Navigation Links
Do fruit flies have free will?

Free will and true spontaneity exist ?in fruit flies. This is what scientists report in a groundbreaking study in the May 16, 2007 issue of the open-access journal PLoS ONE.

"Animals and especially insects are usually seen as complex robots which only respond to external stimuli," says senior author Björn Brembs from the Free University Berlin. They are assumed to be input-output devices. "When scientists observe animals responding differently even to the same external stimuli, they attribute this variability to random errors in a complex brain." Using a combination of automated behavior recording and sophisticated mathematical analyses, the international team of researchers showed for the first time that such variability cannot be due to simple random events but is generated spontaneously and non-randomly by the brain. These results caught computer scientist and lead author Alexander Maye from the University of Hamburg by surprise: "I would have never guessed that simple flies who otherwise keep bouncing off the same window have the capacity for nonrandom spontaneity if given the chance."

The researchers tethered fruit flies (Drosophila melanogaster) in completely uniform white surroundings and recorded their turning behavior. In this setup, the flies do not receive any visual cues from the environment and since they are fixed in space, their turning attempts have no effect. Thus lacking any input, their behavior should resemble random noise, similar to a radio tuned between stations. However, the analysis showed that the temporal structure of fly behavior is very different from random noise. The researchers then tested a plethora of increasingly complex random computer models, all of which failed to adequately model fly behavior.

Only after the team analyzed the fly behavior with methods developed by co-authors George Sugihara and Chih-hao Hsieh from the Scripps Institution of Oceanography at UC San Diego did they realize the origin of t
'"/>

Source:Public Library of Science


Page: 1 2

Related biology news :

1. Master gene controls healing of skin in fruit flies and mammals
2. UI researcher studies deafness in fruit flies, humans
3. Gap-climbing fruit flies reveal components of goal-driven behaviors
4. Hormones and growth: The control of body size and developmental growth rate in fruit flies
5. Aloe vera coating may prolong freshness, safety of fruits and vegetables
6. Hanging baskets of sex and death help fruit growers
7. Researchers find gland that tells fruit flies when to stop growing
8. Past experience of pheromones induces dominant courtship behavior in fruit flies
9. A resetting signal keeps circadian rhythm on track in Drosophila fruit flies
10. Drunken elephants: The marula fruit myth
11. UCSD study finds anthrax toxins also harmful to fruit flies
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: fruit flies have free will

