Table 7.

Results EEG.

Author	Methodology				Needling details							Control intervention				Technology
	Participants	Handedness	Groups	Sessions	Points (uni-/bilateral)	Needling depth	Manipulation	deqi	Retention time	Intervention 1	Group 1	Intervention 2	Group 2	Intervention 3	Group 3	Imaging	Technical device	Software
Cabrini et al. [38]	10	n/a	1	2	PC6, LR3, HT7, Yintang, ear Shenmen (bil)	n/a	n/a	Yes	20 min	Manual	10	NAP	20			BIS	n/a	n/a
Hsu et al. [39]	24	n/a	2	1	TH5 (l)	15 mm	n/a	Yes	20 min	Manual	12	NAP	12			EEG	Biopac brain wave detection helmets	IOPAC
Kim et al. [40]	10	n/a	1	3	PC6	5–10 mm	n/a	n/a	15 min	Manual	10	NAP	10			EEG	Biopac Systems	Daubechies
Kim et al. [43]	10	n/a	2	1	PC5 (bil) versus PC6 (bil)	0.3 mm	20 Hz	n/a	5 min	Electro	n/a	NAP	n/a			EEG	n/a	ADC
Litscher [41]	25	n/a	1	4	Yintang	5 mm	4 × 20 sec	n/a	10 min	Manual	25	NAP acupressure	25	Laser	25	EEG + BIS	Zipprep Electrodes, Aspect A-1000	n/a
Streitberger et al. [42]	20	n/a	1	2	LI4 (bil)	1 mm	15 sec	Yes	10 min	Manual	10	Streitberger at NAP	10			EEG	CATEEM	Vision Analyzer