Changes to Neural Activation Patterns (c-fos Labeling) in Chinchilla Auditory Midbrain following Neonatal Exposure to an Enhanced Sound Environment

Figure 6

Representative patterning of c-fos-labeled cells in inferior colliculus by experimental group. Where present, arrows denote bands of labeled neurons. Scale bars indicate 500 μm. The histology sections (a) and (c) are reproduced from a previously published methods paper ([26]; fig. 1) with permission (CC BY-NC-ND license, under Crown Copyright).

(a) 90 min 2 kHz sound stimulation

(b) Neonatal sound-exposed + 90 min 2 kHz sound stimulation

(c) Control: no sound exposure

(d) Neonatal sound-exposed + no sound stimulation