Introduced are articles from the Berlin Aging Study (BASE) that collectively illustrate systemic-wholistic approaches to psychological functioning in old age. A systemic-wholistic perspective aims to elucidate structural and functional interdependencies between domains and to provide an integrative account of individual functioning. The special features of BASE (age range, 70-105 years; heterogeneous sample stratified by age… Continue reading A systemic-wholistic view of psychological functioning in very old age: Introduction to a collection of articles from the Berlin Aging Study