. Earth Science News .

Brain capacity limits exponential online data growth
by Staff Writers
Frankfurt, Germany (SPX) Feb 10, 2012

Illustration only.

Scientists have found that the capacity of the human brain to process and record information - and not economic constraints - may constitute the dominant limiting factor for the overall growth of globally stored information. These findings have just been published in an article in EPJ B by Claudius Gros and colleagues from the Institute for Theoretical Physics at Goethe University Frankfurt in Germany.

The authors first looked at the distribution of 633 public internet files by plotting the number of videos, audio and image files against the size of the files. They gathered files which were produced by humans or intended for human use with the spider file search engine Findfiles.net.

They chose to focus on files which are hosted on domains pointing from the online encyclopaedia Wikipedia and the open web directory dmoz. Assuming that economic costs for data production are proportional to the amount of data produced, these costs should be driving the generation of information exponentially.

However, the authors found that, in fact, economic costs were not the limiting factors for data production. The absence of exponential tails for the graph representing the number of files indicates this conclusion.

They found that underlying neurophysiological processes influence the brain's ability to handle information. For example, when a person produces an image and attributes a subjective value to it, for example, a given resolution, he or she is influenced by his or her perception of the quality of that image.

Their perception of the amount of information gained when increasing the resolution of a low-quality image is substantially higher than when increasing the resolution of a high-quality photo by the same degree. This relation is known as the Weber-Fechner law.

The authors observed that file-size distributions obey this Weber-Fechner law. This means that the total amount of information cannot grow faster than our ability to digest or handle it.

Related Links
Goethe University
All About Human Beings and How We Got To Be Here

Get Our Free Newsletters Via Email
Buy Advertising Editorial Enquiries


. Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

Cutting-edge MRI techniques for studying communication within the brain
New Rochelle NY (SPX) Feb 09, 2012
Innovative magnetic resonance imaging (MRI) techniques that can measure changes in the microstructure of the white matter likely to affect brain function and the ability of different regions of the brain to communicate are presented in an article in the groundbreaking new neuroscience journal Brain Connectivity, a bimonthly peer-reviewed publication from Mary Ann Liebert, Inc.. The article is av ... read more

Top US general meets Egypt's Tantawi amid NGOs row

Bird numbers drop around Fukushima

Japan passes $33 bln fourth extra budget

UN aims for major cut in peacekeeping bill

Russia to build powerful laser facility

Northrop Grumman Delivers 25,000th Electro-Optic Laser System to U.S. Army

Iran Launches New Home-Made Satellite into Orbit

Ailing Kodak shutters its camera operations

Google Earth Ocean Terrain Receives Major Update

Heat and cold damage corals in their own ways

UNH Ocean Scientists Shed New Light on Mariana Trench

Hundreds of dead dolphins wash ashore in Peru

CU-Boulder study shows global glaciers, ice caps, shedding billions of tons of mass annually

Putin receives 'prehistoric' water from Antarctic lake

Himalayan meltdown not so fast after all: study

First plants caused ice ages

Valentine's flowers inspected for pests

Chinese snap up Aussie vines in hunt for top drop

Miami battling invasion of giant African snails

Romania's incoming agriculture minister slammed for GM links

Tree rings may underestimate climate response to volcanic eruptions

Chile to prosecute workers over lack of tsunami warning

Death toll in Philippine quake rises to 39

N.Z. quake building was sub-standard: probe

Inter-ethnic fighting displaces 40,000 in Kenya

Mali army tries to fend off Tuareg rebels as crisis grows

Chinese, Russian arms fuel Darfur abuse: Amnesty

Explosion rocks military barracks in northern Nigeria

Neanderthal demise due to many influences, including cultural changes

Why the brain is more reluctant to function as we age

Cutting-edge MRI techniques for studying communication within the brain

Entire genome of extinct human decoded from fossil

Memory Foam Mattress Review

Newsletters :: SpaceDaily Express :: SpaceWar Express :: TerraDaily Express :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News


The content herein, unless otherwise known to be public domain, are Copyright 1995-2012 - Space Media Network. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement