Autism prodrome 82 of 89
Table 1
Home video studies
_________Reference_________ |
N |
Age (Months) |
Comparison group |
____________________________________Findings____________________________________ |
Losche (1990) |
8 |
4-12m, 13-21m, 22-30m, 31-42m |
TD |
Less goal directed action from 4-12m; impairment in sensorimotor development from 13-21m; reduced role as ‘social actor’ from 22-30m_________________________________ |
Adrien et al. (1991, 1993) |
12 |
0-12m, 13-24m |
^td |
Before 12m: social attention, communication, motor behaviors; 13-24m: as above plus gaze avoidance, hypoactivity, absence of emotional expression |
Osterling & Dawson (1994) |
11 |
12m__________ |
TD |
Less pointing, showing, looking at others and responding to name____________________ |
Werner et al. (2000)________ |
15 |
8-10m_________ |
TD__________ |
Less orienting to name, marginally less looking at others faces while smiling___________ |
Osterling et al. (2002)_______ |
20 |
12m__________ |
ID, TD__________ |
Less orienting to name, less looking at people_________________________________________ |
Werner & Dawson (2005) |
36 |
12m; 24m |
ASD with and TD |
At 12m infants with ASD with no regression (‘early onset autism’) showed fewer joint |
Mars et al. (1998)___________ |
25 |
12-30m |
TD |
Autism< PDD/TD for social interaction and communication (e.g. joint attention)_______ |
Baranek (1999)____________ |
11 |
9-12m_________ |
ID, TD__________ |
Reduced response to name and orientation to visual stimuli compared to ID group_____ |
Table 1 (continued)
Home video studies
_________Reference_________ |
N |
Age (Months) |
Comparison group |
______________________________________Findings______________________________________ |
Maestro et al. (2001, 2002, 2005)_____________________ |
15 |
0-24m |
TD |
Abnormalities in intersubjective behaviors (anticipation of another’s aim and imitation) |