The sensory stimulation experienced by the embryo during its development in the egg

            

               

 

Concentrations of hormones of maternal origin present in the egg

                        

               

Prenatal developmental factors such as movement and light exposure ​

                                         

                                                     Our Hypotheses

 

Our central hypotheses are that maternally regulated influences related to;

       

   

Contribute to the emergence and development of neonatal social responsiveness