TABLE 1.

Details of the subjects who took part in the experiments. Subjects AB1 to AB6 were from Cambridge, UK (“Cam”) whilst subjects AB102 to AB106 were from Leuven, Belgium (“Leu”)

Subject	Centre	Age (years)	Electrode array
AB1	Cam	67	HiFocus1J
AB2	Cam	69	HiFocus1J
AB3	Cam	53	HiFocus1J
AB4	Cam	65	HiFocus1J
AB5	Cam	66	HiFocus1J
AB6	Cam	69	HiFocus ms
AB102	Leu	60	HiFocus 2
AB103	Leu	74	HiFocus Helix
AB104	Leu	64	HiFocus 2
AB105	Leu	62	HiFocus 2
AB106	Leu	62	HiFocus 2
AB107	Leu	66	HiFocus 2