A Neural Field Model of Word Repetition Effects in Early Time-Course ERPs in Spoken Word Perception


Previous attempts at modeling the neuro-cognitive mechanisms underlying word processing have used connectionist approaches, but none has modeled spoken word architectures as the input is presented in real-time. Hence, such models rely on the ingenuity of the modeler to establish a mapping of real-time stimulus to the model’s input which may not preserve processing that happens during each time step. We present a neural field model which successfully replicates the effect of immediate auditory repetition of monosyllabic words and fits it to a component of a well-studied mechanism for analyzing language processing, the event-related potential (ERP). This represents a new modeling approach to studying the neuro-cognitive processes, one that is based on the bottom-up inter-action of real-time sensory information with higher-level cate- gories of cognitive processing.

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