1. Do early-life conditions explain the gender gaps in late-life cognition among older adults? Evidence from India • Lucky Singh, ICMR - National Institute of Medical Statistics; Prashant Kumar Singh, ICMR-National Institute of Cancer Prevention and Research.

2. The extra cost of ADL disability and cognitive decline among middle-aged and older adults in China • Jiamin Gao, Beijing Normal University; Yichen Jiang, Peking University.

3. Objective and subjective socioeconomic status and cognitive impairment among older adults: a population-based study in a developing country •

4. Cognition and Sleep among Chinese Couples: A Longitudinal Actor–Partner Interdependence Model Analysis • Yu Guo, Institute for Population and Development Studies School of Public Policy and Administration Xi’an Jiaotong University; Quanbao Jiang, Xi'an Jiaotong University.