Related Experiment Video
Updated: Aug 9, 2026

07:36
An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
Published on: May 3, 2016
The making of "truth serum"
1University of Chicago, Illinois 60637, USA. awinter@uchicago.edu
Bulletin of the History of Medicine
|September 27, 2005
Summary
This study explores the social history of "truth serum" in 1920s-30s America. It reveals how this scientific-seeming technique offered public access to expertise and shaped modern views on memory and recall.
Area of Science:
- History of Science
- Psychology
- Sociology
Background:
- Examines the social and cultural history of
- truth serum
- in America during the 1920s and 1930s.
Observation:
- The concept of a physiological
- truth technique
- emerged, appearing modernly scientific yet accessible to the public.
Findings:
- Truth serum provided perceived expertise without diminishing lay authority.
- It promoted a view of memory as a permanent, accessible record through altered states.
Implications:
- This perspective on memory diverged from contemporary psychological research.
- It laid the groundwork for later claims about memory permanence and scientific recall.
Related Concept Videos
Ethics in Research
Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
The Stanford Prison Experiment
The famous and controversial Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo and his colleagues at Stanford University, demonstrated the power of social roles, social norms, and scripts.
Milgram's Obedience to Authority
Obedience to authority is classically demonstrated in a more famous series of social psychology experiments performed by Stanley Milgram. He was a social psychology professor at Yale who was influenced by the trial of Adolf Eichmann, a Nazi war criminal. Eichmann’s defense for the atrocities he committed was that he was “just following orders.”
Sublimation
Sublimation is the direct transformation of a solid to a gaseous state. For instance, at standard pressure and room temperature, solid carbon dioxide sublimes to gaseous carbon dioxide. The phase diagram depicts the conditions required for sublimation. This process occurs at the solid-gas phase boundary and is not observed above the triple point of the substance. The reverse of sublimation is called deposition, where a gaseous substance condenses directly into a solid. Sublimation and...
False Memories
False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
Understanding Deception
Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...

