He gains rich achievements in the studying fields of adult intellectual development and geriatric psychology. 他在成人认知发展和老年心理学领域取得了大量的研究成果。
In recent years , the study on cognition aging of older adults is one of the most hot issue in the field of gerontic psychology research. 老年人认知老化问题是当前老年心理学研究的热点问题之一。
