Performance on neuropsychological tests before and after subthalamic neucleotomy
| n |
Presurgical (mean (SD)) |
Postsurgical (mean (SD)) | p Value | |
| NART(a) | 12 | 115.25 (7.98) | ||
| WAIS-R VIQ(b) | 12 | 107.00 (12.40) | 110.17 (13.83) | 0.041-150 |
| RAVLT Tr 1–5(c) | 11 | 39.55 (9.17) | 39.27 (9.90) | 0.93 |
| RAVLT Tr 6(c) | 11 | 8.00 (3.19) | 7.73 (3.90) | 0.76 |
| Story memory(d) immediate recall | 12 | 8.54 (3.23) | 10.71 (4.55) | 0.031-150 |
| Story memory(d) delayed recall | 12 | 7.63 (3.16) | 8.63 (4.24) | 0.28 |
| WMS-R A/C(e) | 11 | 102.27 (15.07) | 99.00 (12.54) | 0.21 |
| Stroop(f) | 10 | 82.60 (27.27) | 75.50 (24.69) | 0.17 |
| PASAT(g) | 9 | 33.89 (11.58) | 28.67 (15.39) | 0.031-150 |
| COWAT(h) | 12 | 39.92 (14.27) | 39.92 (13.30) | 1.00 |
| Burden balls(i) correct | 11 | 10.45 (1.69) | 10.36 (1.29) | 0.88 |
| Burden balls(i) time score | 11 | 76.82 (13.84) | 78.18 (11.87) | 0.71 |
| Design fluency(j) total | 11 | 20.18 (10.94) | 18.09 (9.13) | 0.18 |
| Design fluency(j) perseverations | 11 | 3.55 (6.55) | 4.18 (6.87) | 0.67 |
| 1-151Facial recognition(k) | 12 | 1.00 | ||
| 1-152RPI(l) | 12 | 11/12 Normal | 6/12 Normal |
↵1-150 p<0.05.
↵1-151 Facial recognition pre/post surgery comparison on Wilcoxon signed ranks test non-significant.
↵1-152 Release from proactive inhibition 92% patients normal presurgery, 50% patients normal postsurgery.
(a) National adult reading test–2nd edition - predicted full scale IQ (presurgery only); (b) Wechsler adult intelligence scale-revised - verbal IQ (four item short form); (c) Rey auditory verbal learning test-total words trials 1-5 and retrieval trial 6 ; (d ) Rivermead behavioural memory test story memory- immediate recall and delayed recall; (e) Wechsler memory scale-revised–attention/concentration index; (f) Stroop neuropsychological screening test–total colour/word; (g) paced auditory serial addition task-total at 2 second pacing; (h) controlled oral word association test–total words; ( i) Burden balls–total correct and time to completion score;(j) design fluency- total designs and total perseverations; (k) Rivermead behavioural memory test facial recognition; (l) release from proactive inhibition.