Working Memory Model (WMM) Practice Test

What cognitive process does inhibition refer to?

Suppressing irrelevant information or responses to maintain task goals. Enhancing all incoming information. Replacing old memory with new content. Increasing processing speed for tasks.

Correct Answer:

Suppressing irrelevant information or responses to maintain task goals.

Explanation:

Inhibition in working memory is the ability to suppress irrelevant information and prepotent responses so you can stay focused on the task and its goals. The central executive provides this control, filtering out distractions and stopping automatic impulses so only task-relevant information remains active in the phonological loop or visuospatial sketchpad. This helps you ignore distractions or habitual responses, like in a Stroop task where you must name the ink color rather than read the word. The other options describe enhancing input, replacing memory, or speeding up processing, which miss the selective, restraint-based aspect of inhibition. So, inhibition is about filtering and controlling responses to maintain goal-directed performance.

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