The natural history of consciousness, and the question of whether plants are conscious, in relation to the Hameroff-Penrose quantum-physical ‘Orch OR’ theory of universal consciousness

APaction potentialEEGelectroencephalographEPDelectrical potential differenceMAPmicrotubule-associated proteinMTmicrotubuleOrch ORorchestrated objective reductionWhether or not plants exhibit consci...