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Related Concept Videos

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A chemical symbol is an abbreviation that is used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. We use the same symbol to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain).
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Reverse engineering what makes a symbol memorable.

Brady R T Roberts1,2, Wilma A Bainbridge1,2,3

  • 1Department of Psychology, University of Chicago, Chicago, IL 60637.

Proceedings of the National Academy of Sciences of the United States of America
|March 6, 2026
PubMed
Summary
This summary is machine-generated.

Researchers identified key visual and conceptual features that make symbols highly memorable. Using generative AI, they created memorable symbols that improved recall of associated abstract words, demonstrating memory can be engineered.

Keywords:
AI image generationcued recallmemorabilityrecognition memorysymbols

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Visual Communication

Background:

  • Symbols are a fundamental form of human visual communication.
  • Understanding memory mechanisms for symbols is crucial for cognitive and neural research.
  • Symbols are known to be more memorable than words, but the drivers are unclear.

Purpose of the Study:

  • Identify key visual and conceptual attributes influencing symbol memorability.
  • Investigate how abstract concepts are linked to symbols in memory.
  • Determine if symbol memorability can be intentionally engineered.

Main Methods:

  • Participants sorted conventional symbols based on visual and conceptual features.
  • Principal component analysis identified features predicting symbol memory.
  • Generative AI created novel symbols with accentuated or downplayed predictive features.

Main Results:

  • Specific visual and conceptual features were found to predict symbol memory.
  • Symbols engineered for memorability were recognized better than forgettable ones.
  • Memorable symbols enhanced recall of associated abstract words.

Conclusions:

  • Symbol memorability is driven by specific stimulus features beyond distinctiveness or context.
  • Memory for symbols can be intentionally engineered through feature manipulation.
  • This research provides insights into visual memory systems and abstract concept concretization.