This suggests that basal (i.e. non-singing) FoxP2 levels in area X are not regulated by auditory input during song development. (journals.plos.org)
In normal crickets, neurons that receive auditory input from one cricket «ear» project up to the brain unilaterally, without crossing the cricket's «midline» (Figure 1A). (bowdoin.edu)
Visual and auditory input pass through the thalamus, which regulates consciousness, before hitting the limbic system. (businessinsider.com)