Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Exponential Equations for Modeling Growth01:26

Exponential Equations for Modeling Growth

Exponential models are essential for describing rapid, multiplicative changes in natural systems, such as population growth. When a population doubles at regular intervals, the process can be modeled using a suitable base. For instance, a bacterial culture that doubles every three hours follows the model n(t)=n0⋅2t/3, where n(t) is the population at the time t.A more general model uses the natural base e, especially for continuous growth. This takes the form n(t)=n0⋅ert, where r is the relative...
Oxygen Requirements and Growth Patterns01:29

Oxygen Requirements and Growth Patterns

Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
Growth versus Fixed Mindset01:24

Growth versus Fixed Mindset

Carol Dweck introduced the term mindset to describe individuals' beliefs about their intellectual and personal capabilities. These beliefs significantly influence psychological processes such as motivation, goal-setting, and perseverance, ultimately shaping academic and life outcomes. Individuals generally possess one of two mindsets- a fixed or a growth mindset—each promoting different responses to success, failure, and challenge.Fixed vs. Growth MindsetA fixed mindset assumes that one's...
Population Growth00:57

Population Growth

Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...
Nature and Nurture01:10

Nature and Nurture

Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience, such as differences...
The Nativist Approach01:21

The Nativist Approach

The nativist approach to infant cognitive development proposes that infants are born with inherent knowledge structures that allow them to interpret the world almost immediately. This perspective contrasts with earlier developmental theories, such as those proposed by Jean Piaget, which emphasized a more gradual acquisition of cognitive abilities through interaction with the environment. One key concept in this approach is object permanence — the understanding that objects continue to exist...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Longitudinal changes in minerals are influenced by immunosuppressive treatment in men with granuloma disease.

Journal of endocrinological investigation·2025
Same author

Changes in local mineral homeostasis facilitate the formation of benign and malignant testicular microcalcifications.

eLife·2025
Same author

Follicular fluid concentrations of the vitamin D metabolite 24,25(OH)<sub>2</sub>D<sub>3</sub> are positively associated with live birth rate after assisted reproductive technology.

The Journal of steroid biochemistry and molecular biology·2025
Same author

Genome-wide analyses identify 25 infertility loci and relationships with reproductive traits across the allele frequency spectrum.

Nature genetics·2025
Same author

Phenotypic Variation and Pubertal Outcomes in Males and Females With 46,XY Partial Gonadal Dysgenesis.

The Journal of clinical endocrinology and metabolism·2025
Same author

Determination of Androgen Bioactivity by an In Vitro Assay During Pubertal Transition in Healthy Boys.

Clinical endocrinology·2025

Related Experiment Video

Updated: Jun 25, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

[Growth references for Norwegian children].

Pétur B Júlíusson1, Mathieu Roelants, Geir Egil Eide

  • 1Seksjon for endokrinologi og metabolisme, Barneklinikken, Haukeland universitetssykehus, 5021 Bergen. petur.juliusson@helse-bergen.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|February 17, 2009
PubMed
Summary

New Norwegian growth charts reveal updated height and weight data for children aged 0-19 years. Norwegian children

More Related Videos

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
06:48

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

Four Temporary Waterslide Designs Adapted to Different Slope Conditions to Encourage Child Socialization in Playgrounds
06:00

Four Temporary Waterslide Designs Adapted to Different Slope Conditions to Encourage Child Socialization in Playgrounds

Published on: December 9, 2022

Related Experiment Videos

Last Updated: Jun 25, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
06:48

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

Four Temporary Waterslide Designs Adapted to Different Slope Conditions to Encourage Child Socialization in Playgrounds
06:00

Four Temporary Waterslide Designs Adapted to Different Slope Conditions to Encourage Child Socialization in Playgrounds

Published on: December 9, 2022

Area of Science:

  • Pediatric endocrinology
  • Growth monitoring
  • Public health surveillance

Background:

  • Current Norwegian growth charts are outdated, based on 1970s-80s data.
  • New data from the Bergen Growth Study (2003-2006) are available.
  • The World Health Organization (WHO) released international charts for 0-5 year olds in 2006.

Purpose of the Study:

  • To develop updated national growth charts for Norwegian children (0-19 years).
  • To compare new Norwegian growth data with existing references and WHO standards.

Main Methods:

  • Utilized data from the Bergen Growth Study and the Medical Birth Registry of Norway.
  • Constructed new growth charts for children aged 0-19 years.
  • Compared new charts against previous Norwegian references and WHO growth curves.

Main Results:

  • Children aged 0-4 years show minimal differences in length, height, and weight compared to current charts.
  • Children over four exhibit increased height (up to 3.4 cm in boys, 2.5 cm in girls) and weight-for-height, particularly at higher percentiles.
  • New Norwegian references are generally above WHO standards for birth weight and 6 months-5 years length/height, weight, and head circumference.

Conclusions:

  • Secular growth trends necessitate updated Norwegian growth charts.
  • Discrepancies between Norwegian and WHO standards suggest potential population-specific environmental or genetic growth differences.