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Fig. 1 | Environmental Health

Fig. 1

From: Causal perception is central in electromagnetic hypersensitivity - a commentary on “Electromagnetic hypersensitivity: a critical review of explanatory hypotheses’’

Fig. 1

A simplified illustration of a perception-as-inference approach to idiopathic environmental intolerance (IEI). Symptoms of IEI are hypothesized to result from somatic symptom experiences (stage 1) that become associated with environmental stimuli (stage 2). Once symptom-stimuli associations have been formed (e.g., via classical conditioning, social modelling), the perception of environmental stimuli is able to foster the formation of strong and precise priors that are able to determine conscious symptom perceptions in the posterior model. IEI-symptom experiences reinforce IEI related beliefs in memory (feedback route) and shape the priors of the symptom-perception model for upcoming symptom perception episodes (feedforward route)

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