Table 2
Behavioural characteristics of children with cerebral visual impairment
| (1) Direct signs: behaviours indicating the visual perception of a stimulus |
|---|
| Intermittent fixation towards the stimulus |
| Looking past the stimulus |
| Head movements towards the stimulus |
| Following the movement of a stimulus |
| Reaching for the stimulus |
| Looking away while reaching the stimulus |
| (2) Indirect signs: supportive or confirming behaviours |
| Avoiding behaviour |
| Change of posture |
| Smiling |
| Blinking of eyes |
| Facial expression |
| Stereotypic behaviour |
