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

Psychodynamic Perspectives on Personality01:27

Psychodynamic Perspectives on Personality

1.6K
The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
Psychodynamic theorists argue that unconscious...
1.6K
pre-mRNA Processing02:01

pre-mRNA Processing

57.2K
In eukaryotic cells, transcripts made by RNA polymerase are modified and processed before exiting the nucleus. Unprocessed RNA is called precursor mRNA or pre-mRNA to distinguish it from mature mRNA.
Once about 20-40 ribonucleotides have been joined together by RNA polymerase, a group of enzymes adds a “cap” to the 5’ end of the growing transcript. In this process, a 5’ phosphate is replaced by modified guanosine that has a methyl group attached to it (7-Methyl...
57.2K
Overview of the Cardiovascular System01:14

Overview of the Cardiovascular System

11.1K
The cardiovascular system is a vital transportation system in the body. It comprises the heart and blood vessels and facilitates the exchange of gases, nutrients, and waste products.
Heart
The heart is the central pump of the cardiovascular system that circulates blood throughout the body. It comprises two atria receiving the blood and two ventricles pumping blood out of the heart. Their rhythmic contractions, called heartbeats, ensure that blood flow remains continuous.
Blood Vessels
Blood...
11.1K
The Behavioral Perspective on Personality01:19

The Behavioral Perspective on Personality

810
Behaviorists view personality as primarily shaped by environmental reinforcements and consequences. According to this perspective, behavior is influenced by external stimuli, and individuals adjust their actions based on rewards and punishments. Over time, learning histories — accumulated patterns of reinforcement — play a significant role in shaping personality. Behaviors that lead to positive outcomes are reinforced, while those resulting in negative outcomes are diminished.
810
Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

348
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
348
Social Cognitive Perspective on Personality01:30

Social Cognitive Perspective on Personality

1.0K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.0K

You might also read

Related Articles

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

Sort by
Same author

EMBRACE COMPASS: protocol for a multi-country cross-sectional comparative analysis of pregnancy and postnatal care architecture.

BMC pregnancy and childbirth·2026
Same author

Pre-eclampsia: does cardiac function differ in HIV-positive and -negative women?

Cardiovascular journal of Africa·2023
Same author

Basal Ganglia-Thalamic Pattern Injury and Subacute Gradual-Onset Intrapartum Hypoxia: A Response.

American journal of perinatology·2021
Same author

Cardiac Doppler in poorly controlled gestational diabetics and its link to markers of intra-uterine hypoxia and adverse outcome.

Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology·2020
Same author

Assessment of the Fetal Myocardial Performance Index in Well-Controlled Gestational Diabetics and to Determine Whether It Is Predictive of Adverse Perinatal Outcome.

Pediatric cardiology·2019
Same author

An integrated model of materno-foetal cardiac dysfunction in severe pre-eclampsia.

Cardiovascular journal of Africa·2019

Related Experiment Video

Updated: Jan 23, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K

Pre-eclampsia and the foetus: a cardiovascular perspective.

Ismail Bhorat1

  • 1College of Health Sciences Durban, University of KwaZulu-Natal, Durban, South Africa.

Cardiovascular Journal of Africa
|June 15, 2019
PubMed
Summary

Understanding pre-eclampsia pathogenesis, including placental ischemia, aids early detection and intervention. Screening pregnant individuals identifies high-risk groups for timely treatments like low-dose aspirin, reducing severe outcomes.

Keywords:
Doppler of foetal circulationcardiac Dopplerfoetusplacental hormonespre‐eclampsiautero‐placental ischaemia

More Related Videos

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
07:51

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

Published on: September 26, 2018

8.0K
Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective
13:57

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective

Published on: July 1, 2015

13.1K

Related Experiment Videos

Last Updated: Jan 23, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K
Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
07:51

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

Published on: September 26, 2018

8.0K
Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective
13:57

Assessing the Multiple Dimensions of Engagement to Characterize Learning: A Neurophysiological Perspective

Published on: July 1, 2015

13.1K

Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Perinatal Health

Background:

  • Pre-eclampsia is a major cause of maternal and infant mortality.
  • Understanding its pathogenesis is crucial for developing interventions.
  • Two distinct mechanisms, absolute and relative utero-placental ischemia, are implicated in early- and late-onset pre-eclampsia, respectively.

Purpose of the Study:

  • To elucidate the pathogenic mechanisms of early- and late-onset pre-eclampsia.
  • To explore advancements in prediction, screening, and intervention strategies.
  • To highlight the importance of early detection and targeted management.

Main Methods:

  • Investigating maternoplacental circulation and placental hormones in first and second trimesters for screening.
  • Utilizing low-dose aspirin prophylaxis before 16 weeks' gestation for high-risk first-trimester pregnancies.
  • Employing cardiac Doppler, multi-vessel fetal Doppler, and biomarkers in the third trimester for outcome prediction.

Main Results:

  • Early screening identifies high-risk pregnancies for targeted interventions.
  • First-trimester screening allows for prophylactic low-dose aspirin, significantly reducing severe early-onset pre-eclampsia.
  • Second-trimester screening enables focused management strategies.
  • Third-trimester assessments predict adverse outcomes and guide delivery timing.

Conclusions:

  • Advances in understanding pre-eclampsia pathogenesis have improved prediction and screening.
  • Early identification and intervention, such as low-dose aspirin, can substantially reduce severe disease.
  • Continued research into this condition promises further prophylactic and therapeutic breakthroughs.