Show Howl How Abnormal Object Is IsM Made M de to Appear Normal ormal A queer contrariness pervades all aU our sensations according to Dr James J. J J Gibson Smith college psychologist psychologist as reported in the Phila Phila- Philadelphia Philadelphia delphia Record Most of us are arc acquainted with one illustration of this When the eyes eyes' look at a blue card for a long time they develop the desire to see the opposite color color- color yellow So Soa a deep blue appears less blue a weak blue appears gray gr gray ap ap- appears ap- ap appears pears yellow and yellow appears more yellow Dr Gibson reports in the Psycho Psycho- Psychological logical Review that he found a simi simi- similar I lar Jar reaction where colors arent aren't in in- involved Examples I Look fixedly for about five min min- minutes minutes minutes I utes at a slant line Then look at a vertical line and it will seem to slant about two ho or three degrees With your eyes blindfolded have some one draw a rough belt across your your arm then suddenly stop it For a moment the belt will seem to have begun to move backward The biological explanation Dr Gibson suggests what we have here is a miniature version of the age- age old process of ot adaptation to environ environ- ment We tend to become used to any persisting condition such condition such as slant in lines That becomes our normal Now when we see a ver ver- vertical vertical vertical line which line which is ordinarily our normal Jt normal it appears abnormal or askew I |