination+of+the+two+likely+produce+stochastic+resonance+thus+synchronizing+said+dynamics+to+the+neural+firings.+Although+quantum+coherence+is+desirable%2C+it+is+not+required+for+these+spin+networks+to+serve+as+the+microscopic+components+for+the+classical+neural+networks.+On+the+quantum+aspect%2C+we+speculate+that+human+brain+works+as+follows+with+unpaired+electron+spins+being+the+mind-pixels%3A+Through+action+potential+modulated+electron+spin+interactions+and+fluctuating+internal+magnetic+field+driven+activations%2C+the+neural+electron+spin+networks+inside+neural+membranes+and+proteins+form+various+entangled+quantum+states+some+of+which+survive+decoherence+through+quantum+Zeno+effects+or+in+decoherence-free+subspaces+and+then+collapse+contextually+via+irreversible+and+non-computable+means+producing+consciousness+and%2C+in+turn%2C+the+collective+spin+dynamics+associated+with+said+collapses+have+effects+through+spin+chemistry+on+classical+neural+activities+thus+influencing+the+neural+networks+of+the+brain.+Thus%2C+according+to+this+alternative+model%2C+the+unpaired+electron+spin+networks+are+the+%E2%80%9Cmind-screen%2C%E2%80%9D+the+neural+membranes+and+proteins+are+the+mind-screen+and+memory+matrices%2C+and+diffusing+O2+and+NO+are+pixel-activating+agents.+Together%2C+they+form+the+neural+substrates+of+consciousness.&rft.date=2004-04&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3544%2F1%2FElectronSpinMind.pdf&rft.identifier=++Hu%2C+Huping+and+Wu%2C+Maoxin++(2004)+Possible+Roles+of+Neural+Electron+Spin+Networks+in+Memory+and+Consciousness.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F3544%2F