Figure 7From: Ocular accommodation and cognitive demand: An additional indicator besides pupil size and cardiovascular measures?Results of Experiment 4. Average results for the additional control block of experiment 4 as function of task content (n-1 or n-4): in a. the amount of correct responses (%), in b. the reaction time (ms) and in c. the accommodation response (D) are shown; SDs are indicated as error bars. Only the amount of correct responses and the reaction time changed significantly with the task content.Back to article page