Why crying babies are so hard to ignore, Neuroscience

Study suggests the sound of a baby crying activates primitive parts of the brain involved in fight-or-flight responses

Repeated maternal non-responsiveness to baby's crying during postpartum and infant neuropsychological development: The Japan Environment and Children's Study - ScienceDirect

Why It's So Hard To Ignore A Baby's Cry, According To Science

Attachment Parenting Debate (For Crying Out Loud) - Janet Lansbury

Why it's so hard to ignore a baby's cry, according to science

11 Facts Every Parent Should Know About Their Baby's Brain

Repeated maternal non-responsiveness to baby's crying during postpartum and infant neuropsychological development: The Japan Environment and Children's Study - ScienceDirect

Dangers of “Crying It Out”

Tell me how your baby cries and science will tell you what's wrong, Health

Why not to ignore your child or put them in time out - Peaceful Parent Institute