Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Language Development

Language Development

Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...

Development of Immunocompetence

Development of Immunocompetence

The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...

Development of the Heart

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...

Introduction to Developmental Psychology

Introduction to Developmental Psychology

Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...

Three Developmental Domains

Three Developmental Domains

Human development is typically examined across three main domains: physical, cognitive, and socio-emotional. These domains represent the significant areas of change and continuity throughout the lifespan, from infancy to late adulthood.
Physical Development
Physical processes, also known as maturation, encompass the biological changes that occur across an individual's life. These changes begin with genetic inheritance and continue through various stages, including growth in height and weight,...

Development of the Lymphatic System

Development of the Lymphatic System

The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...

You might also read

Related Articles

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

Sort by

Same author

Exposure to electronic media was negatively associated with speech and language development at 18 and 24 months.

Acta paediatrica (Oslo, Norway : 1992)·2021

Same author

The acoustic voice quality index version 02.02 in the Finnish-speaking population.

Logopedics, phoniatrics, vocology·2019

Same author

Abnormal functioning of the left temporal lobe in language-impaired children.

Brain and language·2014

Same author

Use of language tests when identifying specific language impairment in primary health care.

Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics (IALP)·2013

Same author

Increasing prevalence of specific language impairment (SLI) in primary healthcare of a Finnish town, 1989-99.

International journal of language & communication disorders·2008

Same author

[Speech development disorders in children].

Duodecim; laaketieteellinen aikakauskirja·2004

Search research articles

Related Experiment Video

Updated: May 12, 2026

Assessing the Coherence of Parents' Short Narratives Regarding their Child Using the Five-Minute Speech Sample Procedure

Assessing the Coherence of Parents' Short Narratives Regarding their Child Using the Five-Minute Speech Sample Procedure

Published on: September 19, 2019

[Developing speech].

Marja Asikainen, Sinikka Hannus

Duodecim; Laaketieteellinen Aikakauskirja

|April 13, 2013

Summary

This summary is machine-generated.

Early childhood vocabulary assessment is key for tracking language development. Parents can reliably assess vocabulary in children up to 2 years old, identifying potential language disorders early.

More Related Videos

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Published on: June 6, 2020

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Related Experiment Videos

Last Updated: May 12, 2026

Assessing the Coherence of Parents' Short Narratives Regarding their Child Using the Five-Minute Speech Sample Procedure

Assessing the Coherence of Parents' Short Narratives Regarding their Child Using the Five-Minute Speech Sample Procedure

Published on: September 19, 2019

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Published on: June 6, 2020

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Area of Science:

Pediatric developmental psychology
Early childhood education
Speech-language pathology

Context:

Child development relies heavily on speech and language milestones.
Active vocabulary in early childhood is a critical indicator of language acquisition.
Parental assessment of vocabulary is a reliable method for children up to two years of age.

Purpose:

To highlight the importance of early childhood vocabulary assessment for monitoring language development.
To emphasize the reliability of parental input in assessing a child's vocabulary.
To address the limitations of current screening practices in identifying language disorders.

Summary:

Children aged 1 year 6 months typically have a vocabulary of dozens of words, with significant individual variation.
Most children develop a vocabulary far exceeding a few words by this age.
Current screening methods may fail to detect language disorders in young children.

Impact:

Early identification and intervention in a child's natural environment can mitigate developmental challenges.
Timely support can prevent future learning difficulties and social relationship problems.
Focusing on early language development supports overall child wellbeing and future success.