To build on and expand existing studies, we took into account the dyadic nature of marital relationships and developmental shifts in socioemotional motivation, examining cross-partner, over-time associations of PMQ, age, and health using a nationally representative sample of adults aged 50 or older and their spouses. (academic.oup.com)
Age - related increases in the heritability of depression, anxiety, and empathy - related constructs are consistent with developmental shifts toward greater influence of intraindividual moderators throughout childhood and adolescence, with interindividual moderators exerting their greatest influence during early childhood. (cambridge.org)
In addition, between three and four months, full - term infants exhibit an intriguing developmental shift: At three months, they look longer at the familiar object (familiarity preference), but from four months on, they look longer at the novel object (novelty preference). (sciencedaily.com)