Attention Network Task-Flanker Task (ANT)

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Attention Network Task-Flanker Task (ANT)

Basic Characteristics

  • Description

The Attention Network Task (ANT) was developed to test the three attentional networks (alerting, orienting, and executive control) with a single task. The task consists is comprised of a a combination of a cued reaction time task and a flanker task. A theoretically derived test, the ANT allows for the identification of a specific deficit rather than suggesting the existance of an overall disturbance in performance across several interrelated tasks.

Subjects copmlete the task on a computer by clicking right and left mouse buttons to respond to visual stimuli. A row of 5 visually presented white lines with arrowheads are shown pointing to the left or to the right. The target is a leftward or rightward pointing arrowhead at the center. The target is flanked on either side by two congruent or incongruent arrows (same or opposite direction), or by neutral lines. The task of the participants is to indicate the direction of the central target by pressing the right or left mouse button as quickly as possible.

  • History
  • References

Gooding, et al, 2006. Attentional network task performance in patients with schizophrenia-spectrum disordrs: evidence of a specific deficit PMID 16950603

Related Information

  • Cognitive construct associated with this task (vote for your favorite, or nominate a new construct label by editing this page):
  • Indicators (dependent variables, conditions, or contrasts; measurement variables used for analysis) associated with this task (vote or nominate by editing this page):
    • dependent variables: alerting reaction time (RT), orienting RT, and conflict RT
  • Closely related pages (vote or nominate related pages by editing this page):
    • Within Species
    • Across Species
  • CNP Level
  • Primary Species

External Resources

  • Database links

Task Details

  • Task Structure (please given an overview of the task procedures here [i.e., overall design, block, trial, and within-trial event structure and timing])
    • procedure
      • block: experimental block administered until 30 trials were completed
      • trial: 30 completed trials
  • Stimulus Characteristics
    • sensory modality (e.g., visual, auditory, somatosensory, gustatory, olfactory): visual and auditory
    • functional modality (e.g., linguistic, spatial, numerical, categorical):
    • presentation modality (e.g., human examiner, paper, computer display, headphones, speaker): computer display with speakers
  • Response Characteristics
    • response required -
      • effector modality (e.g., vocal, manual, pedal): manual
      • functional modality (e.g., words, drawing, writing, keypress, movement): mouse press
    • response options (e.g., yes/no, go/no-go, forced choice, multiple choice [specify n of options], free response)- collect money or pump balloon
    • response collection (e.g., examiner notes, keyboard, keypad, mouse, voice key, button press)- mouse
  • Assessment/Control Characteristics
    • timing
      • monthly cycle dependent??
      • circadian dependent??
    • control assessment
      • 5 senses??