INTELLIGENCE MAZE-SOLVING BY AN AMOEBOID ORGANISM PDF

Title: Intelligence: Maze-solving by an amoeboid organism. Authors: Nakagaki, Toshiyuki; Yamada, Hiroyasu; Tóth, Ágota. Affiliation: AA(Local Spatio-Temporal . The plasmodium of the slime mould Physarum polycephalum is a large amoeba- like cell consisting of a dendritic network of tube-like structures (pseudopodia). Author(s): Toshiyuki Nakagaki (corresponding author) [1, 2]; Hiroyasu Yamada [1, 2, 3]; Ágota Tóth [4] The plasmodium of the slime mould Physarum.

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If the Physarum polycephalum organism is chopped up and dropped into a labyrinth a mazethey put themselves back together and start to move. This video shows how the slime mold Physarum polycephalum can find the shortest distance through a maze. Buy Project Supplies from. Show Others Like This. Beyond basic research, biologists might also apply their research and create new biotechnology.

File:Slime mold solves – Wikimedia Commons

Despite their unappealing name, slime molds are fascinating and, for some observers, beautiful organisms. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License.

The original description page was here. Make the diaphragm small and focus on the bright yellow veins. Showing of extracted citations.

Establish a culture of Physarum polycephalum and determine if it can find the shortest distance oganism two food sources in a maze. In this plasmodial stage, Physarum polycephalum is a bright yellow glistening mass that can grow to more than a foot across. Share your story with Science Buddies! For health and safety reasons, science fairs regulate what kinds of biological materials can be used in science fair projects.

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It goes into a kind of dry, dormant state, called sclerotium from which it can revive itself if it becomes moist. Does the streaming change at various times during the course of the experiment?

Physarum Mazes animal cognition. Maze-solving by an amoeboid organism “.

Toshiyuki Nakagaki – Google Scholar Citations

From Wikimedia Commons, the free media repository. Independent confirmation of results is a common and important practice in science. Overall, how would you rate the quality of inteligence project? Caption for picture characters left.

Maze-solving by an amoeboid organism.

Determine the lengths between the food sources for all possible connecting routes. Materials and Equipment Note: Blue lines indicate the shortest paths between two agar blocks containing nutrients: With a name like slime mold, it’s wn that you would expect these organisms to be ugly and disgusting. Try one of our science activities for quick, anytime science explorations. Is it the minimal distance possible to connect the food sources? Variations Try other amoeobid designs.

The mold yellow explored and filled the maze left. TsompanasNikolaos I.

Intelligence: Maze-solving by an amoeboid organism

In a way, it “solved” the puzzle of finding the shortest path through the maze! They form colorful gliding masses as they creep over decaying wood and leaves. How do plants respond to ultraviolet light?

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Our top priority is student learning. When the researchers placed sugar red at 2 separate points, the mold concentrated most of its mass there intellifence left only the most efficient connection between the two points. Introduction With a name like slime mold, it’s understandable that you would expect these organisms inelligence be ugly and disgusting. For example, you could try printing the maze on the filter paper directly, then coloring in the maze with crayons or other material the Physarum polycephalum will not grow over.

Proceeds from the affiliate programs help support Science Buddies, a c 3 public charity, and keep our resources free for everyone. You may print and distribute up to copies mze-solving this document annually, at no charge, for personal and classroom educational use.

Keep in mind as you evaluate how many materials you will need that you will be running at least six trials of this experiment, and they can maze-soolving run concurrently. In some countries this may not be legally possible; if so: