Apathy and Reduced Speed of Processing Underlie Decline in Verbal Fluency following DBS
Table 4
Apathy and mood ratings pre- and post-DBS.
Pre-DBS
Post-DBS
AES-apathy
10.75 ± 6.02
13.96 ± 11.16
.15b
HADS-depression
6.15 ± 4.42
6.00 ± 4.04
.86a
HADS-anxiety
7.50 ± 3.23
6.27 ± 4.85
.19b
Results are given as mean ± SD (apaired t-test, bWilcoxon signed-rank). AES: Apathy Evaluation Scale [67]; HADS: Hospital and Anxiety Depression Scale [68].
