Table 1.

Steriotactic coordinates and arrangement of arrays used in the tactile discrimination task.

	PFC	PPC	S1	V1
AP (mm)	+2.20 to −0.40	−3.24 to −4.08	−2.04 to −3.24	−5.20 to −6.40
ML (mm)	1.40	1.8 to 3.3	5.2 to 6.4	3.8 to 5.0
DV (mm)	1.96	1.0	0.8 (layer 4)	1.67
			1.2 (layer 5)
θ (degrees)	24	90	39	20
Configuration	1X8	1X4 + 2X6	4X4	4X4
Spacing (μ m)	200	300	400	400
Laterality	bilateral	unilateral	unilateral	unilateral

In each neural implant, 64 microelectrodes were used, distributed in the 4 areas.