FIND US ON SOCIAL

Facebook linkYoutube linkInstagram linkTwitter link
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 
View post on Instagram
 

Join the Fam,

Stay in the Know

JOIN OUR COMMUNITY

Sign up to get helpful tips, offers, and more!

ABOUT

Mission & FoundersThe 5 S’sBlog

SUPPORT

FAQsProduct RegistrationFees, Shipping, and ReturnsReturns PortalContact Us

COMMUNITY

AffiliatesAuthorised Partners

LEGAL

Terms of SalePrivacy PolicyCookie PolicyTerms of ServiceEULASNOO Limited WarrantyLegal NoticeRight of WithdrawalCookie PreferencesAll Legal Terms

SHOP

SNOO Smart SleeperSleepea SwaddleSNOObear White Noise LoveySNOObie Smart Soother

© 2025 Happiest Baby, Inc. | All Rights Reserved

All third party trademarks (including names, logos, and icons) referenced by Happiest Baby remain the property of their respective owners. Unless specifically identified as such, Happiest Baby’s use of third party trademarks does not indicate any relationship, sponsorship, or endorsement between Happiest Baby and the owners of these trademarks. Any references by Happiest Baby to third party trademarks are to identify the corresponding third party goods and/or services and shall be considered nominative fair use under the trademark law.

    Happiest Baby
    BLOG
    FAQS

    BABY

    What is Object Permanence?

    What do peek-a-boo and separation anxiety have in common? An important cognitive skill called object permanence.

    Happiest Baby Staff

    Written by

    Happiest Baby Staff

    SHARE THIS ARTICLE

    Share on FacebookShare on TwitterShare on LinkedinShare on PinterestShare via EmailCopy to clipboard link
    Baby and mum playing peek-a-boo, demonstrating object permanence

    ON THIS PAGE

    • What is object permanence?
    • Why is object permanence important?
    • When do babies develop object permanence?
    • How do babies learn object permanence?

    SHARE THIS ARTICLE

    Share on FacebookShare on TwitterShare on LinkedinShare on PinterestShare via EmailCopy to clipboard link

    PARENT PICKS

    Bestsellers

    SNOO Smart Sleeper Bassinet

    SNOO Smart Sleeper Baby Cot

    €1,395.00

    Sleepea® 5-Second Baby Swaddle Rainbow

    Sleepea® 5-Second Baby Swaddle

    €32.95

    100% Organic SNOO Sleep Sack Blue Tie-Dye

    100% Organic SNOO Sleep Sack

    €34.95

    SNOObie® Smart Soother

    €69.95

    SNOObear in Cocoa Woolly colour

    SNOObear® 3-in-1 White Noise Lovey

    €54.95

    SNOO Smart Sleeper Bassinet with mosquito net attached

    Shoo Mosquito Net

    €88.00

    Sky Mobile’s clouds

    Sky Mobile

    €89.95

    100% Organic Cotton SNOO Baby Cot Fitted Sheet in blue tie-dye colour in the box

    100% Organic Cotton SNOO Baby Cot Fitted Sheet

    €19.95

    SNOO Organic Baby Cot Sheets 3 Pack in 3 different colours

    SNOO Organic Baby Cot Sheets 3 Pack

    €59.85

    €38.90

    Sleepea® Comforter Swaddle in rose colour

    Sleepea® Comforter Swaddle

    €42.95

    100% Organic SNOO Sleep Comforter Sack in graphite colour

    100% Organic SNOO Sleep Comforter Sack

    €44.95

    Sleepea® Swaddle Sack 3 Pack Bundle in teal planets colour

    Sleepea® Swaddle Sack 3 Pack Bundle

    €98.85

    €69.20

    More on Baby

    A curled-up newborn baby

    BABY

    What’s the Newborn Scrunch?

    Here’s the scoop about this adorable reflex.

    A mum and her newborn baby doing skin-to-skin

    BABY

    Why Holding Your Baby Skin-to-Skin Is So Powerful

    From regulating body temperature to promoting bonding, the benefits of skin-to-skin are profound!

    If a furry, four-legged creature runs behind the sofa, does it exist? What about a ball that rolls out of sight: Is that still here? And when Mummy leaves in the morning, will she be gone forever?

