Table 2.

Comparison of devices implanted in the skull.

Device	RNS	Brown University MEA 1	WIMAGINE	Real Size Model of This Study
use	epilepsy treatment	BMI	BMI	BMI
electrode location	Intra-cortical/subdural	Intra-cortical	Epidural	Subdural
Recording channel	4	100	64	64
Stimulation channel	4	-	-	-
Size	60 × 27.5 × 7.5 mm	50 × 40 × 10 mm	50 × 50 × 10 mm	50 × 30 × 10 mm

¹ MEA: microelectrode array.