. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: J Neuropsychiatry Clin Neurosci. 2012 Dec 1;24(1):28–36. doi: 10.1176/appi.neuropsych.11030060

Table 2.

Effects of STN stimulation on motor functioning and acute mood state.

	Rating	Improvement
UPDRS
DBS OFF	40.33 (11.24)
Right DBS	31.13 (9.14)	92% (22/24)^*
Left DBS	34.19 (9.90)	79% (19/24)^*
Bilateral DBS	24.48 (9.48)	100% (24/24)^*
Valence
DBS OFF	55.54 (12.84)
Right DBS	60.89 (14.59)	61% (14/23)
Left DBS	69.07 (17.97)	78% (18/23)^*
Bilateral DBS	69.93 (19.82)	78% (18/23)^*
Emotional Arousal
DBS OFF	46.40 (16.09)
Right DBS	42.56 (16.80)	63% (15/24)
Left DBS	40.96 (17.04)	58% (14/24)
Bilateral DBS	40.15 (11.43)	63% (15/24)
Apathy
DBS OFF	52.71 (22.53)
Right DBS	47.62 (21.62)	67% (16/24)
Left DBS	37.25 (23.55)	58% (14/24)
Bilateral DBS	34.67 (26.37)	75% (18/24)^*
Anxiety
DBS OFF	48.74 (19.86)
Right DBS	38.69 (19.55)	79% (19/24)^*
Left DBS	34.51 (19.66)	71% (17/24)^*
Bilateral DBS	30.13 (15.79)	79% (19/24)^*

Note: values represent means (standard deviation). Improvement column refers to the percentage of people with DBS-induced improvement in motor functioning (UPDRS) and mood.

indicates a significant proportion of participants with DBS-induced improvement (p<.05).