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Being in a good mood may lead to poor memory

Date:
March 31, 2011
Source:
University of Missouri-Columbia
Summary:
Most people have had trouble remembering something they just heard. Now, a researcher found that forgetfulness may have something to do with being in a good mood. She found that being in a good mood decreases your working memory capacity.

Most people have had trouble remembering something they just heard. Now, a University of Missouri researcher found that forgetfulness may have something to do with being in a good mood. Elizabeth Martin, a doctoral student of psychology in the College of Arts and Science, has found that being in a good mood decreases your working memory capacity.

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"Working memory, for example, is the ability to recall items in a conversation as you are having it," Martin said. "This explains why you might not be able to remember a phone number you get at a party when you are having a good time. This research is the first to show that positive mood can negatively impact working memory storage capacity. This shows that although systems in the brain are connected, it is possible to affect one process but not others."

Researchers gauged study participants' mood before and after showing them a video clip. Some participants were shown a segment of a stand-up comedy routine, while others watched an instructional video on how to install flooring. Following the videos, those that viewed the comedy routine were in significantly better moods after viewing the video, while the mood of those that viewed the flooring video had not changed.

After watching the videos, both groups completed a memory test. This test provides several numbers to a participant through headphones at a rate of four numbers per second. After the recording stopped, participants were asked to recall the last six numbers in order. Those that watched the comedy routine and were in a better mood performed significantly worse on the task.

"While working memory storage is decreased, being in a good mood is not all bad," Martin said. "Being in a good mood has been shown to increase creative problem-solving skills and other aspects of thinking." Martin said future research should analyze the impact of mood on working memory storage capacity in real life situations, such as a classroom setting.

The study was published earlier this year in the journal Cognition and Emotion. The research was funded by grants awarded to research advisor Associate Professor John Kerns from the National Institute of Mental Health, the National Institute of Drug Abuse and a grant from the MU Research Board.


Story Source:

The above story is based on materials provided by University of Missouri-Columbia. Note: Materials may be edited for content and length.


Journal Reference:

  1. Elizabeth Martin, John Kerns. The influence of positive mood on different aspects of cognitive control. Cognition & Emotion, 2011; 25 (2): 265 DOI: 10.1080/02699931.2010.491652

Cite This Page:

University of Missouri-Columbia. "Being in a good mood may lead to poor memory." ScienceDaily. ScienceDaily, 31 March 2011. <www.sciencedaily.com/releases/2011/03/110330131344.htm>.
University of Missouri-Columbia. (2011, March 31). Being in a good mood may lead to poor memory. ScienceDaily. Retrieved January 27, 2015 from www.sciencedaily.com/releases/2011/03/110330131344.htm
University of Missouri-Columbia. "Being in a good mood may lead to poor memory." ScienceDaily. www.sciencedaily.com/releases/2011/03/110330131344.htm (accessed January 27, 2015).

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