Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 04, 2021
Last Modified: January 12, 2025 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements an Inquisit implementation of the 'Whack-a-mole' task, a go/nogo task for children, published at: https://fablab.yale.edu/page/assays-tools Project downloaded: WackAMole.zip
The Inquisit implementation of this script is based on e-prime script 'WackTheMole2.0_Go_NoGo.es'
The downloaded project comes with two 'whack-a-mole' e-prime scripts as well as several information files. - 'mole_agree.html' (included with this script as well) - please read - 'Mole_Instrux.pdf' (additional verbal instructions) - 'Mole_Parameters.pdf' (see below under Task Description)
Millisecond was given permission to include this task in the Millisecond Library by Dr. BJ Casey.
Casey, B. J., Trainor, R. J., Orendi, J. L., Schubert, A. B., Nystrom,L. E., Giedd, J. N., Castellanos, F. X., Haxby, J. V., Noll, D. C., Cohen, J. D., Forman, S. D., Dahl, R. E., & Rapoport, J. L. (1997). A developmental functional MRI study of prefrontal activation during performance of a Go-No-Go task. Journal of Cognitive Neuroscience, 9, 835–847.
Durston, S., Tottenham, N. T., Thomas, K. M., Davidson, M. C., Eigsti, I. M., Yang, Y., Ulug, A. M., Casey, B. J. (2003) Differential patterns of striatal activation in young children with and without ADHD. Biological Psychiatry, 15, 871-878.
12 minutes
The following information is provided by 'Mole_Parameters.pdf' (downloaded with original eprime script package):
Wack-A-Mole Task • Wack the Mole (WTM) is a version of the Go/NoGo paradigm, a response inhibition task (Casey et al, 1997).
• WTM is designed to examine how parametrically manipulating preceding context (the number of Go trials) affects inhibition of a preponent response (NoGo trials). (Durston et al, 2002)
• As the number of Go trials increases, the salience of the “go” response increases. Thus, increasing Go trials is expected to increase the conflict between the two responses and require greater cognitive control.
Task design • Subjects are asked to press a button in response to visually presented stimuli (a mole), but to avoid responding to a less frequent non-target (an eggplant).
• The task consists of four runs, which lasted on average 2 min and 21 seconds each. Each run contains an average total of 53 trials, with an average of 42 go trials, resulting in an average of 12 NoGo trials per run.
• The type of NoGo trial (with 1-7 preceding Go trials) was weighted such that more Go trials preceded NoGos in the first and last runs. The order of presentation of the different types of NoGo trials was pseudorandomized. Stimulus duration was 1500 milliseconds. The interstimulus interval is 5 seconds.
The default setup of this script uses 5 different 'routines' that differ in
the number of go trials that precede one nogo trial:
n1: 1 go trial -> 1 nogo trial
n2: 2 go trials -> 1 nogo trial
n3: 3 go trials -> 1 nogo trial
n4: 4 go trials -> 1 nogo trial
n5: 5 go trials -> 1 nogo trial
routines 'n0,'n6', and 'n7' also included in this script but they are currently not run by default setup
(1) Practice:
- runs 3 routines in sequence: n2, n4, n1 (10 trials total: 7 go, 3 nogo trials)
- participants receive feedback after each response
(2) Test: 4 runs (in fixed sequence)
- routines run by each run can be edited under section "Editable Lists"
- !if the number of routines run is changed, edited the expt-element at the end of the script accordingly!
Run1:
- runs 13 routines (n1,n3,n1,n3,n3,n1,n5,n2,n5,n3,n5,n4,n5) in random order => 54 trials total (41 go: 13 nogo trials)
- participants receive feedback after each response
Run2:
- runs 14 routines (n2,n3,n3,n5,n5,n1,n5,n1,n5,n1,n4,n3,n2,n2) in random order => 56 trials total (42 go: 14 nogo trials)
- participants receive feedback after each response
Run3:
- runs 14 routines (n5,n5,n4,n1,n2,n5,n5,n1,n4,n1,n1,n3,n3,n1) in random order => 55 trials total (41 go: 14 nogo trials)
- participants receive feedback after each response
Run4:
- runs 14 routines (n3,n3,n1,n5,n4,n3,n5,n3,n3,n1,n5,n1,n1,n3) in random order => 55 trials total (41 go: 14 nogo trials)
- participants receive feedback after each response
Routine Count across the 4 runs:
n1: 15
n2: 5
n3: 15
n4: 5
n5: 15
( in this script summary variables by 'routine' are calculated for n1, n3, and n5 routines)
Trial Sequence (default timing based on e-prime script; can be edited under section Editable Parameters):
Go Trial (Mole):
- Mole image presented for max. 1800ms
- feedback for: 300ms
- empty hole for iti duration (variable):
iti = 2000ms (parameters.totalTrialDuration) - RT ( for noresponses, the RT is the max. stimulusduration = 1800)
=> total duration: 2300ms
Nogo Trial (Vegetable)
- Vegetable image presented for max. 1300ms ( the duration of the vegetable is shorter by 500ms)
- feedback for: 300ms
- empty hole for iti duration (variable):
iti = 2000ms (parameters.totalTrialDuration) - RT ( for noresponses, the RT is the max. stimulusduration = 1300)
=> total duration: 2300ms
taken from original e-prime script 'WackTheMole2.0_Go_NoGo.es'
https://fablab.yale.edu/page/assays-tools
(converted to png files)
taken from original e-prime script 'WackTheMole2.0_Go_NoGo.es'
https://fablab.yale.edu/page/assays-tools
can be edited in script "whackamole_gonogo_keyboard_instructions_inc.iqjs"
File Name: whackamole_keyboard_summary*.iqdat
| Name | Description |
|---|---|
| inquisit.version | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| startDate | Date the session was run |
