Use Tech Without Losing Our Minds | Gupta x Greenfield | CNN2.0

🧠 Dr. Sanjay Gupta and Baroness Susan Greenfield explore how digital tech reshapes the brain via plasticity, cautioning that screen‑mediated lives can erode resilience, attention, and face‑to‑face connection even if tech also enables meaningful ties at a distance.
📚 Greenfield’s “mind change” lens stresses separating facts from values: tech’s effects are neutral in theory, but overreliance risks shorter attention spans and fewer real‑world experiences that build confidence and individuality.
🧩 Evidence and nuance: classic plasticity example (London taxi drivers’ enlarged hippocampi) illustrates environment shaping brain structure, while longitudinal work links heavier screen time with poorer school performance, though causality remains debated.
🔧 Three reclaim moves:
1) physical exercise to boost mood and cognition.
2) deep reading to strengthen imagination and sustained attention.
3) phone‑free meals to rebuild conversation, ritual, and social cognition.
🤖 AI and agency: celebrate real benefits in health and science while setting human‑first “red lines” (trust, deepfakes, purpose), using tech to serve fulfillment—not to be in service of the machine.
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