New research suggests that consuming a diet rich in berries(ベリー)may help improve brain functioning and memory. The study was conducted by scientists from Tufts University who tested their thesis on rats. Results showed that rats who consumed berries performed better on memory exercises and had higher levels of dopamine(ドーパミン). Though the findings are encouraging(励みとなる、元気づける), more research is needed to determine(決定する) whether these results apply to(適用する)human beings as well.