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Attention modulates perceptual processes and cognitive performance from "summary" of Fundamentals of Cognitive Neuroscience by Nicole M. Gage,Bernard Baars
Attention serves as a crucial mechanism that shapes how information is processed in both perceptual and cognitive domains. It acts as a filter, enabling certain stimuli to gain prominence while diminishing the influence of others. This selective focus allows individuals to navigate complex environments filled with competing sensory inputs, ensuring that relevant information is prioritized for further processing. In perceptual processes, attention enhances the ability to detect and interpret stimuli. For instance, when individuals concentrate on a specific visual or auditory signal, their sensory systems become more attuned to that input, resulting in heightened clarity and accuracy in perception. This heightened state not only improves the detection of target stimuli but can also lead to a more efficient encoding of information into memory. Cognitive performance is similarly influenced by attentional resources. When attent...
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