Table 2.

Effects of prelimbic cortex manipulations on fear expression

	Method	Task	Retrieval	Reference
Facilitators
	microstimulation	cued fc	enhanced	Vidal-Gonzalez et al., 2006
	CB1 receptor agonist	cued fc	enhanced	Lin et al., 2009
Inhibitors
	inactivation with TTX	cued fc	impaired	Corcoran & Quirk, 2007
	inactivation with muscimol	context fc	impaired	Laurent & Westbrook, 2009
	cannabidiol	context fc	impaired	Lemos et al., 2010
	cannabinoid antagonist AM-251	cued fc	impaired	Tan et al., 2010
	Site specific BDNF knockout	cued fc	impaired	Choi et al., 2010
	inactivation with muscimol	cued fc	impaired	Sierra-Mercado et al., 2011