Category Archives: Experiments

Why is Matlab for Mac so slow? (updated)

Posted on November 30, 2008 by

Here’s a puzzling benchmark: Matlab (R2008b) for Mac running some simulations of a two joint arm: Elapsed time is 0.484791 seconds. Elapsed time is 0.477484 seconds. Elapsed time is 0.491041 seconds. Elapsed time is 0.476409 seconds. Elapsed time is 0.474154 … Continue reading →

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High Performance Computing in the Cloud (Amazon EC2 and Matlab)

Posted on November 27, 2008 by

In addition to their cloud storage service S3, Amazon also has a service called EC2 (Amazon Elastic Compute Cloud), which is essentially virtualization of computing nodes, in the cloud. In plain english this means that one can replicate any number (e.g. 100, … Continue reading →

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Observation Orientation and Motor Learning

Posted on November 11, 2008 by

Hey all, Just thought I’d share what I’m up to with my project so far. I’m looking at motor learning by observation as a follow up to the study done by Dr. Gribble and A. Mattar (2005). More specifically, I … Continue reading →

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Left hand, right hand, one hand, two hands?

Posted on October 30, 2008 by

My (Elizabeth’s) current project has been to map out somatosensation (i.e. our sense of position) of the human arm across a horizontal workspace.  Is a somatosensory fovea (an area of the workspace where we are more sensitive to our hand’s … Continue reading →

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Is Motor Control harder than Checkers?

Posted on October 28, 2008 by

One of the projects we are currently pursuing is to explore the relationship between energetic cost of arm movements and the movements we choose to make. To reach to an object in space, there are an infinite number of potential … Continue reading →

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