Progress Report 1/8/15

Brain Wave Team: Andres & Ryan

Progress:

This week we focused on building the application. We’ve been trying really hard to figure out how to split the frequencies up into alpha, beta, gamma, etc. but it has been figured out.  In the Acquisition server, there is a tab for driver properties. The properties have a selection for “Power (8 Channel)” which splits the frequencies by utilizing:

Acquisition Server → Temporal Filter → Spectral Analysis → Signal Display

Upon building the visual program, we stumbled across “Matrix Display”. Matrix Display, unlike signal display, gave the numerical values we needed to implement further development. Getting the numbers from the raw data would allow us to export numbers into a file (.CSV) and use the data for further application.

Now that we have the data, we can undergo different experiments, such as testing out different types of music on someone using MindWave. With the data from each test, we hope to find something that stands out (ex: spike) so we can use that as a reference.

We’ve also been writing an email to Emotiv because they have a new device that is very promising and has many more outputs than MindWave. The email looks as such:

Hi, My name is Andres Daza and I'm a high school senior from Eleanor Roosevelt High School in New York City. I'm in a class called Advanced STEM Research and my group is working on biofeedback technology using MindWave. So far, we haven't been satisfied with the device, and believe that your new device, Insight, is very promising and would allow us to further our research. We would really appreciate it if you could send us an evaluation prototype strictly for our research. 

Problem/Solutions:

We still need to find a way to export the file. We hope that by looking through more tutorials, and experimenting more with OpenVibe, we'll successfully find a way to export the file. Every time we play around with OpenVibe, we discover new things. For example, we recently discovered a tool that allows to define stimulation. Say I define stimulation as being an alpha wave with Amplitude>5, which essentially filters out a set trait or quality can be used to write a program.                                    

Application and Coding Team: Sebastian & Esteban

Progress:

Before the break started, we decided to change the platform of where we were going to work on the app. At first we were working on X-Code and using Objective-C. This became a problem since we are not familiar with the language and the language itself became harder to understand. So we have now changed to using Eclipse which uses Java as the language. Java is not only easier to understand but Vasil and Gui have made themselves available for us as well. With this change we are hoping to understand more thoroughly and quickly the application that comes with the MindWave headset.

Problems and Plans:

The only problem that we’ve faced is being able to open the file of the android thinkgear directly on eclipse. We may have fixed this issue by finding a way to bypass the way you open the file. The problem we seem to be facing now is being able to start the application on an android phone. Right now that is what we’re working on and we plan to be able to do it by next Thursday.