Invisible Gorilla Test Inattentional blindness

the best-known study demonstrating inattentional blindness invisible gorilla test, conducted daniel simons of university of illinois @ urbana-champaign , christopher chabris of harvard university. study, revised version of earlier studies conducted ulric neisser, neisser , becklen in 1975, asked subjects watch short video of 2 groups of people (wearing black , white t-shirts) passing basketball around. subjects told either count passes made 1 of teams or keep count of bounce passes vs. aerial passes. in different versions of video woman walks through scene carrying umbrella (as discussed above) or wearing full gorilla suit. after watching video, subjects asked whether noticed out of ordinary taking place. in groups, 50% of subjects did not report seeing gorilla (or woman umbrella). failure perceive anomalies attributed failure attend while engaged in difficult task of counting passes of ball. these results indicate relationship between in 1 s visual field , perception based more on attention thought.

out 228 participants of tests, 194 – did count passes correctly – used statistical purposes further. percentage low 8% in 1 of 16 tests performed.

the basic simons , chabris study reused on british television public safety advert designed point out potential dangers cyclists caused inattentional blindness in motorists. in advert gorilla replaced moon-walking bear.