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Message   VRSS    All   Massive Study Detects AI Fingerprints In Millions of Scientific   July 8, 2025
 2:20 AM  

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Feed Link: https://slashdot.org/
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Title: Massive Study Detects AI Fingerprints In Millions of Scientific Papers

Link: https://science.slashdot.org/story/25/07/07/2...

A team of U.S. and German researchers analyzed over 15 million biomedical
papers and found that AI-generated content has subtly infiltrated academic
writing, with telltale stylistic shifts -- such as a rise in flowery verbs
and adjectives. "Their investigation revealed that since the emergence of
LLMs there has been a corresponding increase in the frequency of certain
stylist word choices within the academic literature," reports Phys.Org.
"These data suggest that at least 13.5% of the papers published in 2024 were
written with some amount of LLM processing." From the report: The researchers
modeled their investigation on prior COVID-19 public-health research, which
was able to infer COVID-19's impact on mortality by comparing excess deaths
before and after the pandemic. By applying the same before-and-after
approach, the new study analyzed patterns of excess word use prior to the
emergence of LLMs and after. The researchers found that after the release of
LLMs, there was a significant shift away from the excess use of "content
words" to an excess use of "stylistic and flowery" word choices, such as
"showcasing," "pivotal," and "grappling." By manually assigning parts of
speech to each excess word, the authors determined that before 2024, 79.2% of
excess word choices were nouns. During 2024 there was a clearly identifiable
shift. 66% of excess word choices were verbs and 14% were adjectives. The
team also identified notable differences in LLM usage between research
fields, countries, and venues. The findings have been published in the
journal Science Advances.

Read more of this story at Slashdot.

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