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Understanding the effects of individual awareness on epidemic phenomena is important to comprehend the coevolving system dynamic, to improve forecasting, and to better evaluate the outcome of possible interventions. In previous models of epidemics on social networks, individual awareness has often been approximated as a generic personal trait that depends on social reinforcement, and used to introduce variability in state transition probabilities. A novelty of this work is to assume that individual awareness is a function of several contributing factors pooled together, different by nature and dynamics, and to study it for different epidemic categories. This way, our model still has awareness as the core attribute that may change state transition probabilities. Another contribution is to study positive and negative variations of awareness, in a contagion-behavior model. Imitation is the key mechanism that we model for manipulating awareness, under different network settings and assumptions, in particular regarding the degree of intentionality that individuals may exhibit in spreading an epidemic. Three epidemic categories are considered-disease, addiction, and rumor-to discuss different imitation mechanisms and degree of intentionality. We assume a population with a heterogeneous distribution of awareness and different response mechanisms to information gathered from the network. With simulations, we show the interplay between population and awareness factors producing a distribution of state transition probabilities and analyze how different network and epidemic configurations modify transmission patterns.
This article was published in the following journal.
Name: PloS one
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An individual's objective and insightful awareness of the feelings and behavior of another person. It should be distinguished from sympathy, which is usually nonobjective and noncritical. It includes caring, which is the demonstration of an awareness of and a concern for the good of others. (From Bioethics Thesaurus, 1992)
An increased focus or awareness of certain stimuli over others, which influence behavior.
A psychological state of awareness, the practices that promote this awareness, a mode of processing information and a character trait. As a therapy mindfulness is defined as a moment-to-moment awareness of one's experience without judgment and as a state and not a trait.
Psychoanalytic theory focusing on interpretation of behavior in reference to self. (From APA, Thesaurus of Psychological Terms, 1994) This elaboration of the psychoanalytic concepts of narcissism and the self, was developed by Heinz Kohut, and stresses the importance of the self-awareness of excessive needs for approval and self-gratification.
The process of reciprocal evolutionary change occurring between pairs of species or among groups of species as they interact.
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