Cognitive test scores
| Assessment | |||||
|---|---|---|---|---|---|
| 1st | 2nd | 3rd | 4th | 5th | |
| Dec 92 | Sep 93 | Feb 94 | Sep 95 | Apr 97 | |
| VIQ | 94 | 89 | 89 | 73 | 58 |
| PIQ | 109 | 99 | 101 | 95 | 92 |
| RM Words | 44/50 | 43/50 | 39/50 | 39/50 | 33/50 |
| 50–75%ile | 50–75%ile | 10–25%ile | 10–25%ile | <5%ile | |
| RM Faces | 47/50 | 48/50 | 44/50 | 45/50 | 32/50 |
| = 95%ile | >95%ile | 50–75%ile | = 75%ile | <1%ile | |
| GNT | 16/30 | 13/30 | 7/30 | 3/30 | 0/30 |
| 10–25%ile | = 5%ile | <1%ile | <%ile | <1%ile | |
| ST | — | — | — | — | 36/50 |
| 10–25%ile | |||||
| OD | — | — | — | 19/20 | 18/20 |
| CA | — | — | — | 10/10 | 10/10 |
| IL | 20/20 | 20/20 | 20/20 | — | — |
| DC | 20/20 | 20/20 | 20/20 | — | 20/20 |
| NL | — | — | — | — | 9/10 |
| SD | — | — | — | — | 19/20 |
RM Words=recognition memory for words; RM Faces=recognition memory for faces; GNT=graded naming test; ST=synonym test; OD=object decision; CA=cube analysis; IL=incomplete letters; DC=dot centre; NL=number location; SD=shape detection; —=not tested.