Changes to Neural Activation Patterns (c-fos Labeling) in Chinchilla Auditory Midbrain following Neonatal Exposure to an Enhanced Sound Environment
(a) Red bars (158 samples from 5 subjects) show average cell counts for subjects not reared with neonatal sound augmentation, but heard only the 2 kHz, 90 min probe. Average cell counts from subjects reared in the augmented acoustic environment, who then heard the 2 kHz, 90 min probe, are indicated in blue (194 samples from 5 subjects). One coronal slice produces 2 samples. Error bars show SEM. The difference in cell counts (b) within the 2 kHz band and (c) over the entire region of interest (ROI) are significant, .
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