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

Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

1.1K
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...
1.1K
What is Behavior?00:54

What is Behavior?

10.3K
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
10.3K
Genetics of Speciation02:16

Genetics of Speciation

21.0K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
21.0K
Types of Genetic Transfer Between Organisms02:18

Types of Genetic Transfer Between Organisms

30.7K
Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
30.7K
What is Population Genetics?01:25

What is Population Genetics?

64.7K
A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
64.7K
Electron Behavior00:54

Electron Behavior

108.4K
Overview
Electrons are negatively charged subatomic particles that are attracted to an orbit around the positively-charged nucleus of an atom. They reside in locations that are associated with energy levels called shells and are further organized into sub-shells and orbitals within each shell.
Electrons Orbit the Nucleus
Electrons are found in specific locations outside of the nucleus. The shell in which an electron resides indicates the general energy level of the electron: those closer to the...
108.4K

You might also read

Related Articles

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

Sort by
Same author

The mechanisms of epigenetic inheritance: how diverse are they?

Biological reviews of the Cambridge Philosophical Society·2018
See all related articles

Related Experiment Video

Updated: Jan 29, 2026

A Protocol for Housing Mice in an Enriched Environment
09:30

A Protocol for Housing Mice in an Enriched Environment

Published on: June 8, 2015

19.0K

The Problem of Non-Shared Environment in Behavioral Genetics.

Oleg N Tikhodeyev1, Оlga V Shcherbakova2

  • 1Department of Genetics and Biotechnology, Saint Petersburg State University, Universitetskaya emb. 7/9, 199034, Saint Petersburg, Russia. tikhodeyev@mail.ru.

Behavior Genetics
|February 7, 2019
PubMed
Summary

Molecular stochasticity, or internal non-shared environment (NSE), may be a key factor in psychological trait development. This contrasts with external NSE, suggesting a need to revise behavioral genetics paradigms.

Keywords:
Behavioral geneticsMolecular stochasticityNon-shared environmentPhenotype formationPsychological traits

More Related Videos

Automated, Long-term Behavioral Assay for Cognitive Functions in Multiple Genetic Models of Alzheimer's Disease, Using IntelliCage
06:46

Automated, Long-term Behavioral Assay for Cognitive Functions in Multiple Genetic Models of Alzheimer's Disease, Using IntelliCage

Published on: August 4, 2018

12.8K
Employing Transcranial Magnetic Stimulation in a Resource Limited Environment to Establish Brain-Behavior Relationships
06:05

Employing Transcranial Magnetic Stimulation in a Resource Limited Environment to Establish Brain-Behavior Relationships

Published on: April 20, 2022

2.3K

Related Experiment Videos

Last Updated: Jan 29, 2026

A Protocol for Housing Mice in an Enriched Environment
09:30

A Protocol for Housing Mice in an Enriched Environment

Published on: June 8, 2015

19.0K
Automated, Long-term Behavioral Assay for Cognitive Functions in Multiple Genetic Models of Alzheimer's Disease, Using IntelliCage
06:46

Automated, Long-term Behavioral Assay for Cognitive Functions in Multiple Genetic Models of Alzheimer's Disease, Using IntelliCage

Published on: August 4, 2018

12.8K
Employing Transcranial Magnetic Stimulation in a Resource Limited Environment to Establish Brain-Behavior Relationships
06:05

Employing Transcranial Magnetic Stimulation in a Resource Limited Environment to Establish Brain-Behavior Relationships

Published on: April 20, 2022

2.3K

Area of Science:

  • Behavioral Genetics
  • Developmental Biology
  • Molecular Biology

Background:

  • The role of non-shared environment (NSE) in psychological trait development is significant but its specific factors remain elusive.
  • Behavioral genetics has largely overlooked intrinsic molecular processes as a source of phenotypic variation.

Purpose of the Study:

  • To propose intrinsic molecular stochasticity as a critical, yet overlooked, source of non-shared environment (NSE).
  • To differentiate between external and internal NSE and highlight the potential impact of the latter on psychological traits.

Main Methods:

  • Review of existing literature on molecular stochasticity in model organisms.
  • Theoretical discussion of mechanisms by which molecular stochasticity could influence psychological trait development.
  • Proposal of a revised framework distinguishing internal and external NSE.

Main Results:

  • Minor fluctuations in gene expression or gene-product function during ontogeny can significantly impact phenotype.
  • External NSE's impact appears limited, suggesting internal NSE (molecular stochasticity) plays a decisive role.
  • Experimental evidence in model organisms supports the phenotypic impact of molecular stochasticity.

Conclusions:

  • Intrinsic molecular stochasticity is a crucial, underappreciated factor in the development of psychological traits.
  • A paradigm shift in behavioral genetics is needed to incorporate the study of molecular stochasticity.
  • Further research into molecular stochasticity during individual development is strongly recommended.