Jove
Visualize
Contact Us

Related Concept Videos

Relationship with Other Adult Family Members and Siblings01:29

Relationship with Other Adult Family Members and Siblings

282
Other adult family members and siblings play a crucial role in shaping children’s social and emotional development. While parents or primary caregivers are often the central figures in early attachment and socialization, other adults in a child’s life, such as grandparents, aunts, and uncles, can significantly influence developmental outcomes. These influences depend on each adult’s personality and may help compensate when a primary caregiver is emotionally distant or...
282
Regression Toward the Mean01:52

Regression Toward the Mean

6.3K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.3K
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

1.4K
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
1.4K
Nature and Nurture01:10

Nature and Nurture

19.4K
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,...
19.4K
Biological Influences on Intelligence01:30

Biological Influences on Intelligence

727
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
727
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

547
Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
547

You might also read

Related Articles

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

Sort by
Same author

A Unified Framework for Jointly modelling Response Times and Item Position Effects in Computer-Based Learning Assessments.

Multivariate behavioral research·2026
Same author

Circulating level of Insulin-Like Growth Factors (IGFs) peptides and risk of colorectal adenoma and cancer: A systematic review and meta-analysis.

Cancer epidemiology·2026
Same author

Antenatal care barriers differ fundamentally between high-resource and low-resource settings: a call for context-sensitive nursing strategies.

Evidence-based nursing·2026
Same author

Adolescent pregnancy as a blind spot in RSV prevention: rethinking maternal and infant immunization policies.

European journal of public health·2026
Same author

Variable Selection via Knockoffs in Missing Data Settings with Categorical Predictors.

Psychometrika·2026
Same author

Global Patterns of Human Rhinovirus Activity and Epidemic Duration, 2016-2025: Before, During, and After the COVID-19 Pandemic.

Pathogens (Basel, Switzerland)·2026
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 Experiment Video

Updated: Apr 27, 2026

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
04:20

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model

Published on: July 12, 2024

2.5K

Differences in birthweight outcomes: a longitudinal study based on siblings.

Silvia Bacci, Francesco Bartolucci, Manuela Chiavarini

    International Journal of Environmental Research and Public Health
    |July 9, 2014
    PubMed
    Summary

    Second-born infants generally have a higher birthweight than first-borns. Factors like longer gestational age, more prenatal visits, and infant gender significantly influence birthweight, while maternal age and social factors showed no significant impact.

    More Related Videos

    Assessment of Child Anthropometry in a Large Epidemiologic Study
    09:36

    Assessment of Child Anthropometry in a Large Epidemiologic Study

    Published on: February 2, 2017

    26.7K
    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
    07:56

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

    Published on: January 29, 2018

    17.5K

    Related Experiment Videos

    Last Updated: Apr 27, 2026

    Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
    04:20

    Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model

    Published on: July 12, 2024

    2.5K
    Assessment of Child Anthropometry in a Large Epidemiologic Study
    09:36

    Assessment of Child Anthropometry in a Large Epidemiologic Study

    Published on: February 2, 2017

    26.7K
    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
    07:56

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

    Published on: January 29, 2018

    17.5K

    Area of Science:

    • Perinatal epidemiology
    • Maternal-fetal medicine
    • Biostatistics

    Background:

    • Birthweight is a critical indicator of neonatal health and long-term outcomes.
    • Understanding factors influencing birthweight differences between siblings is crucial for perinatal care.

    Purpose of the Study:

    • To investigate birthweight disparities between first- and second-born infants.
    • To evaluate the influence of maternal demographic, social, and pregnancy-related characteristics on these differences.

    Main Methods:

    • Analysis of data from 792 women with two deliveries in Umbria, Italy (2005-2008).
    • Univariate paired t-test for direct birthweight comparison.
    • Linear and nonlinear regression models to assess maternal characteristics and predict low/high birthweight odds.

    Main Results:

    • Second-born infants exhibited significantly higher birthweights compared to first-borns.
    • Increased birthweight was associated with longer gestational age, higher number of prenatal visits, and infant gender.
    • Maternal age and other social characteristics did not show a statistically significant effect on birthweight.

    Conclusions:

    • Birth order is a significant determinant of birthweight, with second-borns tending to be heavier.
    • Gestational age, prenatal care frequency, and infant sex are key modifiable factors influencing birthweight.
    • Further research may explore other potential influences on birthweight variation between siblings.