She has published 10 books , and over a hundred original articles mostly in visual perception , medical psychology and on psychological problems of different social and cultural groups .
She was also the Principal of the Institute of Experimental Psychology ( 1969 -- 1981 ) .
Principal has published 10 books , and over a hundred original articles mostly in visual perception , medical psychology and on psychological problems of different social and cultural groups .
She was also the Principal of the Institute of Experimental Psychology ( 1969 -- 1981 ) .