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Table 3 c-Fos-positive cells in the mPOA in sires with or without stimulation of USV or pheromones under no influence of pups

From: c-Fos expression in the paternal mouse brain induced by communicative interaction with maternal mates

Condition

c-Fos positive nuclei/0.1 mm2

(n)

No stimulation

7.0 ± 0.32

(4)

USVs

17.3 ± 1.95***

(4)

No stimulation

6.2 ± 0.7

(5)

Pheromones

13.9 ± 1.22**

(5)

  1. The brains of experimentally naïve sires were fixed approximately 30 min from the start of exposing to USVs or no sound for 10 min in new cages and of placing in dam's dirty cages or new empty cages for 10 min. The sires' retrieval ability was not examined before a sacrifice.
  2. The data of the number of c-Fos-positive cells are expressed as the mean ± s.e.m. in n pairs. **P < 0.01, ***P < 0.001, Two-tailed, Student's t-test.