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Questions tagged [eeg]

Electroencephalography (EEG) is the recording of the brain's spontaneous electrical activity electrical activity from multiple electrodes placed on the scalp.

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11
votes
7answers
11k views

Are brain waves electromagnetic waves?

Depending upon its activity, the brain emits waves, which represent the summation of individual neurons firing. Are these waves electromagnetic waves?
6
votes
4answers
856 views

Getting started with EEG data

I want to get started with getting signals from EEG and learning on how I can read data. I have some programming skills, so designing a database and manipulating data with ruby (python seems also cool,...
4
votes
1answer
311 views

Is EEG brain-computer interface reliable?

I am a computer science student [assume I have very little knowledge of the biological part of EEG]. I recently came across the topic EEG and was pretty interested in it. As far as I know, we get an ...
4
votes
2answers
253 views

Brain-computer interface with EEG: how to name imaginary movement of a non-self object?

I am working on Brain-Computer interfaces. In my project we try to control the movement of a robot in three directions, namely forward, right and left. We have done an EEG experiment where we have ...
11
votes
1answer
202 views

Is there a report of a successfully EEG-Based Brain-Computer Interface (BCI) using image training?

Currently I am involved in constructing an EEG-Based BCI. The goal of the BCI is to control which light in a series of lightbulbs lights up. The plan is to use different images (i.e. a flower versus ...
5
votes
1answer
211 views

Are recent affordable EEG devices any good?

I'm looking to do some research about flow and optimal experience with EEG. I don't have access to a lab and I was wondering if the new devices that are available to the public (i.e. Melon, Muse, ...
11
votes
2answers
567 views

What computerized EEG analysis algorithms are there?

I got a commercial-grade EEG headband and am trying to look at the data it outputs. The headband quantifies raw EEG signal from a single forehead dry sensor into a range of EEG bands (alpha, beta, etc)...
8
votes
1answer
2k views

Do alpha waves vanish when I open my eyes in a dark room?

Alpha brain waves show up in your EEG when you close your eyes. Do they vanish when I open my eyes in a dark room? To put it in a different way: Is it necessary to have your eyes shut or that you ...
5
votes
1answer
847 views

Is it possible to detect the mental flow state with EEG?

I know that it is possible to detect "focus" with a consumer EEG with a single electrode and a reference point (ear clip), even without conductive gel, but is it possible to detect a flow state with ...
4
votes
2answers
138 views

Introduction or Tutorial on Continuous EEG Collection Procedures and Initial Processing?

Are there any tutorials or introductions (specifically not slides from talks) on the very basic details of EEG data collection and processing? Things like: Discussions of reference systems (montages) ...
5
votes
2answers
149 views

Method/Unit for measuring activity in specific frequency band for EEG

This may be more of a signal processing question but I'm looking to measure and compare activity in different frequency bands for each sensor. Unfortunately, all papers I've looked at simply refer to "...
5
votes
2answers
402 views

Component naming of MEG vs. EEG

My question is why we use P and N for naming positive and negative EEG component(for instance N170 or P100) but for MEG data we use M in both case, I mean M170 and M100 in this example?
4
votes
1answer
103 views

Can fMRI and EEG signals be generated from NEF models?

The basic function of the NEF is to map the outside world onto neurons, using the firing rates of the neurons. It also supports various neuron models. Have these firing rates been used to create EEG ...
11
votes
2answers
5k views

What is the standard way to analyze EEG data in a mismatch negativity paradigm?

I'm running an EEG experiment using a modified auditory mismatch negativity (MMN) design, and I'm wondering if anyone can tell me the best method for data analysis (and recommend any stats programs/...
7
votes
2answers
1k views

EEG correlates of handedness

Can any one suggest a good article about features of EEG of left-handed people? I was surprised when find that there are only few old articles about it. I find only one new article by Propper, Ruth ...
7
votes
3answers
236 views

Suggestion for wearable EEG headset

We need wearable EEG headset with raw data output accessible from various platforms. I heard that devices like that have commonly the output encoded and available adapters are designed for one or just ...
4
votes
2answers
121 views

Does stimulus-independent ERP make sense/ exist?

Is anyone aware of any concept of stimulus independent ERP (an apparent oxymororn, an event related potential that is neither sensory, cognitive nor motor elicited) ...or a procedure that looks ...
4
votes
1answer
480 views

What is the meaning of the peak polarity in EEG data?

I wish to define neuronal activities by analyzing the peaks of each channel in EEG signals. Some papers use the negative peaks as a measure of neuronal activity and others deploy the positive peaks. ...
3
votes
0answers
146 views

What is a good software/hardware combination for biofeedback monitoring that includes GSR, GSM, HRV, and EEG?

i'm looking for a lab setup for psychological experiments to help people relieve stress better with various auditory and visual stimuli. what i want is a software like brainbay that can use not just ...
2
votes
1answer
350 views

Classification of EEG Signals

I am working on a project related to Brain-Computer Interface & I came across this problem. What are the tools and techniques used to classify the EEG signals which are extracted from the ...
1
vote
1answer
374 views

How to compare brain waves?

I'm a Java developer completely naive of brain waves and such. Could anyone tell me how to compare them? For instance, how can I compare: and this: What fields of study should I focus on? I ...