Priming face processing in the brain
This talk descends three levels. At the level of neuroimaging heuristics, I will address the question of when one sees haemodynamic increases and when one sees haemodynamic decreases in fusiform cortex associated with face repetition priming. At the level of cognitive models, I will discuss behavioural, ERP and fMRI evidence concerning the Bruce & Young (1986) model, including the possibility of multiple loci of priming and the relationship between the "N170" and the "FFA". Finally, at the level of neurophysiology, I will question neural models of stimulus repetition effects that relate firing rates to haemodynamics, and raise the possibility that haemodynamic priming effects are late (re-entrant) effects.