October 10, 2023

The studies use various neuropsychological tests and three types of brain imaging to understand the extent and nature of improvements. The neuropsychological tests explore such fields as memory, processing speed/response time, attentiveness and language fluency. Brain imaging indicates areas of increased activity in the brain. On a more human level, we see people become more engaged, more communicative and happier, which are very important but softer qualities to measure.