Brain • Electroencephalography •

[{"selector":"#anim-db58fbde-3cb3-400f-a3dd-61d1faa36630 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

An electroencephalogram (EEG) is a recording of brain activity.

[{"selector":"#anim-75286a2f-820e-4937-962a-f3b5472f0a38 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-14.843749786673241%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

During this painless test, small sensors are attached to

[{"selector":"#anim-e85cc096-eca9-4681-85cf-2c466a4ee2b6 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(19.27083314686994%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

the scalp to pick up the electrical signals produced by the brain.

[{"selector":"#anim-a998f0d0-788a-4a7e-be04-042b96b61888 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-34.17499990397451%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

These signals are recorded by a machine and are looked at by a doctor.

[{"selector":"#anim-bb0fa940-cc5f-42a8-8c74-68b3fdf3d2b7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-31.249999886225726%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

An EEG is a test that detects abnormalities in your brain waves, or in the electrical activity of your brain.

[{"selector":"#anim-2ca38ae1-9fc4-498f-86af-de05b8dec2d3 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(34.17499990397451%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

Most waves of 8 Hz and higher frequencies are normal findings in the EEG of an awake adult.

[{"selector":"#anim-d64326eb-494a-48b4-881b-653cedb17816 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-31.249999886225726%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}]

More Details

[{"selector":"#anim-d213fbda-e9a5-4ad3-90ea-33bfe4ef33ef [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]