 Advocates of this position also frequently tried to show that learners are stuck within principles and parameter settings exemplified in their L1.Some experts have commented that theories of direct access could also be characterized as direct access since the learner is not restricted only to UG principles and parameter settings of the L1 grammar due to the resetting and restructuring that occurs with the learning of the L2.Some relevant theories that assume access to UG in adulthood and propose other factors as cause of differences between L1 and L2 acquisition