Quantifying the Selective Forgetting and Integration of Ideas in Science and Technology

Cristian Candia*, Brian Uzzi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

How long will this article be remembered? How long will people reference it in their conversations, and for how many years will other authors cite its findings in their own works? A community’s attention to a cultural object decays as time passes, a process known as collective forgetting. Recent work models this decay as the result of two different processes. One linked to communicative memory—memories sustained by human communication—and the other linked to cultural memory—memories sustained by the physical recording of content. Collective forgetting has significant impacts on communities, yet little is known about how the collective forgetting dynamic changes over time. Here, we study the temporal changes of collective memory and attention by focusing on two knowledge communities: inventors and physicists. We use data on patents from the United States Patent and Trademark Office (USPTO) and physics papers published by the American Physical Society (APS) to quantify those changes over time. The model enables us to distinguish between two branches of forgetting. One branch is short-lived, going directly from communicative memory to oblivion. The other branch is long-lived, going from communicative memory to cultural memory before going on to oblivion. The data analysis shows an increase in the forgetting rate for both communities as the amount of information in each of them grows. That growth of information forces knowledge communities to increase their selectivity regarding what is stored in their cultural memory. These findings confirm the forgetting as annulment hypothesis and show that knowledge communities can slow down collective forgetting and improve selectivity processes

Original languageEnglish (US)
Pages (from-to)1067-1087
Number of pages21
JournalAmerican Psychologist
Volume76
Issue number6
DOIs
StatePublished - 2021

Keywords

  • Collective attention
  • Collective forgetting
  • Collective memory
  • Computational social scie
  • Mathematical mod-eling

ASJC Scopus subject areas

  • Psychology(all)

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