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Visual Oddball Task Demo

Real-time visual oddball task to elicit ERPs by presenting frequent stimuli with unexpected targets

Visual oddball tasks are popular methods for studying neural processes involved in attention and perception. This task involves presenting a series of stimuli to a participant, with occasional "target" stimuli mixed in among frequent "non-target" stimuli. Here, the target stimulus is a small red square and the non-target stimulus is a larger red circle. The strenght of this app is that it also depicts the real-time event-related potentials of the participant, generated by averaging the responses to each stimuli whenever is depicted. In addition, it is possible to record "ENTER" keypresses to perform further offline analyses.

Id. rt_vot Ext. odd Tags ERP NEURO-TEST
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