Search found 3 matches

by jaycode
Tue Nov 05, 2019 2:44 pm
Forum: Mind Monitor
Topic: Understanding the unit of measurement used on the Chart
Replies: 18
Views: 7853

Re: Understanding the unit of measurement used on the Chart

I do average the four sensors. The above is run after that. It's just a linear scaling function to convert from a -1:+1 range to a more understandable 0:100 range. The reason for this, is that it's just more understandable for the laymen when given numbers that go from 0 to 100. The units are bels....
by jaycode
Tue Nov 05, 2019 12:50 pm
Forum: Mind Monitor
Topic: Understanding the unit of measurement used on the Chart
Replies: 18
Views: 7853

Re: Understanding the unit of measurement used on the Chart

Ah, got it, thank you for your explanation. By the way, I am looking to reproduce the research in this paper: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2014000900687&lng=en&nrm=iso&tlng=en But the paper uses microvolts squared/Hz (μV^2/Hz) as its units of measu...
by jaycode
Tue Nov 05, 2019 8:44 am
Forum: Mind Monitor
Topic: Understanding the unit of measurement used on the Chart
Replies: 18
Views: 7853

Understanding the unit of measurement used on the Chart

First of all, thank you for the amazing app. I have purchased three copies to help with my research. On the chart, the absolute average of all four items is calculated with the following function: function scaleBrainwaves(value){ return (value+1)*50; } May I know the reasoning behind this calculatio...