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The goal of this experiment is to investigate the efficiency of executive control and conflict resolution across different stimulus domains and spatial configurations.

Does the "Flanker Effect" (reaction time delay during incongruent trials) differ when processing symbolic stimuli (arrows) versus categorical mappings (letters)?

To what extent does spatial distance between target and distractors mitigate the interference effect?

Participants must press the left and right arrow keys to identify the direction of the central arrow. Further instructions will be introduced before each block of the task.

In this task, participants are required to judge whether a string of letters is a word or a non-word. This experiment is based on Meyer & Schvaneveldt (1971) experiment.

In this task, participants are required to judge whether a string of letters is a word or a non-word. This experiment is based on Meyer & Schvaneveldt (1971) experiment.

Demoing some issues with online form

An example of a visual search task. Participants must search for the letter T amongst distractor letters.

A staircase using the QUEST algorithm from Watson & Pelli (1983)

This demo task presents words for participants to type, introduces a brief visual distraction at a specific letter, and then asks a yes/no question about the distraction to measure memory and attention.