Subjective efficacy: integrating body and mind into a model of voluntary initiation of bodily movement

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Phase A: Analyzing self-controlled initiation of forward gait- Abductive performance: Together with A. Bertinetto, the notion of improvisation as an abductive performance has been developed. This notion provides a conceptual foundation for understanding self-controlled initiation of bodily movement.- Reconsidering the phenomenology of gait initiation, the concept of "performative intentionality" has been developed. Husserl stresses the importance of the objectual function of intentionality; i.e. consciousness is always based on objectually given (perceptual) contents. At the same time, Husserl developed an additional performatice concept of action consciousness. Drawing on experimental evidence from gait rehabilitation, the notion of action consciousness as creating its content through bodily performance has been developed. A related paper is currently under review.- The concept of "phenomenal biomechanics" has been presented at an international workshop of the Alexander von Humboldt Foundation.Phase B: Conceptual-experimental loop - initiation experimentTogether with co-researchers from engineering, an experiment for measuring the impact of self-controlled (conscious) initiation on the biomechanical implementation of gait has been prepared. This includes the ethical approval (IRB), the manufacturing and testing of devices for vibrotactile stimulation to deviate the consciousness of the subjects, and test measurements to define the data analysis.