Autism prodrome 87 of 89
Table 3 (continued)
High risk sibling studies
Reference |
N (SIBS-A) |
Age (Months) |
Comparison group |
Findings |
Landa & Garrett- Mayer (2006) |
60 |
6-24m |
TD n =27 |
At 6m no significant differences emerged among the three groups (ASD, LD, unaffected |
Landa et al. (2007) |
98 |
14-36m |
TD n =17 |
The ASD early diagnosis subgroup differed at ages of 14m and 24m from all other groups (ASD |
Nadig et al. (2007) Table 3 (continued) |
46 |
6-24m |
TD n =25 |
At 6m no significant differences emerged between siblings and controls in orienting to name. However, at 12m all controls oriented to calling their name compared to 86% of the siblings. 75% |
High risk sibling studies