Featured Research

from universities, journals, and other organizations

Human Brain Operates Differently In Deception And Honesty, University Of Pennsylvania Researchers Report

Date:
November 13, 2001
Source:
University Of Pennsylvania Medical Center
Summary:
Researchers at the University of Pennsylvania School of Medicine have found that telling a lie and telling the truth require different activities in the human brain. The findings will be presented Tuesday, Nov. 13, at the national meeting of the Society for Neuroscience in San Diego, CA. By identifying the brain activity associated with deception and denial, the work paves the way for improvements in lie-detection techniques.

Researchers at the University of Pennsylvania School of Medicine have found that telling a lie and telling the truth require different activities in the human brain.

Related Articles


The findings will be presented Tuesday, Nov. 13, at the national meeting of the Society for Neuroscience in San Diego, CA. By identifying the brain activity associated with deception and denial, the work paves the way for improvements in lie-detection techniques.

It may also contribute to the field of psychotherapy by advancing understanding of what happens to the brain during the those psychological processes, said Daniel Langleben, MD, leader of the study and assistant professor in Penn's Department of Psychiatry.

In the study, Landgleben and his colleagues used functional magnetic resonance imaging (fMRI) to track brain activity in 18 volunteers who were subjected to an interrogation method known as the Guilty Knowledge Test.

The volunteers were provided with an envelope containing the five-of-clubs playing card and told to hide it in their pockets without divulging what card they held. They were then placed within an MRI scanner and "interrogated" by a computer that showed them a series of playing cards accompanied by the question, "Do you have this card?" The volunteers were directed to denying they held the five-of-clubs when a picture of it came up.

"Sections of the brain that exercises a significant role in how humans pay attention, and monitor and control errors (the anterior cingulate gyrus and parts of the prefrontal and premotor cortex), were, on average, more active in the volunteers when they were lying than when they were telling the truth," Langleben said. "If truth was the brain's normal 'default' response, then lying would require increased brain activity in the regions involved in inhibition and control.

"The results indicated that since fMRI is a more direct measure of brain activity than the method currently used in lie detection (the polygraph) it may have advantages over this technique," he said.

Langleben said he believes the research should be expanded to incorporate larger numbers of individuals from various language and demographic groups, in order to establish a broad base for comparisons.

He believes such studies could lead to new methods in lie detection, one of which might rely on fMRI results "as a 'gold standard' to validate findings of truth or falsehood based on other methods." He will discuss the findings on Sunday at a society-sponsored press conference that will feature the recent fMRI work of four internationally recognized research teams.

Others who worked with Langleben are Ruben Gur, PhD; Ann Rose Childress, PhD; Charles O'Brien, MD, PhD; Joseph Maldjian, MD, and research assistants Lee Schroeder and Scott McDonald, all of Penn's Department of Psychiatry.

The study was funded through the Department of Psychiatry.


Story Source:

The above story is based on materials provided by University Of Pennsylvania Medical Center. Note: Materials may be edited for content and length.


Cite This Page:

University Of Pennsylvania Medical Center. "Human Brain Operates Differently In Deception And Honesty, University Of Pennsylvania Researchers Report." ScienceDaily. ScienceDaily, 13 November 2001. <www.sciencedaily.com/releases/2001/11/011112073302.htm>.
University Of Pennsylvania Medical Center. (2001, November 13). Human Brain Operates Differently In Deception And Honesty, University Of Pennsylvania Researchers Report. ScienceDaily. Retrieved February 26, 2015 from www.sciencedaily.com/releases/2001/11/011112073302.htm
University Of Pennsylvania Medical Center. "Human Brain Operates Differently In Deception And Honesty, University Of Pennsylvania Researchers Report." ScienceDaily. www.sciencedaily.com/releases/2001/11/011112073302.htm (accessed February 26, 2015).

Share This


More From ScienceDaily



More Mind & Brain News

Thursday, February 26, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Sleeping Too Much Or Too Little Might Increase Stroke Risk

Sleeping Too Much Or Too Little Might Increase Stroke Risk

Newsy (Feb. 26, 2015) People who sleep more than eight hours per night are 45 percent more likely to have a stroke, according to a University of Cambridge study. Video provided by Newsy
Powered by NewsLook.com
Mayor Says District of Columbia to Go Ahead With Pot Legalization

Mayor Says District of Columbia to Go Ahead With Pot Legalization

Reuters - News Video Online (Feb. 25, 2015) Washington&apos;s mayor says the District of Columbia will move forward with marijuana legalization, despite pushback from Congress. Rough Cut (no reporter narration). Video provided by Reuters
Powered by NewsLook.com
Marijuana Nowhere Near As Deadly As Alcohol: Study

Marijuana Nowhere Near As Deadly As Alcohol: Study

Newsy (Feb. 25, 2015) A new study says marijuana is about 114 times less deadly than alcohol. Video provided by Newsy
Powered by NewsLook.com
Researchers Replace Damaged Hands With Prostheses

Researchers Replace Damaged Hands With Prostheses

Newsy (Feb. 25, 2015) Scientists in Austria have been able to fit patients who&apos;ve lost the use of a hand with bionic prostheses the patients control with their minds. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins