Clinical profile of the patients

Patient No	Age	Sex	Disease	Main symptoms	Location of electrodes	Minimum stimulation to suppress symptoms	UPDRS (total score) (before/after stimulation)
1	46	F	Parkinson's disease	Rigidity	L GPi	2.5 V, 120 Hz	17/5
2	58	F	Parkinson's disease	Tremor	L VIM	3.0 V, 100 Hz	39/14
3	66	F	Parkinson's disease	Tremor	R VIM	1.0 V, 120 Hz	24/7
4	53	M	Parkinson's disease	Tremor, rigidity	R VIM	2.0 V, 120 Hz	39/23
5	51	M	Parkinson's disease	Akinesia, rigidity	Bil GPi	1.0 V, 120 Hz	43/24
							TRS
6	63	M	Essential tremor	Tremor	L VIM	1.3 V, 120 Hz	3/0

VIM=thalamic nucleus ventralis intermedius; GPi =globus pallidus internus; UPDRS=unified Parkinson's disease rating scale; TRS=tremor rating scale; L=left; R=right; Bil=bilateral. Stimulus duration was fixed at 200 μs. The values in the table were obtained during NIRS measurements.