Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean percent saccadic intrusions (breaks from fixation) during control and hand only tasks for each group.
| saccadic intrusions Mean (SD) | 4–6 yr old | 7–9 yr old | 10–15 yr old | adult |
|---|---|---|---|---|
| Mean (SD) | ||||
| Control task |
54.2% (5.4) |
20.2% (4.9) |
9.6% (6.0) |
1.6% (5.4) |
| Hand only task |
66.6% (6.3) |
41.9% (5.7) |
18.7% (7.0) |
7.7% (6.3) |
