Abstract
We present a general model of brain function (the calcium wave model), distinguishing three processing modes in the perception-action cycle. The model provides an interpretation of the data from experiments on semantic memory conducted by the authors.
Highlights
Brain information processing and the control of action can occur in three modes: automatic, unconscious, and conscious (Figure 1)
EXPERIMENTS Learning can be reinforced by means of two factors: repetition of stimulation and semantic relevance of the stimulus
We executed a series of cognitive experiments addressing the possible roles of stimulus repetition and semantic relevance in the formation of short-term declarative memory
Summary
Brain information processing and the control of action can occur in three modes: automatic, unconscious, and conscious (Figure 1). Dynamical information patterns are available in the environment of the conscious agent They are received and processed, and the products can be used to guide action in the same environment. The conscious mode requires, according to the model, the formation of an endogenous, positive or negative feedback that corresponds to current views of conjoint “bottom-up” and “top-down” activations, as in Adaptive Resonance Theory (Carpenter et al, 1992). The model relates such a “resonance” to reciprocal neuronal and astroglial network activations mediated by tripartite synapses in different intensities, corresponding to degrees of consciousness (Carrara-Augustenborg and Pereira, 2012)
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