(Date:9/22/2014)... fires captured in this image burn in Khabarovsk Krai, a ... of red hotspots, accompanied by plumes of smoke mark active ... to the east towards the Sea of Okhotsk. ... area, swampy forest inhabit the central depression, and deciduous forests ... wildfires are common in Russia in the summer, the 2014 ...
(Date:9/22/2014)... to global warming, larger and larger areas of sea ice ... over in the winter it is thinner and more reduced. ... an acceleration of global warming, because reduced sea ice in ... scientists report. , "If our results are representative, then sea ... take this into account in future global CO2 budgets", says ...
(Date:9/21/2014)... September 22, 2014The story of cowpea (black-eyed peas) is ... world,s biggest problemseven more fascinating is the story of ... wrote Cowpea: The Food Legume of the 21st Century ... management, and use. The book was recently published by ... International Institute of Tropical Agriculture (IITA). , Singh has ...
Breaking Biology News(10 mins):Arctic sea ice helps remove CO2 from the atmosphere 2
... MADISON, WI, JULY 21, 2011 -- Surface water quality ... as well as human needs and recreation. Pasturelands have ... and pathogens in Midwest surface water resources. While poor ... is known about the specific amount of pollution in ...
... program developed by a Penn State synthetic biologist could ... turn bacteria into molecular factories, capable of producing everything ... engineer designs a plane or a car," said Howard ... and chemical engineering. "When designing a biological organism, there ...
... When competing for food and resources, bacteria employ elaborate strategies ... a pathway that allows disease-causing bacteria to attack other bacterial ... aeruginosa is a type of bacteria readily found in ... of settings, including medical devices, body organs and skin wounds. ...
Cached Biology News:Grazing management effects on stream pollutants 2Software helps synthetic biologists customize protein production 2
(Date:9/23/2014)... Sept. 23, 2014 News Facts ... India devoted to genome-based research for human health ... is taking a bite out of oral cancer with ... in India with the help of ... DataDirect Networks (DDN). , To fuel its cutting-edge cancer ...
(Date:9/23/2014)... Cambridge Semantics, the leading provider of Smart Data ... the recent ‘Hype Cycle for Life Sciences 2014 ’ ... key insights pertaining to the benefits in the knowledge ... Shanler and Stephen Davies, “The use of these systems ... scientific stakeholders, and support collaboration and innovation strategies as ...
(Date:9/23/2014)... Austin, TX (PRWEB) September 23, 2014 ... newest fertility clinic in South Austin, expanding a Central ... Austin and San Antonio. The satellite office for the ... and andrology options to the South Austin, Buda, Kyle ... bring effective and affordable fertility treatment directly to individuals ...
(Date:9/23/2014)... (PRWEB) September 23, 2014 ... the globe will convene at the Society ... to be held October 26-28 in Houston, ... research and practice in individualized integrative cancer ... researchers, nurses, psychologists, nutritionists, naturopaths, acupuncturists, and ...
Breaking Biology Technology:National Institute of Biomedical Genomics (NIBMG) Deploys DataDirect Networks Storage to Achieve Significant Performance Improvement in World-Class Genomics Research and Collaboration for Oral Cancer 2National Institute of Biomedical Genomics (NIBMG) Deploys DataDirect Networks Storage to Achieve Significant Performance Improvement in World-Class Genomics Research and Collaboration for Oral Cancer 3National Institute of Biomedical Genomics (NIBMG) Deploys DataDirect Networks Storage to Achieve Significant Performance Improvement in World-Class Genomics Research and Collaboration for Oral Cancer 4National Institute of Biomedical Genomics (NIBMG) Deploys DataDirect Networks Storage to Achieve Significant Performance Improvement in World-Class Genomics Research and Collaboration for Oral Cancer 5Cambridge Semantics Identified in Gartner’s ‘Hype Cycle for Life Sciences 2014’ Report 2Opening Doors to a Family: Texas Fertility Center Announces Newest Fertility Clinic in South Austin 2Opening Doors to a Family: Texas Fertility Center Announces Newest Fertility Clinic in South Austin 3International Medical Experts to Discuss Latest Integrative Oncology Research and Its Translation to Personalized Clinical Care at 11th International Conference of SIO 2International Medical Experts to Discuss Latest Integrative Oncology Research and Its Translation to Personalized Clinical Care at 11th International Conference of SIO 3
... ABR-Affinity,BioReagents, a leading global antibody manufacturer, ... agreement with Osenses Pty. Ltd., an,Australian-based manufacturer ... extensive portfolio of 100% quality guaranteed research,antibodies, ... Osenses products in the,U.S., Europe and Canada., ...
... alternative bearing surface components, boosting growth, according to ... ... Millennium Research Group (MRG),estimates that the US large-joint reconstructive ... Orthopedic Reconstructive Marketrack(TM),indicates that an uptake in higher-priced products, such ...
... March 3 WaferGen Biosystems,Inc. (OTC Bulletin Board: ... cell biology and stem cell research systems,today announced ... management,team. Kumar Kastury, Ph.D., director of assay development, ... and John McEntee, director,of engineering, has been promoted ...
Cached Biology Technology:ABR-Affinity BioReagents Finalizes Agreement for Distribution of Osenses Antibodies in the U.S., Canada and Europe 2US Large-Joint Reconstructive Implant Market Grew 10% in 2007 2WaferGen Announces Management Team Promotions 2WaferGen Announces Management Team Promotions 3WaferGen Announces Management Team Promotions 4
Purified anti-DNA-PKcs Phosphorylated (Thr2609)...
Peptide-affinity Purified Polyclonal Antibody to Histamine H2 Receptor...
NF kappa B Related Sampler Kit 10g each...
Co-precipitant is free of background polynucleotides,Dnases,Rnases, proteases. 20mg/ml...
Biology Products: