Reaction times and performance accuracy of n-back task.

Subjects in hyperthyroid state needed a significant longer time in order to conduct 0-back task (paired student t-test p = 0.01), no significant changes for 1-back and 2-back task. Subjects in hyperthyroid state showed a significant higher accuracy in conducting 0-back task as compared to euthyroid state (paired student t-test p = 0.006). No significant changes for 1-back and 2-back task. n.s. = not significant.