Table 1.

Patients' and normative ratings of emotional stimuli used

	Patients' rating		Normative rating
Category	Valence, mean (SD)	Intensity, mean (SD)	Valence, mean (SD)	Intensity, mean (SD)
Negative	3.1 (1.6)	5.1 (2.6)	3.4 (0.7)	5.2 (1.1)
Neutral	5.2 (1.0)	2.6 (1.7)	5.0 (0.2)	2.8 (0.3)
Positive	6.0 (1.3)	4.0 (2.1)	6.6 (0.8)	5.2 (1.1)

Patients' ratings represent subjective ratings assessed at 1 mo after bilateral insertion of the permanent electrode into the STN after overnight withdrawal of levodopa in the DBS-off condition. Normative ratings are those available from the IAPS (80).