Related Experiment Video
Updated: Jan 27, 2026

08:45
Polygraphic Recording Procedure for Measuring Sleep in Mice
Published on: January 25, 2016
25.2K
Post-conviction polygraph testing of sex offenders
Don Grubin1, Maxim Kamenskov2, R Gregg Dwyer3
1a Newcastle University , Newcastle upon Tyne , UK.
Summary
Post-conviction polygraph testing of sex offenders (PCSOT) is widely used in the US and increasingly in the UK, but rarely elsewhere. This article examines PCSOT
Area of Science:
- Forensic Psychology
- Criminology
- Legal Psychology
Background:
- Post-conviction polygraph testing of sex offenders (PCSOT) is a prevalent practice in the United States.
- Its application is expanding in England and Wales, though it remains uncommon globally.
- This practice is often debated within legal and psychological communities.
Purpose of the Study:
- To provide a comprehensive overview of the nature and objectives of PCSOT.
- To review existing research on the efficacy and validity of PCSOT.
- To explore the controversies and ethical considerations surrounding its use.
Main Methods:
- Literature review of existing studies on PCSOT.
- Analysis of legal and psychological frameworks governing polygraph use.
- Examination of case law and professional guidelines.
Main Results:
- PCSOT aims to assess treatment compliance and risk reduction in sex offenders.
- Research on PCSOT efficacy yields mixed results, with debates on its predictive validity.
- Significant ethical and legal controversies persist regarding its application and interpretation.
Conclusions:
- PCSOT is a tool with potential utility but significant limitations and controversies.
- Further rigorous research is needed to establish its reliability and validity.
- The practice requires careful consideration of ethical implications and legal standards.
Related Concept Videos
Sex-linked Disorders
108.6K
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
108.6K
Primary Motives: Sleep, Sex, and Pain Avoidance
5.5K
Primary motives such as sleep, sex, and pain avoidance are crucial drivers of behavior in humans and animals. These motives ensure survival, reproductive success, and overall well-being by prompting actions that meet essential bodily needs.
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...
5.5K
Post-traumatic Stress Disorder
508
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
508
Testes: Histology
2.9K
A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...
The spermatogenic cells, responsible for producing sperm, are...
2.9K
Complementation Tests
6.1K
A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
6.1K
Post-translational Translocation of Proteins to the RER
7.6K
A sizable fraction of proteins destined for ER are first synthesized in the cell cytosol and then transported across the ER membrane–a process called post-translational translocation. Similar to cotranslationally translocated proteins, these proteins also use the Sec translocon complex to enter the ER lumen.
Targeting proteins to the ER
Hsp40 and Hsp70 chaperone molecules bind the translated proteins in the cytosol to prevent their folding. The chaperone binding helps to keep the signal...
Targeting proteins to the ER
Hsp40 and Hsp70 chaperone molecules bind the translated proteins in the cytosol to prevent their folding. The chaperone binding helps to keep the signal...
7.6K

