Extended Data Fig. 7: Experimental scheme and analysis strategy for connectivity analysis of specific functional groups of prefrontal neurons.
From: Prefrontal engrams of long-term fear memory perpetuate pain perception

(a) Details of viral constructs employed for activity-dependent labeling of prefrontal neurons and their projections. (b) Steps undertaken for measuring intensity of projections of labelled neurons to specific brain areas and conversion to heat maps for representation.