Introduction is a way of measuring how automatic or intentional some well practised tasks are and how we respond in conflict situations. This phenomenon also measures individual distinctions, originality and cognitive flexibility. The two aspects of cognitive development that are demonstrated by the stroop task are naming response and counting response. When two responses compete or are in conflict, the time required to make the correct decision is dependent on speed and accuracy. In the article "Tracing The Time Course of Picture Wo ....