Related Experiment Video
Updated: Jul 17, 2026
09:37
Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
Selective attention supports working memory maintenance by modulating perceptual processing of distractors
Kartik K Sreenivasan1, Amishi P Jha
1University of Pennsylvania, PA 19104, USA.
Journal of Cognitive Neuroscience
|January 12, 2007
Summary
Selective attention helps working memory by reducing processing of distracting information. This study shows that attention suppresses highly intrusive distractors, improving memory performance.
Area of Science:
- Cognitive Neuroscience
- Psychology
Background:
- Selective attention biases sensory processing for relevant stimuli.
- Evidence suggests attention aids working memory by prioritizing to-be-remembered items.
Purpose of the Study:
- Investigate if selective attention supports working memory by suppressing distracting information.
- Examine attentional biasing against irrelevant stimuli during working memory maintenance.
Main Methods:
- Recorded event-related potentials (ERPs) during a delayed-recognition task for faces and shoes.
- Used face or shoe distractors during the memory delay period.
- Analyzed the face-sensitive N170 ERP component.
Main Results:
- Behavioral performance decreased with congruent distractors (e.g., face distractors for face memory).
- The N170 component elicited by distracting faces showed reduced amplitude during congruent working memory tasks.
- Perceptual processing of distracting faces was attenuated when they were behaviorally intrusive.
Conclusions:
- Selective attention supports working memory by biasing against the processing of highly intrusive distractors.
- Attentional suppression of distractor stimuli is a key mechanism for effective working memory maintenance.
- Findings suggest a role for attention in filtering irrelevant sensory information during memory tasks.
Related Concept Videos
01:24Working Memory
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
01:28Perception
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
01:30Information Processing Approach
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...