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Working Memory

Working 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.

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Working memory and target-related distractor effects on visual search.

Alex Bahrami Balani¹, David Soto, Glyn W Humphreys

¹Behavioural Brain Sciences Centre, School of Psychology, University of Birmingham, Birmingham, England. a.b.balani@bham.ac.uk

Memory & Cognition

|December 16, 2010

Summary

Information in working memory (WM) and semantic relationships interfere with visual search. Task-irrelevant WM content and target templates compete separately for selection, impacting search performance.

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Top-down effects significantly influence visual selection.
Working memory (WM) and semantic relations are key factors in visual search.

Purpose of the Study:

To investigate how working memory (WM) content and semantic relationships between targets and distractors affect visual search.
To determine the independent and combined effects of WM interference and semantic interference on visual selection.

Main Methods:

Participants performed visual search tasks.
The study manipulated information held in working memory (WM).
Semantic relationships between targets and distractors were varied.

Main Results:

Items in WM interfered with search for unrelated targets, demonstrating a generalized WM-based interference.
Semantically related distractors, even if not in WM, also caused interference.
The interference effects from WM and semantic relatedness combined additively.

Conclusions:

Task-irrelevant information in WM and target templates compete distinctly for visual selection.
Both WM content and semantic associations play crucial roles in top-down visual search modulation.