Brain Computer Interfaces - Zafer Iscan (Ph.D.) - Feb 4th, 2015
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Questions and Answers

What is the purpose of Canonical Correlation Analysis (CCA) in signal processing?

  • To compute Power Spectral Density (PSD)
  • To extract features using Fast Fourier Transform
  • To classify EEG signals using neural networks
  • To maximize the correlation between two datasets (correct)

    • Which feature extraction method involves calculating the Fast Fourier Transform of discrete samples?

  • Neural networks
  • Canonical Correlation Analysis (CCA)
  • Nonlinear Bayesian classifiers
  • Power Spectral Density (PSD) (correct)

    • In EEG classification, what type of classifiers fall under the category of Linear classifiers?

  • HMMs
  • SVM (correct)
  • (K-NN)
  • MLP

    • What is a key feature of the BCI2000 software system?

    <p>It is a general-purpose system for BCI research</p> Signup and view all the answers

    Which type of classifiers involve models like Hidden Markov Models (HMMs)?

    <p>Nonlinear Bayesian classifiers</p> Signup and view all the answers

    What does Power Spectral Density (PSD) represent in signal processing?

    <p>Fast Fourier Transform of data</p> Signup and view all the answers

    Which publication discusses detecting P300 wave from EEG data for Brain-Computer Interface Applications?

    <p>Direct Brain-Computer Communication Through Scalp recorded EEG Signals</p> Signup and view all the answers

    In which IEEE publication is a 2 μW 100 nV/rtHz Chopper-Stabilized Instrumentation Amplifier detailed?

    <p>A 2 μW 100 nV/rtHz Chopper-Stabilized Instrumentation Amplifier for Chronic Measurement of Neural Field Potentials</p> Signup and view all the answers

    Where was the PhD Thesis 'Direct Brain-Computer Communication Through Scalp recorded EEG Signals' completed?

    <p>Swiss Federal Institute of Technology, Lausanne</p> Signup and view all the answers

    Which paper provides a description of the Second Place Method in the MLSP Competition, 2010?

    <p>MLSP Competition, 2010: Description of Second Place Method</p> Signup and view all the answers

    Which IEEE publication presents multiple channel detection of steady-state visual evoked potentials for brain-computer interfaces?

    <p>Detection of P300 Wave From EEG Data For Brain-Computer Interface Applications</p> Signup and view all the answers

    Who authored the book 'Pattern Classification'?

    <p>R.O. Duda, P.E. Hart, D.G. Stork</p> Signup and view all the answers

    What are the 4 modules that make up the BCI2000 system?

    <p>Acquisition, Processing, User Feedback, Interface to Investigator</p> Signup and view all the answers

    Which software supports Compilation using VisualStudio?

    <p>BCI 2000 System</p> Signup and view all the answers

    What is included in the parameter file loaded before an experiment in the BCI 2000 System?

    <p>Subject-specific and general configuration information</p> Signup and view all the answers

    What is the purpose of the BCI 2000 Launcher program?

    <p>To manage BCI2000 module startup using a graphical user interface</p> Signup and view all the answers

    Which system aims to improve detection and decoding of brain signals acquired by EEG?

    <p>BBCI</p> Signup and view all the answers

    What is the purpose of the 4 modules in the BCI2000 system?

    <p>*Acquisition of brain signals, Processing of these brain signals, User feedback, Interface to the investigator</p> Signup and view all the answers

    What is the main objective in designing Brain Computer Interfaces (BCIs)?

    <p>Achieving real-time operation</p> Signup and view all the answers

    Which factor is NOT a desired characteristic in Brain Computer Interfaces (BCIs) according to Krepki (2004)?

    <p>Frequent noise and artifacts</p> Signup and view all the answers

    In BCI systems, what distinguishes Asynchronous BCIs from Synchronous BCIs?

    <p>Continuous activity analysis</p> Signup and view all the answers

    Which type of signal embedded in EEG is related to attention and novelty?

    <p>P300</p> Signup and view all the answers

    What phenomenon occurs when a person focuses visual attention on a flickering light source?

    <p>SSVEP</p> Signup and view all the answers

    What characterizes SCP shifts in terms of cortical activation?

    <ul> <li>SCP shifts indicate reduced activation</li> </ul> Signup and view all the answers

    Which journal published a review of classification algorithms for EEG-based brain-computer interfaces?

    <p>Journal of Neural Eng.</p> Signup and view all the answers

    In which conference were the Proceedings of the International Conference on Neural Networks and Brain presented?

    <p>ICNN&amp;B05</p> Signup and view all the answers

    Who authored the book 'EEG Signal Processing'?

    <p>Sanei, S.and Chambers, J.A.</p> Signup and view all the answers

    Which paper focused on analogue mouse pointer control via an online SSVEP braincomputer interface?

    <p>Wilson, J.J.and Palaniappan, R.</p> Signup and view all the answers

    Which IEEE publication featured a readout front-end for portable biopotential acquisition systems?

    <p>IEEE Solid-State Circuits</p> Signup and view all the answers

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