The regular-irregular dissociation in non-native English past tense

The present article investigates Pinker’s (1991) Dual Mechanism model in non-native (and native) morphology. Adult Greek learners and English natives produced the past tense of English pseudo-verbs varying in their similarity to existing verbs. Results seem problematic for Dual Mechanism and indicate no qualitative difference between L1 and L2 regarding the representation of regular/irregular morphology