Tag Archives | visual


This task was designed by Woods et al. (2014). Based on the Shallice (1964) launching experiment, this task measures time dependence in perceiving causation. Subjects view a short video which consists of a blue ball moving toward a red ball, which then moves after a period of 0-267.2 ms, divided in 16.7 ms intervals, creating […]

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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 […]

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This task also measures basic visual time perception. This task uses the same parameters as the Vis100 task. However, rather than appear in succession, the stimuli appear simultaneously. One square appears 7-38 frames earlier than the other. Subjects are asked to indicate which stimulus appeared first. Total Items: 39 Completion Time: 8 minutes Dependent Variable: Number […]

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Time, Causality, and Perception (TCP)

Basic Research Questions 1. How does the perception of time influence the attributions of causality in physical and social interaction? 2. Can stimulation of the frontal cortex using Transcranial Direct Stimulation (TDCS), and subsequent cognitive behavioral training alter the perception of temporal coincidence and by extension physical causality attributions in a sustained manner? 3. What are […]

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