Abnormally small head size and intellect in children

Pryor, Helen B.; Thelander, H. E.

doi:10.1016/s0022-3476(68)80275-6

Cited by 73 publications

(20 citation statements)

References 10 publications

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“…This patient was also the only one whose HC was below − 3 SD. Our findings agree with previous studies that found a linear correlation between HC size and intellectual development27, 28. In a study of 212 microcephalic children, Pryor and Thelander27 showed that children with a HC between − 2 SD and − 2.6 SD had average IQ; however, the smaller was the HC, the lower were the IQ scores.…”

Section: Discussionsupporting

confidence: 92%

Developmental outcome of isolated fetal microcephaly

Stoler-Poria

Lev

Schweiger

et al. 2010

Ultrasound in Obstet & Gyne

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Section: Discussionsupporting

confidence: 92%

Developmental outcome of isolated fetal microcephaly

Stoler-Poria

Lev

Schweiger

et al. 2010

Ultrasound in Obstet & Gyne

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“…Therefore, infants with microcephaly are at risk of long term morbidity such as epilepsy and developmental delay 20. Furthermore observational studies have shown a correlation between the severity of microcephaly and severity of mental retardation 421…”

Section: What Are the Consequences Of Fetal Microcephaly?mentioning

confidence: 99%

Fetal microcephaly

Nawathe

Doherty

Pandya

2018

BMJ

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“…Small head size has been associated with poor intellectual performance by some authors (O'Connell et al, 1965;Pryor and Thelander, 1968; Babson and Henderson, 1974; Francis-Williams and Davies, 1974). Received 15 May 1976 Few studies have been done on the growth velocity of head circumference during the specific period of neonatal and infant life.…”

mentioning

confidence: 99%

Velocity of head growth during the perinatal period.

Fujimura¹,

Seryu²

1977

Archives of Disease in Childhood

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SUMMARY Growth velocity of head circumference was studied longitudinally in different gestational age groups of 222 appropriate-weight-for-dates (AFD) and 94 small-for-dates (SFD) healthy infants during the first 5 months of life. Term AFD and SFD infants showed a steady slowing of growth rate of head circumference from birth. In contrast, preterm AFD infants of less than 36 weeks' gestation showed an increasing velocity of growth followed by slowing, with maximum velocity occurring between 30 and 40 days after birth. The shorter the postconceptional age at birth the later maximum velocity occurred. However, those preterm AFD infants of between 30 and 33 weeks' gestation who were given a high caloric feed showed a similar velocity curve to that of infants of 34-37 weeks of gestation.Cross-sectional data were used to estimate growth velocity of head circumference in the fetus. Two conclusions emerged. First, there is a slowing of head growth velocity from 31 weeks' gestation in utero, and second, term infants show a marked increase in velocity after birth. Though the occurrence of maximum velocity of head growth is delayed in the preterm infant, the net effect is such that at a given postconceptional age his head circumference is greater than that of the term infant, at least within the first 5 postnatal months.

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Abnormally small head size and intellect in children

Cited by 73 publications

References 10 publications

Developmental outcome of isolated fetal microcephaly

Developmental outcome of isolated fetal microcephaly

Fetal microcephaly

Velocity of head growth during the perinatal period.

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