Featured Research

from universities, journals, and other organizations

Understanding binge eating, obesity connection

Date:
March 19, 2014
Source:
Journal of Visualized Experiments (JOVE)
Summary:
A new method for evaluating the treatment of obesity-related food behavior has been uncovered by researchers. "We present alternative ways of exploring attitudes to food by using indirect, objective measures -- such as measuring the amount of energy exerted to obtain or view different foods, as well as determining brain responses during the anticipation and consumption of desirable foods," said the lab's principal investigator.

In this image, researchers prepare a grip-force measurement task that will take place within an MRI scanner so that the participant's neural activity can be examined.
Credit: JoVE

Researchers at the University of Cambridge have developed a novel method for evaluating the treatment of obesity-related food behavior. In an effort to further scientific understanding of the underlying problem, they have published the first peer-reviewed video of their technique in JoVE, the Journal of Visualized Experiments.

Related Articles


In the video, the authors demonstrate their means of objectively studying the drivers and mechanisms of overconsumption in humans. To do this, they assesses their subject's willingness to work or pay for food, and they simultaneously track the corresponding brain activity using an MRI scanner.

"We present alternative ways of exploring attitudes to food by using indirect, objective measures -- such as measuring the amount of energy exerted to obtain or view different foods, as well as determining brain responses during the anticipation and consumption of desirable foods," said the lab's principal investigator, Dr. Paul Fletcher. He and his colleagues use participant hand-grip intensity (referred to as "grip force" in the video) to calculate the motivation for a given food reward.

According to Dr. Fletcher, typical approaches for evaluating anti-obesity type drugs rely on more subjective methods -- like having test subjects self-report their ratings of hunger and cravings.

"When a person is asked how much they subjectively desire a food, they may feel pressured to give a 'correct' rather than a true answer," said Dr. Fletcher, "[Our] grip force task may, under certain circumstances, present a more accurate reflection of what they really want."

Dr. Fletcher and his colleagues brought the technique to JoVE after using it in their earlier publication, "Food images engage subliminal motivation to seek food," published in 2011. They decided to publish a video capturing the protocol "Because it offered the opportunity to demonstrate the methods more fully," he said.

In the video, Dr. Fletcher expands on the purpose of publishing the method with JoVE. "Individuals new to the technique may struggle because there aren't many examples of grip-force tasks published in the literature, and there are no full and clear descriptions of how to design and set up the tasks," he said.

With rising concerns surrounding obesity, researchers can use the technique presented in the JoVE video to determine the efficacy of a potential emerging market in anti-obesity medicine.

The video can be accessed at: http://www.jove.com/video/51281/studying-food-reward-and-motivation-in-humans


Story Source:

The above story is based on materials provided by Journal of Visualized Experiments (JOVE). Note: Materials may be edited for content and length.


Journal Reference:

  1. Ziauddeen, H., Subramaniam, N., Cambridge, V. C., Medic, N., Farooqi, I. S., Fletcher, P. C. Studying Food Reward and Motivation in Humans. J. Vis. Exp, March 2014 DOI: 10.3791/51281

Cite This Page:

Journal of Visualized Experiments (JOVE). "Understanding binge eating, obesity connection." ScienceDaily. ScienceDaily, 19 March 2014. <www.sciencedaily.com/releases/2014/03/140319093751.htm>.
Journal of Visualized Experiments (JOVE). (2014, March 19). Understanding binge eating, obesity connection. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2014/03/140319093751.htm
Journal of Visualized Experiments (JOVE). "Understanding binge eating, obesity connection." ScienceDaily. www.sciencedaily.com/releases/2014/03/140319093751.htm (accessed November 28, 2014).

Share This


More From ScienceDaily



More Mind & Brain News

Friday, November 28, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Tryptophan Isn't Making You Sleepy On Thanksgiving

Tryptophan Isn't Making You Sleepy On Thanksgiving

Newsy (Nov. 27, 2014) — Tryptophan, a chemical found naturally in turkey meat, gets blamed for sleepiness after Thanksgiving meals. But science points to other culprits. Video provided by Newsy
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) — A new study links greater authority with increased depressive symptoms among women in the workplace. Video provided by Newsy
Powered by NewsLook.com
Winter Can Cause Depression — Here's How To Combat It

Winter Can Cause Depression — Here's How To Combat It

Newsy (Nov. 23, 2014) — Millions of American suffer from seasonal depression every year. It can lead to adverse health effects, but there are ways to ease symptoms. Video provided by Newsy
Powered by NewsLook.com
Could Your Genes Be The Reason You're Single?

Could Your Genes Be The Reason You're Single?

Newsy (Nov. 21, 2014) — Researchers in Beijing discovered a gene called 5-HTA1, and carriers are reportedly 20 percent more likely to be single. 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