The Eye part 1 illusions anatomy brain function

The Eye (part 1) • illusions • anatomy • brain function

In this illustration, the stairs should turn upside down during a steady gaze. The wall with the floating glass sphere will shift from the foreground to the background (or vice-versa)

¡ Stare at the picture (on the left) for about 45 seconds. Then, stare at the white section of this image (the right section). You should see the Queen again. Keep your concentration, and for those 45 seconds, don't take your eyes off the picture.

Do you think that these lines are parallel? They are! But it doesn't look like it does it? We suppose that's what makes it an illusion!!!

Illusion handouts Ghostly black patches appear at the white intersections. The illusion was noted by Hermann (1870) while reading a book on sound by Tyndall (1869).

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How can these optical illusions be explained using the anatomy of the eye?

w/s – Anatomy of the eye retina - cones & rods ciliary muscles - rhodopsin lens blind spot aqueous humour cornea pupil optic nerve iris vitreous humour

The blind spot

What causes your Blind Spot?

What happens after the optic nerve?

Flow diagram ¡ ¡ Make a 10 step flow chart of what happens during the visual process 1 – Light energy enters the eye via the pupil.