The development of stimulus-specific auditory responses requires song exposure in male but not female zebra finches

Additional Supporting Information may be found in the online version of this article.

Filename	Format	Size	Description
DNEU_20751_sm_Suppfig1.tif		42K	Supplementary Figure 1. Power of evoked response for each group averaged across syllables. Overall power was used to assess spatial and temporal distributions of the evoked response (root-mean-square of the ERP for each group with mean over electrodes and syllables). Four distinct response components were observed: (a) onset response: 10-40 ms post-stimulus; (b) main peak of response, 40-120 ms; (c) offset response: 120-350 ms; and (d) weak prolonged response: 350-∼1000ms. The onset component of the response provided stimulus specific information; additional components confirmed group differences.
DNEU_20751_sm_Suppfig2.tif		37K	Supplementary Figure 2. Mean anterior-posterior difference for each group averaged across syllables. Stimulus specific response patterns were observed in the onset response (a). Anterior-posterior difference potential of isolated males was less than other groups in the onset and main peak of the response (a & b) (2 way ANOVA (Group × Stimuli), groups: F = 4.14, p < 0.05; F = 7.13, p < 0.01, onset and main peak respectively).
DNEU_20751_sm_Suppfig3.tif		35K	Supplementary Figure 3. Differences in BOLD response intensity to different stimuli. BOLD response amplitude (intensity) indicates response patterns in colony (a) and box trained (b) birds, but not isolated males (c). Isolated females have slighter greater intensity response to songs than calls (d).
DNEU_20751_sm_Suppfig4.tif		40K	Supplementary Figure 4. BOLD area of activation for individual birds. (a) Isolate male birds do not show a consistent pattern across stimuli in their BOLD responses (# voxels). (b) Box trained, (c) colony, (d) and isolate female birds show a response pattern across stimuli.
DNEU_20751_sm_Suppfig5.tif		79K	Supplementary Figure 5. ERP time courses for individual stimuli. Mean group ERP responses for each syllable type. As shown, stimuli with stronger amplitude modulation (call 1 and syll 1) induced more complex responses in most groups, and particularly in the ISO females. In the ISO males, however, responses were weak and uniform across all stimuli.
DNEU_20751_sm_Suppfig6.tif		37K	Supplementary Figure 6. ERP time courses for song syllables versus calls. ERP time courses across all birds. As shown, song syllables induce longer responses. The second peak indicates offset responses.

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