Essay On Stroop Effect

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Maintaining attention on relevant stimuli and simultaneously suppressing the irrelevant information is essential for an individual to process the information successfully. Attentional top down control in the presence of interference has been widely studied using the Stroop paradigm. The Stroop effect was first described about 70 years ago (Stroop, 1935). But it was intensively studied in cognitive neuroscience as a viable research tool for investigation of perceptual and cognitive abilities (Dyer & Severance, 1973; Jensen & Rohwer, 1966; MacLeod, 1991). In spite of many modifications throughout the years, the basic principle remains the same. In classical Stroop task, the participants name the colours of the inks in which incongruent colour words are printed (e.g., RED printed in blue ink) while ignoring the words. Participants took longer time to name the ink colours when presented with incongruent colour words than when presented with colour control stimuli (e.g., colour patches). Visual Stroop and its effects have been studied over the years more detailed when compared to auditory...

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