Sonia Brucki|Ricardo Nitríni
Cancellation task in very low educated people
Universidade de São Paulo|Universidade de São Paulo
cancellation tasks largely used evaluate visuospatial function attention cognitive evaluation low literacy subjects remains challenge developing countries becomes necessary distinguish pathological biased low education performance river bank dwellers amazon region studied structured nonverbal cancellation task verifying searching strategies randomizedorganized time completion number correct cancelled targets number falsepositive targets difference observed performance searching strategies illiterates literates years schooling mean08 sd16 years education across measures significant difference literate groups searching strategy well illiterates never attended school showing minimal contact graphic presentations organization writing able modify cognitive function