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Neuroscientist Outlines Skills to Maintain Brain Health in AI Era

Hannah Critchlow, a neuroscientist at the University of Cambridge, has written a book on mental skills that may help people adapt to rapid technological change. The book examines emotional intelligence, creativity, physical activity, and cellular energy production.

bbc.com
1 source·May 22, 10:00 AM(7 days ago)·1m read
Neuroscientist Outlines Skills to Maintain Brain Health in AI Erabbc.com
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Critchlow began work on the book three years ago. She said the project was prompted by rapid developments in artificial intelligence and the need to understand how neuroscience knowledge could be applied to human cognition.

Critchlow states that emotional intelligence and empathy scores predict life satisfaction and academic success. She cites psychologist Jamil Zaki of Stanford University, who recommends practicing self-compassion by asking why an emotion is occurring and what can be done to address it.

A study by Hilke Plassmann and colleagues at Insead examined 100 volunteers who took prebiotics and probiotics for seven weeks. Participants developed a more diverse gut microbiome and showed increased willingness to share money for equality compared with a placebo group.

Critchlow notes that 20 percent of the day is spent mind-wandering, a state linked to new ideas. She states that walking in nature increases alpha waves associated with calm and creative thinking. Physical activity promotes the growth of new nerve cells and circuits, according to Critchlow. She says this process supports mental flexibility and the incorporation of new information.

Critchlow describes bioenergetics as the study of mitochondria, the structures that generate energy in cells. She states that exercise increases the number of mitochondria, which may support the brain's energy demands during complex thinking.

Key Facts

Emotional intelligence heritability
Estimated between 10% and 45%
Mind-wandering time
20% of the day spent in this state
Gut microbiome study
100 volunteers over seven weeks
Alpha waves
Increased by walking in nature

Story Timeline

2 events
  1. Three years ago

    Hannah Critchlow began writing The 21st Century Brain.

    1 sourcebbc.com
  2. Recent months

    Developments in artificial intelligence accelerated during the writing period.

    1 sourcebbc.com

Potential Impact

  1. 01

    Exercise programs could gain attention for their reported effects on brain cell growth.

  2. 02

    Readers may adopt walking routines to support creative thinking.

  3. 03

    Some individuals may increase probiotic intake after reading the study findings.

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count225 words
PublishedMay 22, 2026, 10:00 AM
Bias signals removed2 across 1 outlet
Signal Breakdown
Amplifying 1Speculative 1

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