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

Cognitive Development During Adolescence01:18

Cognitive Development During Adolescence

533
During adolescence, individuals experience significant cognitive development that enhances their understanding of others' emotions and thoughts, known as cognitive empathy. This period is marked by an increased ability to adapt to others' perspectives and a more nuanced understanding of others' mental states, a skill that is foundational for social problem-solving and conflict avoidance. The development of cognitive empathy relies heavily on the theory of mind — the...
533
Deleterious Substances in Aggregate01:25

Deleterious Substances in Aggregate

540
Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...
540
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

407
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
407
Drug Classes and Categories01:25

Drug Classes and Categories

3.0K
Drugs can be classified according to their chemical composition or their intended therapeutic application. For instance, anti-infective agents that possess the ability to eliminate pathogens or suppress their growth and reproduction can be grouped based on the organisms they target or their chemical structure. Furthermore, drugs can be divided into prescription, nonprescription, or controlled substances. Prescription medications, such as antibiotics, require oversight from a licensed healthcare...
3.0K
Antibody Structure and Classes01:25

Antibody Structure and Classes

8.4K
Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.
8.4K
Connective Tissue Fibers and Ground Substance01:17

Connective Tissue Fibers and Ground Substance

13.0K
One of the significant functions of connective tissue is connecting tissues and organs. Unlike epithelial tissue that is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it. It plays a significant role in the functioning of this tissue. The major component of the matrix is a...
13.0K

You might also read

Related Articles

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

Sort by
Same author

Nodular Meningeal Recurrence After Laser Interstitial Thermal Therapy for Brain Metastasis: Diagnostic Challenges and Role of Reirradiation With Preoperative Fractionated Stereotactic Radiation Therapy.

Advances in radiation oncology·2026
Same author

Radiation treatment patterns for breast cancer brain metastases: an NCDB analysis.

Breast cancer research and treatment·2026
Same author

Clozapine Knowledge, Confidence, and Prescribing Practices Among Advanced Practice Psychiatric Nurses.

Community mental health journal·2026
Same author

Cold-Induced Transient Anisocoria Following Skull-Base Proton Therapy.

Practical radiation oncology·2026
Same author

Nursing Students' Perceptions of Small-Group Standardized Patient Simulations to Enhance Therapeutic Communication Skills.

Journal of the American Psychiatric Nurses Association·2026
Same author

Multimodal Nuclear Imaging Response as a Prognostic Indicator Following Spine Stereotactic Body Radiation Therapy.

Advances in radiation oncology·2026

Related Experiment Video

Updated: Jan 22, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

15.4K

Substance Use Patterns Among Adolescents: A Latent Class Analysis.

Heeyoung Lee1, Kyeongra Yang2, Joshua Palmer3

  • 1Heeyoung Lee, PhD, PMHNP-BC, CRNP, University of Pittsburgh, Pittsburgh, PA, USA.

Journal of the American Psychiatric Nurses Association
|June 30, 2019
PubMed
Summary

This study identified five adolescent substance use patterns, from abstinent to full experimenters. Gender, race, grade, and depression predict these patterns, informing prevention strategies.

Keywords:
adolescentdepressionsubstance abuse

More Related Videos

Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice
07:51

Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice

Published on: August 1, 2025

813
Chronic Social Defeat Stress in Early Adolescent Male Mice
07:06

Chronic Social Defeat Stress in Early Adolescent Male Mice

Published on: January 24, 2025

1.4K

Related Experiment Videos

Last Updated: Jan 22, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

15.4K
Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice
07:51

Administration of Δ9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice

Published on: August 1, 2025

813
Chronic Social Defeat Stress in Early Adolescent Male Mice
07:06

Chronic Social Defeat Stress in Early Adolescent Male Mice

Published on: January 24, 2025

1.4K

Area of Science:

  • Public Health
  • Adolescent Health
  • Substance Use Research

Background:

  • Adolescent substance use is a significant public health issue linked to mortality.
  • Understanding risk factors and co-occurring substance use is crucial for intervention.

Purpose of the Study:

  • To identify risk factors for adolescent substance use.
  • To determine patterns of simultaneous drug experimentation in adolescents.

Main Methods:

  • Utilized data from the National Youth Risk Behavior Survey (N=15,624, 2015).
  • Employed latent class analysis and logistic regression on self-reported substance use data.
  • Survey included 9th- to 12th-grade students.

Main Results:

  • Identified five distinct substance use patterns: abstinent (64%), 1st-step (25%), 2nd-step (6%), pill experimenter (4%), and full experimenter (2%).
  • Demographic factors (gender, race, grade) and depressive mood significantly predicted class membership.
  • Adolescents may use multiple substances concurrently, not just the primary one of concern.

Conclusions:

  • Adolescents in treatment may exhibit polysubstance use beyond the primary managed substance.
  • Mental health nurses can use these findings for targeted primary and secondary prevention of adolescent substance use.
  • Further longitudinal research is needed to track the progression from substance use patterns to substance use disorders.