Movement of one object results in the perception of movement of another object. Is produce when you are travelling: thi(cid:374)gs a(cid:396)ou(cid:374)d (cid:455)ou appea(cid:396) to (cid:271)e (cid:373)o(cid:448)i(cid:374)g (cid:271)ut i(cid:374) (cid:396)ealit(cid:455) (cid:455)ou a(cid:396)e the o(cid:374)e that(cid:859)s (cid:373)o(cid:448)i(cid:374)g, like going through a tunnel, these objects are moving across your retina as you are moving. Motion after affect (eg. waterfall illusion: you stare at the waterfall for a while then stare at the rocks and then the water appears to be moving up, not real. Were labelled in the monkey brain when first investigating how the visual system works using si(cid:374)gle (cid:272)ell a(cid:272)ti(cid:448)atio(cid:374). The(cid:396)e is(cid:374)(cid:859)t exactly a fixed area where it is in the brain. Somewhere in the middle temporal area but its not in the exact location in each pe(cid:396)so(cid:374)(cid:859)s brain. Use a tms coil on the brain and when people see a light pass their visual field then they have have the v5/mt+ area in that person.