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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Exp Neurol. 2009 Feb 10;219(1):66–73. doi: 10.1016/j.expneurol.2009.01.024

Table 2.

Crossed phrenic activity following hemisection surgery in the neonatal rats.

P2 P3 P4* P5 P6 P7
Crossed phrenic activity (ventral, lateral, dorsal areas) 10 3 2 0 0 0
Crossed phrenic activity (ventral area only) 0 3 4 6 6 10
Total Number 10 6 6 6 6 10

All P2 group rats (10) spontaneously expressed crossed phrenic activity at ventral, lateral, and dorsal areas of the left hemidiaphragm. 3 out of 6 P3 rats and 2 out of 6 P4 rats completely expressed crossed phrenic activity at three hemidiaphragmatic areas.

*

denotes the last day (P4) that the neonatal rats showed crossed phrenic activity in the ventral, lateral and dorsal areas of the left hemidiaphragm. After P4, activity was only expressed in the ventral area of the left hemidiaphragm.