A new study published online in Nature Neuroscience found that cocoa flavanols reverse minor memory loss in older adults. A company that makes chocolate helped to pay for the study. Dr. Scott Small is a professor of neurology at Columbia University in New York City. He is the lead writer of a research paper describing the effects of cocoa flavanols on brain activity. The study involved 37 volunteers aged between 50 and 69. ___________________________ 在自然神经学期刊上发表的最新研究发现可可黄烷醇能够保留一些老年人的一小部分记忆.一家生产巧克力的公司赞助支持这项研究.斯格特博士是纽约市哥伦比亚大学神经科的教授.他的研究论文表述了可可黄烷醇对大脑活动的影响.这项研究有37位年纪在50岁到69岁不等的志愿者参与,____________________