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Tasks

Attention Network Test (ANT)

  • 1 practice block with 24 trials (~2 minutes)
  • 96 trials per block in the main task (~7 minutes)
  • Number of blocks adjustable in Settings
  • Fixation duration: 400-1600ms
  • Cue duration: 100ms
  • Flanker/stimulus duration: 1700ms
  • Maximum inter-trial interval: 3500ms
  • Congruency levels: neutral, congruent, incongruent
  • Cue types: no cue, center, spatial, double

Backwards Digit Span

  • Digit set: 1-9 (inclusive)
  • 1 practice trial
  • Shortest sequence length: 3 digits
  • Longest sequence length: 9 digits
  • Each sequence length is repeated twice
  • Sequences get progressively longer
  • 14 total trials (~5 minutes)
  • Digit duration: 1000ms
  • Time between digits: 100ms

Eriksen Flanker Task

  • A single set contains each trial type combination (left/congruent, left/incongruent, right/congruent, right/incongruent)
  • 3 practice sets by default, adjustable in settings
  • 25 sets in the main blocks, adjustable in settings (~10 minutes)
  • Contains options for adding compatible (respond in direction of arrow) and incompatible (respond in opposite direction of arrow) blocks
  • 1 compatible block by default
  • Flanker stimululs duration: 200ms
  • Maximum response time (before timeout): 1500ms
  • Inter-trial interval: 1500ms

Mental Rotation Task (MRT)

  • 3 practice questions
  • 2 main blocks (with a break inbetween)
  • 12 questions per block (4 answer options each)
  • Each block has a maximum time limit of 3 minutes

Raven's Progressive Matrices

  • Advanced Set #2
  • 1 practice question
  • 12 main questions (adjustable in Settings)
  • 8 answer options per question
  • Each question has a maximum time limit of 1 minute
  • Note: The Raven's image set contains 36 questions. By default, the battery use 12 images starting from image #13 (middle 3rd of the set)

Sternberg Task

  • 1 practice block with 24 trials
  • 48 trials per block in the main task
  • Number of blocks adjustable in Settings
  • Digit set: 0-9 (inclusive)
  • Short sequence length: 2 digits
  • Long sequence length: 6 digits
  • Digit duration: 1200ms
  • Time between digits: 250ms
  • Probe duration: 2250ms

Sustained Attention to Response Task (SART)

  • Digit set: 1-9 (inclusive)
  • Mask follows presentation of each digit
  • 1 practice set with 10 digits
  • 225 main trials, 25 repeats of each digit (~5 minutes)
  • Digit duration: 250ms
  • Mask duration: 900ms