These findings come from a study of almost 500 people, from the US state of Rhode Island, who were studied as children and then again as adults.
The study began with eight month old children and their mothers receiving a psychologist rating based on the quality of their interactions during a routine developmental check up.
The psychologist judged how well the mother responded to her child’s emotions and needs before giving an ”affection score” which was based on the warmth of their interaction.
Thirty years down the line the researchers revisited the child participants who were now adults, and asked them to take part in a survey about their well-being and emotions.
The survey involved questions about whether they believed their mothers had been affectionate towards them and...