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Kurt Lewin's dynamical psychology revisited and revised

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Abstract

The aim of this article is to show that the framework of the dynamic psychology created by Kurt Lewin-although it is 70 years old-can be-mutatis mutandis - a very good basis for modern holistic theory of cognition and behavior. An essential new feature in that "neo-lewinian" theoretical framework - named here Discrete Process Model (DPM) - is the definition of psychic force: it is treated as the probability of a trial from a cognitive state to another. Thus, the strength of the force has an exact measure: that probability. The cognitive course of events is a stochastic process controlled by those probabilities. - Lewin's brilliant idea to assume certain valence fields which produce psychic forces is made mathematically more exact in DPM. - The model makes possible to derive estimates for the probability distributions of the behavior alternatives - differently from the Lewinian theory which is deterministic.

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... Geometric/dynamical ideas related to mental models may be found in many fields. Lewin's ideas inspired decision field theory (Busemeyer & Townsend, 1993) and Discrete Process Model (DPM) theory (Rainio, 2009). In DPM psychic forces are defined as the probability of transition from one cognitive state in valence field to another. ...
... I have formulated definition of mental forces (Duch, 1996; similar to the Discrete Process Model of Rainio (2009), pointing out that such forces should be measured by the probability of transitions between brain states in neurodynamics. We can measure brain activity using many techniques, such as EEG, MEG, NIRS, PET, fMRI and other approaches. ...
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Understanding mind-brain-environment relations is one of the key topics in psychology. Kurt Lewin, inspired by theoretical physics, tried to establish topological and vector psychology analyzing patterns of interaction between the individual and her/his environment. The time is ripe to reformulate his ambitious goals, searching for ways to interpret objectively measured brain processes in terms of suitable psychological constructs. Connecting cognitive and social psychology constructs to neurophenomics, as it is done now in psychiatry, should ground them in physical reality.
... Other theorists use terms to describe the space of emotion that are not immediately familiar to participants. These include the terms "valence" to describe the positive and negative aspects of emotional affect, and "arousal" to describe its intensity [3]. ...
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... The application of DQM which is used in this article is called a discrete process model (DPM). There are some publications which describe it in detail (see, for example, Rainio 2008 Rainio , 2009a Rainio , and 2009b). ...
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