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arXiv:0807.4547 · NeuroQuantology

On the Existence of Quantum Wave Function and Quantum Interference Effects in Mental States: An Experimental Confirmation During Perception and Cognition in Humans

Elio Conte, Andrei Yu. Khrennikov, Orlando Todarello, Antonio Federici, Joseph P. Zbilut

Published Mar 2, 2009• 35 citations
arXivHTMLPDF

Abstract

We introduce the quantum theoretical formulation to determine a posteriori, if existing, the quantum wave functions and to estimate the quantum interference effects of mental states. Such quantum features are actually found in the case of an experiment involving the perception and the cognition in humans. Also some specific psychological variables are introduced and it is obtained that they characterize in a stringent manner the quantum behaviour of mind during such performed experiment.

DOI
10.14704/nq.2009.7.2.225

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We introduce the quantum theoretical formulation to determine a posteriori, if existing, the quantum wave functions and to estimate the quantum interference effects of mental states. Such quantum features are actually found in the case of an experiment involving the perception and the cognition in humans. Also some specific psychological variables are introduced and it is obtained that they characterize in a stringent manner the quantum behaviour of mind during such performed experiment.
Processes undergoing quantum mechanics exhibit quantum interference effects. In this case, quantum probabilities result to be different from classical ones because they contain an additional so-called quantum interference term. We use ambiguous figures to analyse if during perception-cognition by human subjects we can observe violation of the classical probability field and the presence of quantum interference. The experiments, conducted on a group of 256 subjects, evidence that we indeed have such a quantum effect. Therefore, mental states, during perception and cognition of ambiguous figures, appear to follow quantum mechanics.
Starting with 2003 some authors performed a number of experiments with the finality to ascertain if quantum mechanics has a role during the perception and cognition in Humans. The arising quantum cognitive model was repeatedly confirmed. In the present paper we perform for the first time a similar experiment but executed this time on the single subject. The finality is to establish if also in these conditions we are able to estimate the quantum interference effects. Since the results of the experimentation are positive we conclude that we may start using the quantum cognitive model not only as basic theoretical framework for understanding cognition in humans but also to apply the new methodology in clinical cases of interest as in investigation of psychological disorders and psychiatric diseases.
The aim of such paper is to explain in detail the foundations of quantum cognition and to evidence the manner in which our pioneering experiments on quantum interference in humans should be correctly interpreted in the framework of a correct quantum mechanical elaboration. Often, studies on quantum cognition are elaborated from some authors evidencing that presently we have empirical evidence that the application of quantum rules gives better results respect to classical ones. Consequently, such studies are delineated as empirical tentative. It is not true. Quantum cognition is a scientific realization structured about robust quantum foundations and this is the reason because it gives such important results. Consequently, we discuss the evidence to correctly explain the foundations of this emerging discipline. In order to reach this objective we analyze the fundamental role of the abstract entity that is called quantum mechanical wave function. Soon after we describe the manner in which quantum operators must be entered in cognition studies by using the projectors that represent logic statements and thus relate directly our cognitive functions. We also discuss in detail the logical origins of quantum mechanics outlining that it does not represent a physical theory looking at the matter at microscopic level but a God Giano two faces looking simultaneously to material and to mental reality. We also discuss results establishing the nature of our consciousness and the unquestionable result that it obeys to the basic rules of quantum mechanics. We also give a further and pressing indication: in quantum cognition studies the quantum wave function must be intended as reconstructed experimentally a posteriori in our cognitive studies and cannot be confused with the standard examining elaboration that is used in usual textbooks of quantum mechanics. Also the question of the order effect is analyzed in detail using the important notion of reaction time of psychology. In substance, we give a total reformulation of the current quantum cognition studies evidencing that previous elaborations finalized to present the current status of this discipline as empirical tentative to characterize a quantum cognitive modelling result to be only approximate, incorrect and confusing prospects that damage the information about the robust structure of quantum cognition and therefore need to be rejected.
Neuroscience has realized valuable advances.As example, it has identified brain regions performing learning, memory, feeling and still more.The current tendency in neuroscience retains that adding pieces of knowledge day by day, we will finally arrive to an unified understanding of brain including the manner in which mind and consciousness arise and explain their functions.Also a number of empirical psychological results have been collected.However a profound gap remains between neuroscience advances and empirical psychological data .We retain that such existing gap is due to a missing theoretical model linking neuroscience to psychology .We have arrived to formulate a basic theoretical quantum model particularly of the perceptive -cognitive functions.The result is that quantum mechanics has a decisive role in human cognition.Our quantum model relates directly our mind entities.The model also finds the existing correlations between the brain time dynamics operating without direct awareness and the subsequent behaviour that is induced determining our subsequent behaviours.In the present paper we discuss in detail and for the first time such further basic features of the model.We perform one experiment on priming showing that its results agree with the given quantum mechanical basic model.