Processing Speed Training Can Improve Cognitive Ability and Lift Depression in the Elderly (3 of 3) (image) Tohoku University Share Print E-Mail Caption Standardized changed score (post-test score minus pre-test score). [Note: Standardized changed score (post-intervention score minus pre-intervention score) was calculated using the following standardized norm (Z score, Mean =100, SD =10).] Credit Rui Nouchi Usage Restrictions Credit: Rui Nouchi Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.