Research Article

Effect of Vocal Nerve Section on Song and ZENK Protein Expression in Area X in Adult Male Zebra Finches

Figure 2

Changes in RA and PF of birdsong before and after right- or left-side vocal nerve section. (a) RA comparison before and after one side of vocal nerve section, before and after right-side vocal nerve section ( ), before and after left-side vocal nerve section ( ). (b) PF comparison before and after one side of vocal nerves section, before and after right-side vocal nerve section ( ), before and after left-side vocal nerve section ( ).
902510.fig.002a
(a)
902510.fig.002b
(b)