Newborn Reflexes: Why Your Baby Does Those Adorable Things
If you've spent any time with a newborn, you've seen it: the sudden startle, the automatic grip when a finger is placed in their palm, the way they turn their head and open their mouth when something touches their cheek. These aren't random — they're ancient, primitive programs, hardwired into the human nervous system.
They also make extraordinary photographs.
The Reflexes You'll Notice
The Moro Reflex (Startle Reflex). When startled by a sudden movement, sound, or sensation, your baby will throw their arms wide, spread their fingers, then bring the arms back in — a brief, dramatic full-body response. It's instinctive self-protection, a remnant of primate ancestors who needed to grab onto their mother if threatened.
The Moro reflex typically disappears by 3–6 months. In sessions, it's something I work around — sudden movements can startle a sleeping baby mid-pose. My technique involves slow, smooth transitions specifically to prevent triggering it during posing.
The Grasp Reflex (Palmar Grasp). Place a finger in your newborn's palm and they will grip it — firmly, automatically, with what always feels like an emotional intensity it may not technically possess. This reflex is so strong that a newborn can briefly support their own weight when hanging from a grasp, though this is never tested.
The grasp reflex is one of my favourite things to photograph. That tiny hand wrapped around a parent's finger, or clutching a soft wrap — it's a visual that encapsulates exactly what this relationship is.
The Rooting Reflex. Touch a newborn's cheek and they'll turn toward it, mouth opening. This is the feeding-seeking reflex. It's practical and beautiful and it fades around 4 months as babies develop more voluntary feeding behaviour.
The Stepping Reflex. Hold a newborn upright with their feet on a surface and they'll make stepping motions, as if walking. It disappears at around 2 months and returns when babies actually learn to walk at a year or more.
The Sucking Reflex. Present something near a newborn's mouth and they'll suck. This is one of the most survival-critical reflexes — feeding requires it. The non-nutritive sucking version (sucking on a pacifier or finger for comfort) is also powerful and well-documented for calming fussy babies.
Why Reflexes Matter for Photography
Newborn reflexes are part of what makes the early weeks such extraordinary photographic territory. They're physical evidence of the ancient machinery underneath your baby's very new exterior — the grasping, rooting, stepping, startling that connects them to millions of years of mammalian evolution.
In photographs, the grasp reflex in particular creates images of profound tenderness. The moment a newborn wraps a tiny fist around a parent's finger is one of the most consistently powerful images I make in any session.
FAQ
When do newborn reflexes disappear?
Most primitive newborn reflexes fade between 3–6 months as voluntary motor control develops. Their disappearance is actually a sign of healthy neurological development.
Is it normal if my baby startles a lot?
Yes — the Moro reflex is very active in the early weeks. It tends to settle around 3–4 months.
Reach out to plan your newborn session.
Fernanda Bautzer Photography · Calgary · 231 Yorkville Road SW.