Macrocephaly is the term for an unusually large head. An infant with macrocephaly will have a larger head than most other infants of the same age and sex. In many cases, this condition is benign or harmless. In other cases, it may indicate an underlying medical condition, such as a genetic syndrome or a brain tumor.
What does it mean if my baby head is measuring big?
If baby’s head is larger than average, it can be a sign that they have hydrocephalus or are developing hydrocephalus.
What causes a baby to have a big head?
In babies, whose cranial bones are not yet fully fused to one another, this pressure can force those bones apart, causing the head to grow abnormally large. In such cases, the fontanelles, or “soft spots,” on top of the head and between some of the main cranial bones, may bulge out noticeably.
Do autistic babies have large heads?
The brains of autistic children undergo an abnormal and dramatic growth spurt in the first year of their lives, according to a new study. The growth makes their heads markedly larger than those of normal infants.
Is it normal for babies to have large heads?
The medical term for a large head is “macrocephaly.” Most of the time, it isn’t a serious condition, so parents don’t need to worry about it. In rare cases, however, it can be an indication that your baby has other health conditions.
Should I worry about my baby’s head circumference?
Don’t panic if your child’s head is bigger or smaller than average. This could be part of the normal growing process. Usually, boys have larger heads than girls. A newborn baby boy’s head circumference is about 13 ¾ inches, and girls’ heads are about a half-inch less.
Does a large head mean a large brain?
“Even though head size also depends on factors such as the muscularity of the head and thickness of the bone, it’s very likely that a bigger head means a bigger brain,” Grant Hulbert, a biology professor at California State University once told the American Academy for the Advancement of Science.
Does a big head mean smarter?
Those with the biggest heads tended to have the highest IQ scores. The researchers found that head growth by age 1 was the key factor.
What are autistic babies like?
repetitive movements, such as hand flapping or spinning. intense interest in a few special subjects. excessive lining up of toys. trouble sensing or understanding the feelings of others.
Is macrocephaly a disability?
Macrocephaly-developmental delay syndrome is a rare, intellectual disability syndrome characterized by macrocephaly, mild dysmorphic features (frontal bossing, long face, hooded eye lids with small, downslanting palpebral fissures, broad nasal bridge, and prominent chin), global neurodevelopmental delay, behavioral …
Can macrocephaly cause autism?
There has been a long-standing association between macrocephaly and autism that was first reported by Kanner [Kanner 1943][Kanner 1943; Kanner 1968], and this has been confirmed by many studies (Courchesne, 2004;Courchesne and others 2003]).