Your baby is watching more closely than you think. A new study from the University of Illinois Urbana-Champaign suggests that babies expect comfort from caregivers as early as 6 months old, and they seem genuinely surprised when an adult ignores a crying infant.
The research also found that this expectation looked weaker in babies whose mothers reported more depressive symptoms. That finding comes with important caveats, and it is not a reason for any parent to feel blamed. Here’s what the study found, what it means for everyday parenting, and where to turn if you’re struggling.
Babies Expect Comfort: What the New Study Found
The study, published in the journal Developmental Psychology, followed 113 infants and their mothers, testing babies at 6, 9 and 12 months old. It was led by Kexin Hu, a doctoral student in the university’s Department of Human Development and Family Studies, with co-authors including research professor Nancy McElwain.
“Even before infants can speak, they hold expectations about positive caregiving experiences,” Hu said in a university news release.
At all three ages, babies looked longer at a video of a caregiver ignoring a crying baby than at one where she comforted the baby. In child-development research, longer looking is read as a sign of surprise.
How do you test what a baby expects?
Babies can’t fill out surveys, so researchers used a classic method called violation of expectation. The idea is simple: infants tend to stare longer at something that doesn’t match what they expected to happen.
According to coverage from Earth.com, babies sat on their mother’s lap and watched videos of a woman doing a household chore, such as folding towels, washing dishes or sorting socks. Then a baby in the video started crying. In the “comfort” version, the woman went over, adjusted the blanket, rocked the stroller and patted the baby. In the “ignore” version, she kept working.
On average, babies watched the ignoring video for about 38.9 seconds and the comforting video for about 33.2 seconds, Earth.com reported.
McElwain compared it to how infants react when an object seems to float in midair or pass through a wall. Babies, she explained, “expect a caregiver not to ignore a crying baby.”
Why Responsiveness Matters to Babies
This study adds to a line of research, including earlier work from the same Illinois lab, suggesting that very young babies aren’t just passive observers. They seem to be building mental models of how people should treat each other, including what caregivers do when someone is upset.
“It’s plausible that most infants, from very early in life, hold nascent positive expectations,” McElwain said. She added that over time, “those expectations can shift.”
That’s a big part of why child-development experts talk so much about responsive caregiving: noticing a baby’s cues (crying, fussing, reaching, smiling) and responding in a warm, reasonably consistent way. Babies learn from repeated, everyday moments, like being picked up, talked to, fed or soothed.
If you want to go deeper on the emotional side of parenting, our piece on empathetic boundaries looks at how warmth and structure can work together as kids grow.
You Don’t Have to Be a Perfect Parent
Here’s the reassuring part: nothing in this study says babies need instant, flawless responses every single time they cry. That’s not realistic for any human being.
Parents shower, cook, care for other kids, work, and sometimes just need a minute to breathe. Many parenting experts use the phrase “good enough” parenting to describe the idea that babies thrive with care that is loving and responsive most of the time, not perfect all of the time.
A few practical, low-pressure ways to lean into responsiveness:
- Narrate your delay. “I hear you, I’m coming,” even from across the room, tells your baby you noticed.
- Repair after a miss. If you couldn’t get there right away, a cuddle and calm voice afterward still counts.
- Share the load. Partners, grandparents and trusted caregivers can all be responsive adults in a baby’s life.
- Take a safe break when you need one. If crying is overwhelming you, it’s OK to put your baby down safely in the crib and step away for a few minutes to calm down.
- Watch for your baby’s cues. Over time, you’ll learn which cries mean hungry, tired or “hold me.”
It’s also worth remembering that parenting advice online can pile on the pressure. As we covered in our look at how social media comparison is making parents overprotective, chasing a perfect ideal often adds stress rather than helping.
Postpartum Depression and Babies’ Expectations of Comfort
The study’s second finding touches something many families live with. Mothers filled out a standard 20-question questionnaire about depressive symptoms at each visit. At every age tested, Hu said, more depressive symptoms reported by mothers went along with “lower expectations about comforting behaviors” in their infants.
In plain terms, babies of mothers reporting more symptoms showed a smaller gap in looking time between the “ignore” and “comfort” videos.
Two possible explanations
The researchers were careful not to claim they know why. They offered two possibilities:
- Everyday care experiences. Babies whose mothers have more depressive symptoms may receive less sensitive caregiving at times, so their expectations of comfort may be lower.
- Coping with a new place. Those babies may have a harder time regulating themselves in an unfamiliar lab, which could get in the way of paying attention to the videos. In that case, the result might say more about the lab visit than about what babies expect at home.
Earth.com also noted that other factors, such as inherited traits, experiences before birth, or stressful living conditions, could play a role. The study could not tell which explanation is right.
If you’re struggling, you are not failing
Depression during pregnancy and after birth is a health condition, not a character flaw or a parenting failure. It is common, and it is treatable. Getting support is one of the most caring things you can do for yourself and your family.
- National Maternal Mental Health Hotline: Call or text 1-833-TLC-MAMA (1-833-852-6262). According to HRSA, it’s free, confidential and available 24/7 in English and Spanish, and partners and family members can reach out too.
- Postpartum Support International (postpartum.net) offers peer support, online groups and help finding local providers.
- Your OB-GYN, midwife or your baby’s pediatrician can screen for depression and help connect you with care. Pediatric visits are a great place to bring it up.
- In a crisis or if you’re having thoughts of harming yourself, call or text 988 (the Suicide & Crisis Lifeline) or call 911.
Important Limits of This Baby Study
This is interesting early research, not a final word. Keep these limits in mind:
- It’s a lab looking-time test. Watching videos on a screen isn’t the same as real life, and looking time is an indirect measure of what a baby expects.
- The usable sample was small. According to Earth.com, COVID-19 disrupted lab visits. Of the 113 infants, 76 had usable data at least once, and only 17 had usable results at all three ages.
- Symptoms were self-reported. The questionnaire measures symptoms; it doesn’t diagnose depression. Most mothers scored below the elevated range, and most were highly educated.
- It’s a correlation. A mother’s earlier symptoms did not clearly predict her baby’s later responses, so the study can’t show that depressive symptoms caused the difference.
- Results varied. The pattern showed up in three of four chore videos, and individual babies didn’t always respond the same way from one age to the next.
Babies develop along a wide range, and one lab result says nothing about an individual child. If you’re curious how experts think about developmental milestones and diagnoses more broadly, read our explainer on why more kids than ever have a developmental diagnosis.
Quick Takeaways for Parents
At what age do babies expect comfort from caregivers?
In this study, babies as young as 6 months looked longer when a caregiver ignored a crying baby, suggesting they already expected comfort. The same pattern appeared at 9 and 12 months.
Do I have to respond to every cry instantly?
No. Warm, reasonably consistent responses matter most. Delays and missed moments are normal, and reconnecting afterward counts.
Does postpartum depression harm my baby?
This study found an association, not proof of harm, and researchers offered more than one explanation. What is clear is that depression is treatable, and getting help supports both you and your baby.
The Bottom Line
Babies seem to arrive with a hopeful expectation that someone will come when they cry. You don’t have to meet that expectation perfectly; you just have to keep showing up as best you can, and ask for help when you need it. You can find the study in Developmental Psychology or read the University of Illinois release on EurekAlert.
Stay tuned to USA One News for more.
