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. Author manuscript; available in PMC: 2022 Jul 5.
Published in final edited form as: Annu Int Conf IEEE Eng Med Biol Soc. 2021 Nov;2021:4477–4481. doi: 10.1109/EMBC46164.2021.9629663

TABLE I.

Stimulus parameters that affect phosphene appearance

Amplitude Frequency Pluse Duration
Form Source Form Source Form Source
Brightness Linear [16], [22] Linear [16], [22] Inverse linear [25]
Size Linear [22] None [22] Inverse linear [25]
Streak Unknown None Unknown None Inverse power [25]