Table 1.

Summary of the datasets (single units)^a

Ferrets	No-TORC background		TORC background
	TarUP	TarDN	TarUP	TarDN
FerUP	115	NA	112	NA
FerDN	NA	58	NA	65
Naive	77	66	79	63

^aTwo neuronal populations were collected from all animals during the experiments with and without TORC background sounds. TarUP and TarDN indicate stimuli sequences illustrated in Figure 1A and Figure 1B, respectively. NA, No data were collected.