Monday, July 11, 2011

Analyzing the Videos: Drawing a Line in the Dirt

Once all of the arena zones are drawn, it's time to analyze the video in Ethovision. This is the easiest step by far. Simply put, I import the video into Ethovision, make sure that the detection setting are set so that the program recognizes the toad as the 'subject', and I click 'record'. Then I wait for an hour! :) The program is very cool, it traces the path of the toad and analyzes all sorts of information about it. Here's a picture of a path from a food toad's 1st trial in the arena:

And here's a picture of the path of the same toad during the 6th trial:

What kind of differences do you notice about the path that this toad took? Does it look like he visited any of the food bowls? Can you tell if he ate any of the food? 

After you make your predictions, watch the video of the 6th trial below. The trial is sped up to 10x the normal speed so you won't have to watch an hour of a toad exploring (like I do!). 

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