Table 1.
Summary of significant effects of prenatal dexamethasone exposure on behaviour
Dependent variable | VEH | EDEX | LDEX | Comparison | p | Reference |
---|---|---|---|---|---|---|
Infancy (weeks 1–12) | ||||||
% time spent mobile | 47 ± 6 | 56 ± 6 | 48 ± 5 | EDEX > VEH | 0.05 | Hauser et al. (2007) |
EDEX > LDEX | 0.05 | |||||
% time eating solid food | 2 ± 0 | 2 ± 1 | 1 ± 0 | EDEX > VEH | 0.05 | Hauser et al. (2007) |
EDEX > LDEX | 0.05 | |||||
Juvenilility–adolescence (weeks 20–48) | ||||||
Initiate social play frequency/h | 6 ± 1 | 2 ± 1 | 5 ± 1 | EDEX < VEH | 0.05 | Hauser et al. (2008) |
EDEX < LDEX | 0.05 | |||||
Skilled reaching task | Hauser et al. (2008) | |||||
% single attempt success | 78 ± 3 | 75 ± 4 | 63 ± 4 | Treatment × block | 0.001 | |
% single grasp success | 51 ± 3 | 30 ± 4 | 33 ± 4 | Treatment × block | 0.001 | |
Adolescence (week 48) | ||||||
Fixed-ratio 10 reinforcement | Hauser et al. (2008) | |||||
Total responses | 190 ± 9 | 345 ± 15 | 206 ± 11 | EDEX > VEH | 0.005 | |
Total reinforcements | 14 ± 2 | 33 ± 4 | 15 ± 5 | EDEX > VEH | 0.005 |
Data are presented as mean ± SEM