The retrieved papers do not contain evidence addressing the neurological myth that humans only use ten percent of their brain.
The provided papers cover topics such as temporal cognition, physical activity and aging, cannabis use in older adults, neurodegeneration, outcome expectations, cognitive reserve, fraction processing, placebo analgesia, and amygdala reactivity to social stress. None of these papers investigate or provide empirical data regarding the 10 percent brain myth, making it impossible to evaluate the claim using the supplied sources.