| startTime | Time the session was run |
| subjectId | Participant ID |
| groupId | Group number |
| sessionId | Session number |
| elapsedTime | Session duration in ms |
| completed | 0 = Test was not completed 1 = Test was completed |
| goTrials | Number of go trials run across all routines across all 4 test runs |
| hits | Number of hits across all routines across all 4 test runs |
| hitRate | Hitrate across all routines across all 4 test runs |
| missRate | Miss rate across all routines across all 4 test runs |
| meanHitRT | Mean hit response time (in ms) across all routines across all 4 test runs |
| noGoTrials | Number of nogo trials run across all routines across all 4 test runs |
| commissions | Number of commission errors (spacebar press for nogo trials) across all routines across all 4 test runs |
| faRate | Commission/false alarm rate across all routines across all 4 test runs |
| corrRejectRate | Correct rejection rate across all routines across all 4 test runs (= not responding in nogo trials) |
| meanCommissionRT | Mean commission response time (in ms) across all routines across all 4 test runs |
| zHitRate | Z-score of the hitRate |
| zFaRate | Z-score of the falseAlarm/commission rate *Adjustments to z-scores as recommended by Gregg, A. & Sedikides, C. (2010). Narcissistic Fragility Rethinking Its Links to Explicit and Implicit Self-esteem, Self and Identity, 9:2, 142-161 (p.148) => Adjustments are made if the FArate (hitRate) = 0 (increased to 0.005) or 1 (decreased to 0.995)* |
| dPrime | Computes d' (parametric measure of discriminability btw. signals and noise) => Range (in this script) -5.1516586840152740479 <= dprime <= 5.1516586840152740479 (=perfect performance) => The higher the value, the better signals (go stims) were distinguished from noise (nogo stims) (d' = 0: chance performance; negative d-primes: participant treated nontargets as targets and targets as nontargets) |
| c | C-criterion in signal detection:The absolute value of c provides an indication of the strength of the response bias/response style negative: participant more likely to report that signal (go stims) is present (liberal response style) may favor faster responding in speed-accuracy trade-off response paradigms positive: favoring caution (conservative response style) |
By Routine: N1, N2, N3, N4, N5 |
|
| goTrialsN1 | Number of go trials run for n1-routine across all 4 test runs |
| hitsN1 | Number of hits for n1-routine across all 4 test runs |
| hitRateN1 | Hitrate for n1-routine across all 4 test runs |
| missRateN1 | Miss rate for n1-routine across all 4 test runs |
| meanHitRTN1 | Mean hit response time (in ms) for n1-routine across all 4 test runs |
| noGoTrialsN1 | Number of nogo trials run for n1-routine across all 4 test runs |
| commissionsN1 | Number of commission errors (spacebar press for nogo trials) for n1-routine across all 4 test runs |
| faRateN1 | Commission/false alarm rate for n1-routine across all 4 test runs |
| corrRejectRateN1 | Correct rejection rate for n1-routine across all 4 test runs (= not responding in nogo trials) |
| meanCommissionRTN1 | Mean commission response time (in ms) for n1-routine across all 4 test runs |
| zHitRateN1 | Z-score of the N1-hitRate |
| zFaRateN1 | Z-score of the N1-falseAlarm/commission rate |
| dPrimeN1 | Computes d' (parametric measure of discriminability btw. signals and noise) for N1 trials |
| cN1 | The response bias/response style for N1 trials |
File Name: whackamole_keyboard_raw*.iqdat
| Name | Description |
|---|---|
| build | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| date | Date the session was run |
| time | Time the session was run |
| subject | Participant ID |
| group | Group number |
| session | Session number |
| blockCode | Name of the current block |
| blockNum | Number of the current block |
| trialCode | Name of the current trial |
| trialNum | Number of the current trial |
| run | Practice, 1, 2, 3, 4 |
| routine | N1, n2, n3, n4, n5 (the routine the current trial is run under) |
| condition | G1-g5: numbers the go trials in the current routine ng1-ng5: numbers the nogo trial after the last go trial count |
| iti | Intertrial interval duration (in ms) |
| response | The participant's response (scancode of response buttons) 57 = spacebar 0 = no response |
| correct | Accuracy of response: 1 = correct response; 0 = otherwise |
| latency | The response latency (in ms); measured from: onset of image |
| stimulusItem | The presented stimuli in order of trial presentation |
The procedure can be adjusted by setting the following parameters.
| Name | Description | Default |
|---|---|---|
Timing Parameters |
||
| startDuration | The empty hole duration (in ms) at start of each run | 500 |
| totalTrialDuration | The duration (in ms) of the trial (excluding the feedback durations) | 2000 |
=> Duration Of Stims + Intertrial Interval (Presentation Of Empty Hole) |
||
| moleDuration | Mole duration in ms (= response timeout) | 1800 |
| vegetableDuration | Vegetable duration in ms (= response timeout) | 1300 |
| hitFeedbackDuration | The duration (in ms) for the feedback image presented after a hit | 300 |
| crFeedbackDuration | The duration (in ms) for the feedback after a correct rejection | 300 |
| errorFeedbackDuration | The duration (in ms) for error feedback | 300 |
Sizing Parameters |
||
| imageSize | The proportional size (relative to canvas height) of the mole images | 40% |
Response Key |
||
| goKey | The go key (here: spacebar) | " " |