flat line drawing of brain logo with ecg wave impulse,simple and minimalistic, gradient and rainbow colors 
flat line drawing of brain logo with ecg wave impulse,simple and minimalistic, gradient and rainbow colors --v 4
flat line drawing of brain logo with ecg wave impulse,simple and minimalistic, gradient and rainbow colors
a colorful image of a brain with a wave
an image of a brain with an ecg line
a heart shaped sticker with a rainbow design
an image of a colorful brain with a heartbeat