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Your Brain on AI: Is ChatGPT making us mentally lazy?
Episode 14

Your Brain on AI: Is ChatGPT making us mentally lazy?

Normal Curves: Sexy Science, Serious Statistics · Regina Nuzzo and Kristin Sainani

August 11, 20251h 15m

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Show Notes

ChatGPT is melting our brainpower, killing creativity, and making us soulless — or so the headlines imply. We dig into the study behind the claims, starting with quirky bar charts and mysterious sample sizes, then winding through hairball-like brain diagrams and tens of thousands of statistical tests. Our statistical sleuthing leaves us with questions, not just about the results, but about whether this was science’s version of a first date that looked better on paper.

Statistical topics

  • ANOVA
  • Bar graphs
  • Data visualization 
  • False Discovery Rate correction
  • Multiple testing
  • Preprints
  • Statistical Sleuthing

Methodological morals

  • "Treat your preprints like your blind dates. Show up showered and with teeth brushed."
  • "Always check your N. Then check it again."
  • "Never make a bar graph that just shows p-values. Ever."

Link to paper


Kristin and Regina’s online courses: 

Programs that we teach in:

Find us on:

Kristin -  LinkedIn & Twitter/X

Regina - LinkedIn & ReginaNuzzo.com


  • (00:00) - Intro
  • (03:46) - Media coverage of the study
  • (08:35) - The experiment
  • (12:09) - Sample size issues
  • (13:11) - Bar chart sleuthing
  • (19:15) - Blind date analogy
  • (23:54) - Interview results
  • (30:04) - Simple text analysis results
  • (34:04) - Natural language processing results
  • (41:00) - N-gram and ontology analysis results
  • (45:55) - Teacher evaluation results
  • (52:30) - Neuroimaging analysis
  • (01:00:32) - Multiple testing and connectivity issues
  • (01:06:10) - Brain adaptation results
  • (01:09:47) - Wrap-up, rating, and methodological morals



Topics

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