Cognitive studies using functional imaging are inherently associated with nonstimulant noise in MRI. Dissociating the noise aspect in functional imaging from cognitive traits is crucial in delineating auditory cognition. This study explores the association of noise in auditory cognition studies. we designed a functional Navon task paradigm with introduction of pink noise characteristics modelled as part of its memory phase. Variation of noise induced the cognitive masking associated with characteristics of stimuli across the local and global suppression.
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