It would be more interesting to have an actual array of stories with and from different cultural experiences to see the effects of gratitude in the brain - and on more than just 23 participants who most probably had a connection to Jewish holocaust survival stories.
ORIGINAL COMMENT
It would be more interesting to have an actual array of stories with and from different cultural experiences to see the effects of gratitude in the brain - and on more than just 23 participants who most probably had a connection to Jewish holocaust survival stories.