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Presentation #230 - Bio: 25 years experience in bio and neuro feedback with multiple modalities, combining psychotherapy...

Presentation #230


Post-Conference: 



Technical Foundations of Neurofeedback - One Day Course / BCIA

Abstract:



This workshop will describe the technical foundations of neurofeedback instruments, with an emphasis on neurophysiological, electronic, and computer aspects.

Duration:



Learning Objectives:



To articulate the neurophysiological origins of the EEG.

To describe how sensor placement affects EEG measurements.

To describe how instrumentation translates bioelectric signals to visual and auditory output.

Test Questions:



Question 1: If you were to reverse the active and reference leads on an EEG amplifier, which of the following would result:

A. The frequency content would shift up or down.

B. The waveforms would be displayed “upside down”.

C. The amplitude of the waveform could change.

D. There would be no change in the signals at all.

Question 2: CMRR or “common-mode rejection ratio” should be high in order to:

A. Reduce the effects of 60 Hz interference.

B. Reduce the effects of motion artifact.

C. Reduce the sensitivity to electrode imbalance.

D. All of the above.

Question 3: “SMR” can be described as the following:

A. A high-frequency alpha wave from the sensorimotor cortex.

B. A low-frequency beta wave recorded from C3, Cz, or C4.

C. A brain rhythm associated with the intention not to move.

D. All of the above.

Question 4: Which of the following applies to Penniston-style “alpha/theta” training?

A. Alpha is rewarded, and theta is inhibited.

B. Alpha is rewarded, and theta is also rewarded.

C. Alpha is inhibited, and theta is inhibited.

D. None of the above.

Question 5. As defined, “Percent time over threshold” reflects which of the following:

A. The proportional amount of time that a signal exceeds the defined threshold.

B. The overall size of the signal.

C. The level of effort of the trainee.

D. The amount of noise in the EEG.

Question 6. Two bandpass filters are compared. They are identical. However, one is set for 8-12 Hz and the other is set for 7-13 Hz. The second filter with the wider passband will be able to do which of the following:

A. Reject out of band signals better than the first filter.

B. Respond faster to component “waxing and waning”.

C. Have more precise cutoff frequencies.

D. All of the above.

Bibliography:



Collura, T.F. (2000). Basic Electronics and Physics. In K.H. Levin and H.O. Luders, (Eds.), Comprehensive Clinical Neurophysiology (pp. 1-10). Philadelphia: W.B. Saunders Company.

Demos, J. (2005) Getting Started with Neurofeedback. New York: W. W. Norton & Company.

Evans, J., and Arbanel. (1999) Quantitative EEG and Neurofeedback. New York: Academic Press

Nunez, P.L.; Wingeier, B.M.; Silberstein, R.B.. (2001). Spatial-temporal structures of human alpha rhythms: theory, microcurrent sources, multiscale measurements, and global binding of local networks. Human Brain Mapping, 13, 125-64.

Thompson, L. and Thompson, M. (2004) The Neurofeedback Book. New York: W. W. Norton & Co.

Detailed Agenda:



Overview (4 Hrs)

Review of basic principles of EEG & NF training

Review of Neurophysiology

Review of EEG recording concepts – Amplifiers, filters

Review of Electrode Locations – Monopolar, Bipolar techniques

Common Frequency Bands & Digital Filtering / Bandwidth issues

Control of Feedback: Visual and Auditory

Concepts of Operant Conditioning

Lunch (provided)

System Operation (2 Hrs)

Protocols – what they are, how they are set up

Common protocols

Review of Setup and Control methods

Common Screen Visual Displays

Controlling thresholds & Autothresholding

Using additional screens & animations

Using two or more monitors

Instructions to Trainee

Display Options

Sound Modes

Advanced topics (2 Hrs)

Two-channel connections

Two-channel training

Sum-channel mode

Coherence/Phase Training

2010-07-19 18:44 Читать похожую статью
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