Figure 4
From: Learning-related brain hemispheric dominance in sleeping songbirds
Results overview.
Left panel: Previously in a similar experiment, we found that HVC showed a left-dominant activation in awake and silent juvenile zebra finch males, while the NCM was left-dominantly activated during tutor song playback only (and not during silence or novel, demonstrating memory-specific lateralisation)37. Middle and right panel: Here we have demonstrated that during sleep at night, HVC was activated right-dominantly in all groups of birds, while the NCM showed differential lateralisation between learning proficiency groups. In poor learners, NCM activation was right-dominant (middle panel), while in good learners NCM activation was left-dominant (right panel).