    While grownups know that pets, toys, and parents remain even when out of sight, young babies are not too sure. In fact, it is not until your little one is about 8 months old that they learn that things they thought disappeared forever, really do not. This realisation is called object permanence. 

    What is object permanence?

    In short, object permanence is your baby’s ability to learn that people and objects that seemingly vanish still exist…even if they can no longer see them. Before object permanence settles in, if you put one of your little one’s toys behind your back during playtime, they might become upset when they cannot see the toy anymore. (My choo-choo is gone forever!) Or, on the flip side, they might become totally disinterested and move on because, well, the toy is no longer here.

    Somewhere around 8 months old, however, when, say, SNOObear disappears behind you, your baby’s reaction might change. The lightbulb has turned on! Your precious child realised that, yes, SNOObear went away, BUT it is somewhere. Then around 10 months, your baby will likely start to actively search for their beloved missing bear, craning their head to find out where their favourite lovey is hiding.  

    Why is object permanence important?

    Object permanence is a critical part of your baby’s cognitive development. It is the very start of what is called symbolic thought, which is the ability to conjure up an image of something that is not physically in front you. Without understanding object permanence, your sweet child would not be able to move on to more advanced milestones, such as imaginative play, learning how to talk, and creating memories. 

    When do babies develop object permanence?

    Before your baby can get their burgeoning brains around object permanence, they need to first learn that things exist. This is what is called object identity. Object identity means that your child can see an object—for instance, a rattle—have it taken away, and then be able to recognise the rattle when it comes back. Object identity for familiar caretakers kicks in around 2 months of age. Soon after, your baby can identify their favourite objects.

    While there is no set-in-stone age when your baby will grasp object permanence, it typically happens when they are around 8 months old, though some believe it can start between 4 and 7 months. But it is really better to think of object permanence as a work in progress, especially since object permanence is something that your 10- to 12-month-old baby is likely still working on. 

    How do babies learn object permanence?

    Once your baby understands object identity, you can help them develop their object permanence through fun activities. Try playing a rousing game of peek-a-boo by covering your face with your hands or putting a light scarf over your baby’s face and quickly pulling your hands or scarf away. You can also hide toys under a blanket and ask your baby to try to find them…or play with an old-school jack-in-the-box. Another way you can help your baby learn object permanence is by talking to them when you leave the room. This way, they still hear you and know you are there without seeing you. 

    As your baby starts to realise that objects (and people!) exist after they disappear, they may get upset when you leave them. Sure, your baby may know that you still exist when you walk out the door, but now they are troubled because they understand that you are not available to them. After all, your child does not yet understand the concept of time—who knows when you will return!  (Cue possible separation anxiety.) 

    This is an exciting time for your baby! They are going through a lot of changes…and trying to understand the world around them. But it is important to remember that all babies develop a little bit differently. While object permanence is expected to develop around 8 months, many start to grasp the concept earlier or later than this. Talk to your baby’s healthcare provider if you have concerns about their development. 

    Disclaimer: The information on our site is NOT medical advice for any specific person or condition. It is only meant as general information. If you have any medical questions and concerns about your child or yourself, please contact your health provider. Breastmilk is the best source of nutrition for babies. It is important that, in preparation for and during breastfeeding, mothers eat a healthy, balanced diet. Combined breast- and bottle-feeding in the first weeks of life may reduce the supply of a mother's breastmilk and reversing the decision not to breastfeed is difficult. If you do decide to use infant formula, you should follow instructions carefully.

    Top Stories

    Dr. Harvey Karp uses the 5 S's to soothe a fussy baby

    BABY

    The 5 S's for Soothing Babies

    A baby in the Fourth Trimester

    BABY

    What Is the Fourth Trimester?

    Sleeping newborn

    BABY

    Newborn Baby White Noise Benefits

    A baby with a pacifier

    TODDLER

    How and When to Stop Pacifier Use

    Mother holds baby during the 3- to 4-month sleep regression

    BABY

    Don't Get Blindsided by the 3- to 4-Month Sleep Regression

    A mother gives her newborn baby a dream feed

    BABY

    What Is Dream Feeding?...And How Do I Do It?