Table 1.

Mean Coefficients of Variation on Each Behavioral Measure for all Treatment Groups^a

	Sham (%)		Mild CCI (%)		Severe CCI (%)		Summary (%)
	Male	Female	Male	Female	Male	Female	Mean±SEM
Open field—distance traveled	16.5	13.6	14.2	21.9	15.2	19.8	16.9±1.3
Open field—speed while mobile	8.3	8.7	8.8	10.7	10.4	9.4	9.4±0.4
Open field—no. of mobile episodes	13.9	13.2	15.3	22.9	24.9	27.4	19.6±2.5
Open field—center distance	17.2	17.2	15.1	18.1	13.7	21.2	17.1±1.1
Open field—rearing	47.1	37.7	37.7	49.8	50.3	59.8	47.0±3.4
Rotarod—latency to fall	20.7	12.8	23.5	19.5	23.2	31.4	21.8±2.5
Y-maze—% alternations	14.9	16.9	23.4	13.7	11.5	19.8	16.7±1.8
Y-maze—distance traveled	24.1	13.7	30.7	18.1	32.1	16.1	22.5±3.2
MWM (standard)—speed	14.1	9.4	11.1	10.3	12.4	13.7	11.8±0.8
MWM (reversal)—speed	12.8	9.3	10.4	12.6	22.1	12.0	13.2±1.9
MWM (standard)—distance to platform	24.7	19.4	26.4	17.6	20.3	15.6	20.7±1.7
MWM (reversal)—distance to platform	25.5	26.4	27.8	42.0	20.3	23.3	27.6±3.1
MWM probe (standard)—NW time	26.9	47.2	31.3	41.8	32.2	28.8	34.7±3.3
MWM probe (reversal)—SE time	21.0	28.9	31.0	27.9	45.1	31.1	30.8±3.2
MWM probe (standard)—island crossings	42.7	53.0	53.1	50.4	71.4	44.1	52.5±4.2
MWM probe (reversal)—island crossings	51.8	51.3	52.5	62.4	82.5	58.7	59.9±4.9
MWM probe (standard)—island time	46.3	63.9	68.7	55.0	77.0	48.5	59.9±4.9
MWM probe (reversal)—island time	59.6	56.6	61.4	68.4	87.7	64.9	66.4±4.6
Mean	27.1	27.7	30.1	31.3	36.2	30.3
SEM	3.6	4.4	4.3	4.5	6.2	4.1

^aNo statistical differences in mean variation were observed between levels of injury or sex.

MWM, Morris water maze; CCI, controlled cortical impact; NW, northwest; SE, southeast; SEM, standard error of the mean.