Featured Research

from universities, journals, and other organizations

Thinking Crickets: 'Cognitive' Processes Underlie Memory Recall In Crickets

Date:
August 5, 2009
Source:
BioMed Central
Summary:
Activation of two different kinds of neurons is necessary for appetitive and aversive memory recall in crickets. Researchers blocked octopaminergic (OA-ergic) and dopaminergic (DA-ergic) transmission and found that this resulted in the inability to recall pleasant and unpleasant memories, respectively.

Activation of two different kinds of neurons is necessary for appetitive and aversive memory recall in crickets. Researchers blocked octopaminergic (OA-ergic) and dopaminergic (DA-ergic) transmission and found that this resulted in the inability to recall pleasant and unpleasant memories, respectively.

Makoto Mizunami (now at Hokkaido University, Japan) led a team of researchers from Tohoku University, Japan, who carried out the tests. He said, "This is the first study to suggest that classical conditioning in insects involves neural mediation between an originally neutral stimulus and a pleasant or unpleasant stimulus and the activation of these neural responses for memory recall. Such neural responses are often called cognitive processes in classical conditioning in higher vertebrates".

Mizunami and his colleagues previously reported that, in crickets, OA-ergic neurons and DA-ergic neurons convey signals about reward and risk, respectively. In this report, they found that blockers of synaptic transmission from OA-ergic and DA-ergic neurons prevented the insects from recalling which stimuli were related to the reward, and, therefore, could be approached, and which stimuli were related to the risk, so should be avoided. According to Mizunami, "These findings are not consistent with conventional neural models of classical conditioning in insects. Instead, we suggest that the cognitive account of classical conditioning proposed for higher vertebrates is applicable to insects".


Story Source:

The above story is based on materials provided by BioMed Central. Note: Materials may be edited for content and length.


Journal Reference:

  1. Makoto Mizunami, Sae Unoki, Yasuhiro Mori, Daisuke Hirashima, Ai Hatano and Yukihisa Matsumoto. Roles of octopaminergic and dopaminergic neurons in appetitive and aversive memory recall in an insect. BMC Biology (, (in press)

Cite This Page:

BioMed Central. "Thinking Crickets: 'Cognitive' Processes Underlie Memory Recall In Crickets." ScienceDaily. ScienceDaily, 5 August 2009. <www.sciencedaily.com/releases/2009/08/090803193645.htm>.
BioMed Central. (2009, August 5). Thinking Crickets: 'Cognitive' Processes Underlie Memory Recall In Crickets. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2009/08/090803193645.htm
BioMed Central. "Thinking Crickets: 'Cognitive' Processes Underlie Memory Recall In Crickets." ScienceDaily. www.sciencedaily.com/releases/2009/08/090803193645.htm (accessed April 16, 2014).

Share This



More Mind & Brain News

Wednesday, April 16, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Are School Dress Codes Too Strict?

Are School Dress Codes Too Strict?

AP (Apr. 16, 2014) Pushing the limits on style and self-expression is a rite of passage for teens and even younger kids. How far should schools go with their dress codes? The courts have sided with schools in an era when school safety is paramount. (April 16) Video provided by AP
Powered by NewsLook.com
Cognitive Function: Is It All Downhill From Age 24?

Cognitive Function: Is It All Downhill From Age 24?

Newsy (Apr. 15, 2014) A new study out of Canada says cognitive motor performance begins deteriorating around age 24. Video provided by Newsy
Powered by NewsLook.com
App Fights Jet Lag With The Power Of Math

App Fights Jet Lag With The Power Of Math

Newsy (Apr. 13, 2014) Researchers at the University of Michigan have designed an app to fight jet lag by adjusting your body's light intake. Video provided by Newsy
Powered by NewsLook.com
Treatment Gaps Endangering Cops, Mentally Ill

Treatment Gaps Endangering Cops, Mentally Ill

AP (Apr. 10, 2014) As states slash funding for mental health services, police officers are interacting more than ever with people suffering from schizophrenia and other serious disorders of the mind. The consequences can be deadly. (April 10) Video provided by AP
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:
from the past week

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