Some cognition tests

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1. N-back test: to test short-term memory

3 Difficulty levels 
    a. EASY (2-back) 
    b. MEDIUM (4-back) 
    c. HARD (5 back)

A volunteer sees a computer screen where square boxes of different colors flashes for a moment one after other. The   volunteer needs to hit a key in keyboard when an n-back occurs. The program logs the response time and the correct/incorrect response. Multiple similar trials are recorded for each difficulty level.

2. Arithmetic test: to test working memory

3 Difficulty levels 
    a. EASY (2 numbers) 
    b. MEDIUM (3 numbers) 
    c. HARD (5 numbers)

A volunteer sees a computer screen where a number, an arithmatic operator, again a number appears alternately and finally a input form. The volunteer need to evaluate the result in mind and fill and submit the form. The program logs response time and the correct/incorrect response. Multiple similar trials are recorded for each difficulty level.

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Running the tests

(Preq.) A successful installation of expyriment module and necessary dependencies (see website link below)

Note: In each directory there is a .py file starting with 'run_'
Move to the corresponding test directory and run this file to start the test, eg. for 2 back test:
  $ python run_t1-L1.py

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The tests were designed with the python "expyriment" module "https://www.expyriment.org"