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Figure 1 from Experiment 2 of the original description of the Stroop Effect (1935). 1 is the time that it takes to name the color of the dots while 2 is the time that it takes to say the color when there is a conflict with the written word.
The numerical Stroop effect, a concept rooted in cognitive psychology, refers to the interference that occurs when individuals are asked to compare numerical values or physical sizes of digits presented together. The effect arises when there is a mismatch—or incongruity—between the numerical value and the physical size of the digits.
The Stroop color–word task utilizes the Stroop effect to observe the distractor suppression and negative priming. Identification tasks present a set of images, sounds, words, symbols, or letters and require the subject to select the prime target based a particular feature that differentiates the target from the distractor.
Tasks that have been used to define these task sets include: categorization of numbers, letters, or symbols; identification of colors or words (e.g., using Stroop effect stimuli); location judgments; semantic and episodic memory tasks; and arithmetic problems.
Like the standard Stroop effect, the emotional Stroop test works by examining the response time of the participant to name colors of words presented to them. Unlike the traditional Stroop effect, the words presented either relate to specific emotional states or disorders, or they are neutral (e.g., "watch", "bottle", "sky"). For example ...
For example, when taking part in an experiment involving the n-back task, a correlation was observed between those with higher dilation, due to pupillary response, and improved performance. Conversely, other studies show the opposite relationship, where higher pupillary dilation is associated with lower task performance. [ 4 ]
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Stroop paradigm The Stroop paradigm was the first measure of attentional bias. [4] It also uses reaction time, only in this case utilizing colors. The subject would have to read the color of the word (e.g. brown), however, the name of the word would be a different color (e.g. red).