Timing Tasks

These tasks measure time perception using either visual (Vis100 – top) or auditory perception (Aud100 – middle). For the visual task, two squares appear on the screen in succession. Subjects are asked to indicate which stimulus was shorter. One stimulus is always 6 frames (96 ms), while the other ranges from 7-38 frames (112-608 ms). The same parameters are used for the auditory version using tones. An additional auditory “masked” task (bottom) using a distractor noise in between tones acts a control comparison to examine effects of attentional impairments on task performance.

Total Items: 39
Completion Time: 8 minutes each
Dependent Variable: Number of Items Correct, Threshold (ms)

These tasks are programmed in PsychoPy. Please contact me for task usage.

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