How to Hack the Brain, with Coffee

We meet up on Sundays from 4—6pm for some hot coffee and comprehensive tutorials on how to hack your brain! Afterwards, we hang out and relax from our busy weeks

Next meeting: April 2, 2017

Location: John Kelly Library, Rm 213

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What we've covered so far:

March 26, 2017

Topics:

  • Recap of last week
  • Review: what is a transformation?
    • Types of transformations (time invariant, causal, etc.)
  • Linear time-invariant systems
  • Introduction to convolution
  • Understanding systems using block diagrams
  • Using hardware for windowing
  • Low pass, high pass, bandpass and notch filters

Material:

March 19, 2017

Topics:

  • Intro to signal processing
    • Spatial, temporal, and spectral filters
    • Linear transformations with matrices
    • Basic source localization
    • Moving windows and applications
    • What are low pass filters?
  • Miscillaneous computer science topics
    • Big O complexity
    • Implementing moving windows with queues

Material:

March 12, 2017

March 5, 2017

Topics:

  • Review of topics from February 19
  • What is a Fourier series? How can approximate signals as a sum of sines?
  • Simplifying Fourier series using Euler's identity
  • Complex EEG Phenomena

Material:

February 19, 2017

Topics:

  • What is a brain computer interface?
  • What is EEG? It's characteristics? How does it work?
  • What is a signal? How do we interpret them?

Material: