Jamal Hossain

1 Introduction Health-related quality of life (HRQoL) plays a central role in health outcome assessment in cancer, providing valuable insight into the impact of cancer and its treatment from the patient's perspective.

1 INTRODUCTION Early brain development is critical in a child's life. At birth, the average baby's brain is about a quarter of the size of the average adult brain. It grows to about 80% of the adult size by age 3 (Bruer, 1999; Lenroot & Giedd, 2006). Biological, social, economic, and environmental exposures and a stimulating environment play a role in their development (Britto et al., 2017; Walker et al., 2007).

BMC Psychology20197:13 https://doi.org/10.1186/s40359-019-0289-9 ©  The Author(s). 2019 Received: 13 October 2018 Accepted: 20 February 2019 Published: 5 March 2019 Abstract Background There is sufficient evidence that psychosocial stimulation (PS) benefits children’s neurocognitive behavior, however, there is no information on how it works when delivered through an Unconditional Cash Transfer (UCT) platform for poor rural population in developing countries.