Cortical receptive fields have recently been shown to be wider during synchronized than during non-synchronized EEG states, where, in addition, they can shrink over time in response to flashed stimuli. In the present paper we employ a neural field approach to describe the cortical activity patterns analytically. Expressions for spatio-temporal receptive fields are derived and fitted against experimental data. The model supports the idea that the observed receptive field restructuring is mainlydriven by state-dependent LGN firing patterns (burst vs. tonic mode).
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